./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 35987657 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-?-3598765 [2022-07-21 13:41:18,078 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 13:41:18,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 13:41:18,133 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 13:41:18,133 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 13:41:18,135 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 13:41:18,139 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 13:41:18,141 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 13:41:18,143 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 13:41:18,147 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 13:41:18,148 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 13:41:18,152 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 13:41:18,153 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 13:41:18,155 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 13:41:18,155 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 13:41:18,158 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 13:41:18,159 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 13:41:18,160 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 13:41:18,162 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 13:41:18,167 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 13:41:18,168 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 13:41:18,169 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 13:41:18,171 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 13:41:18,172 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 13:41:18,173 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 13:41:18,180 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 13:41:18,180 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 13:41:18,180 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 13:41:18,181 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 13:41:18,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 13:41:18,183 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 13:41:18,184 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 13:41:18,185 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 13:41:18,186 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 13:41:18,187 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 13:41:18,188 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 13:41:18,188 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 13:41:18,189 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 13:41:18,189 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 13:41:18,189 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 13:41:18,190 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 13:41:18,191 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 13:41:18,196 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 13:41:18,227 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 13:41:18,228 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 13:41:18,228 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 13:41:18,229 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 13:41:18,229 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 13:41:18,230 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 13:41:18,230 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 13:41:18,230 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 13:41:18,231 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 13:41:18,231 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 13:41:18,232 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 13:41:18,232 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 13:41:18,232 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 13:41:18,232 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 13:41:18,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 13:41:18,233 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 13:41:18,233 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 13:41:18,233 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 13:41:18,234 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 13:41:18,234 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 13:41:18,234 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 13:41:18,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 13:41:18,234 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 13:41:18,235 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 13:41:18,235 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 13:41:18,235 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 13:41:18,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 13:41:18,236 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 13:41:18,236 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 13:41:18,236 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 13:41:18,236 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c6afaf5bedcc2af934f5b2a4cc6fb91099717aaf97d30d9787d5c01855a1a43 [2022-07-21 13:41:18,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 13:41:18,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 13:41:18,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 13:41:18,588 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 13:41:18,588 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 13:41:18,590 INFO L432 ainManager$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 [2022-07-21 13:41:18,658 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e6e3caff/50dd4d2158754c63be54d534e7cad977/FLAG53d1c2238 [2022-07-21 13:41:19,413 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 13:41:19,413 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 [2022-07-21 13:41:19,456 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e6e3caff/50dd4d2158754c63be54d534e7cad977/FLAG53d1c2238 [2022-07-21 13:41:19,536 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e6e3caff/50dd4d2158754c63be54d534e7cad977 [2022-07-21 13:41:19,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 13:41:19,540 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 13:41:19,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 13:41:19,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 13:41:19,546 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 13:41:19,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:41:19" (1/1) ... [2022-07-21 13:41:19,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3355ca0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:41:19, skipping insertion in model container [2022-07-21 13:41:19,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:41:19" (1/1) ... [2022-07-21 13:41:19,554 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 13:41:19,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 13:41:20,739 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] [2022-07-21 13:41:20,742 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] [2022-07-21 13:41:20,743 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] [2022-07-21 13:41:20,743 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] [2022-07-21 13:41:20,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:41:20,802 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 13:41:21,090 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] [2022-07-21 13:41:21,091 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] [2022-07-21 13:41:21,092 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-binfmt_misc.cil.i[193653,193666] [2022-07-21 13:41:21,093 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] [2022-07-21 13:41:21,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:41:21,185 INFO L208 MainTranslator]: Completed translation [2022-07-21 13:41:21,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:41:21 WrapperNode [2022-07-21 13:41:21,186 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 13:41:21,187 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 13:41:21,188 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 13:41:21,188 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 13:41:21,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:41:21" (1/1) ... [2022-07-21 13:41:21,276 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:41:21" (1/1) ... [2022-07-21 13:41:21,412 INFO L137 Inliner]: procedures = 238, calls = 999, calls flagged for inlining = 130, calls inlined = 118, statements flattened = 3013 [2022-07-21 13:41:21,413 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 13:41:21,414 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 13:41:21,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 13:41:21,415 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 13:41:21,423 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:41:21" (1/1) ... [2022-07-21 13:41:21,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:41:21" (1/1) ... [2022-07-21 13:41:21,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:41:21" (1/1) ... [2022-07-21 13:41:21,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:41:21" (1/1) ... [2022-07-21 13:41:21,540 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:41:21" (1/1) ... [2022-07-21 13:41:21,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:41:21" (1/1) ... [2022-07-21 13:41:21,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:41:21" (1/1) ... [2022-07-21 13:41:21,612 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 13:41:21,613 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 13:41:21,613 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 13:41:21,615 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 13:41:21,616 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:41:21" (1/1) ... [2022-07-21 13:41:21,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 13:41:21,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 13:41:21,649 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) [2022-07-21 13:41:21,657 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 [2022-07-21 13:41:21,685 INFO L130 BoogieDeclarations]: Found specification of procedure dput [2022-07-21 13:41:21,686 INFO L138 BoogieDeclarations]: Found implementation of procedure dput [2022-07-21 13:41:21,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 13:41:21,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 13:41:21,686 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2022-07-21 13:41:21,686 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2022-07-21 13:41:21,687 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2022-07-21 13:41:21,687 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2022-07-21 13:41:21,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 13:41:21,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 13:41:21,687 INFO L130 BoogieDeclarations]: Found specification of procedure dget [2022-07-21 13:41:21,687 INFO L138 BoogieDeclarations]: Found implementation of procedure dget [2022-07-21 13:41:21,688 INFO L130 BoogieDeclarations]: Found specification of procedure copy_strings_kernel [2022-07-21 13:41:21,688 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_strings_kernel [2022-07-21 13:41:21,688 INFO L130 BoogieDeclarations]: Found specification of procedure simple_statfs [2022-07-21 13:41:21,688 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_statfs [2022-07-21 13:41:21,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 13:41:21,688 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 13:41:21,688 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-21 13:41:21,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-21 13:41:21,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 13:41:21,689 INFO L130 BoogieDeclarations]: Found specification of procedure kill_node [2022-07-21 13:41:21,689 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_node [2022-07-21 13:41:21,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2022-07-21 13:41:21,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2022-07-21 13:41:21,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 13:41:21,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 13:41:21,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-21 13:41:21,690 INFO L130 BoogieDeclarations]: Found specification of procedure allow_write_access [2022-07-21 13:41:21,690 INFO L138 BoogieDeclarations]: Found implementation of procedure allow_write_access [2022-07-21 13:41:21,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 13:41:21,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 13:41:21,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-21 13:41:21,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-21 13:41:21,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_exit_misc_binfmt_7_2 [2022-07-21 13:41:21,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_exit_misc_binfmt_7_2 [2022-07-21 13:41:21,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 13:41:21,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 13:41:21,692 INFO L130 BoogieDeclarations]: Found specification of procedure bm_evict_inode [2022-07-21 13:41:21,692 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_evict_inode [2022-07-21 13:41:21,693 INFO L130 BoogieDeclarations]: Found specification of procedure kill_litter_super [2022-07-21 13:41:21,693 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_litter_super [2022-07-21 13:41:21,693 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2022-07-21 13:41:21,693 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2022-07-21 13:41:21,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-21 13:41:21,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-21 13:41:21,693 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-21 13:41:21,694 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-21 13:41:21,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-21 13:41:21,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-21 13:41:21,694 INFO L130 BoogieDeclarations]: Found specification of procedure parse_command [2022-07-21 13:41:21,695 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_command [2022-07-21 13:41:21,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 13:41:21,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-21 13:41:21,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-21 13:41:21,695 INFO L130 BoogieDeclarations]: Found specification of procedure bm_register_write [2022-07-21 13:41:21,695 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_register_write [2022-07-21 13:41:21,696 INFO L130 BoogieDeclarations]: Found specification of procedure bm_entry_read [2022-07-21 13:41:21,696 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_entry_read [2022-07-21 13:41:21,696 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-21 13:41:21,696 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-21 13:41:21,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-21 13:41:21,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-21 13:41:21,697 INFO L130 BoogieDeclarations]: Found specification of procedure bm_status_write [2022-07-21 13:41:21,697 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_status_write [2022-07-21 13:41:21,697 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 13:41:21,697 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 13:41:21,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-21 13:41:21,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-21 13:41:21,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 13:41:21,698 INFO L130 BoogieDeclarations]: Found specification of procedure scanarg [2022-07-21 13:41:21,698 INFO L138 BoogieDeclarations]: Found implementation of procedure scanarg [2022-07-21 13:41:21,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 13:41:21,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 13:41:21,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 13:41:21,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-21 13:41:21,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-21 13:41:21,699 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2022-07-21 13:41:21,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-21 13:41:21,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-21 13:41:21,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-21 13:41:21,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-21 13:41:21,700 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2022-07-21 13:41:21,700 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2022-07-21 13:41:21,700 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-21 13:41:21,701 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-21 13:41:21,701 INFO L130 BoogieDeclarations]: Found specification of procedure bm_entry_write [2022-07-21 13:41:21,701 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_entry_write [2022-07-21 13:41:21,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 13:41:21,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 13:41:21,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 13:41:21,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 13:41:21,702 INFO L130 BoogieDeclarations]: Found specification of procedure string_unescape_inplace [2022-07-21 13:41:21,703 INFO L138 BoogieDeclarations]: Found implementation of procedure string_unescape_inplace [2022-07-21 13:41:21,703 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2022-07-21 13:41:21,703 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2022-07-21 13:41:21,703 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-21 13:41:21,703 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-21 13:41:21,704 INFO L130 BoogieDeclarations]: Found specification of procedure bm_status_read [2022-07-21 13:41:21,704 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_status_read [2022-07-21 13:41:21,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 13:41:21,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 13:41:21,704 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-21 13:41:21,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-21 13:41:21,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 13:41:21,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-21 13:41:21,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-21 13:41:21,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 13:41:21,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 13:41:21,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2022-07-21 13:41:21,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2022-07-21 13:41:21,707 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-21 13:41:21,707 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-21 13:41:22,272 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 13:41:22,275 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 13:41:22,433 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 13:41:23,971 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-21 13:41:24,043 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 13:41:24,056 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 13:41:24,056 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 13:41:24,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:41:24 BoogieIcfgContainer [2022-07-21 13:41:24,059 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 13:41:24,061 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 13:41:24,061 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 13:41:24,064 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 13:41:24,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:41:19" (1/3) ... [2022-07-21 13:41:24,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52221089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:41:24, skipping insertion in model container [2022-07-21 13:41:24,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:41:21" (2/3) ... [2022-07-21 13:41:24,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52221089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:41:24, skipping insertion in model container [2022-07-21 13:41:24,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:41:24" (3/3) ... [2022-07-21 13:41:24,066 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-binfmt_misc.cil.i [2022-07-21 13:41:24,078 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 13:41:24,079 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-21 13:41:24,137 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 13:41:24,143 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3864544, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6684a60f [2022-07-21 13:41:24,144 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-21 13:41:24,151 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) [2022-07-21 13:41:24,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2022-07-21 13:41:24,174 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:41:24,176 INFO L195 NwaCegarLoop]: 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] [2022-07-21 13:41:24,176 INFO L420 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)] === [2022-07-21 13:41:24,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:41:24,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1262322770, now seen corresponding path program 1 times [2022-07-21 13:41:24,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:41:24,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358809000] [2022-07-21 