./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-mutex_fs-binfmt_misc.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-mutex_fs-binfmt_misc.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 2c6afaf5bedcc2af934f5b2a4cc6fb91099717aaf97d30d9787d5c01855a1a43 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 10:45:34,400 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 10:45:34,401 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 10:45:34,446 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 10:45:34,446 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 10:45:34,449 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 10:45:34,450 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 10:45:34,454 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 10:45:34,456 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 10:45:34,459 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 10:45:34,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 10:45:34,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 10:45:34,461 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 10:45:34,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 10:45:34,464 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 10:45:34,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 10:45:34,466 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 10:45:34,466 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 10:45:34,470 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 10:45:34,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 10:45:34,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 10:45:34,475 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 10:45:34,476 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 10:45:34,477 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 10:45:34,481 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 10:45:34,481 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 10:45:34,481 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 10:45:34,482 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 10:45:34,483 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 10:45:34,483 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 10:45:34,484 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 10:45:34,484 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 10:45:34,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 10:45:34,486 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 10:45:34,487 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 10:45:34,487 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 10:45:34,487 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 10:45:34,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 10:45:34,488 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 10:45:34,488 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 10:45:34,489 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 10:45:34,489 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 10:45:34,512 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 10:45:34,512 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 10:45:34,513 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 10:45:34,513 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 10:45:34,514 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 10:45:34,514 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 10:45:34,514 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 10:45:34,514 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 10:45:34,514 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 10:45:34,515 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 10:45:34,515 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 10:45:34,515 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 10:45:34,516 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 10:45:34,516 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 10:45:34,516 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 10:45:34,516 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 10:45:34,516 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 10:45:34,516 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 10:45:34,517 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 10:45:34,517 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 10:45:34,517 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 10:45:34,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 10:45:34,517 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 10:45:34,517 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 10:45:34,517 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 10:45:34,518 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 10:45:34,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 10:45:34,518 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 10:45:34,518 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 10:45:34,518 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 10:45:34,518 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 10:45:34,518 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c6afaf5bedcc2af934f5b2a4cc6fb91099717aaf97d30d9787d5c01855a1a43 [2021-12-18 10:45:34,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 10:45:34,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 10:45:34,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 10:45:34,725 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 10:45:34,725 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 10:45:34,733 INFO L432 ainManager$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-mutex_fs-binfmt_misc.cil.i [2021-12-18 10:45:34,801 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d82757703/3d6230b5839b4601ae14e4de92225656/FLAG1279134c2 [2021-12-18 10:45:35,349 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 10:45:35,350 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-binfmt_misc.cil.i [2021-12-18 10:45:35,372 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d82757703/3d6230b5839b4601ae14e4de92225656/FLAG1279134c2 [2021-12-18 10:45:35,821 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d82757703/3d6230b5839b4601ae14e4de92225656 [2021-12-18 10:45:35,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 10:45:35,824 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 10:45:35,836 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 10:45:35,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 10:45:35,838 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 10:45:35,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 10:45:35" (1/1) ... [2021-12-18 10:45:35,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b2f1ff5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:45:35, skipping insertion in model container [2021-12-18 10:45:35,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 10:45:35" (1/1) ... [2021-12-18 10:45:35,844 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 10:45:35,951 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 10:45:36,919 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-binfmt_misc.cil.i[193323,193336] [2021-12-18 10:45:36,921 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-mutex_fs-binfmt_misc.cil.i[193489,193502] [2021-12-18 10:45:36,922 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-mutex_fs-binfmt_misc.cil.i[193653,193666] [2021-12-18 10:45:36,922 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-mutex_fs-binfmt_misc.cil.i[193818,193831] [2021-12-18 10:45:36,932 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 10:45:36,956 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 10:45:37,118 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-mutex_fs-binfmt_misc.cil.i[193323,193336] [2021-12-18 10:45:37,119 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-mutex_fs-binfmt_misc.cil.i[193489,193502] [2021-12-18 10:45:37,119 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-mutex_fs-binfmt_misc.cil.i[193653,193666] [2021-12-18 10:45:37,119 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-mutex_fs-binfmt_misc.cil.i[193818,193831] [2021-12-18 10:45:37,127 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 10:45:37,174 INFO L208 MainTranslator]: Completed translation [2021-12-18 10:45:37,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:45:37 WrapperNode [2021-12-18 10:45:37,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 10:45:37,175 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 10:45:37,175 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 10:45:37,175 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 10:45:37,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:45:37" (1/1) ... [2021-12-18 10:45:37,231 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:45:37" (1/1) ... [2021-12-18 10:45:37,286 INFO L137 Inliner]: procedures = 238, calls = 999, calls flagged for inlining = 130, calls inlined = 118, statements flattened = 3013 [2021-12-18 10:45:37,287 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 10:45:37,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 10:45:37,288 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 10:45:37,288 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 10:45:37,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:45:37" (1/1) ... [2021-12-18 10:45:37,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:45:37" (1/1) ... [2021-12-18 10:45:37,308 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:45:37" (1/1) ... [2021-12-18 10:45:37,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:45:37" (1/1) ... [2021-12-18 10:45:37,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:45:37" (1/1) ... [2021-12-18 10:45:37,417 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:45:37" (1/1) ... [2021-12-18 10:45:37,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:45:37" (1/1) ... [2021-12-18 10:45:37,450 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 10:45:37,451 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 10:45:37,451 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 10:45:37,452 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 10:45:37,453 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:45:37" (1/1) ... [2021-12-18 10:45:37,459 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 10:45:37,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 10:45:37,474 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 10:45:37,520 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 10:45:37,534 INFO L130 BoogieDeclarations]: Found specification of procedure dput [2021-12-18 10:45:37,534 INFO L138 BoogieDeclarations]: Found implementation of procedure dput [2021-12-18 10:45:37,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 10:45:37,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 10:45:37,534 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2021-12-18 10:45:37,535 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2021-12-18 10:45:37,535 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2021-12-18 10:45:37,535 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2021-12-18 10:45:37,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 10:45:37,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 10:45:37,535 INFO L130 BoogieDeclarations]: Found specification of procedure dget [2021-12-18 10:45:37,535 INFO L138 BoogieDeclarations]: Found implementation of procedure dget [2021-12-18 10:45:37,535 INFO L130 BoogieDeclarations]: Found specification of procedure copy_strings_kernel [2021-12-18 10:45:37,535 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_strings_kernel [2021-12-18 10:45:37,536 INFO L130 BoogieDeclarations]: Found specification of procedure simple_statfs [2021-12-18 10:45:37,536 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_statfs [2021-12-18 10:45:37,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 10:45:37,536 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 10:45:37,536 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-18 10:45:37,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-18 10:45:37,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 10:45:37,536 INFO L130 BoogieDeclarations]: Found specification of procedure kill_node [2021-12-18 10:45:37,536 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_node [2021-12-18 10:45:37,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2021-12-18 10:45:37,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2021-12-18 10:45:37,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 10:45:37,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 10:45:37,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-18 10:45:37,537 INFO L130 BoogieDeclarations]: Found specification of procedure allow_write_access [2021-12-18 10:45:37,537 INFO L138 BoogieDeclarations]: Found implementation of procedure allow_write_access [2021-12-18 10:45:37,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 10:45:37,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 10:45:37,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-12-18 10:45:37,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-12-18 10:45:37,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_exit_misc_binfmt_7_2 [2021-12-18 10:45:37,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_exit_misc_binfmt_7_2 [2021-12-18 10:45:37,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 10:45:37,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 10:45:37,539 INFO L130 BoogieDeclarations]: Found specification of procedure bm_evict_inode [2021-12-18 10:45:37,539 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_evict_inode [2021-12-18 10:45:37,539 INFO L130 BoogieDeclarations]: Found specification of procedure kill_litter_super [2021-12-18 10:45:37,539 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_litter_super [2021-12-18 10:45:37,539 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2021-12-18 10:45:37,539 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2021-12-18 10:45:37,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-18 10:45:37,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-18 10:45:37,540 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-18 10:45:37,540 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-18 10:45:37,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-18 10:45:37,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-18 10:45:37,541 INFO L130 BoogieDeclarations]: Found specification of procedure parse_command [2021-12-18 10:45:37,541 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_command [2021-12-18 10:45:37,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 10:45:37,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-18 10:45:37,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-18 10:45:37,542 INFO L130 BoogieDeclarations]: Found specification of procedure bm_register_write [2021-12-18 10:45:37,542 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_register_write [2021-12-18 10:45:37,542 INFO L130 BoogieDeclarations]: Found specification of procedure bm_entry_read [2021-12-18 10:45:37,543 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_entry_read [2021-12-18 10:45:37,543 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-18 10:45:37,543 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-18 10:45:37,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-18 10:45:37,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-18 10:45:37,543 INFO L130 BoogieDeclarations]: Found specification of procedure bm_status_write [2021-12-18 10:45:37,543 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_status_write [2021-12-18 10:45:37,543 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 10:45:37,544 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 10:45:37,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-18 10:45:37,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-18 10:45:37,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 10:45:37,544 INFO L130 BoogieDeclarations]: Found specification of procedure scanarg [2021-12-18 10:45:37,544 INFO L138 BoogieDeclarations]: Found implementation of procedure scanarg [2021-12-18 10:45:37,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 10:45:37,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 10:45:37,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 10:45:37,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-18 10:45:37,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-18 10:45:37,545 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2021-12-18 10:45:37,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-18 10:45:37,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-18 10:45:37,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-18 10:45:37,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-18 10:45:37,546 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2021-12-18 10:45:37,546 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2021-12-18 10:45:37,546 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-18 10:45:37,546 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-18 10:45:37,547 INFO L130 BoogieDeclarations]: Found specification of procedure bm_entry_write [2021-12-18 10:45:37,547 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_entry_write [2021-12-18 10:45:37,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 10:45:37,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 10:45:37,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 10:45:37,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 10:45:37,548 INFO L130 BoogieDeclarations]: Found specification of procedure string_unescape_inplace [2021-12-18 10:45:37,548 INFO L138 BoogieDeclarations]: Found implementation of procedure string_unescape_inplace [2021-12-18 10:45:37,548 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2021-12-18 10:45:37,548 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2021-12-18 10:45:37,548 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-18 10:45:37,548 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-18 10:45:37,548 INFO L130 BoogieDeclarations]: Found specification of procedure bm_status_read [2021-12-18 10:45:37,549 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_status_read [2021-12-18 10:45:37,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 10:45:37,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 10:45:37,549 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-18 10:45:37,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-18 10:45:37,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 10:45:37,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-18 10:45:37,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-18 10:45:37,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 10:45:37,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 10:45:37,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2021-12-18 10:45:37,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2021-12-18 10:45:37,550 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-18 10:45:37,551 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-18 10:45:38,011 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 10:45:38,013 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 10:45:38,158 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 10:45:39,233 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-18 10:45:39,258 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 10:45:39,269 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 10:45:39,269 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-18 10:45:39,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 10:45:39 BoogieIcfgContainer [2021-12-18 10:45:39,271 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 10:45:39,272 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 10:45:39,273 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 10:45:39,275 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 10:45:39,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 10:45:35" (1/3) ... [2021-12-18 10:45:39,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43227a6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 10:45:39, skipping insertion in model container [2021-12-18 10:45:39,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:45:37" (2/3) ... [2021-12-18 10:45:39,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43227a6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 10:45:39, skipping insertion in model container [2021-12-18 10:45:39,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 10:45:39" (3/3) ... [2021-12-18 10:45:39,278 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-binfmt_misc.cil.i [2021-12-18 10:45:39,282 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 10:45:39,282 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-18 10:45:39,314 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 10:45:39,318 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 10:45:39,319 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-18 10:45:39,341 INFO L276 IsEmpty]: Start isEmpty. Operand has 1002 states, 712 states have (on average 1.3075842696629214) internal successors, (931), 719 states have internal predecessors, (931), 238 states have call successors, (238), 50 states have call predecessors, (238), 49 states have return successors, (231), 231 states have call predecessors, (231), 231 states have call successors, (231) [2021-12-18 10:45:39,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2021-12-18 10:45:39,359 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 10:45:39,360 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:45:39,360 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 10:45:39,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 10:45:39,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1262322770, now seen corresponding path program 1 times [2021-12-18 10:45:39,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 10:45:39,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737870651] [2021-12-18 10:45:39,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 10:45:39,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 10:45:39,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:39,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 10:45:39,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:39,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:39,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:39,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 10:45:39,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:39,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:39,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:39,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 10:45:39,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:39,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:39,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:39,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 10:45:39,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:39,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:39,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:39,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 