13:41:24,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:41:24,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:41:24,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:24,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:41:24,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:24,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:24,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:24,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:41:24,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:24,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:24,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:24,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:41:24,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:24,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:24,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:24,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:41:24,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:24,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:24,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:24,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:41:24,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:24,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:24,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:24,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:41:24,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:24,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:24,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:24,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:41:24,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:24,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:24,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:24,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:41:24,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:24,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:24,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:41:24,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:24,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:24,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:24,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:41:24,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:24,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:24,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:24,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:41:25,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:25,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:25,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:25,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:41:25,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:25,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:25,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:25,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 13:41:25,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:25,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:25,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:25,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:41:25,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:25,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:25,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:25,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 13:41:25,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:25,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:25,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:25,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 13:41:25,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:25,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:25,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:25,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 13:41:25,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:25,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:25,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:25,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 13:41:25,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:25,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:25,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:25,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:41:25,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:25,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:25,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:25,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 13:41:25,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:25,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:25,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:25,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 13:41:25,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:25,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:25,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:25,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 13:41:25,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:25,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:25,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:25,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 13:41:25,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:25,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:25,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:25,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 13:41:25,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:25,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:25,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:25,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-21 13:41:25,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:25,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-21 13:41:25,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:25,243 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2556 trivial. 0 not checked. [2022-07-21 13:41:25,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:41:25,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358809000] [2022-07-21 13:41:25,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358809000] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:41:25,245 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:41:25,245 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 13:41:25,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022977953] [2022-07-21 13:41:25,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:41:25,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 13:41:25,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:41:25,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 13:41:25,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 13:41:25,279 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) [2022-07-21 13:41:26,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:41:26,806 INFO L93 Difference]: Finished difference Result 2799 states and 3984 transitions. [2022-07-21 13:41:26,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 13:41:26,809 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 [2022-07-21 13:41:26,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:41:26,836 INFO L225 Difference]: With dead ends: 2799 [2022-07-21 13:41:26,836 INFO L226 Difference]: Without dead ends: 1839 [2022-07-21 13:41:26,849 INFO L412 NwaCegarLoop]: 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 [2022-07-21 13:41:26,852 INFO L413 NwaCegarLoop]: 1522 mSDtfsCounter, 1490 mSDsluCounter, 1667 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 489 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1630 SdHoareTripleChecker+Valid, 3189 SdHoareTripleChecker+Invalid, 1300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 489 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-21 13:41:26,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1630 Valid, 3189 Invalid, 1300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [489 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-21 13:41:26,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1839 states. [2022-07-21 13:41:27,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1839 to 1831. [2022-07-21 13:41:27,027 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) [2022-07-21 13:41:27,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1831 states to 1831 states and 2551 transitions. [2022-07-21 13:41:27,043 INFO L78 Accepts]: Start accepts. Automaton has 1831 states and 2551 transitions. Word has length 294 [2022-07-21 13:41:27,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:41:27,045 INFO L495 AbstractCegarLoop]: Abstraction has 1831 states and 2551 transitions. [2022-07-21 13:41:27,045 INFO L496 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) [2022-07-21 13:41:27,045 INFO L276 IsEmpty]: Start isEmpty. Operand 1831 states and 2551 transitions. [2022-07-21 13:41:27,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2022-07-21 13:41:27,064 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:41:27,065 INFO L195 NwaCegarLoop]: 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] [2022-07-21 13:41:27,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 13:41:27,065 INFO L420 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)] === [2022-07-21 13:41:27,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:41:27,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1242890109, now seen corresponding path program 1 times [2022-07-21 13:41:27,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:41:27,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697532836] [2022-07-21 13:41:27,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:41:27,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:41:27,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:41:27,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:27,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:41:27,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:27,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:41:27,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:27,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:41:27,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:27,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:41:27,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:27,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:41:27,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:41:27,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:27,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:41:27,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:27,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:41:27,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:27,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:41:27,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:27,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:41:27,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:27,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:41:27,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:27,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 13:41:27,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:41:27,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:27,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 13:41:27,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:27,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 13:41:27,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:27,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 13:41:27,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:27,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 13:41:27,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:27,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:41:27,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:27,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 13:41:27,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:27,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 13:41:27,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:27,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 13:41:27,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:27,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 13:41:27,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 13:41:27,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:27,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-21 13:41:27,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-21 13:41:27,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:27,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:41:27,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:41:27,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-21 13:41:27,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:27,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:41:27,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:41:27,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-07-21 13:41:27,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-21 13:41:27,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:27,722 INFO L134 CoverageAnalysis]: Checked inductivity of 2591 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2591 trivial. 0 not checked. [2022-07-21 13:41:27,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:41:27,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697532836] [2022-07-21 13:41:27,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697532836] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:41:27,723 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:41:27,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 13:41:27,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682325685] [2022-07-21 13:41:27,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:41:27,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 13:41:27,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:41:27,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 13:41:27,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 13:41:27,728 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) [2022-07-21 13:41:29,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:41:29,108 INFO L93 Difference]: Finished difference Result 4097 states and 5670 transitions. [2022-07-21 13:41:29,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 13:41:29,109 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 [2022-07-21 13:41:29,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:41:29,124 INFO L225 Difference]: With dead ends: 4097 [2022-07-21 13:41:29,125 INFO L226 Difference]: Without dead ends: 2319 [2022-07-21 13:41:29,131 INFO L412 NwaCegarLoop]: 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 [2022-07-21 13:41:29,132 INFO L413 NwaCegarLoop]: 1459 mSDtfsCounter, 1201 mSDsluCounter, 1647 mSDsCounter, 0 mSdLazyCounter, 799 mSolverCounterSat, 451 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1310 SdHoareTripleChecker+Valid, 3106 SdHoareTripleChecker+Invalid, 1250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 451 IncrementalHoareTripleChecker+Valid, 799 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-21 13:41:29,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1310 Valid, 3106 Invalid, 1250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [451 Valid, 799 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-21 13:41:29,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2319 states. [2022-07-21 13:41:29,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2319 to 2293. [2022-07-21 13:41:29,222 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) [2022-07-21 13:41:29,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2293 states to 2293 states and 3121 transitions. [2022-07-21 13:41:29,236 INFO L78 Accepts]: Start accepts. Automaton has 2293 states and 3121 transitions. Word has length 360 [2022-07-21 13:41:29,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:41:29,237 INFO L495 AbstractCegarLoop]: Abstraction has 2293 states and 3121 transitions. [2022-07-21 13:41:29,237 INFO L496 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) [2022-07-21 13:41:29,237 INFO L276 IsEmpty]: Start isEmpty. Operand 2293 states and 3121 transitions. [2022-07-21 13:41:29,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2022-07-21 13:41:29,244 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:41:29,244 INFO L195 NwaCegarLoop]: 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] [2022-07-21 13:41:29,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 13:41:29,245 INFO L420 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)] === [2022-07-21 13:41:29,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:41:29,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1601292210, now seen corresponding path program 1 times [2022-07-21 13:41:29,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:41:29,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021460542] [2022-07-21 13:41:29,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:41:29,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:41:29,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:41:29,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:29,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:41:29,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:29,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:41:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:29,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:41:29,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:29,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:41:29,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:29,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:41:29,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:29,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:41:29,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:29,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:41:29,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:29,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:41:29,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:29,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:41:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:41:29,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:29,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:41:29,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:29,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 13:41:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:29,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:41:29,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:29,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 13:41:29,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:29,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 13:41:29,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 13:41:29,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:29,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 13:41:29,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:29,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:41:29,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 13:41:29,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:29,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 13:41:29,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:29,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 13:41:29,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:29,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 13:41:29,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:29,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 13:41:29,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:29,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-21 13:41:29,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-21 13:41:29,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:29,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:41:29,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:41:29,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-21 13:41:29,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:29,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:41:29,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:41:29,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-07-21 13:41:29,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-21 13:41:29,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-21 13:41:29,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:29,783 INFO L134 CoverageAnalysis]: Checked inductivity of 2607 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2607 trivial. 0 not checked. [2022-07-21 13:41:29,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:41:29,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021460542] [2022-07-21 13:41:29,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021460542] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:41:29,784 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:41:29,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 13:41:29,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190344514] [2022-07-21 13:41:29,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:41:29,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 13:41:29,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:41:29,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 13:41:29,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 13:41:29,786 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) [2022-07-21 13:41:31,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:41:31,264 INFO L93 Difference]: Finished difference Result 5908 states and 8040 transitions. [2022-07-21 13:41:31,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 13:41:31,265 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 [2022-07-21 13:41:31,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:41:31,292 INFO L225 Difference]: With dead ends: 5908 [2022-07-21 13:41:31,293 INFO L226 Difference]: Without dead ends: 3668 [2022-07-21 13:41:31,302 INFO L412 NwaCegarLoop]: 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 [2022-07-21 13:41:31,308 INFO L413 NwaCegarLoop]: 1549 mSDtfsCounter, 1432 mSDsluCounter, 1690 mSDsCounter, 0 mSdLazyCounter, 825 mSolverCounterSat, 469 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1567 SdHoareTripleChecker+Valid, 3239 SdHoareTripleChecker+Invalid, 1294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 469 IncrementalHoareTripleChecker+Valid, 825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-21 13:41:31,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1567 Valid, 3239 Invalid, 1294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [469 Valid, 825 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-21 13:41:31,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3668 states. [2022-07-21 13:41:31,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3668 to 3636. [2022-07-21 13:41:31,448 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) [2022-07-21 13:41:31,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3636 states to 3636 states and 4900 transitions. [2022-07-21 13:41:31,470 INFO L78 Accepts]: Start accepts. Automaton has 3636 states and 4900 transitions. Word has length 363 [2022-07-21 13:41:31,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:41:31,473 INFO L495 AbstractCegarLoop]: Abstraction has 3636 states and 4900 transitions. [2022-07-21 13:41:31,473 INFO L496 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) [2022-07-21 13:41:31,473 INFO L276 IsEmpty]: Start isEmpty. Operand 3636 states and 4900 transitions. [2022-07-21 13:41:31,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2022-07-21 13:41:31,480 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:41:31,481 INFO L195 NwaCegarLoop]: 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] [2022-07-21 13:41:31,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 13:41:31,481 INFO L420 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)] === [2022-07-21 13:41:31,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:41:31,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1615045178, now seen corresponding path program 1 times [2022-07-21 13:41:31,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:41:31,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563663919] [2022-07-21 13:41:31,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:41:31,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:41:31,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:31,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:41:31,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:31,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:31,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:31,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:41:31,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:31,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:31,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:31,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:41:31,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:31,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:31,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:31,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:41:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:31,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:31,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:31,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:41:31,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:31,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:31,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:31,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:41:31,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:31,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:31,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:31,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:41:31,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:31,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:31,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:31,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:41:31,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:31,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:31,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:31,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:41:31,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:31,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:31,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:31,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:41:31,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:31,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:31,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:31,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:41:31,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:31,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:31,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:31,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:41:31,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:31,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:31,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:31,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 13:41:31,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:31,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:31,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:31,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:41:31,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:31,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:31,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:31,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 13:41:31,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:31,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:31,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:31,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 13:41:31,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:31,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:31,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:31,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 13:41:31,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:32,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:32,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:32,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 13:41:32,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:32,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:32,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:32,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:41:32,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:32,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:32,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:32,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 13:41:32,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:32,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:32,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:32,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 13:41:32,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:32,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:32,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:32,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 13:41:32,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:32,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:32,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:32,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 13:41:32,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:32,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:32,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:32,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 13:41:32,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:32,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:32,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:32,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-21 13:41:32,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:32,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-07-21 13:41:32,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:32,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-21 13:41:32,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:32,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 13:41:32,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:32,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-21 13:41:32,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:32,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:32,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:32,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 13:41:32,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:32,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-21 13:41:32,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:32,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-21 13:41:32,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:32,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2826 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2826 trivial. 0 not checked. [2022-07-21 13:41:32,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:41:32,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563663919] [2022-07-21 13:41:32,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563663919] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:41:32,136 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:41:32,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 13:41:32,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141712316] [2022-07-21 13:41:32,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:41:32,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 13:41:32,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:41:32,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 13:41:32,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 13:41:32,138 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) [2022-07-21 13:41:33,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:41:33,312 INFO L93 Difference]: Finished difference Result 3759 states and 5054 transitions. [2022-07-21 13:41:33,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 13:41:33,313 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 [2022-07-21 13:41:33,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:41:33,334 INFO L225 Difference]: With dead ends: 3759 [2022-07-21 13:41:33,335 INFO L226 Difference]: Without dead ends: 3757 [2022-07-21 13:41:33,337 INFO L412 NwaCegarLoop]: 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 [2022-07-21 13:41:33,343 INFO L413 NwaCegarLoop]: 1342 mSDtfsCounter, 1286 mSDsluCounter, 2715 mSDsCounter, 0 mSdLazyCounter, 1129 mSolverCounterSat, 300 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1393 SdHoareTripleChecker+Valid, 4057 SdHoareTripleChecker+Invalid, 1429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 300 IncrementalHoareTripleChecker+Valid, 1129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-21 13:41:33,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1393 Valid, 4057 Invalid, 1429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [300 Valid, 1129 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-21 13:41:33,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3757 states. [2022-07-21 13:41:33,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3757 to 3743. [2022-07-21 13:41:33,484 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) [2022-07-21 13:41:33,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3743 states to 3743 states and 5005 transitions. [2022-07-21 13:41:33,498 INFO L78 Accepts]: Start accepts. Automaton has 3743 states and 5005 transitions. Word has length 354 [2022-07-21 13:41:33,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:41:33,499 INFO L495 AbstractCegarLoop]: Abstraction has 3743 states and 5005 transitions. [2022-07-21 13:41:33,499 INFO L496 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) [2022-07-21 13:41:33,499 INFO L276 IsEmpty]: Start isEmpty. Operand 3743 states and 5005 transitions. [2022-07-21 13:41:33,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2022-07-21 13:41:33,506 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:41:33,506 INFO L195 NwaCegarLoop]: 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] [2022-07-21 13:41:33,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 13:41:33,507 INFO L420 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)] === [2022-07-21 13:41:33,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:41:33,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1102576270, now seen corresponding path program 1 times [2022-07-21 13:41:33,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:41:33,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479260125] [2022-07-21 13:41:33,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:41:33,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:41:33,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:41:33,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:33,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:41:33,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:33,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:41:33,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:33,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:41:33,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:33,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:41:33,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:33,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:41:33,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:33,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:41:33,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:33,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:41:33,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:33,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:41:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:33,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:41:33,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:33,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:41:33,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:33,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:41:33,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:33,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 13:41:33,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:33,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:41:33,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:33,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 13:41:33,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:33,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 13:41:33,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:33,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 13:41:33,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:33,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 13:41:33,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:33,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:41:33,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:33,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 13:41:33,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:33,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 13:41:33,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:33,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 13:41:33,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:33,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 13:41:33,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:33,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 13:41:33,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-21 13:41:33,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-21 13:41:33,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:33,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:41:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:41:33,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-21 13:41:33,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:33,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:41:33,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:41:33,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-21 13:41:33,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-21 13:41:33,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-07-21 13:41:33,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-07-21 13:41:33,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:33,985 INFO L134 CoverageAnalysis]: Checked inductivity of 2607 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2607 trivial. 0 not checked. [2022-07-21 13:41:33,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:41:33,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479260125] [2022-07-21 13:41:33,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479260125] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:41:33,986 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:41:33,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 13:41:33,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484094193] [2022-07-21 13:41:33,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:41:33,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 13:41:33,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:41:33,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 13:41:33,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 13:41:33,988 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) [2022-07-21 13:41:35,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:41:35,461 INFO L93 Difference]: Finished difference Result 9876 states and 13230 transitions. [2022-07-21 13:41:35,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 13:41:35,462 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 [2022-07-21 13:41:35,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:41:35,493 INFO L225 Difference]: With dead ends: 9876 [2022-07-21 13:41:35,493 INFO L226 Difference]: Without dead ends: 6186 [2022-07-21 13:41:35,507 INFO L412 NwaCegarLoop]: 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 [2022-07-21 13:41:35,507 INFO L413 NwaCegarLoop]: 1621 mSDtfsCounter, 1417 mSDsluCounter, 1723 mSDsCounter, 0 mSdLazyCounter, 825 mSolverCounterSat, 447 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1552 SdHoareTripleChecker+Valid, 3344 SdHoareTripleChecker+Invalid, 1272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 447 IncrementalHoareTripleChecker+Valid, 825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-21 13:41:35,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1552 Valid, 3344 Invalid, 1272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [447 Valid, 825 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-21 13:41:35,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6186 states. [2022-07-21 13:41:35,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6186 to 6138. [2022-07-21 13:41:35,742 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) [2022-07-21 13:41:35,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6138 states to 6138 states and 8165 transitions. [2022-07-21 13:41:35,768 INFO L78 Accepts]: Start accepts. Automaton has 6138 states and 8165 transitions. Word has length 366 [2022-07-21 13:41:35,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:41:35,768 INFO L495 AbstractCegarLoop]: Abstraction has 6138 states and 8165 transitions. [2022-07-21 13:41:35,769 INFO L496 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) [2022-07-21 13:41:35,770 INFO L276 IsEmpty]: Start isEmpty. Operand 6138 states and 8165 transitions. [2022-07-21 13:41:35,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2022-07-21 13:41:35,775 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:41:35,775 INFO L195 NwaCegarLoop]: 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] [2022-07-21 13:41:35,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 13:41:35,776 INFO L420 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)] === [2022-07-21 13:41:35,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:41:35,776 INFO L85 PathProgramCache]: Analyzing trace with hash -2121529752, now seen corresponding path program 1 times [2022-07-21 13:41:35,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:41:35,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015516653] [2022-07-21 13:41:35,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:41:35,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:41:35,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:35,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:41:35,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:35,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:35,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:35,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:41:35,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:35,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:35,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:41:36,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:36,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:41:36,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:36,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:41:36,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:36,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:41:36,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:36,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:41:36,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:41:36,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:36,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:41:36,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:36,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:41:36,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:36,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:41:36,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:36,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:41:36,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:36,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 13:41:36,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:36,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:41:36,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:36,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 13:41:36,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:36,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 13:41:36,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:36,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 13:41:36,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:36,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 13:41:36,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:36,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:41:36,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:36,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 13:41:36,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:36,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 13:41:36,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:36,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 13:41:36,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:36,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 13:41:36,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:36,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 13:41:36,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:36,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-21 13:41:36,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-07-21 13:41:36,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-21 13:41:36,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 13:41:36,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-21 13:41:36,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:36,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 13:41:36,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-21 13:41:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-21 13:41:36,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-21 13:41:36,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:36,284 INFO L134 CoverageAnalysis]: Checked inductivity of 2828 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2826 trivial. 