10:45:39,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:39,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:39,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:39,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 10:45:39,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:39,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:39,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:39,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 10:45:39,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:39,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:39,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:39,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 10:45:39,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:39,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:39,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:39,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 10:45:39,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:39,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:39,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:39,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 10:45:39,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:39,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:39,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:39,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 10:45:39,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:39,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:39,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:39,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 10:45:39,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:39,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:39,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:39,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 10:45:39,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:39,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:39,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:39,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 10:45:39,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:39,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:39,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:39,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 10:45:39,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:39,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:39,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:39,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 10:45:39,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:39,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:39,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:39,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 10:45:40,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:40,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:40,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:40,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 10:45:40,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:40,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:40,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:40,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 10:45:40,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:40,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:40,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:40,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 10:45:40,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:40,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:40,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:40,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 10:45:40,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:40,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:40,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:40,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 10:45:40,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:40,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:40,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:40,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 10:45:40,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:40,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:40,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:40,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 10:45:40,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:40,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:40,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:40,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-18 10:45:40,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:40,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 10:45:40,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:40,142 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2556 trivial. 0 not checked. [2021-12-18 10:45:40,143 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 10:45:40,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737870651] [2021-12-18 10:45:40,148 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737870651] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 10:45:40,148 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 10:45:40,148 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 10:45:40,149 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159492265] [2021-12-18 10:45:40,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 10:45:40,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 10:45:40,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 10:45:40,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 10:45:40,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 10:45:40,177 INFO L87 Difference]: Start difference. First operand has 1002 states, 712 states have (on average 1.3075842696629214) internal successors, (931), 719 states have internal predecessors, (931), 238 states have call successors, (238), 50 states have call predecessors, (238), 49 states have return successors, (231), 231 states have call predecessors, (231), 231 states have call successors, (231) Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-18 10:45:41,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 10:45:41,436 INFO L93 Difference]: Finished difference Result 2799 states and 3984 transitions. [2021-12-18 10:45:41,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 10:45:41,439 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 294 [2021-12-18 10:45:41,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 10:45:41,455 INFO L225 Difference]: With dead ends: 2799 [2021-12-18 10:45:41,455 INFO L226 Difference]: Without dead ends: 1839 [2021-12-18 10:45:41,460 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 102 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 10:45:41,462 INFO L933 BasicCegarLoop]: 1522 mSDtfsCounter, 1490 mSDsluCounter, 1813 mSDsCounter, 0 mSdLazyCounter, 665 mSolverCounterSat, 489 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1630 SdHoareTripleChecker+Valid, 3335 SdHoareTripleChecker+Invalid, 1154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 489 IncrementalHoareTripleChecker+Valid, 665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-18 10:45:41,463 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1630 Valid, 3335 Invalid, 1154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [489 Valid, 665 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-18 10:45:41,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1839 states. [2021-12-18 10:45:41,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1839 to 1831. [2021-12-18 10:45:41,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1831 states, 1321 states have (on average 1.3088569265707797) internal successors, (1729), 1334 states have internal predecessors, (1729), 413 states have call successors, (413), 95 states have call predecessors, (413), 94 states have return successors, (409), 409 states have call predecessors, (409), 409 states have call successors, (409) [2021-12-18 10:45:41,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1831 states to 1831 states and 2551 transitions. [2021-12-18 10:45:41,622 INFO L78 Accepts]: Start accepts. Automaton has 1831 states and 2551 transitions. Word has length 294 [2021-12-18 10:45:41,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 10:45:41,623 INFO L470 AbstractCegarLoop]: Abstraction has 1831 states and 2551 transitions. [2021-12-18 10:45:41,623 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-18 10:45:41,623 INFO L276 IsEmpty]: Start isEmpty. Operand 1831 states and 2551 transitions. [2021-12-18 10:45:41,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2021-12-18 10:45:41,632 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 10:45:41,632 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 24, 24, 24, 24, 24, 24, 4, 4, 4, 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] [2021-12-18 10:45:41,633 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 10:45:41,633 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 10:45:41,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 10:45:41,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1242890109, now seen corresponding path program 1 times [2021-12-18 10:45:41,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 10:45:41,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509129263] [2021-12-18 10:45:41,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 10:45:41,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 10:45:41,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 10:45:41,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:41,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 10:45:41,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:41,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 10:45:41,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:41,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 10:45:41,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 10:45:41,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 10:45:41,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:41,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 10:45:41,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:41,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 10:45:41,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:41,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 10:45:41,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:41,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 10:45:41,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 10:45:41,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:41,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 10:45:41,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:41,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 10:45:41,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:41,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 10:45:41,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:41,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 10:45:41,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:41,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 10:45:41,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:41,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 10:45:41,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:41,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 10:45:41,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:41,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 10:45:41,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:41,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 10:45:41,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:41,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 10:45:41,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:41,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 10:45:41,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:41,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 10:45:41,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:41,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 10:45:41,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:41,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-18 10:45:41,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-18 10:45:41,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:41,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 10:45:41,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 10:45:41,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:41,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-18 10:45:41,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:42,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:42,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:42,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 10:45:42,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:42,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 10:45:42,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:42,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-12-18 10:45:42,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:42,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-18 10:45:42,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:42,019 INFO L134 CoverageAnalysis]: Checked inductivity of 2591 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2591 trivial. 0 not checked. [2021-12-18 10:45:42,019 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 10:45:42,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509129263] [2021-12-18 10:45:42,020 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509129263] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 10:45:42,020 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 10:45:42,020 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 10:45:42,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060879140] [2021-12-18 10:45:42,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 10:45:42,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 10:45:42,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 10:45:42,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 10:45:42,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 10:45:42,022 INFO L87 Difference]: Start difference. First operand 1831 states and 2551 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-18 10:45:43,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 10:45:43,102 INFO L93 Difference]: Finished difference Result 4097 states and 5670 transitions. [2021-12-18 10:45:43,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 10:45:43,103 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 360 [2021-12-18 10:45:43,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 10:45:43,114 INFO L225 Difference]: With dead ends: 4097 [2021-12-18 10:45:43,115 INFO L226 Difference]: Without dead ends: 2319 [2021-12-18 10:45:43,121 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 120 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 10:45:43,124 INFO L933 BasicCegarLoop]: 1459 mSDtfsCounter, 1201 mSDsluCounter, 1794 mSDsCounter, 0 mSdLazyCounter, 652 mSolverCounterSat, 451 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1310 SdHoareTripleChecker+Valid, 3253 SdHoareTripleChecker+Invalid, 1103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 451 IncrementalHoareTripleChecker+Valid, 652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-18 10:45:43,124 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1310 Valid, 3253 Invalid, 1103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [451 Valid, 652 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-18 10:45:43,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2319 states. [2021-12-18 10:45:43,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2319 to 2293. [2021-12-18 10:45:43,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2293 states, 1661 states have (on average 1.287778446718844) internal successors, (2139), 1681 states have internal predecessors, (2139), 493 states have call successors, (493), 137 states have call predecessors, (493), 136 states have return successors, (489), 484 states have call predecessors, (489), 489 states have call successors, (489) [2021-12-18 10:45:43,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2293 states to 2293 states and 3121 transitions. [2021-12-18 10:45:43,187 INFO L78 Accepts]: Start accepts. Automaton has 2293 states and 3121 transitions. Word has length 360 [2021-12-18 10:45:43,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 10:45:43,188 INFO L470 AbstractCegarLoop]: Abstraction has 2293 states and 3121 transitions. [2021-12-18 10:45:43,188 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-18 10:45:43,188 INFO L276 IsEmpty]: Start isEmpty. Operand 2293 states and 3121 transitions. [2021-12-18 10:45:43,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2021-12-18 10:45:43,192 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 10:45:43,193 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 24, 24, 24, 24, 24, 24, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 10:45:43,193 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 10:45:43,193 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 10:45:43,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 10:45:43,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1601292210, now seen corresponding path program 1 times [2021-12-18 10:45:43,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 10:45:43,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739260832] [2021-12-18 10:45:43,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 10:45:43,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 10:45:43,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 10:45:43,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:43,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 10:45:43,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:43,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 10:45:43,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:43,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 10:45:43,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:43,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 10:45:43,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:43,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 10:45:43,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:43,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 10:45:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:43,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 10:45:43,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:43,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 10:45:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:43,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 10:45:43,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:43,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 10:45:43,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:43,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 10:45:43,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:43,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 10:45:43,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:43,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 10:45:43,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:43,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 10:45:43,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:43,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 10:45:43,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:43,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 10:45:43,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:43,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 10:45:43,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:43,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 10:45:43,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:43,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 10:45:43,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:43,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 10:45:43,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:43,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 10:45:43,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 10:45:43,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 10:45:43,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:43,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-18 10:45:43,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-18 10:45:43,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:43,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 10:45:43,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 10:45:43,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 10:45:43,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:43,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 10:45:43,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 10:45:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2021-12-18 10:45:43,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-12-18 10:45:43,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-18 10:45:43,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:43,600 INFO L134 CoverageAnalysis]: Checked inductivity of 2607 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2607 trivial. 