0 not checked. [2022-07-21 13:41:36,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:41:36,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015516653] [2022-07-21 13:41:36,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015516653] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:41:36,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:41:36,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 13:41:36,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438018760] [2022-07-21 13:41:36,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:41:36,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 13:41:36,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:41:36,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 13:41:36,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 13:41:36,288 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) [2022-07-21 13:41:37,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:41:37,457 INFO L93 Difference]: Finished difference Result 6170 states and 8237 transitions. [2022-07-21 13:41:37,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 13:41:37,457 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 [2022-07-21 13:41:37,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:41:37,489 INFO L225 Difference]: With dead ends: 6170 [2022-07-21 13:41:37,489 INFO L226 Difference]: Without dead ends: 6166 [2022-07-21 13:41:37,495 INFO L412 NwaCegarLoop]: 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 [2022-07-21 13:41:37,496 INFO L413 NwaCegarLoop]: 1337 mSDtfsCounter, 1338 mSDsluCounter, 2643 mSDsCounter, 0 mSdLazyCounter, 1024 mSolverCounterSat, 299 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1455 SdHoareTripleChecker+Valid, 3980 SdHoareTripleChecker+Invalid, 1323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 299 IncrementalHoareTripleChecker+Valid, 1024 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-21 13:41:37,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1455 Valid, 3980 Invalid, 1323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [299 Valid, 1024 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-21 13:41:37,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6166 states. [2022-07-21 13:41:37,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6166 to 6140. [2022-07-21 13:41:37,762 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) [2022-07-21 13:41:37,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6140 states to 6140 states and 8166 transitions. [2022-07-21 13:41:37,784 INFO L78 Accepts]: Start accepts. Automaton has 6140 states and 8166 transitions. Word has length 359 [2022-07-21 13:41:37,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:41:37,786 INFO L495 AbstractCegarLoop]: Abstraction has 6140 states and 8166 transitions. [2022-07-21 13:41:37,786 INFO L496 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) [2022-07-21 13:41:37,786 INFO L276 IsEmpty]: Start isEmpty. Operand 6140 states and 8166 transitions. [2022-07-21 13:41:37,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2022-07-21 13:41:37,792 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:41:37,793 INFO L195 NwaCegarLoop]: 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] [2022-07-21 13:41:37,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 13:41:37,793 INFO L420 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)] === [2022-07-21 13:41:37,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:41:37,794 INFO L85 PathProgramCache]: Analyzing trace with hash -528603462, now seen corresponding path program 1 times [2022-07-21 13:41:37,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:41:37,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703233833] [2022-07-21 13:41:37,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:41:37,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:41:37,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:37,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:41:37,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:37,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:37,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:37,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:41:37,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:37,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:38,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:41:38,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:38,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:41:38,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:38,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:41:38,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:38,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:41:38,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:38,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:41:38,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:38,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:41:38,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:38,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:41:38,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:38,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:41:38,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:38,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:41:38,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:38,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:41:38,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:38,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 13:41:38,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:38,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:41:38,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:38,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 13:41:38,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:38,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 13:41:38,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:38,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 13:41:38,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:38,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 13:41:38,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:38,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:41:38,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:38,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 13:41:38,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:38,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 13:41:38,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:38,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 13:41:38,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:38,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 13:41:38,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:38,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 13:41:38,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:38,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-21 13:41:38,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-07-21 13:41:38,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-21 13:41:38,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 13:41:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-21 13:41:38,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:38,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 13:41:38,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-21 13:41:38,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-21 13:41:38,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-21 13:41:38,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-21 13:41:38,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:38,265 INFO L134 CoverageAnalysis]: Checked inductivity of 2834 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2830 trivial. 0 not checked. [2022-07-21 13:41:38,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:41:38,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703233833] [2022-07-21 13:41:38,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703233833] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:41:38,266 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:41:38,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 13:41:38,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385645158] [2022-07-21 13:41:38,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:41:38,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 13:41:38,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:41:38,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 13:41:38,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 13:41:38,267 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) [2022-07-21 13:41:39,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:41:39,476 INFO L93 Difference]: Finished difference Result 6166 states and 8233 transitions. [2022-07-21 13:41:39,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 13:41:39,477 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 [2022-07-21 13:41:39,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:41:39,509 INFO L225 Difference]: With dead ends: 6166 [2022-07-21 13:41:39,509 INFO L226 Difference]: Without dead ends: 6012 [2022-07-21 13:41:39,514 INFO L412 NwaCegarLoop]: 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 [2022-07-21 13:41:39,515 INFO L413 NwaCegarLoop]: 1334 mSDtfsCounter, 1332 mSDsluCounter, 2643 mSDsCounter, 0 mSdLazyCounter, 1019 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1449 SdHoareTripleChecker+Valid, 3977 SdHoareTripleChecker+Invalid, 1317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 1019 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-21 13:41:39,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1449 Valid, 3977 Invalid, 1317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 1019 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-21 13:41:39,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6012 states. [2022-07-21 13:41:39,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6012 to 5986. [2022-07-21 13:41:39,724 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) [2022-07-21 13:41:39,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5986 states to 5986 states and 7949 transitions. [2022-07-21 13:41:39,744 INFO L78 Accepts]: Start accepts. Automaton has 5986 states and 7949 transitions. Word has length 364 [2022-07-21 13:41:39,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:41:39,745 INFO L495 AbstractCegarLoop]: Abstraction has 5986 states and 7949 transitions. [2022-07-21 13:41:39,745 INFO L496 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) [2022-07-21 13:41:39,745 INFO L276 IsEmpty]: Start isEmpty. Operand 5986 states and 7949 transitions. [2022-07-21 13:41:39,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2022-07-21 13:41:39,764 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:41:39,764 INFO L195 NwaCegarLoop]: 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] [2022-07-21 13:41:39,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 13:41:39,765 INFO L420 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)] === [2022-07-21 13:41:39,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:41:39,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1514752963, now seen corresponding path program 1 times [2022-07-21 13:41:39,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:41:39,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863828819] [2022-07-21 13:41:39,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:41:39,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:41:39,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:39,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:41:39,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:39,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:39,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:39,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:41:39,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:39,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:39,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:39,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:41:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:39,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:39,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:39,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:41:39,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:39,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:39,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:39,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:41:39,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:39,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:39,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:39,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:41:39,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:39,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:39,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:41:39,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:39,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:39,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:39,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:41:39,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:39,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:39,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:39,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:41:39,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:39,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:39,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:39,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:41:39,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:39,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:39,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:39,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:41:40,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:40,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:40,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:40,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:41:40,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:40,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:40,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:40,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 13:41:40,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:40,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:40,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:40,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:41:40,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:40,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:40,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:40,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 13:41:40,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:40,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:40,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:40,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 13:41:40,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:40,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:40,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:40,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 13:41:40,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:40,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:40,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:40,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 13:41:40,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:40,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:40,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:40,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:41:40,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:40,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:40,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:40,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 13:41:40,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:40,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:40,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:40,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 13:41:40,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:40,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:40,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 13:41:40,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:40,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:40,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 13:41:40,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:40,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:40,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:40,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 13:41:40,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:40,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:40,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:40,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-21 13:41:40,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:40,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-07-21 13:41:40,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:40,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-21 13:41:40,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:40,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 13:41:40,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:40,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-21 13:41:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:40,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:40,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:40,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 13:41:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:40,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-21 13:41:40,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:40,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-21 13:41:40,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:40,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-07-21 13:41:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:40,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-21 13:41:40,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:40,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:40,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:40,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:41:40,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:40,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:41:40,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:40,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-21 13:41:40,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:40,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:40,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:40,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:41:40,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:40,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:41:40,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:40,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-07-21 13:41:40,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:40,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-21 13:41:40,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:40,242 INFO L134 CoverageAnalysis]: Checked inductivity of 3014 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2997 trivial. 0 not checked. [2022-07-21 13:41:40,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:41:40,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863828819] [2022-07-21 13:41:40,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863828819] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:41:40,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:41:40,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 13:41:40,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792202448] [2022-07-21 13:41:40,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:41:40,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 13:41:40,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:41:40,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 13:41:40,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 13:41:40,244 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) [2022-07-21 13:41:41,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:41:41,524 INFO L93 Difference]: Finished difference Result 16920 states and 22554 transitions. [2022-07-21 13:41:41,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 13:41:41,528 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 [2022-07-21 13:41:41,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:41:41,586 INFO L225 Difference]: With dead ends: 16920 [2022-07-21 13:41:41,586 INFO L226 Difference]: Without dead ends: 10906 [2022-07-21 13:41:41,616 INFO L412 NwaCegarLoop]: 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 [2022-07-21 13:41:41,617 INFO L413 NwaCegarLoop]: 2443 mSDtfsCounter, 1226 mSDsluCounter, 2249 mSDsCounter, 0 mSdLazyCounter, 796 mSolverCounterSat, 281 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1355 SdHoareTripleChecker+Valid, 4692 SdHoareTripleChecker+Invalid, 1077 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 281 IncrementalHoareTripleChecker+Valid, 796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-21 13:41:41,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1355 Valid, 4692 Invalid, 1077 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [281 Valid, 796 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-21 13:41:41,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10906 states. [2022-07-21 13:41:42,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10906 to 10854. [2022-07-21 13:41:42,088 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) [2022-07-21 13:41:42,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10854 states to 10854 states and 14436 transitions. [2022-07-21 13:41:42,133 INFO L78 Accepts]: Start accepts. Automaton has 10854 states and 14436 transitions. Word has length 444 [2022-07-21 13:41:42,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:41:42,134 INFO L495 AbstractCegarLoop]: Abstraction has 10854 states and 14436 transitions. [2022-07-21 13:41:42,134 INFO L496 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) [2022-07-21 13:41:42,134 INFO L276 IsEmpty]: Start isEmpty. Operand 10854 states and 14436 transitions. [2022-07-21 13:41:42,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2022-07-21 13:41:42,152 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:41:42,152 INFO L195 NwaCegarLoop]: 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] [2022-07-21 13:41:42,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-21 13:41:42,153 INFO L420 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)] === [2022-07-21 13:41:42,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:41:42,153 INFO L85 PathProgramCache]: Analyzing trace with hash 207249723, now seen corresponding path program 1 times [2022-07-21 13:41:42,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:41:42,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138729606] [2022-07-21 13:41:42,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:41:42,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:41:42,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:41:42,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:42,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:41:42,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:42,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:41:42,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:41:42,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:42,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:41:42,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:42,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:41:42,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:42,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:41:42,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:42,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:41:42,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:42,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:41:42,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:42,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:41:42,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:42,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:41:42,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:42,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:41:42,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:42,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 13:41:42,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:42,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:41:42,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:42,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 13:41:42,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:42,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 13:41:42,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:42,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 13:41:42,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:42,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 13:41:42,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:42,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:41:42,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:42,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 13:41:42,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:42,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 13:41:42,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:42,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 13:41:42,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:42,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 13:41:42,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:42,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 13:41:42,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:42,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-21 13:41:42,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-07-21 13:41:42,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-21 13:41:42,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 13:41:42,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-21 13:41:42,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 13:41:42,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-21 13:41:42,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-21 13:41:42,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-07-21 13:41:42,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-21 13:41:42,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:42,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:41:42,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:41:42,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-21 13:41:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:42,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:41:42,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:41:42,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-07-21 13:41:42,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-21 13:41:42,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:42,732 INFO L134 CoverageAnalysis]: Checked inductivity of 3014 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2997 trivial. 0 not checked. [2022-07-21 13:41:42,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:41:42,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138729606] [2022-07-21 13:41:42,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138729606] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:41:42,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:41:42,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 13:41:42,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475084746] [2022-07-21 13:41:42,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:41:42,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 13:41:42,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:41:42,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 13:41:42,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 13:41:42,737 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) [2022-07-21 13:41:44,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:41:44,316 INFO L93 Difference]: Finished difference Result 26670 states and 35557 transitions. [2022-07-21 13:41:44,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 13:41:44,316 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 [2022-07-21 13:41:44,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:41:44,388 INFO L225 Difference]: With dead ends: 26670 [2022-07-21 13:41:44,388 INFO L226 Difference]: Without dead ends: 16135 [2022-07-21 13:41:44,429 INFO L412 NwaCegarLoop]: 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 [2022-07-21 13:41:44,430 INFO L413 NwaCegarLoop]: 2442 mSDtfsCounter, 1229 mSDsluCounter, 2245 mSDsCounter, 0 mSdLazyCounter, 793 mSolverCounterSat, 281 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1360 SdHoareTripleChecker+Valid, 4687 SdHoareTripleChecker+Invalid, 1074 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 281 IncrementalHoareTripleChecker+Valid, 793 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-21 13:41:44,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1360 Valid, 4687 Invalid, 1074 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [281 Valid, 793 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-21 13:41:44,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16135 states. [2022-07-21 13:41:45,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16135 to 16059. [2022-07-21 13:41:45,106 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) [2022-07-21 13:41:45,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16059 states to 16059 states and 21346 transitions. [2022-07-21 13:41:45,165 INFO L78 Accepts]: Start accepts. Automaton has 16059 states and 21346 transitions. Word has length 444 [2022-07-21 13:41:45,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:41:45,165 INFO L495 AbstractCegarLoop]: Abstraction has 16059 states and 21346 transitions. [2022-07-21 13:41:45,166 INFO L496 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) [2022-07-21 13:41:45,166 INFO L276 IsEmpty]: Start isEmpty. Operand 16059 states and 21346 transitions. [2022-07-21 13:41:45,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2022-07-21 13:41:45,182 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:41:45,182 INFO L195 NwaCegarLoop]: 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] [2022-07-21 13:41:45,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-21 13:41:45,183 INFO L420 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)] === [2022-07-21 13:41:45,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:41:45,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1639829499, now seen corresponding path program 1 times [2022-07-21 13:41:45,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:41:45,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340101601] [2022-07-21 13:41:45,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:41:45,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:41:45,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:41:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:45,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:41:45,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:45,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:41:45,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:45,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:41:45,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:45,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:41:45,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:45,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:41:45,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:41:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:45,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:41:45,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:45,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:41:45,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:45,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:41:45,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:45,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:41:45,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:45,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:41:45,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:45,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 13:41:45,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:45,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:41:45,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:45,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 13:41:45,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:45,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 13:41:45,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:45,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 13:41:45,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:45,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 13:41:45,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:45,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:41:45,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:45,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 13:41:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:45,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 13:41:45,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:45,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 13:41:45,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:45,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 13:41:45,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:45,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 13:41:45,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:45,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-21 13:41:45,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-07-21 13:41:45,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-21 13:41:45,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 13:41:45,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-21 13:41:45,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:45,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 13:41:45,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-21 13:41:45,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-07-21 13:41:45,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-21 13:41:45,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-21 13:41:45,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-07-21 13:41:45,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-21 13:41:45,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-21 13:41:45,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:45,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:41:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:41:45,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-07-21 13:41:45,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:45,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:41:45,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:41:45,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-07-21 13:41:45,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2022-07-21 13:41:45,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2022-07-21 13:41:45,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:45,659 INFO L134 CoverageAnalysis]: Checked inductivity of 3285 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 3253 trivial. 0 not checked. [2022-07-21 13:41:45,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:41:45,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340101601] [2022-07-21 13:41:45,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340101601] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:41:45,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:41:45,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 13:41:45,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639739887] [2022-07-21 13:41:45,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:41:45,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 13:41:45,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:41:45,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 13:41:45,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 13:41:45,662 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) [2022-07-21 13:41:47,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:41:47,438 INFO L93 Difference]: Finished difference Result 37064 states and 49337 transitions. [2022-07-21 13:41:47,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 13:41:47,439 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 [2022-07-21 13:41:47,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:41:47,550 INFO L225 Difference]: With dead ends: 37064 [2022-07-21 13:41:47,550 INFO L226 Difference]: Without dead ends: 21025 [2022-07-21 13:41:47,625 INFO L412 NwaCegarLoop]: 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 [2022-07-21 13:41:47,626 INFO L413 NwaCegarLoop]: 2430 mSDtfsCounter, 1224 mSDsluCounter, 2240 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 280 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1353 SdHoareTripleChecker+Valid, 4670 SdHoareTripleChecker+Invalid, 1064 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 280 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-21 13:41:47,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1353 Valid, 4670 Invalid, 1064 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [280 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-21 13:41:47,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21025 states. [2022-07-21 13:41:48,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21025 to 16059. [2022-07-21 13:41:48,400 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) [2022-07-21 13:41:48,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16059 states to 16059 states and 21345 transitions. [2022-07-21 13:41:48,461 INFO L78 Accepts]: Start accepts. Automaton has 16059 states and 21345 transitions. Word has length 473 [2022-07-21 13:41:48,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:41:48,462 INFO L495 AbstractCegarLoop]: Abstraction has 16059 states and 21345 transitions. [2022-07-21 13:41:48,462 INFO L496 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) [2022-07-21 13:41:48,463 INFO L276 IsEmpty]: Start isEmpty. Operand 16059 states and 21345 transitions. [2022-07-21 13:41:48,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2022-07-21 13:41:48,482 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:41:48,482 INFO L195 NwaCegarLoop]: 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] [2022-07-21 13:41:48,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-21 13:41:48,483 INFO L420 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)] === [2022-07-21 13:41:48,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:41:48,483 INFO L85 PathProgramCache]: Analyzing trace with hash 547194297, now seen corresponding path program 1 times [2022-07-21 13:41:48,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:41:48,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256126943] [2022-07-21 13:41:48,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:41:48,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:41:48,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:41:48,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:48,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:41:48,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:48,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:41:48,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:48,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:41:48,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:48,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:41:48,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:48,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:41:48,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:48,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:41:48,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:48,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:41:48,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:41:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:48,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:41:48,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:48,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:41:48,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:48,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:41:48,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:48,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 13:41:48,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:48,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:41:48,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:48,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 13:41:48,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:48,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 13:41:48,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:48,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 13:41:48,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:48,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 13:41:48,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:48,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:41:48,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:48,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 13:41:48,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:48,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 13:41:48,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:48,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 13:41:48,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:48,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 13:41:48,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:48,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 13:41:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:48,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-21 13:41:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-07-21 13:41:48,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-21 13:41:48,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 13:41:48,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-21 13:41:48,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:48,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 13:41:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-21 13:41:48,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-07-21 13:41:48,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-21 13:41:48,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-21 13:41:48,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-07-21 13:41:48,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-21 13:41:48,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-21 13:41:48,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:41:48,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:41:48,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-07-21 13:41:48,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:48,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:41:48,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:41:48,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-07-21 13:41:48,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2022-07-21 13:41:48,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2022-07-21 13:41:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:48,896 INFO L134 CoverageAnalysis]: Checked inductivity of 3285 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3274 trivial. 