0 not checked. [2021-12-18 10:45:43,600 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 10:45:43,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739260832] [2021-12-18 10:45:43,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739260832] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 10:45:43,601 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 10:45:43,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 10:45:43,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974082819] [2021-12-18 10:45:43,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 10:45:43,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 10:45:43,601 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 10:45:43,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 10:45:43,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 10:45:43,602 INFO L87 Difference]: Start difference. First operand 2293 states and 3121 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-12-18 10:45:44,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 10:45:44,733 INFO L93 Difference]: Finished difference Result 5908 states and 8040 transitions. [2021-12-18 10:45:44,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 10:45:44,734 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 363 [2021-12-18 10:45:44,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 10:45:44,748 INFO L225 Difference]: With dead ends: 5908 [2021-12-18 10:45:44,748 INFO L226 Difference]: Without dead ends: 3668 [2021-12-18 10:45:44,753 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 122 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 10:45:44,754 INFO L933 BasicCegarLoop]: 1549 mSDtfsCounter, 1432 mSDsluCounter, 1837 mSDsCounter, 0 mSdLazyCounter, 678 mSolverCounterSat, 469 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1567 SdHoareTripleChecker+Valid, 3386 SdHoareTripleChecker+Invalid, 1147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 469 IncrementalHoareTripleChecker+Valid, 678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-18 10:45:44,754 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1567 Valid, 3386 Invalid, 1147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [469 Valid, 678 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-18 10:45:44,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3668 states. [2021-12-18 10:45:44,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3668 to 3636. [2021-12-18 10:45:44,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3636 states, 2667 states have (on average 1.285339332583427) internal successors, (3428), 2700 states have internal predecessors, (3428), 738 states have call successors, (738), 229 states have call predecessors, (738), 228 states have return successors, (734), 719 states have call predecessors, (734), 734 states have call successors, (734) [2021-12-18 10:45:44,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3636 states to 3636 states and 4900 transitions. [2021-12-18 10:45:44,893 INFO L78 Accepts]: Start accepts. Automaton has 3636 states and 4900 transitions. Word has length 363 [2021-12-18 10:45:44,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 10:45:44,894 INFO L470 AbstractCegarLoop]: Abstraction has 3636 states and 4900 transitions. [2021-12-18 10:45:44,894 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-12-18 10:45:44,894 INFO L276 IsEmpty]: Start isEmpty. Operand 3636 states and 4900 transitions. [2021-12-18 10:45:44,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2021-12-18 10:45:44,898 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 10:45:44,898 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 4, 4, 4, 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 10:45:44,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 10:45:44,899 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 10:45:44,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 10:45:44,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1615045178, now seen corresponding path program 1 times [2021-12-18 10:45:44,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 10:45:44,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967253168] [2021-12-18 10:45:44,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 10:45:44,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 10:45:44,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 10:45:45,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:45,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 10:45:45,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:45,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 10:45:45,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 10:45:45,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:45,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 10:45:45,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:45,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 10:45:45,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:45,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 10:45:45,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:45,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 10:45:45,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:45,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 10:45:45,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:45,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 10:45:45,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:45,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 10:45:45,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:45,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 10:45:45,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:45,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 10:45:45,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:45,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 10:45:45,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:45,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 10:45:45,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:45,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 10:45:45,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:45,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 10:45:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:45,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 10:45:45,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:45,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 10:45:45,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:45,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 10:45:45,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:45,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 10:45:45,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:45,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 10:45:45,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:45,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 10:45:45,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:45,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 10:45:45,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:45,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-18 10:45:45,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-18 10:45:45,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 10:45:45,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 10:45:45,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-18 10:45:45,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:45,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 10:45:45,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 10:45:45,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 10:45:45,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:45,250 INFO L134 CoverageAnalysis]: Checked inductivity of 2826 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2826 trivial. 0 not checked. [2021-12-18 10:45:45,250 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 10:45:45,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967253168] [2021-12-18 10:45:45,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967253168] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 10:45:45,250 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 10:45:45,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 10:45:45,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650725991] [2021-12-18 10:45:45,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 10:45:45,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 10:45:45,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 10:45:45,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 10:45:45,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 10:45:45,252 INFO L87 Difference]: Start difference. First operand 3636 states and 4900 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2021-12-18 10:45:46,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 10:45:46,179 INFO L93 Difference]: Finished difference Result 3759 states and 5054 transitions. [2021-12-18 10:45:46,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 10:45:46,179 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 354 [2021-12-18 10:45:46,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 10:45:46,192 INFO L225 Difference]: With dead ends: 3759 [2021-12-18 10:45:46,192 INFO L226 Difference]: Without dead ends: 3757 [2021-12-18 10:45:46,194 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 116 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 10:45:46,194 INFO L933 BasicCegarLoop]: 1342 mSDtfsCounter, 1286 mSDsluCounter, 3038 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 300 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1393 SdHoareTripleChecker+Valid, 4380 SdHoareTripleChecker+Invalid, 1106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 300 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-18 10:45:46,195 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1393 Valid, 4380 Invalid, 1106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [300 Valid, 806 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-18 10:45:46,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3757 states. [2021-12-18 10:45:46,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3757 to 3743. [2021-12-18 10:45:46,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3743 states, 2736 states have (on average 1.2796052631578947) internal successors, (3501), 2769 states have internal predecessors, (3501), 754 states have call successors, (754), 251 states have call predecessors, (754), 250 states have return successors, (750), 735 states have call predecessors, (750), 750 states have call successors, (750) [2021-12-18 10:45:46,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3743 states to 3743 states and 5005 transitions. [2021-12-18 10:45:46,303 INFO L78 Accepts]: Start accepts. Automaton has 3743 states and 5005 transitions. Word has length 354 [2021-12-18 10:45:46,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 10:45:46,304 INFO L470 AbstractCegarLoop]: Abstraction has 3743 states and 5005 transitions. [2021-12-18 10:45:46,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2021-12-18 10:45:46,304 INFO L276 IsEmpty]: Start isEmpty. Operand 3743 states and 5005 transitions. [2021-12-18 10:45:46,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2021-12-18 10:45:46,309 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 10:45:46,309 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 24, 24, 24, 24, 24, 24, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 10:45:46,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 10:45:46,309 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 10:45:46,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 10:45:46,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1102576270, now seen corresponding path program 1 times [2021-12-18 10:45:46,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 10:45:46,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421899891] [2021-12-18 10:45:46,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 10:45:46,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 10:45:46,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 10:45:46,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:46,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 10:45:46,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:46,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 10:45:46,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:46,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 10:45:46,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:46,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 10:45:46,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:46,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 10:45:46,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 10:45:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 10:45:46,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 10:45:46,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:46,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 10:45:46,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:46,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 10:45:46,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:46,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 10:45:46,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:46,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 10:45:46,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:46,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 10:45:46,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:46,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 10:45:46,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:46,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 10:45:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:46,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 10:45:46,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:46,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 10:45:46,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:46,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 10:45:46,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:46,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 10:45:46,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:46,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 10:45:46,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:46,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 10:45:46,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:46,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 10:45:46,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 10:45:46,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:46,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-18 10:45:46,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-18 10:45:46,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:46,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 10:45:46,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 10:45:46,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-12-18 10:45:46,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:46,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 10:45:46,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 10:45:46,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-12-18 10:45:46,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-18 10:45:46,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-18 10:45:46,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-12-18 10:45:46,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:46,596 INFO L134 CoverageAnalysis]: Checked inductivity of 2607 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2607 trivial. 0 not checked. [2021-12-18 10:45:46,596 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 10:45:46,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421899891] [2021-12-18 10:45:46,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421899891] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 10:45:46,596 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 10:45:46,596 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 10:45:46,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329727580] [2021-12-18 10:45:46,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 10:45:46,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 10:45:46,597 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 10:45:46,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 10:45:46,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 10:45:46,598 INFO L87 Difference]: Start difference. First operand 3743 states and 5005 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 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 10:45:47,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 10:45:47,737 INFO L93 Difference]: Finished difference Result 9876 states and 13230 transitions. [2021-12-18 10:45:47,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 10:45:47,738 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 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 366 [2021-12-18 10:45:47,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 10:45:47,761 INFO L225 Difference]: With dead ends: 9876 [2021-12-18 10:45:47,761 INFO L226 Difference]: Without dead ends: 6186 [2021-12-18 10:45:47,770 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 10:45:47,770 INFO L933 BasicCegarLoop]: 1621 mSDtfsCounter, 1417 mSDsluCounter, 1870 mSDsCounter, 0 mSdLazyCounter, 678 mSolverCounterSat, 447 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1552 SdHoareTripleChecker+Valid, 3491 SdHoareTripleChecker+Invalid, 1125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 447 IncrementalHoareTripleChecker+Valid, 678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-18 10:45:47,771 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1552 Valid, 3491 Invalid, 1125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [447 Valid, 678 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-18 10:45:47,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6186 states. [2021-12-18 10:45:47,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6186 to 6138. [2021-12-18 10:45:47,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6138 states, 4528 states have (on average 1.2771643109540636) internal successors, (5783), 4590 states have internal predecessors, (5783), 1193 states have call successors, (1193), 415 states have call predecessors, (1193), 414 states have return successors, (1189), 1154 states have call predecessors, (1189), 1189 states have call successors, (1189) [2021-12-18 10:45:47,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6138 states to 6138 states and 8165 transitions. [2021-12-18 10:45:47,914 INFO L78 Accepts]: Start accepts. Automaton has 6138 states and 8165 transitions. Word has length 366 [2021-12-18 10:45:47,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 10:45:47,915 INFO L470 AbstractCegarLoop]: Abstraction has 6138 states and 8165 transitions. [2021-12-18 10:45:47,915 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 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 10:45:47,915 INFO L276 IsEmpty]: Start isEmpty. Operand 6138 states and 8165 transitions. [2021-12-18 10:45:47,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2021-12-18 10:45:47,919 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 10:45:47,919 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 4, 4, 4, 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 10:45:47,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 10:45:47,919 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 10:45:47,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 10:45:47,920 INFO L85 PathProgramCache]: Analyzing trace with hash -2121529752, now seen corresponding path program 1 times [2021-12-18 10:45:47,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 10:45:47,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021761174] [2021-12-18 10:45:47,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 10:45:47,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 10:45:47,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 10:45:48,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:48,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 10:45:48,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:48,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 10:45:48,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:48,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 10:45:48,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:48,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 10:45:48,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:48,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 10:45:48,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:48,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 10:45:48,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:48,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 10:45:48,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:48,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 10:45:48,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 10:45:48,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:48,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 10:45:48,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:48,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 10:45:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 10:45:48,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:48,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 10:45:48,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 10:45:48,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:48,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 10:45:48,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:48,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 10:45:48,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:48,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 10:45:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 10:45:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:48,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 10:45:48,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:48,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 10:45:48,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:48,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 10:45:48,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 10:45:48,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:48,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 10:45:48,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:48,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-18 10:45:48,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-18 10:45:48,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 10:45:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 10:45:48,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-18 10:45:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:48,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 10:45:48,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 10:45:48,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 10:45:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-18 10:45:48,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:48,231 INFO L134 CoverageAnalysis]: Checked inductivity of 2828 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2826 trivial. 0 not checked. [2021-12-18 10:45:48,231 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 10:45:48,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021761174] [2021-12-18 10:45:48,231 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021761174] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 10:45:48,231 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 10:45:48,231 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 10:45:48,231 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090257647] [2021-12-18 10:45:48,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 10:45:48,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 10:45:48,232 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 10:45:48,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 10:45:48,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 10:45:48,233 INFO L87 Difference]: Start difference. First operand 6138 states and 8165 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 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 10:45:49,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 10:45:49,064 INFO L93 Difference]: Finished difference Result 6170 states and 8237 transitions. [2021-12-18 10:45:49,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 10:45:49,065 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 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 359 [2021-12-18 10:45:49,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 10:45:49,086 INFO L225 Difference]: With dead ends: 6170 [2021-12-18 10:45:49,086 INFO L226 Difference]: Without dead ends: 6166 [2021-12-18 10:45:49,088 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 118 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 10:45:49,089 INFO L933 BasicCegarLoop]: 1337 mSDtfsCounter, 1338 mSDsluCounter, 2932 mSDsCounter, 0 mSdLazyCounter, 735 mSolverCounterSat, 299 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1455 SdHoareTripleChecker+Valid, 4269 SdHoareTripleChecker+Invalid, 1034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 299 IncrementalHoareTripleChecker+Valid, 735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-18 10:45:49,089 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1455 Valid, 4269 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [299 Valid, 735 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-18 10:45:49,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6166 states. [2021-12-18 10:45:49,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6166 to 6140. [2021-12-18 10:45:49,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6140 states, 4530 states have (on average 1.2768211920529802) internal successors, (5784), 4591 states have internal predecessors, (5784), 1193 states have call successors, (1193), 416 states have call predecessors, (1193), 414 states have return successors, (1189), 1154 states have call predecessors, (1189), 1189 states have call successors, (1189) [2021-12-18 10:45:49,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6140 states to 6140 states and 8166 transitions. [2021-12-18 10:45:49,280 INFO L78 Accepts]: Start accepts. Automaton has 6140 states and 8166 transitions. Word has length 359 [2021-12-18 10:45:49,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 10:45:49,281 INFO L470 AbstractCegarLoop]: Abstraction has 6140 states and 8166 transitions. [2021-12-18 10:45:49,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 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 10:45:49,281 INFO L276 IsEmpty]: Start isEmpty. Operand 6140 states and 8166 transitions. [2021-12-18 10:45:49,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2021-12-18 10:45:49,285 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 10:45:49,285 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 4, 4, 4, 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 10:45:49,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 10:45:49,285 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 10:45:49,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 10:45:49,285 INFO L85 PathProgramCache]: Analyzing trace with hash -528603462, now seen corresponding path program 1 times [2021-12-18 10:45:49,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 10:45:49,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765199693] [2021-12-18 10:45:49,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 10:45:49,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 10:45:49,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 10:45:49,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:49,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 10:45:49,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:49,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 10:45:49,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:49,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 10:45:49,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:49,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 10:45:49,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:49,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 10:45:49,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:49,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 10:45:49,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:49,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 10:45:49,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:49,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 10:45:49,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:49,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 10:45:49,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:49,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 10:45:49,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:49,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 10:45:49,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:49,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 10:45:49,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:49,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 10:45:49,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:49,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 10:45:49,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:49,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 10:45:49,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:49,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 10:45:49,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:49,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 10:45:49,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:49,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 10:45:49,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:49,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 10:45:49,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:49,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 10:45:49,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 10:45:49,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:49,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 10:45:49,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:49,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 10:45:49,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-18 10:45:49,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-18 10:45:49,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 10:45:49,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 10:45:49,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-18 10:45:49,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:49,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 10:45:49,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 10:45:49,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 10:45:49,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-18 10:45:49,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 10:45:49,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:49,618 INFO L134 CoverageAnalysis]: Checked inductivity of 2834 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2830 trivial. 0 not checked. [2021-12-18 10:45:49,618 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 10:45:49,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765199693] [2021-12-18 10:45:49,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765199693] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 10:45:49,618 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 10:45:49,618 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 10:45:49,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088812945] [2021-12-18 10:45:49,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 10:45:49,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 10:45:49,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 10:45:49,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 10:45:49,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 10:45:49,620 INFO L87 Difference]: Start difference. First operand 6140 states and 8166 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 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 10:45:50,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 10:45:50,583 INFO L93 Difference]: Finished difference Result 6166 states and 8233 transitions. [2021-12-18 10:45:50,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 10:45:50,584 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 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 364 [2021-12-18 10:45:50,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 10:45:50,610 INFO L225 Difference]: With dead ends: 6166 [2021-12-18 10:45:50,611 INFO L226 Difference]: Without dead ends: 6012 [2021-12-18 10:45:50,616 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 120 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 10:45:50,617 INFO L933 BasicCegarLoop]: 1334 mSDtfsCounter, 1332 mSDsluCounter, 2932 mSDsCounter, 0 mSdLazyCounter, 730 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1449 SdHoareTripleChecker+Valid, 4266 SdHoareTripleChecker+Invalid, 1028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 730 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-18 10:45:50,617 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1449 Valid, 4266 Invalid, 1028 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 730 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-18 10:45:50,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6012 states. [2021-12-18 10:45:50,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6012 to 5986. [2021-12-18 10:45:50,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5986 states, 4441 states have (on average 1.2769646476018914) internal successors, (5671), 4478 states have internal predecessors, (5671), 1139 states have call successors, (1139), 404 states have call predecessors, (1139), 404 states have return successors, (1139), 1125 states have call predecessors, (1139), 1139 states have call successors, (1139) [2021-12-18 10:45:50,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5986 states to 5986 states and 7949 transitions. [2021-12-18 10:45:50,976 INFO L78 Accepts]: Start accepts. Automaton has 5986 states and 7949 transitions. Word has length 364 [2021-12-18 10:45:50,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 10:45:50,977 INFO L470 AbstractCegarLoop]: Abstraction has 5986 states and 7949 transitions. [2021-12-18 10:45:50,977 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 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 10:45:50,978 INFO L276 IsEmpty]: Start isEmpty. Operand 5986 states and 7949 transitions. [2021-12-18 10:45:50,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2021-12-18 10:45:50,990 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 10:45:50,990 INFO L514 BasicCegarLoop]: trace histogram [29, 29, 24, 24, 24, 24, 24, 24, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:45:50,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 10:45:50,991 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 10:45:50,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 10:45:50,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1514752963, now seen corresponding path program 1 times [2021-12-18 10:45:50,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 10:45:50,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626500768] [2021-12-18 10:45:50,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 10:45:50,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 10:45:51,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 10:45:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:51,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 10:45:51,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:51,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 10:45:51,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 10:45:51,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:51,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 10:45:51,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:51,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 10:45:51,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:51,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 10:45:51,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:51,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 10:45:51,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:51,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 10:45:51,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:51,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 10:45:51,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:51,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 10:45:51,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:51,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 10:45:51,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:51,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 10:45:51,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:51,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 10:45:51,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 10:45:51,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:51,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 10:45:51,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:51,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 10:45:51,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:51,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 10:45:51,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:51,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 10:45:51,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:51,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 10:45:51,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 10:45:51,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:51,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 10:45:51,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:51,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 10:45:51,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:51,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 10:45:51,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:51,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-18 10:45:51,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-18 10:45:51,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 10:45:51,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 10:45:51,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-18 10:45:51,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:51,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 10:45:51,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 10:45:51,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-12-18 10:45:51,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-12-18 10:45:51,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2021-12-18 10:45:51,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:51,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 10:45:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 10:45:51,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-12-18 10:45:51,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:51,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 10:45:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 10:45:51,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-18 10:45:51,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-12-18 10:45:51,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:51,625 INFO L134 CoverageAnalysis]: Checked inductivity of 3014 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2997 trivial. 0 not checked. [2021-12-18 10:45:51,625 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 10:45:51,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626500768] [2021-12-18 10:45:51,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626500768] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 10:45:51,625 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 10:45:51,626 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 10:45:51,626 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511613780] [2021-12-18 10:45:51,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 10:45:51,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 10:45:51,627 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 10:45:51,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 10:45:51,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 10:45:51,628 INFO L87 Difference]: Start difference. First operand 5986 states and 7949 transitions. Second operand has 4 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2021-12-18 10:45:52,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 10:45:52,781 INFO L93 Difference]: Finished difference Result 16920 states and 22554 transitions. [2021-12-18 10:45:52,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 10:45:52,782 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 444 [2021-12-18 10:45:52,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 10:45:52,846 INFO L225 Difference]: With dead ends: 16920 [2021-12-18 10:45:52,846 INFO L226 Difference]: Without dead ends: 10906 [2021-12-18 10:45:52,876 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 138 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 10:45:52,876 INFO L933 BasicCegarLoop]: 2443 mSDtfsCounter, 1226 mSDsluCounter, 2387 mSDsCounter, 0 mSdLazyCounter, 658 mSolverCounterSat, 281 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1355 SdHoareTripleChecker+Valid, 4830 SdHoareTripleChecker+Invalid, 939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 281 IncrementalHoareTripleChecker+Valid, 658 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-18 10:45:52,877 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1355 Valid, 4830 Invalid, 939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [281 Valid, 658 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-18 10:45:52,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10906 states. [2021-12-18 10:45:53,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10906 to 10854. [2021-12-18 10:45:53,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10854 states, 8034 states have (on average 1.2815533980582525) internal successors, (10296), 8093 states have internal predecessors, (10296), 2070 states have call successors, (2070), 748 states have call predecessors, (2070), 748 states have return successors, (2070), 2056 states have call predecessors, (2070), 2070 states have call successors, (2070) [2021-12-18 10:45:53,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10854 states to 10854 states and 14436 transitions. [2021-12-18 10:45:53,212 INFO L78 Accepts]: Start accepts. Automaton has 10854 states and 14436 transitions. Word has length 444 [2021-12-18 10:45:53,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 10:45:53,213 INFO L470 AbstractCegarLoop]: Abstraction has 10854 states and 14436 transitions. [2021-12-18 10:45:53,213 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2021-12-18 10:45:53,213 INFO L276 IsEmpty]: Start isEmpty. Operand 10854 states and 14436 transitions. [2021-12-18 10:45:53,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2021-12-18 10:45:53,234 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 10:45:53,234 INFO L514 BasicCegarLoop]: trace histogram [29, 29, 24, 24, 24, 24, 24, 24, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:45:53,234 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-18 10:45:53,235 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 10:45:53,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 10:45:53,235 INFO L85 PathProgramCache]: Analyzing trace with hash 207249723, now seen corresponding path program 1 times [2021-12-18 10:45:53,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 10:45:53,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429264872] [2021-12-18 10:45:53,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 10:45:53,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 10:45:53,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 10:45:53,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:53,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 10:45:53,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:53,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 10:45:53,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:53,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 10:45:53,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:53,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 10:45:53,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:53,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 10:45:53,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:53,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 10:45:53,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:53,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 10:45:53,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:53,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 10:45:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:53,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 10:45:53,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:53,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 10:45:53,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:53,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 10:45:53,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:53,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 10:45:53,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:53,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 10:45:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:53,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 10:45:53,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:53,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 10:45:53,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:53,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 10:45:53,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:53,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 10:45:53,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:53,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 10:45:53,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:53,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 10:45:53,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:53,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 10:45:53,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:53,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 10:45:53,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 10:45:53,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:53,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 10:45:53,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:53,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-18 10:45:53,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-18 10:45:53,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 10:45:53,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 10:45:53,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-18 10:45:53,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:53,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 10:45:53,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 10:45:53,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-12-18 10:45:53,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-12-18 10:45:53,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2021-12-18 10:45:53,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:53,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 10:45:53,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 10:45:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-12-18 10:45:53,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:53,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 10:45:53,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 10:45:53,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-18 10:45:53,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-12-18 10:45:53,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:53,606 INFO L134 CoverageAnalysis]: Checked inductivity of 3014 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2997 trivial. 