0 not checked. [2022-07-21 13:41:48,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:41:48,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256126943] [2022-07-21 13:41:48,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256126943] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:41:48,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:41:48,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 13:41:48,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462159653] [2022-07-21 13:41:48,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:41:48,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 13:41:48,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:41:48,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 13:41:48,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 13:41:48,900 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) [2022-07-21 13:41:50,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:41:50,706 INFO L93 Difference]: Finished difference Result 39204 states and 52191 transitions. [2022-07-21 13:41:50,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 13:41:50,706 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 [2022-07-21 13:41:50,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:41:50,800 INFO L225 Difference]: With dead ends: 39204 [2022-07-21 13:41:50,800 INFO L226 Difference]: Without dead ends: 23464 [2022-07-21 13:41:50,853 INFO L412 NwaCegarLoop]: 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 [2022-07-21 13:41:50,854 INFO L413 NwaCegarLoop]: 1795 mSDtfsCounter, 1332 mSDsluCounter, 1870 mSDsCounter, 0 mSdLazyCounter, 793 mSolverCounterSat, 405 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1461 SdHoareTripleChecker+Valid, 3665 SdHoareTripleChecker+Invalid, 1198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 405 IncrementalHoareTripleChecker+Valid, 793 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-21 13:41:50,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1461 Valid, 3665 Invalid, 1198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [405 Valid, 793 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-21 13:41:50,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23464 states. [2022-07-21 13:41:51,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23464 to 23346. [2022-07-21 13:41:51,656 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) [2022-07-21 13:41:51,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23346 states to 23346 states and 30938 transitions. [2022-07-21 13:41:51,736 INFO L78 Accepts]: Start accepts. Automaton has 23346 states and 30938 transitions. Word has length 473 [2022-07-21 13:41:51,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:41:51,737 INFO L495 AbstractCegarLoop]: Abstraction has 23346 states and 30938 transitions. [2022-07-21 13:41:51,738 INFO L496 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) [2022-07-21 13:41:51,738 INFO L276 IsEmpty]: Start isEmpty. Operand 23346 states and 30938 transitions. [2022-07-21 13:41:51,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2022-07-21 13:41:51,752 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:41:51,752 INFO L195 NwaCegarLoop]: 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] [2022-07-21 13:41:51,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-21 13:41:51,752 INFO L420 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)] === [2022-07-21 13:41:51,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:41:51,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1348492814, now seen corresponding path program 1 times [2022-07-21 13:41:51,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:41:51,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638924906] [2022-07-21 13:41:51,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:41:51,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:41:51,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:41:52,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:52,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:41:52,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:52,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:41:52,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:52,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:41:52,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:52,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:41:52,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:41:52,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:52,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:41:52,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:52,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:41:52,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:52,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:41:52,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:52,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:41:52,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:52,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:41:52,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:52,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:41:52,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:52,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 13:41:52,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:52,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:41:52,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:52,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 13:41:52,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:52,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 13:41:52,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:52,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 13:41:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:52,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 13:41:52,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:52,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:41:52,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:52,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 13:41:52,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:52,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 13:41:52,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:52,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 13:41:52,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:52,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 13:41:52,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:52,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 13:41:52,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:52,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-21 13:41:52,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-07-21 13:41:52,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-21 13:41:52,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 13:41:52,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-21 13:41:52,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:52,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 13:41:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-21 13:41:52,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-07-21 13:41:52,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-21 13:41:52,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-21 13:41:52,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-07-21 13:41:52,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-21 13:41:52,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-21 13:41:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:52,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:41:52,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:41:52,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-21 13:41:52,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:52,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:41:52,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:41:52,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-07-21 13:41:52,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-07-21 13:41:52,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:52,240 INFO L134 CoverageAnalysis]: Checked inductivity of 3249 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3238 trivial. 0 not checked. [2022-07-21 13:41:52,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:41:52,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638924906] [2022-07-21 13:41:52,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638924906] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:41:52,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:41:52,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 13:41:52,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203002284] [2022-07-21 13:41:52,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:41:52,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 13:41:52,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:41:52,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 13:41:52,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 13:41:52,244 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) [2022-07-21 13:41:54,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:41:54,274 INFO L93 Difference]: Finished difference Result 54868 states and 72663 transitions. [2022-07-21 13:41:54,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 13:41:54,275 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 [2022-07-21 13:41:54,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:41:54,403 INFO L225 Difference]: With dead ends: 54868 [2022-07-21 13:41:54,403 INFO L226 Difference]: Without dead ends: 31841 [2022-07-21 13:41:54,477 INFO L412 NwaCegarLoop]: 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 [2022-07-21 13:41:54,478 INFO L413 NwaCegarLoop]: 1795 mSDtfsCounter, 1087 mSDsluCounter, 1881 mSDsCounter, 0 mSdLazyCounter, 767 mSolverCounterSat, 364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1190 SdHoareTripleChecker+Valid, 3676 SdHoareTripleChecker+Invalid, 1131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 364 IncrementalHoareTripleChecker+Valid, 767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-21 13:41:54,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1190 Valid, 3676 Invalid, 1131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [364 Valid, 767 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-21 13:41:54,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31841 states. [2022-07-21 13:41:55,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31841 to 31689. [2022-07-21 13:41:55,673 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) [2022-07-21 13:41:55,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31689 states to 31689 states and 41711 transitions. [2022-07-21 13:41:55,803 INFO L78 Accepts]: Start accepts. Automaton has 31689 states and 41711 transitions. Word has length 470 [2022-07-21 13:41:55,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:41:55,804 INFO L495 AbstractCegarLoop]: Abstraction has 31689 states and 41711 transitions. [2022-07-21 13:41:55,805 INFO L496 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) [2022-07-21 13:41:55,805 INFO L276 IsEmpty]: Start isEmpty. Operand 31689 states and 41711 transitions. [2022-07-21 13:41:55,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2022-07-21 13:41:55,816 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:41:55,816 INFO L195 NwaCegarLoop]: 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] [2022-07-21 13:41:55,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-21 13:41:55,817 INFO L420 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)] === [2022-07-21 13:41:55,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:41:55,818 INFO L85 PathProgramCache]: Analyzing trace with hash 856308775, now seen corresponding path program 1 times [2022-07-21 13:41:55,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:41:55,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226210777] [2022-07-21 13:41:55,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:41:55,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:41:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:41:56,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:56,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:41:56,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:41:56,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:56,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:41:56,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:56,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:41:56,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:56,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:41:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:41:56,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:56,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:41:56,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:56,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:41:56,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:56,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:41:56,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:56,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:41:56,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:56,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:41:56,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:56,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 13:41:56,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:56,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:41:56,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:56,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 13:41:56,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:56,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 13:41:56,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 13:41:56,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 13:41:56,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:56,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:41:56,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:56,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 13:41:56,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:56,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 13:41:56,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:56,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 13:41:56,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:56,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 13:41:56,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:56,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 13:41:56,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-21 13:41:56,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-07-21 13:41:56,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-21 13:41:56,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 13:41:56,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-21 13:41:56,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:56,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 13:41:56,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-21 13:41:56,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-07-21 13:41:56,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-21 13:41:56,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-21 13:41:56,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-07-21 13:41:56,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-21 13:41:56,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-21 13:41:56,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:56,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:41:56,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:41:56,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-21 13:41:56,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:41:56,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:41:56,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:41:56,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-21 13:41:56,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-07-21 13:41:56,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-07-21 13:41:56,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-07-21 13:41:56,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:56,356 INFO L134 CoverageAnalysis]: Checked inductivity of 3285 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3274 trivial. 