0 not checked. [2021-12-18 10:45:53,606 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 10:45:53,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429264872] [2021-12-18 10:45:53,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429264872] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 10:45:53,606 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 10:45:53,607 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 10:45:53,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533932744] [2021-12-18 10:45:53,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 10:45:53,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 10:45:53,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 10:45:53,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 10:45:53,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 10:45:53,609 INFO L87 Difference]: Start difference. First operand 10854 states and 14436 transitions. Second operand has 4 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2021-12-18 10:45:55,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 10:45:55,034 INFO L93 Difference]: Finished difference Result 26670 states and 35557 transitions. [2021-12-18 10:45:55,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 10:45:55,034 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 444 [2021-12-18 10:45:55,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 10:45:55,094 INFO L225 Difference]: With dead ends: 26670 [2021-12-18 10:45:55,095 INFO L226 Difference]: Without dead ends: 16135 [2021-12-18 10:45:55,132 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 138 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 10:45:55,133 INFO L933 BasicCegarLoop]: 2442 mSDtfsCounter, 1229 mSDsluCounter, 2381 mSDsCounter, 0 mSdLazyCounter, 657 mSolverCounterSat, 281 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1360 SdHoareTripleChecker+Valid, 4823 SdHoareTripleChecker+Invalid, 938 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 281 IncrementalHoareTripleChecker+Valid, 657 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-18 10:45:55,133 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1360 Valid, 4823 Invalid, 938 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [281 Valid, 657 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-18 10:45:55,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16135 states. [2021-12-18 10:45:55,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16135 to 16059. [2021-12-18 10:45:55,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16059 states, 11906 states have (on average 1.2822106500923904) internal successors, (15266), 11987 states have internal predecessors, (15266), 3040 states have call successors, (3040), 1111 states have call predecessors, (3040), 1111 states have return successors, (3040), 3026 states have call predecessors, (3040), 3040 states have call successors, (3040) [2021-12-18 10:45:55,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16059 states to 16059 states and 21346 transitions. [2021-12-18 10:45:55,607 INFO L78 Accepts]: Start accepts. Automaton has 16059 states and 21346 transitions. Word has length 444 [2021-12-18 10:45:55,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 10:45:55,608 INFO L470 AbstractCegarLoop]: Abstraction has 16059 states and 21346 transitions. [2021-12-18 10:45:55,608 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2021-12-18 10:45:55,608 INFO L276 IsEmpty]: Start isEmpty. Operand 16059 states and 21346 transitions. [2021-12-18 10:45:55,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2021-12-18 10:45:55,623 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 10:45:55,623 INFO L514 BasicCegarLoop]: trace histogram [31, 31, 24, 24, 24, 24, 24, 24, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:45:55,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-18 10:45:55,624 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 10:45:55,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 10:45:55,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1639829499, now seen corresponding path program 1 times [2021-12-18 10:45:55,625 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 10:45:55,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358165773] [2021-12-18 10:45:55,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 10:45:55,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 10:45:55,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 10:45:55,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:55,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 10:45:55,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:55,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 10:45:55,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 10:45:55,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:55,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 10:45:55,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:55,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 10:45:55,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:55,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 10:45:55,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:55,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 10:45:55,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:55,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 10:45:55,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:55,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 10:45:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:55,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 10:45:55,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:55,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 10:45:55,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:55,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 10:45:55,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:55,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 10:45:55,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 10:45:55,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:55,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 10:45:55,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:55,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 10:45:55,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:55,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 10:45:55,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:55,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 10:45:55,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:55,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 10:45:55,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:55,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 10:45:55,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 10:45:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 10:45:55,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:55,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 10:45:55,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:55,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-18 10:45:55,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-18 10:45:55,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 10:45:55,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 10:45:55,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-18 10:45:55,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:55,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 10:45:55,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 10:45:55,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-18 10:45:55,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 10:45:55,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 10:45:55,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-12-18 10:45:55,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-18 10:45:55,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:55,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-18 10:45:55,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:56,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:56,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:56,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 10:45:56,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:56,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 10:45:56,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:56,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-18 10:45:56,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:56,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:56,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:56,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 10:45:56,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:56,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 10:45:56,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:56,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-12-18 10:45:56,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:56,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-18 10:45:56,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:56,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2021-12-18 10:45:56,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:56,123 INFO L134 CoverageAnalysis]: Checked inductivity of 3285 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 3253 trivial. 0 not checked. [2021-12-18 10:45:56,123 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 10:45:56,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358165773] [2021-12-18 10:45:56,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358165773] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 10:45:56,124 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 10:45:56,124 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 10:45:56,124 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394771134] [2021-12-18 10:45:56,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 10:45:56,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 10:45:56,125 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 10:45:56,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 10:45:56,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 10:45:56,126 INFO L87 Difference]: Start difference. First operand 16059 states and 21346 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2021-12-18 10:45:57,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 10:45:57,721 INFO L93 Difference]: Finished difference Result 37064 states and 49337 transitions. [2021-12-18 10:45:57,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 10:45:57,722 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 473 [2021-12-18 10:45:57,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 10:45:57,832 INFO L225 Difference]: With dead ends: 37064 [2021-12-18 10:45:57,833 INFO L226 Difference]: Without dead ends: 21025 [2021-12-18 10:45:57,892 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 10:45:57,894 INFO L933 BasicCegarLoop]: 2430 mSDtfsCounter, 1224 mSDsluCounter, 2378 mSDsCounter, 0 mSdLazyCounter, 646 mSolverCounterSat, 280 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1353 SdHoareTripleChecker+Valid, 4808 SdHoareTripleChecker+Invalid, 926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 280 IncrementalHoareTripleChecker+Valid, 646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-18 10:45:57,894 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1353 Valid, 4808 Invalid, 926 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [280 Valid, 646 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-18 10:45:57,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21025 states. [2021-12-18 10:45:58,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21025 to 16059. [2021-12-18 10:45:58,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16059 states, 11906 states have (on average 1.282126658827482) internal successors, (15265), 11987 states have internal predecessors, (15265), 3040 states have call successors, (3040), 1111 states have call predecessors, (3040), 1111 states have return successors, (3040), 3026 states have call predecessors, (3040), 3040 states have call successors, (3040) [2021-12-18 10:45:58,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16059 states to 16059 states and 21345 transitions. [2021-12-18 10:45:58,614 INFO L78 Accepts]: Start accepts. Automaton has 16059 states and 21345 transitions. Word has length 473 [2021-12-18 10:45:58,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 10:45:58,615 INFO L470 AbstractCegarLoop]: Abstraction has 16059 states and 21345 transitions. [2021-12-18 10:45:58,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2021-12-18 10:45:58,615 INFO L276 IsEmpty]: Start isEmpty. Operand 16059 states and 21345 transitions. [2021-12-18 10:45:58,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2021-12-18 10:45:58,637 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 10:45:58,638 INFO L514 BasicCegarLoop]: trace histogram [31, 31, 24, 24, 24, 24, 24, 24, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:45:58,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-18 10:45:58,638 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 10:45:58,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 10:45:58,639 INFO L85 PathProgramCache]: Analyzing trace with hash 547194297, now seen corresponding path program 1 times [2021-12-18 10:45:58,639 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 10:45:58,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217283332] [2021-12-18 10:45:58,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 10:45:58,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 10:45:58,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:58,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 10:45:58,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:58,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:58,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:58,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 10:45:58,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:58,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:58,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:58,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 10:45:58,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:58,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:58,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:58,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 10:45:58,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:58,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:58,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:58,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 10:45:58,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:58,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:58,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:58,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 10:45:58,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:58,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:58,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:58,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 10:45:58,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:58,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:58,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:58,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 10:45:58,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:58,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:58,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:58,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 10:45:58,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:58,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:58,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:58,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 10:45:58,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:58,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:58,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:58,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 10:45:58,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:58,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:58,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:58,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 10:45:58,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:58,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:58,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:58,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 10:45:58,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:58,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:58,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:58,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 10:45:58,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:58,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:58,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:58,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 10:45:58,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:58,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:58,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:58,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 10:45:58,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:58,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:58,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:58,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 10:45:58,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:58,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:58,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:58,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 10:45:58,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:58,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:58,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:58,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 10:45:58,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:58,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:58,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:58,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 10:45:58,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:59,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:59,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:59,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 10:45:59,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:59,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:59,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:59,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 10:45:59,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:59,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:59,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:59,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 10:45:59,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:59,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:59,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:59,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 10:45:59,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:59,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:59,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:59,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-18 10:45:59,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:59,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-18 10:45:59,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:59,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 10:45:59,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:59,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 10:45:59,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:59,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-18 10:45:59,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:59,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:59,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:59,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 10:45:59,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:59,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 10:45:59,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:59,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-18 10:45:59,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:59,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 10:45:59,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:59,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 10:45:59,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:59,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-12-18 10:45:59,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:59,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-18 10:45:59,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:59,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-18 10:45:59,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:59,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:59,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:59,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 10:45:59,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:59,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 10:45:59,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:59,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-18 10:45:59,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:59,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:45:59,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:59,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 10:45:59,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:59,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 10:45:59,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:59,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-12-18 10:45:59,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:59,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-18 10:45:59,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:59,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2021-12-18 10:45:59,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:45:59,122 INFO L134 CoverageAnalysis]: Checked inductivity of 3285 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3274 trivial. 