0 not checked. [2022-07-21 13:41:56,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:41:56,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226210777] [2022-07-21 13:41:56,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226210777] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:41:56,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:41:56,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 13:41:56,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776124583] [2022-07-21 13:41:56,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:41:56,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 13:41:56,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:41:56,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 13:41:56,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 13:41:56,359 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) [2022-07-21 13:41:58,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:41:58,568 INFO L93 Difference]: Finished difference Result 76862 states and 101314 transitions. [2022-07-21 13:41:58,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 13:41:58,569 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 [2022-07-21 13:41:58,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:41:58,732 INFO L225 Difference]: With dead ends: 76862 [2022-07-21 13:41:58,732 INFO L226 Difference]: Without dead ends: 45492 [2022-07-21 13:41:58,806 INFO L412 NwaCegarLoop]: 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 [2022-07-21 13:41:58,809 INFO L413 NwaCegarLoop]: 1877 mSDtfsCounter, 1275 mSDsluCounter, 1883 mSDsCounter, 0 mSdLazyCounter, 793 mSolverCounterSat, 393 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1404 SdHoareTripleChecker+Valid, 3760 SdHoareTripleChecker+Invalid, 1186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 393 IncrementalHoareTripleChecker+Valid, 793 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-21 13:41:58,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1404 Valid, 3760 Invalid, 1186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [393 Valid, 793 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-21 13:41:58,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45492 states. [2022-07-21 13:42:00,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45492 to 45270. [2022-07-21 13:42:00,108 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) [2022-07-21 13:42:00,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45270 states to 45270 states and 59393 transitions. [2022-07-21 13:42:00,377 INFO L78 Accepts]: Start accepts. Automaton has 45270 states and 59393 transitions. Word has length 476 [2022-07-21 13:42:00,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:42:00,378 INFO L495 AbstractCegarLoop]: Abstraction has 45270 states and 59393 transitions. [2022-07-21 13:42:00,378 INFO L496 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) [2022-07-21 13:42:00,378 INFO L276 IsEmpty]: Start isEmpty. Operand 45270 states and 59393 transitions. [2022-07-21 13:42:00,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 543 [2022-07-21 13:42:00,398 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:42:00,398 INFO L195 NwaCegarLoop]: 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] [2022-07-21 13:42:00,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-21 13:42:00,399 INFO L420 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)] === [2022-07-21 13:42:00,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:42:00,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1970656511, now seen corresponding path program 1 times [2022-07-21 13:42:00,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:42:00,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126699892] [2022-07-21 13:42:00,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:42:00,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:42:00,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:42:00,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:00,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:42:00,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:00,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:42:00,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:00,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:42:00,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:00,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:42:00,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:00,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:42:00,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:00,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:42:00,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:00,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:42:00,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:00,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:42:00,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:00,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:42:00,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:00,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:42:00,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:00,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:42:00,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:00,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 13:42:00,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:00,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:42:00,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:00,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 13:42:00,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:00,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 13:42:00,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:00,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 13:42:00,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:00,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 13:42:00,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:00,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:42:00,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:00,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 13:42:00,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:00,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 13:42:00,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:00,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 13:42:00,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:00,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 13:42:00,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:00,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 13:42:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:00,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-21 13:42:00,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-07-21 13:42:00,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-21 13:42:00,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 13:42:00,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-21 13:42:00,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:00,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 13:42:00,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-21 13:42:00,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-07-21 13:42:00,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-21 13:42:00,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-21 13:42:00,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-07-21 13:42:00,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-21 13:42:00,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-21 13:42:00,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:00,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:42:00,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:42:00,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-07-21 13:42:00,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:00,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:42:00,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:42:00,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-07-21 13:42:00,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2022-07-21 13:42:00,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-07-21 13:42:00,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2022-07-21 13:42:00,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:00,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:42:00,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:42:00,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-07-21 13:42:00,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:00,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:42:00,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:42:00,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2022-07-21 13:42:00,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-07-21 13:42:00,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:00,823 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3760 trivial. 0 not checked. [2022-07-21 13:42:00,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:42:00,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126699892] [2022-07-21 13:42:00,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126699892] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:42:00,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:42:00,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 13:42:00,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005134667] [2022-07-21 13:42:00,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:42:00,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 13:42:00,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:42:00,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 13:42:00,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 13:42:00,826 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) [2022-07-21 13:42:03,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:42:03,109 INFO L93 Difference]: Finished difference Result 101980 states and 133749 transitions. [2022-07-21 13:42:03,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 13:42:03,110 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 [2022-07-21 13:42:03,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:42:03,300 INFO L225 Difference]: With dead ends: 101980 [2022-07-21 13:42:03,300 INFO L226 Difference]: Without dead ends: 56762 [2022-07-21 13:42:03,408 INFO L412 NwaCegarLoop]: 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 [2022-07-21 13:42:03,409 INFO L413 NwaCegarLoop]: 2157 mSDtfsCounter, 964 mSDsluCounter, 2047 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 280 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1065 SdHoareTripleChecker+Valid, 4204 SdHoareTripleChecker+Invalid, 1049 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 280 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-21 13:42:03,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1065 Valid, 4204 Invalid, 1049 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [280 Valid, 769 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-21 13:42:03,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56762 states. [2022-07-21 13:42:04,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56762 to 56486. [2022-07-21 13:42:04,969 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) [2022-07-21 13:42:05,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56486 states to 56486 states and 73828 transitions. [2022-07-21 13:42:05,351 INFO L78 Accepts]: Start accepts. Automaton has 56486 states and 73828 transitions. Word has length 542 [2022-07-21 13:42:05,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:42:05,353 INFO L495 AbstractCegarLoop]: Abstraction has 56486 states and 73828 transitions. [2022-07-21 13:42:05,353 INFO L496 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) [2022-07-21 13:42:05,353 INFO L276 IsEmpty]: Start isEmpty. Operand 56486 states and 73828 transitions. [2022-07-21 13:42:05,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 543 [2022-07-21 13:42:05,382 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:42:05,382 INFO L195 NwaCegarLoop]: 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] [2022-07-21 13:42:05,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-21 13:42:05,383 INFO L420 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)] === [2022-07-21 13:42:05,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:42:05,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1087147521, now seen corresponding path program 1 times [2022-07-21 13:42:05,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:42:05,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884210562] [2022-07-21 13:42:05,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:42:05,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:42:05,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:42:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:05,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:42:05,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:05,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:42:05,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:05,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:42:05,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:05,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:42:05,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:05,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:42:05,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:05,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:42:05,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:05,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:42:05,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:05,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:42:05,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:05,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:42:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:05,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:42:05,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:05,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:42:05,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:05,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 13:42:05,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:05,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:42:05,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:05,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 13:42:05,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:05,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 13:42:05,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:05,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 13:42:05,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:05,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 13:42:05,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:05,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:42:05,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:05,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 13:42:05,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:05,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 13:42:05,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:05,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 13:42:05,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:05,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 13:42:05,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:05,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 13:42:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:05,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-21 13:42:05,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-07-21 13:42:05,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-21 13:42:05,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 13:42:05,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-21 13:42:05,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:05,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 13:42:05,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-21 13:42:05,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-07-21 13:42:05,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-21 13:42:05,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-21 13:42:05,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-07-21 13:42:05,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-21 13:42:05,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-21 13:42:05,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:05,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:42:05,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:42:05,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-07-21 13:42:05,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:05,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:42:05,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:42:05,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-07-21 13:42:05,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2022-07-21 13:42:05,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-07-21 13:42:05,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2022-07-21 13:42:05,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:05,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:42:05,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:42:05,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-07-21 13:42:05,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:05,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:42:05,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:42:05,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2022-07-21 13:42:05,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-07-21 13:42:05,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:05,882 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3760 trivial. 0 not checked. [2022-07-21 13:42:05,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:42:05,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884210562] [2022-07-21 13:42:05,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884210562] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:42:05,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:42:05,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 13:42:05,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896535546] [2022-07-21 13:42:05,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:42:05,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 13:42:05,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:42:05,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 13:42:05,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 13:42:05,886 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) [2022-07-21 13:42:08,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:42:08,459 INFO L93 Difference]: Finished difference Result 124545 states and 162859 transitions. [2022-07-21 13:42:08,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 13:42:08,460 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 [2022-07-21 13:42:08,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:42:08,674 INFO L225 Difference]: With dead ends: 124545 [2022-07-21 13:42:08,674 INFO L226 Difference]: Without dead ends: 68378 [2022-07-21 13:42:08,768 INFO L412 NwaCegarLoop]: 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 [2022-07-21 13:42:08,769 INFO L413 NwaCegarLoop]: 2157 mSDtfsCounter, 970 mSDsluCounter, 2041 mSDsCounter, 0 mSdLazyCounter, 772 mSolverCounterSat, 283 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1074 SdHoareTripleChecker+Valid, 4198 SdHoareTripleChecker+Invalid, 1055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 283 IncrementalHoareTripleChecker+Valid, 772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-21 13:42:08,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1074 Valid, 4198 Invalid, 1055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [283 Valid, 772 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-21 13:42:08,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68378 states. [2022-07-21 13:42:10,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68378 to 68048. [2022-07-21 13:42:10,743 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) [2022-07-21 13:42:10,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68048 states to 68048 states and 88687 transitions. [2022-07-21 13:42:10,925 INFO L78 Accepts]: Start accepts. Automaton has 68048 states and 88687 transitions. Word has length 542 [2022-07-21 13:42:10,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:42:10,926 INFO L495 AbstractCegarLoop]: Abstraction has 68048 states and 88687 transitions. [2022-07-21 13:42:10,926 INFO L496 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) [2022-07-21 13:42:10,927 INFO L276 IsEmpty]: Start isEmpty. Operand 68048 states and 88687 transitions. [2022-07-21 13:42:10,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2022-07-21 13:42:10,947 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:42:10,947 INFO L195 NwaCegarLoop]: 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] [2022-07-21 13:42:10,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-21 13:42:10,948 INFO L420 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)] === [2022-07-21 13:42:10,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:42:10,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1004734046, now seen corresponding path program 1 times [2022-07-21 13:42:10,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:42:10,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118179412] [2022-07-21 13:42:10,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:42:10,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:42:11,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:42:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:11,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:42:11,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:11,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:42:11,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:11,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:42:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:11,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:42:11,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:11,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:42:11,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:11,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:42:11,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:11,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:42:11,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:11,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:42:11,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:11,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:42:11,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:11,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:42:11,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:11,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:42:11,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:11,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 13:42:11,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:11,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:42:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 13:42:11,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:11,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 13:42:11,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 13:42:11,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:11,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 13:42:11,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:11,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:42:11,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:11,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 13:42:11,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:11,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 13:42:11,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:11,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 13:42:11,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:11,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 13:42:11,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:11,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 13:42:11,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:11,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-21 13:42:11,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-07-21 13:42:11,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-21 13:42:11,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 13:42:11,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-21 13:42:11,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:11,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 13:42:11,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-21 13:42:11,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-07-21 13:42:11,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-21 13:42:11,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-21 13:42:11,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-07-21 13:42:11,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-21 13:42:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-21 13:42:11,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:11,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:42:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:42:11,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-21 13:42:11,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:11,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:42:11,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:42:11,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-21 13:42:11,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2022-07-21 13:42:11,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-21 13:42:11,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2022-07-21 13:42:11,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:11,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:42:11,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:42:11,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-07-21 13:42:11,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:11,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:42:11,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:42:11,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2022-07-21 13:42:11,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2022-07-21 13:42:11,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2022-07-21 13:42:11,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:11,392 INFO L134 CoverageAnalysis]: Checked inductivity of 3837 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3812 trivial. 0 not checked. [2022-07-21 13:42:11,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:42:11,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118179412] [2022-07-21 13:42:11,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118179412] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:42:11,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:42:11,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 13:42:11,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356240176] [2022-07-21 13:42:11,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:42:11,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 13:42:11,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:42:11,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 13:42:11,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 13:42:11,397 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) [2022-07-21 13:42:14,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:42:14,604 INFO L93 Difference]: Finished difference Result 156521 states and 204305 transitions. [2022-07-21 13:42:14,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 13:42:14,604 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 [2022-07-21 13:42:14,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:42:14,927 INFO L225 Difference]: With dead ends: 156521 [2022-07-21 13:42:14,927 INFO L226 Difference]: Without dead ends: 88792 [2022-07-21 13:42:15,083 INFO L412 NwaCegarLoop]: 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 [2022-07-21 13:42:15,083 INFO L413 NwaCegarLoop]: 2399 mSDtfsCounter, 1188 mSDsluCounter, 2190 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 284 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1318 SdHoareTripleChecker+Valid, 4589 SdHoareTripleChecker+Invalid, 1098 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 284 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-21 13:42:15,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1318 Valid, 4589 Invalid, 1098 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [284 Valid, 814 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-21 13:42:15,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88792 states. [2022-07-21 13:42:17,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88792 to 88352. [2022-07-21 13:42:17,598 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) [2022-07-21 13:42:17,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88352 states to 88352 states and 114958 transitions. [2022-07-21 13:42:17,892 INFO L78 Accepts]: Start accepts. Automaton has 88352 states and 114958 transitions. Word has length 546 [2022-07-21 13:42:17,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:42:17,893 INFO L495 AbstractCegarLoop]: Abstraction has 88352 states and 114958 transitions. [2022-07-21 13:42:17,893 INFO L496 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) [2022-07-21 13:42:17,893 INFO L276 IsEmpty]: Start isEmpty. Operand 88352 states and 114958 transitions. [2022-07-21 13:42:17,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2022-07-21 13:42:17,919 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:42:17,920 INFO L195 NwaCegarLoop]: 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] [2022-07-21 13:42:17,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-21 13:42:17,920 INFO L420 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)] === [2022-07-21 13:42:17,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:42:17,921 INFO L85 PathProgramCache]: Analyzing trace with hash 2061465248, now seen corresponding path program 1 times [2022-07-21 13:42:17,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:42:17,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291720348] [2022-07-21 13:42:17,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:42:17,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:42:17,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:42:18,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:18,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:42:18,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:18,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:42:18,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:18,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:42:18,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:18,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:42:18,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:18,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:42:18,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:18,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:42:18,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:18,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:42:18,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:18,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:42:18,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:18,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:42:18,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:18,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:42:18,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:18,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:42:18,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:18,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 13:42:18,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:18,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:42:18,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:18,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 13:42:18,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:18,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 13:42:18,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:18,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 13:42:18,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:18,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 13:42:18,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:18,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:42:18,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:18,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 13:42:18,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:18,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 13:42:18,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:18,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 13:42:18,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:18,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 13:42:18,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:18,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 13:42:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-21 13:42:18,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-07-21 13:42:18,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-21 13:42:18,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 13:42:18,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-21 13:42:18,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:18,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 13:42:18,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-21 13:42:18,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-07-21 13:42:18,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-21 13:42:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-21 13:42:18,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-07-21 13:42:18,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-21 13:42:18,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-21 13:42:18,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:18,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:42:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:42:18,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-21 13:42:18,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:18,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:42:18,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:42:18,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-21 13:42:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2022-07-21 13:42:18,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-21 13:42:18,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2022-07-21 13:42:18,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:18,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:42:18,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:42:18,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-07-21 13:42:18,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:42:18,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:42:18,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2022-07-21 13:42:18,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2022-07-21 13:42:18,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2022-07-21 13:42:18,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:18,836 INFO L134 CoverageAnalysis]: Checked inductivity of 3837 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3812 trivial. 0 not checked. [2022-07-21 13:42:18,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:42:18,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291720348] [2022-07-21 13:42:18,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291720348] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:42:18,837 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:42:18,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 13:42:18,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469949628] [2022-07-21 13:42:18,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:42:18,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 13:42:18,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:42:18,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 13:42:18,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 13:42:18,839 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) [2022-07-21 13:42:22,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:42:22,366 INFO L93 Difference]: Finished difference Result 197102 states and 256748 transitions. [2022-07-21 13:42:22,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 13:42:22,367 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 [2022-07-21 13:42:22,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:42:22,754 INFO L225 Difference]: With dead ends: 197102 [2022-07-21 13:42:22,755 INFO L226 Difference]: Without dead ends: 108543 [2022-07-21 13:42:22,922 INFO L412 NwaCegarLoop]: 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 [2022-07-21 13:42:22,923 INFO L413 NwaCegarLoop]: 2399 mSDtfsCounter, 1182 mSDsluCounter, 2196 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 281 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1309 SdHoareTripleChecker+Valid, 4595 SdHoareTripleChecker+Invalid, 1092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 281 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-21 13:42:22,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1309 Valid, 4595 Invalid, 1092 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [281 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-21 13:42:23,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108543 states. [2022-07-21 13:42:25,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108543 to 107999. [2022-07-21 13:42:26,003 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) [2022-07-21 13:42:26,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107999 states to 107999 states and 140417 transitions. [2022-07-21 13:42:26,311 INFO L78 Accepts]: Start accepts. Automaton has 107999 states and 140417 transitions. Word has length 546 [2022-07-21 13:42:26,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:42:26,312 INFO L495 AbstractCegarLoop]: Abstraction has 107999 states and 140417 transitions. [2022-07-21 13:42:26,312 INFO L496 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) [2022-07-21 13:42:26,312 INFO L276 IsEmpty]: Start isEmpty. Operand 107999 states and 140417 transitions. [2022-07-21 13:42:26,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 548 [2022-07-21 13:42:26,339 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:42:26,340 INFO L195 NwaCegarLoop]: 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] [2022-07-21 13:42:26,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-21 13:42:26,340 INFO L420 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)] === [2022-07-21 13:42:26,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:42:26,341 INFO L85 PathProgramCache]: Analyzing trace with hash -254885337, now seen corresponding path program 1 times [2022-07-21 13:42:26,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:42:26,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276328241] [2022-07-21 13:42:26,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:42:26,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:42:26,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:42:26,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:26,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:42:26,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:26,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:42:26,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:26,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:42:26,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:26,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:42:26,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:42:26,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:26,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:42:26,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:26,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:42:26,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:26,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:42:26,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:26,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:42:26,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:26,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:42:26,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:26,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:42:26,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:26,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 13:42:26,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:26,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:42:26,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:26,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 13:42:26,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:26,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 13:42:26,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:26,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 13:42:26,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:26,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 13:42:26,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:26,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:42:26,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:26,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 13:42:26,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:26,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 13:42:26,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:26,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 13:42:26,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:26,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 13:42:26,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:26,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 13:42:26,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:26,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-21 13:42:26,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-07-21 13:42:26,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-21 13:42:26,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 13:42:26,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-21 13:42:26,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:26,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 13:42:26,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-21 13:42:26,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-07-21 13:42:26,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-21 13:42:26,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-21 13:42:26,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-07-21 13:42:26,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-21 13:42:26,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-21 13:42:26,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:26,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:42:26,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:42:26,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2022-07-21 13:42:26,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:26,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:42:26,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:42:26,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2022-07-21 13:42:26,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-07-21 13:42:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2022-07-21 13:42:26,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2022-07-21 13:42:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:26,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:42:26,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:42:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2022-07-21 13:42:26,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:42:26,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:42:26,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:42:26,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-07-21 13:42:26,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2022-07-21 13:42:26,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2022-07-21 13:42:26,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2022-07-21 13:42:26,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:26,773 INFO L134 CoverageAnalysis]: Checked inductivity of 3835 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 3812 trivial. 0 not checked. [2022-07-21 13:42:26,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:42:26,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276328241] [2022-07-21 13:42:26,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276328241] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:42:26,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:42:26,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 13:42:26,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204228238] [2022-07-21 13:42:26,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:42:26,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 13:42:26,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:42:26,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 13:42:26,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 13:42:26,776 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) [2022-07-21 13:42:31,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:42:31,332 INFO L93 Difference]: Finished difference Result 247710 states and 322554 transitions. [2022-07-21 13:42:31,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 13:42:31,333 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 [2022-07-21 13:42:31,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:42:31,846 INFO L225 Difference]: With dead ends: 247710 [2022-07-21 13:42:31,847 INFO L226 Difference]: Without dead ends: 140030 [2022-07-21 13:42:32,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:42:32,052 INFO L413 NwaCegarLoop]: 2387 mSDtfsCounter, 1192 mSDsluCounter, 2186 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 286 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1322 SdHoareTripleChecker+Valid, 4573 SdHoareTripleChecker+Invalid, 1100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 286 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-21 13:42:32,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1322 Valid, 4573 Invalid, 1100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [286 Valid, 814 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-21 13:42:32,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140030 states.