0 not checked. [2021-12-18 10:45:59,122 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 10:45:59,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217283332] [2021-12-18 10:45:59,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217283332] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 10:45:59,123 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 10:45:59,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 10:45:59,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225371773] [2021-12-18 10:45:59,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 10:45:59,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 10:45:59,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 10:45:59,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 10:45:59,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 10:45:59,124 INFO L87 Difference]: Start difference. First operand 16059 states and 21345 transitions. Second operand has 4 states, 4 states have (on average 30.75) internal successors, (123), 3 states have internal predecessors, (123), 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 10:46:00,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 10:46:00,566 INFO L93 Difference]: Finished difference Result 39204 states and 52191 transitions. [2021-12-18 10:46:00,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 10:46:00,566 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.75) internal successors, (123), 3 states have internal predecessors, (123), 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 473 [2021-12-18 10:46:00,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 10:46:00,632 INFO L225 Difference]: With dead ends: 39204 [2021-12-18 10:46:00,632 INFO L226 Difference]: Without dead ends: 23464 [2021-12-18 10:46:00,666 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 10:46:00,667 INFO L933 BasicCegarLoop]: 1795 mSDtfsCounter, 1332 mSDsluCounter, 2006 mSDsCounter, 0 mSdLazyCounter, 657 mSolverCounterSat, 405 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1461 SdHoareTripleChecker+Valid, 3801 SdHoareTripleChecker+Invalid, 1062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 405 IncrementalHoareTripleChecker+Valid, 657 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-18 10:46:00,667 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1461 Valid, 3801 Invalid, 1062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [405 Valid, 657 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-18 10:46:00,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23464 states. [2021-12-18 10:46:01,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23464 to 23346. [2021-12-18 10:46:01,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23346 states, 17373 states have (on average 1.2810683244114431) internal successors, (22256), 17489 states have internal predecessors, (22256), 4341 states have call successors, (4341), 1630 states have call predecessors, (4341), 1630 states have return successors, (4341), 4319 states have call predecessors, (4341), 4341 states have call successors, (4341) [2021-12-18 10:46:01,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23346 states to 23346 states and 30938 transitions. [2021-12-18 10:46:01,331 INFO L78 Accepts]: Start accepts. Automaton has 23346 states and 30938 transitions. Word has length 473 [2021-12-18 10:46:01,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 10:46:01,332 INFO L470 AbstractCegarLoop]: Abstraction has 23346 states and 30938 transitions. [2021-12-18 10:46:01,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.75) internal successors, (123), 3 states have internal predecessors, (123), 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 10:46:01,332 INFO L276 IsEmpty]: Start isEmpty. Operand 23346 states and 30938 transitions. [2021-12-18 10:46:01,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2021-12-18 10:46:01,341 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 10:46:01,341 INFO L514 BasicCegarLoop]: trace histogram [31, 31, 24, 24, 24, 24, 24, 24, 9, 9, 9, 4, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:46:01,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-18 10:46:01,342 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 10:46:01,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 10:46:01,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1348492814, now seen corresponding path program 1 times [2021-12-18 10:46:01,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 10:46:01,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6156724] [2021-12-18 10:46:01,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 10:46:01,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 10:46:01,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 10:46:01,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:01,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 10:46:01,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:01,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 10:46:01,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:01,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 10:46:01,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:01,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 10:46:01,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:01,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 10:46:01,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 10:46:01,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:01,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 10:46:01,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:01,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 10:46:01,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:01,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 10:46:01,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:01,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 10:46:01,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:01,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 10:46:01,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:01,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 10:46:01,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:01,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 10:46:01,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:01,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 10:46:01,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:01,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 10:46:01,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:01,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 10:46:01,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:01,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 10:46:01,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:01,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 10:46:01,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:01,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 10:46:01,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:01,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 10:46:01,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:01,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 10:46:01,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:01,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 10:46:01,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:01,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 10:46:01,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:01,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-18 10:46:01,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-18 10:46:01,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 10:46:01,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 10:46:01,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-18 10:46:01,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:01,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 10:46:01,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 10:46:01,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-18 10:46:01,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 10:46:01,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 10:46:01,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-12-18 10:46:01,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-18 10:46:01,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-18 10:46:01,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:01,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 10:46:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 10:46:01,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-18 10:46:01,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:01,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 10:46:01,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 10:46:01,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-18 10:46:01,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-12-18 10:46:01,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:01,609 INFO L134 CoverageAnalysis]: Checked inductivity of 3249 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3238 trivial. 0 not checked. [2021-12-18 10:46:01,609 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 10:46:01,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6156724] [2021-12-18 10:46:01,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6156724] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 10:46:01,609 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 10:46:01,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 10:46:01,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378101363] [2021-12-18 10:46:01,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 10:46:01,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 10:46:01,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 10:46:01,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 10:46:01,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 10:46:01,611 INFO L87 Difference]: Start difference. First operand 23346 states and 30938 transitions. Second operand has 4 states, 4 states have (on average 31.25) internal successors, (125), 3 states have internal predecessors, (125), 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 10:46:03,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 10:46:03,607 INFO L93 Difference]: Finished difference Result 54868 states and 72663 transitions. [2021-12-18 10:46:03,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 10:46:03,608 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 3 states have internal predecessors, (125), 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 470 [2021-12-18 10:46:03,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 10:46:03,773 INFO L225 Difference]: With dead ends: 54868 [2021-12-18 10:46:03,774 INFO L226 Difference]: Without dead ends: 31841 [2021-12-18 10:46:03,835 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 144 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 10:46:03,836 INFO L933 BasicCegarLoop]: 1795 mSDtfsCounter, 1087 mSDsluCounter, 2017 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1190 SdHoareTripleChecker+Valid, 3812 SdHoareTripleChecker+Invalid, 995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 364 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-18 10:46:03,836 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1190 Valid, 3812 Invalid, 995 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [364 Valid, 631 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-18 10:46:03,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31841 states. [2021-12-18 10:46:04,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31841 to 31689. [2021-12-18 10:46:04,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31689 states, 23679 states have (on average 1.2760251699818403) internal successors, (30215), 23828 states have internal predecessors, (30215), 5748 states have call successors, (5748), 2260 states have call predecessors, (5748), 2260 states have return successors, (5748), 5714 states have call predecessors, (5748), 5748 states have call successors, (5748) [2021-12-18 10:46:05,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31689 states to 31689 states and 41711 transitions. [2021-12-18 10:46:05,065 INFO L78 Accepts]: Start accepts. Automaton has 31689 states and 41711 transitions. Word has length 470 [2021-12-18 10:46:05,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 10:46:05,065 INFO L470 AbstractCegarLoop]: Abstraction has 31689 states and 41711 transitions. [2021-12-18 10:46:05,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 3 states have internal predecessors, (125), 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 10:46:05,066 INFO L276 IsEmpty]: Start isEmpty. Operand 31689 states and 41711 transitions. [2021-12-18 10:46:05,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2021-12-18 10:46:05,078 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 10:46:05,080 INFO L514 BasicCegarLoop]: trace histogram [31, 31, 24, 24, 24, 24, 24, 24, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:46:05,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-18 10:46:05,080 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 10:46:05,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 10:46:05,085 INFO L85 PathProgramCache]: Analyzing trace with hash 856308775, now seen corresponding path program 1 times [2021-12-18 10:46:05,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 10:46:05,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699618558] [2021-12-18 10:46:05,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 10:46:05,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 10:46:05,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 10:46:05,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:05,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 10:46:05,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:05,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 10:46:05,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 10:46:05,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:05,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 10:46:05,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:05,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 10:46:05,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:05,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 10:46:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:05,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 10:46:05,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:05,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 10:46:05,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:05,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 10:46:05,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:05,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 10:46:05,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 10:46:05,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:05,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 10:46:05,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:05,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 10:46:05,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:05,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 10:46:05,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:05,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 10:46:05,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:05,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 10:46:05,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:05,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 10:46:05,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 10:46:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:05,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 10:46:05,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:05,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 10:46:05,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:05,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 10:46:05,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:05,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 10:46:05,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:05,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 10:46:05,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-18 10:46:05,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-18 10:46:05,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 10:46:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 10:46:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-18 10:46:05,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:05,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 10:46:05,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 10:46:05,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-18 10:46:05,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 10:46:05,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 10:46:05,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-12-18 10:46:05,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-18 10:46:05,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-12-18 10:46:05,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 10:46:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 10:46:05,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-12-18 10:46:05,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:05,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 10:46:05,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 10:46:05,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2021-12-18 10:46:05,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-12-18 10:46:05,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2021-12-18 10:46:05,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2021-12-18 10:46:05,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:05,415 INFO L134 CoverageAnalysis]: Checked inductivity of 3285 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3274 trivial. 0 not checked. [2021-12-18 10:46:05,415 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 10:46:05,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699618558] [2021-12-18 10:46:05,415 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699618558] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 10:46:05,415 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 10:46:05,415 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 10:46:05,416 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225768583] [2021-12-18 10:46:05,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 10:46:05,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 10:46:05,417 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 10:46:05,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 10:46:05,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 10:46:05,417 INFO L87 Difference]: Start difference. First operand 31689 states and 41711 transitions. Second operand has 4 states, 4 states have (on average 31.0) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2021-12-18 10:46:07,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 10:46:07,508 INFO L93 Difference]: Finished difference Result 76862 states and 101314 transitions. [2021-12-18 10:46:07,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 10:46:07,509 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 476 [2021-12-18 10:46:07,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 10:46:07,821 INFO L225 Difference]: With dead ends: 76862 [2021-12-18 10:46:07,835 INFO L226 Difference]: Without dead ends: 45492 [2021-12-18 10:46:07,962 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 148 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 10:46:07,963 INFO L933 BasicCegarLoop]: 1877 mSDtfsCounter, 1275 mSDsluCounter, 2019 mSDsCounter, 0 mSdLazyCounter, 657 mSolverCounterSat, 393 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1404 SdHoareTripleChecker+Valid, 3896 SdHoareTripleChecker+Invalid, 1050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 393 IncrementalHoareTripleChecker+Valid, 657 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-18 10:46:07,963 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1404 Valid, 3896 Invalid, 1050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [393 Valid, 657 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-18 10:46:08,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45492 states. [2021-12-18 10:46:09,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45492 to 45270. [2021-12-18 10:46:09,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45270 states, 33966 states have (on average 1.274480362715657) internal successors, (43289), 34181 states have internal predecessors, (43289), 8052 states have call successors, (8052), 3250 states have call predecessors, (8052), 3250 states have return successors, (8052), 8000 states have call predecessors, (8052), 8052 states have call successors, (8052) [2021-12-18 10:46:09,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45270 states to 45270 states and 59393 transitions. [2021-12-18 10:46:09,798 INFO L78 Accepts]: Start accepts. Automaton has 45270 states and 59393 transitions. Word has length 476 [2021-12-18 10:46:09,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 10:46:09,799 INFO L470 AbstractCegarLoop]: Abstraction has 45270 states and 59393 transitions. [2021-12-18 10:46:09,799 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2021-12-18 10:46:09,800 INFO L276 IsEmpty]: Start isEmpty. Operand 45270 states and 59393 transitions. [2021-12-18 10:46:09,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 543 [2021-12-18 10:46:09,819 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 10:46:09,819 INFO L514 BasicCegarLoop]: trace histogram [34, 34, 24, 24, 24, 24, 24, 24, 13, 13, 13, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:46:09,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-18 10:46:09,820 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 10:46:09,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 10:46:09,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1970656511, now seen corresponding path program 1 times [2021-12-18 10:46:09,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 10:46:09,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647799337] [2021-12-18 10:46:09,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 10:46:09,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 10:46:10,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 10:46:10,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:10,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 10:46:10,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:10,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 10:46:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:10,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 10:46:10,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:10,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 10:46:10,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:10,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 10:46:10,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:10,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 10:46:10,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:10,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 10:46:10,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:10,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 10:46:10,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:10,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 10:46:10,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:10,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 10:46:10,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 10:46:10,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:10,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 10:46:10,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:10,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 10:46:10,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:10,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 10:46:10,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:10,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 10:46:10,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:10,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 10:46:10,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:10,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 10:46:10,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:10,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 10:46:10,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 10:46:10,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:10,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 10:46:10,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:10,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 10:46:10,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:10,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 10:46:10,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:10,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 10:46:10,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:10,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-18 10:46:10,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-18 10:46:10,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 10:46:10,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 10:46:10,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-18 10:46:10,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:10,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 10:46:10,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 10:46:10,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-18 10:46:10,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 10:46:10,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 10:46:10,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-12-18 10:46:10,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-18 10:46:10,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-12-18 10:46:10,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:10,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 10:46:10,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 10:46:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-12-18 10:46:10,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:10,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 10:46:10,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 10:46:10,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-12-18 10:46:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-12-18 10:46:10,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2021-12-18 10:46:10,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2021-12-18 10:46:10,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 10:46:10,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 10:46:10,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-12-18 10:46:10,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:10,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 10:46:10,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 10:46:10,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2021-12-18 10:46:10,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2021-12-18 10:46:10,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:10,916 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3760 trivial. 0 not checked. [2021-12-18 10:46:10,917 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 10:46:10,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647799337] [2021-12-18 10:46:10,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647799337] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 10:46:10,917 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 10:46:10,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 10:46:10,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611542164] [2021-12-18 10:46:10,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 10:46:10,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 10:46:10,918 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 10:46:10,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 10:46:10,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 10:46:10,920 INFO L87 Difference]: Start difference. First operand 45270 states and 59393 transitions. Second operand has 4 states, 4 states have (on average 35.75) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2021-12-18 10:46:13,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 10:46:13,238 INFO L93 Difference]: Finished difference Result 101980 states and 133749 transitions. [2021-12-18 10:46:13,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 10:46:13,239 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.75) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 542 [2021-12-18 10:46:13,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 10:46:13,644 INFO L225 Difference]: With dead ends: 101980 [2021-12-18 10:46:13,644 INFO L226 Difference]: Without dead ends: 56762 [2021-12-18 10:46:13,735 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 166 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 10:46:13,736 INFO L933 BasicCegarLoop]: 2157 mSDtfsCounter, 964 mSDsluCounter, 2185 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 280 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1065 SdHoareTripleChecker+Valid, 4342 SdHoareTripleChecker+Invalid, 911 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 280 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-18 10:46:13,737 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1065 Valid, 4342 Invalid, 911 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [280 Valid, 631 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-18 10:46:13,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56762 states. [2021-12-18 10:46:15,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56762 to 56486. [2021-12-18 10:46:15,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56486 states, 42469 states have (on average 1.2717982528432503) internal successors, (54012), 42729 states have internal predecessors, (54012), 9908 states have call successors, (9908), 4107 states have call predecessors, (9908), 4107 states have return successors, (9908), 9838 states have call predecessors, (9908), 9908 states have call successors, (9908) [2021-12-18 10:46:15,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56486 states to 56486 states and 73828 transitions. [2021-12-18 10:46:15,753 INFO L78 Accepts]: Start accepts. Automaton has 56486 states and 73828 transitions. Word has length 542 [2021-12-18 10:46:15,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 10:46:15,754 INFO L470 AbstractCegarLoop]: Abstraction has 56486 states and 73828 transitions. [2021-12-18 10:46:15,755 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.75) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2021-12-18 10:46:15,755 INFO L276 IsEmpty]: Start isEmpty. Operand 56486 states and 73828 transitions. [2021-12-18 10:46:15,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 543 [2021-12-18 10:46:15,810 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 10:46:15,811 INFO L514 BasicCegarLoop]: trace histogram [34, 34, 24, 24, 24, 24, 24, 24, 13, 13, 13, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:46:15,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-18 10:46:15,812 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 10:46:15,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 10:46:15,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1087147521, now seen corresponding path program 1 times [2021-12-18 10:46:15,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 10:46:15,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977261960] [2021-12-18 10:46:15,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 10:46:15,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 10:46:15,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:15,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 10:46:15,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:15,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:15,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:15,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 10:46:15,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:15,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:15,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:15,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 10:46:15,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:15,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:15,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:15,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 10:46:15,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:15,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:15,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:15,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 10:46:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:15,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:15,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:15,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 10:46:15,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:15,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:15,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:15,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 10:46:15,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:15,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:15,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:15,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 10:46:15,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:15,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:15,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:15,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 10:46:15,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:15,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:15,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:15,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 10:46:15,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:15,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:15,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:15,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 10:46:15,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:15,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:15,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:15,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 10:46:15,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:15,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:15,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 10:46:15,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:15,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:15,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 10:46:16,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:16,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 10:46:16,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:16,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 10:46:16,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:16,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 10:46:16,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:16,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 10:46:16,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:16,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 10:46:16,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:16,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 10:46:16,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:16,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 10:46:16,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:16,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 10:46:16,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:16,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 10:46:16,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:16,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 10:46:16,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:16,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-18 10:46:16,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-18 10:46:16,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 10:46:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 10:46:16,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-18 10:46:16,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:16,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 10:46:16,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 10:46:16,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-18 10:46:16,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 10:46:16,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 10:46:16,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-12-18 10:46:16,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-18 10:46:16,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-12-18 10:46:16,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:16,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 10:46:16,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 10:46:16,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-12-18 10:46:16,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:16,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 10:46:16,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 10:46:16,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-12-18 10:46:16,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-12-18 10:46:16,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2021-12-18 10:46:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2021-12-18 10:46:16,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:16,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 10:46:16,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 10:46:16,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-12-18 10:46:16,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:16,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 10:46:16,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 10:46:16,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2021-12-18 10:46:16,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2021-12-18 10:46:16,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:16,172 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3760 trivial. 0 not checked. [2021-12-18 10:46:16,173 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 10:46:16,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977261960] [2021-12-18 10:46:16,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977261960] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 10:46:16,173 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 10:46:16,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 10:46:16,173 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312306415] [2021-12-18 10:46:16,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 10:46:16,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 10:46:16,175 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 10:46:16,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 10:46:16,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 10:46:16,175 INFO L87 Difference]: Start difference. First operand 56486 states and 73828 transitions. Second operand has 4 states, 4 states have (on average 35.75) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2021-12-18 10:46:18,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 10:46:18,553 INFO L93 Difference]: Finished difference Result 124545 states and 162859 transitions. [2021-12-18 10:46:18,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 10:46:18,554 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.75) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 542 [2021-12-18 10:46:18,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 10:46:18,838 INFO L225 Difference]: With dead ends: 124545 [2021-12-18 10:46:18,843 INFO L226 Difference]: Without dead ends: 68378 [2021-12-18 10:46:18,987 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 166 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 10:46:19,002 INFO L933 BasicCegarLoop]: 2157 mSDtfsCounter, 970 mSDsluCounter, 2176 mSDsCounter, 0 mSdLazyCounter, 637 mSolverCounterSat, 283 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1074 SdHoareTripleChecker+Valid, 4333 SdHoareTripleChecker+Invalid, 920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 283 IncrementalHoareTripleChecker+Valid, 637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-18 10:46:19,002 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1074 Valid, 4333 Invalid, 920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [283 Valid, 637 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-18 10:46:19,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68378 states. [2021-12-18 10:46:20,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68378 to 68048. [2021-12-18 10:46:20,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68048 states, 51262 states have (on average 1.2696539346884632) internal successors, (65085), 51567 states have internal predecessors, (65085), 11801 states have call successors, (11801), 4983 states have call predecessors, (11801), 4983 states have return successors, (11801), 11713 states have call predecessors, (11801), 11801 states have call successors, (11801) [2021-12-18 10:46:21,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68048 states to 68048 states and 88687 transitions. [2021-12-18 10:46:21,356 INFO L78 Accepts]: Start accepts. Automaton has 68048 states and 88687 transitions. Word has length 542 [2021-12-18 10:46:21,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 10:46:21,364 INFO L470 AbstractCegarLoop]: Abstraction has 68048 states and 88687 transitions. [2021-12-18 10:46:21,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.75) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2021-12-18 10:46:21,364 INFO L276 IsEmpty]: Start isEmpty. Operand 68048 states and 88687 transitions. [2021-12-18 10:46:21,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2021-12-18 10:46:21,385 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 10:46:21,386 INFO L514 BasicCegarLoop]: trace histogram [34, 34, 24, 24, 24, 24, 24, 24, 14, 14, 14, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:46:21,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-18 10:46:21,386 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 10:46:21,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 10:46:21,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1004734046, now seen corresponding path program 1 times [2021-12-18 10:46:21,387 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 10:46:21,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645442037] [2021-12-18 10:46:21,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 10:46:21,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 10:46:21,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 10:46:21,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:21,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 10:46:21,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:21,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 10:46:21,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:21,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 10:46:21,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:21,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 10:46:21,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:21,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 10:46:21,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:21,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 10:46:21,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:21,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 10:46:21,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:21,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 10:46:21,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:21,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 10:46:21,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:21,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 10:46:21,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:21,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 10:46:21,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:21,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 10:46:21,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:21,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 10:46:21,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:21,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 10:46:21,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:21,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 10:46:21,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 10:46:21,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:21,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 10:46:21,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:21,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 10:46:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:21,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 10:46:21,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:21,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 10:46:21,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:21,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 10:46:21,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:21,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 10:46:21,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:21,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 10:46:21,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:21,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-18 10:46:21,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-18 10:46:21,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 10:46:21,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 10:46:21,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-18 10:46:21,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 10:46:21,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 10:46:21,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-18 10:46:21,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 10:46:21,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 10:46:21,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-12-18 10:46:21,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-18 10:46:21,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-12-18 10:46:21,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:21,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 10:46:21,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 10:46:21,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-12-18 10:46:21,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 10:46:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 10:46:21,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2021-12-18 10:46:21,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-18 10:46:21,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2021-12-18 10:46:21,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2021-12-18 10:46:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:21,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 10:46:21,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 10:46:21,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-12-18 10:46:21,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:21,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 10:46:21,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 10:46:21,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-12-18 10:46:21,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2021-12-18 10:46:21,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2021-12-18 10:46:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:21,878 INFO L134 CoverageAnalysis]: Checked inductivity of 3837 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3812 trivial. 0 not checked. [2021-12-18 10:46:21,878 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 10:46:21,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645442037] [2021-12-18 10:46:21,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645442037] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 10:46:21,881 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 10:46:21,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 10:46:21,881 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495822288] [2021-12-18 10:46:21,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 10:46:21,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 10:46:21,882 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 10:46:21,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 10:46:21,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 10:46:21,883 INFO L87 Difference]: Start difference. First operand 68048 states and 88687 transitions. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2021-12-18 10:46:25,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 10:46:25,241 INFO L93 Difference]: Finished difference Result 156521 states and 204305 transitions. [2021-12-18 10:46:25,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 10:46:25,241 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 546 [2021-12-18 10:46:25,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 10:46:25,567 INFO L225 Difference]: With dead ends: 156521 [2021-12-18 10:46:25,568 INFO L226 Difference]: Without dead ends: 88792 [2021-12-18 10:46:25,737 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 168 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 10:46:25,737 INFO L933 BasicCegarLoop]: 2399 mSDtfsCounter, 1188 mSDsluCounter, 2325 mSDsCounter, 0 mSdLazyCounter, 679 mSolverCounterSat, 284 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1318 SdHoareTripleChecker+Valid, 4724 SdHoareTripleChecker+Invalid, 963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 284 IncrementalHoareTripleChecker+Valid, 679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-18 10:46:25,738 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1318 Valid, 4724 Invalid, 963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [284 Valid, 679 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-18 10:46:25,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88792 states. [2021-12-18 10:46:28,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88792 to 88352. [2021-12-18 10:46:28,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88352 states, 66760 states have (on average 1.268843618933493) internal successors, (84708), 67143 states have internal predecessors, (84708), 15125 states have call successors, (15125), 6465 states have call predecessors, (15125), 6465 states have return successors, (15125), 15007 states have call predecessors, (15125), 15125 states have call successors, (15125) [2021-12-18 10:46:28,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88352 states to 88352 states and 114958 transitions. [2021-12-18 10:46:28,581 INFO L78 Accepts]: Start accepts. Automaton has 88352 states and 114958 transitions. Word has length 546 [2021-12-18 10:46:28,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 10:46:28,582 INFO L470 AbstractCegarLoop]: Abstraction has 88352 states and 114958 transitions. [2021-12-18 10:46:28,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2021-12-18 10:46:28,582 INFO L276 IsEmpty]: Start isEmpty. Operand 88352 states and 114958 transitions. [2021-12-18 10:46:28,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2021-12-18 10:46:28,601 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 10:46:28,601 INFO L514 BasicCegarLoop]: trace histogram [34, 34, 24, 24, 24, 24, 24, 24, 14, 14, 14, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:46:28,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-18 10:46:28,602 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 10:46:28,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 10:46:28,602 INFO L85 PathProgramCache]: Analyzing trace with hash 2061465248, now seen corresponding path program 1 times [2021-12-18 10:46:28,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 10:46:28,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491422380] [2021-12-18 10:46:28,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 10:46:28,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 10:46:28,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 10:46:28,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:28,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 10:46:28,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:28,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 10:46:28,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:28,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 10:46:28,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 10:46:28,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:28,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 10:46:28,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:28,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 10:46:28,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:28,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 10:46:28,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:28,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 10:46:28,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:28,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 10:46:28,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:28,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 10:46:28,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:28,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 10:46:28,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:28,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 10:46:28,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:28,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 10:46:28,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:28,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 10:46:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:28,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 10:46:28,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:28,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 10:46:28,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:28,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 10:46:28,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:28,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 10:46:28,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:28,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 10:46:28,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:28,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 10:46:28,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:28,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 10:46:28,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:28,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 10:46:28,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:28,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 10:46:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:28,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-18 10:46:28,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-18 10:46:28,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 10:46:28,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 10:46:28,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-18 10:46:28,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:28,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 10:46:28,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 10:46:28,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-18 10:46:28,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 10:46:28,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 10:46:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-12-18 10:46:28,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-18 10:46:28,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-12-18 10:46:28,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:28,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 10:46:28,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 10:46:28,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-12-18 10:46:28,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:28,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 10:46:28,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 10:46:28,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2021-12-18 10:46:28,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-18 10:46:28,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2021-12-18 10:46:28,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2021-12-18 10:46:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 10:46:28,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 10:46:28,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-12-18 10:46:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:28,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 10:46:28,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 10:46:28,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-12-18 10:46:28,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2021-12-18 10:46:28,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2021-12-18 10:46:28,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:28,985 INFO L134 CoverageAnalysis]: Checked inductivity of 3837 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3812 trivial. 0 not checked. [2021-12-18 10:46:28,986 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 10:46:28,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491422380] [2021-12-18 10:46:28,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491422380] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 10:46:28,986 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 10:46:28,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 10:46:28,986 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526790641] [2021-12-18 10:46:28,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 10:46:28,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 10:46:28,987 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 10:46:28,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 10:46:28,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 10:46:28,988 INFO L87 Difference]: Start difference. First operand 88352 states and 114958 transitions. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2021-12-18 10:46:32,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 10:46:32,969 INFO L93 Difference]: Finished difference Result 197102 states and 256748 transitions. [2021-12-18 10:46:32,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 10:46:32,969 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 546 [2021-12-18 10:46:32,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 10:46:33,449 INFO L225 Difference]: With dead ends: 197102 [2021-12-18 10:46:33,449 INFO L226 Difference]: Without dead ends: 108543 [2021-12-18 10:46:33,619 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 168 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 10:46:33,620 INFO L933 BasicCegarLoop]: 2399 mSDtfsCounter, 1182 mSDsluCounter, 2334 mSDsCounter, 0 mSdLazyCounter, 673 mSolverCounterSat, 281 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1309 SdHoareTripleChecker+Valid, 4733 SdHoareTripleChecker+Invalid, 954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 281 IncrementalHoareTripleChecker+Valid, 673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-18 10:46:33,620 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1309 Valid, 4733 Invalid, 954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [281 Valid, 673 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-18 10:46:33,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108543 states. [2021-12-18 10:46:36,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108543 to 107999. [2021-12-18 10:46:36,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107999 states, 81711 states have (on average 1.2686541591707359) internal successors, (103663), 82172 states have internal predecessors, (103663), 18377 states have call successors, (18377), 7909 states have call predecessors, (18377), 7909 states have return successors, (18377), 18229 states have call predecessors, (18377), 18377 states have call successors, (18377) [2021-12-18 10:46:37,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107999 states to 107999 states and 140417 transitions. [2021-12-18 10:46:37,102 INFO L78 Accepts]: Start accepts. Automaton has 107999 states and 140417 transitions. Word has length 546 [2021-12-18 10:46:37,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 10:46:37,104 INFO L470 AbstractCegarLoop]: Abstraction has 107999 states and 140417 transitions. [2021-12-18 10:46:37,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2021-12-18 10:46:37,104 INFO L276 IsEmpty]: Start isEmpty. Operand 107999 states and 140417 transitions. [2021-12-18 10:46:37,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 548 [2021-12-18 10:46:37,130 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 10:46:37,131 INFO L514 BasicCegarLoop]: trace histogram [34, 34, 24, 24, 24, 24, 24, 24, 14, 14, 14, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:46:37,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-18 10:46:37,131 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 10:46:37,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 10:46:37,132 INFO L85 PathProgramCache]: Analyzing trace with hash -254885337, now seen corresponding path program 1 times [2021-12-18 10:46:37,132 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 10:46:37,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126933578] [2021-12-18 10:46:37,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 10:46:37,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 10:46:37,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 10:46:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:37,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 10:46:37,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 10:46:37,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:37,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 10:46:37,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:37,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 10:46:37,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:37,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 10:46:37,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:37,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 10:46:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:37,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 10:46:37,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:37,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 10:46:37,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:37,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 10:46:37,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:37,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 10:46:37,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:37,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 10:46:37,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:37,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 10:46:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:37,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 10:46:37,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:37,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 10:46:37,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:37,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 10:46:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:37,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 10:46:37,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:37,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 10:46:37,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:37,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 10:46:37,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:37,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 10:46:37,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:37,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 10:46:37,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:37,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 10:46:37,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:37,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 10:46:37,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:37,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 10:46:37,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:37,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-18 10:46:37,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-18 10:46:37,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 10:46:37,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 10:46:37,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-18 10:46:37,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:37,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 10:46:37,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 10:46:37,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-18 10:46:37,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 10:46:37,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 10:46:37,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-12-18 10:46:37,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-18 10:46:37,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-12-18 10:46:37,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:37,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 10:46:37,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 10:46:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-12-18 10:46:37,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:37,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 10:46:37,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 10:46:37,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-12-18 10:46:37,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-18 10:46:37,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-18 10:46:37,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-18 10:46:37,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:37,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 10:46:37,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 10:46:37,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2021-12-18 10:46:37,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 10:46:37,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 10:46:37,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 10:46:37,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2021-12-18 10:46:37,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2021-12-18 10:46:37,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2021-12-18 10:46:37,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2021-12-18 10:46:37,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 10:46:37,785 INFO L134 CoverageAnalysis]: Checked inductivity of 3835 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 3812 trivial. 0 not checked. [2021-12-18 10:46:37,785 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 10:46:37,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126933578] [2021-12-18 10:46:37,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126933578] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 10:46:37,786 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 10:46:37,786 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 10:46:37,786 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219131693] [2021-12-18 10:46:37,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 10:46:37,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 10:46:37,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 10:46:37,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 10:46:37,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 10:46:37,788 INFO L87 Difference]: Start difference. First operand 107999 states and 140417 transitions. Second operand has 4 states, 4 states have (on average 35.25) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2021-12-18 10:46:42,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 10:46:42,659 INFO L93 Difference]: Finished difference Result 247710 states and 322554 transitions. [2021-12-18 10:46:42,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 10:46:42,660 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 547 [2021-12-18 10:46:42,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted.