./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_drivers-media-radio-wl128x-fm_drv.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.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 f6012e8ec841b08462bbd246c354a43139de7ccb42d1c6282a50e12dbc313f31 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 04:46:13,228 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 04:46:13,230 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 04:46:13,269 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 04:46:13,269 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 04:46:13,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 04:46:13,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 04:46:13,274 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 04:46:13,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 04:46:13,278 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 04:46:13,279 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 04:46:13,280 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 04:46:13,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 04:46:13,281 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 04:46:13,283 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 04:46:13,287 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 04:46:13,288 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 04:46:13,288 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 04:46:13,290 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 04:46:13,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 04:46:13,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 04:46:13,295 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 04:46:13,296 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 04:46:13,297 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 04:46:13,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 04:46:13,301 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 04:46:13,301 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 04:46:13,302 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 04:46:13,303 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 04:46:13,303 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 04:46:13,303 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 04:46:13,304 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 04:46:13,305 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 04:46:13,306 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 04:46:13,307 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 04:46:13,307 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 04:46:13,308 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 04:46:13,308 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 04:46:13,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 04:46:13,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 04:46:13,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 04:46:13,309 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 04:46:13,334 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 04:46:13,335 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 04:46:13,335 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 04:46:13,335 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 04:46:13,336 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 04:46:13,336 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 04:46:13,337 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 04:46:13,337 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 04:46:13,337 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 04:46:13,337 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 04:46:13,338 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 04:46:13,338 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 04:46:13,338 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 04:46:13,338 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 04:46:13,338 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 04:46:13,338 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 04:46:13,338 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 04:46:13,339 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 04:46:13,339 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 04:46:13,339 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 04:46:13,339 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 04:46:13,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:46:13,339 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 04:46:13,340 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 04:46:13,340 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 04:46:13,340 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 04:46:13,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 04:46:13,340 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 04:46:13,340 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 04:46:13,340 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 04:46:13,340 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 04:46:13,341 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6012e8ec841b08462bbd246c354a43139de7ccb42d1c6282a50e12dbc313f31 [2021-12-16 04:46:13,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 04:46:13,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 04:46:13,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 04:46:13,613 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 04:46:13,613 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 04:46:13,614 INFO L432 ainManager$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_drivers-media-radio-wl128x-fm_drv.cil.i [2021-12-16 04:46:13,662 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51a01410f/f353d27dc8734e09bc4627ab91b91e1c/FLAG10153ca9a [2021-12-16 04:46:14,271 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 04:46:14,271 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_drivers-media-radio-wl128x-fm_drv.cil.i [2021-12-16 04:46:14,329 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51a01410f/f353d27dc8734e09bc4627ab91b91e1c/FLAG10153ca9a [2021-12-16 04:46:14,416 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51a01410f/f353d27dc8734e09bc4627ab91b91e1c [2021-12-16 04:46:14,417 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 04:46:14,418 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 04:46:14,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 04:46:14,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 04:46:14,422 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 04:46:14,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:46:14" (1/1) ... [2021-12-16 04:46:14,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bf6d6dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:46:14, skipping insertion in model container [2021-12-16 04:46:14,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:46:14" (1/1) ... [2021-12-16 04:46:14,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 04:46:14,517 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 04:46:15,933 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_drivers-media-radio-wl128x-fm_drv.cil.i[314540,314553] [2021-12-16 04:46:15,936 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_drivers-media-radio-wl128x-fm_drv.cil.i[314706,314719] [2021-12-16 04:46:15,936 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_drivers-media-radio-wl128x-fm_drv.cil.i[314870,314883] [2021-12-16 04:46:15,937 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_drivers-media-radio-wl128x-fm_drv.cil.i[315035,315048] [2021-12-16 04:46:15,973 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:46:16,024 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 04:46:16,269 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_drivers-media-radio-wl128x-fm_drv.cil.i[314540,314553] [2021-12-16 04:46:16,270 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_drivers-media-radio-wl128x-fm_drv.cil.i[314706,314719] [2021-12-16 04:46:16,270 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_drivers-media-radio-wl128x-fm_drv.cil.i[314870,314883] [2021-12-16 04:46:16,271 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_drivers-media-radio-wl128x-fm_drv.cil.i[315035,315048] [2021-12-16 04:46:16,274 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:46:16,412 INFO L208 MainTranslator]: Completed translation [2021-12-16 04:46:16,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:46:16 WrapperNode [2021-12-16 04:46:16,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 04:46:16,413 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 04:46:16,413 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 04:46:16,414 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 04:46:16,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:46:16" (1/1) ... [2021-12-16 04:46:16,508 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:46:16" (1/1) ... [2021-12-16 04:46:16,668 INFO L137 Inliner]: procedures = 386, calls = 2493, calls flagged for inlining = 198, calls inlined = 148, statements flattened = 4944 [2021-12-16 04:46:16,669 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 04:46:16,670 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 04:46:16,670 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 04:46:16,670 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 04:46:16,677 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:46:16" (1/1) ... [2021-12-16 04:46:16,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:46:16" (1/1) ... [2021-12-16 04:46:16,711 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:46:16" (1/1) ... [2021-12-16 04:46:16,712 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:46:16" (1/1) ... [2021-12-16 04:46:16,800 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:46:16" (1/1) ... [2021-12-16 04:46:16,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:46:16" (1/1) ... [2021-12-16 04:46:16,885 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:46:16" (1/1) ... [2021-12-16 04:46:16,918 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 04:46:16,919 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 04:46:16,920 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 04:46:16,920 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 04:46:16,923 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:46:16" (1/1) ... [2021-12-16 04:46:16,943 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:46:16,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 04:46:16,961 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-16 04:46:16,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-16 04:46:17,000 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-16 04:46:17,001 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-16 04:46:17,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-16 04:46:17,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-16 04:46:17,001 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-16 04:46:17,001 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-16 04:46:17,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 04:46:17,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 04:46:17,001 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-16 04:46:17,002 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-16 04:46:17,002 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_stereo_mono [2021-12-16 04:46:17,002 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_stereo_mono [2021-12-16 04:46:17,002 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-16 04:46:17,002 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-16 04:46:17,002 INFO L130 BoogieDeclarations]: Found specification of procedure set_rds_len [2021-12-16 04:46:17,002 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rds_len [2021-12-16 04:46:17,002 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2021-12-16 04:46:17,002 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2021-12-16 04:46:17,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-16 04:46:17,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-16 04:46:17,003 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-16 04:46:17,003 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-16 04:46:17,003 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2021-12-16 04:46:17,003 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2021-12-16 04:46:17,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-16 04:46:17,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-16 04:46:17,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-12-16 04:46:17,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-12-16 04:46:17,004 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-16 04:46:17,004 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-16 04:46:17,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 04:46:17,004 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2021-12-16 04:46:17,004 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2021-12-16 04:46:17,004 INFO L130 BoogieDeclarations]: Found specification of procedure st_unregister [2021-12-16 04:46:17,004 INFO L138 BoogieDeclarations]: Found implementation of procedure st_unregister [2021-12-16 04:46:17,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-16 04:46:17,005 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-16 04:46:17,005 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-16 04:46:17,005 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-16 04:46:17,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-16 04:46:17,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-16 04:46:17,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-16 04:46:17,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-16 04:46:17,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 04:46:17,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_fmdev [2021-12-16 04:46:17,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_fmdev [2021-12-16 04:46:17,006 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_release [2021-12-16 04:46:17,006 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_release [2021-12-16 04:46:17,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-16 04:46:17,007 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-16 04:46:17,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_fmdev [2021-12-16 04:46:17,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_fmdev [2021-12-16 04:46:17,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-16 04:46:17,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-16 04:46:17,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-16 04:46:17,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-16 04:46:17,009 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_set_rds_mode [2021-12-16 04:46:17,009 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_set_rds_mode [2021-12-16 04:46:17,009 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-12-16 04:46:17,009 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-12-16 04:46:17,010 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata [2021-12-16 04:46:17,010 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata [2021-12-16 04:46:17,010 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_rds_mode [2021-12-16 04:46:17,010 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_rds_mode [2021-12-16 04:46:17,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 04:46:17,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-16 04:46:17,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-16 04:46:17,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-16 04:46:17,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-16 04:46:17,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-16 04:46:17,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-16 04:46:17,011 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-12-16 04:46:17,011 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-12-16 04:46:17,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 04:46:17,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-16 04:46:17,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-16 04:46:17,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 04:46:17,012 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-16 04:46:17,012 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-16 04:46:17,012 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-12-16 04:46:17,012 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-12-16 04:46:17,012 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_preemph_filter [2021-12-16 04:46:17,012 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_preemph_filter [2021-12-16 04:46:17,013 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-12-16 04:46:17,013 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-12-16 04:46:17,013 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-16 04:46:17,013 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-16 04:46:17,013 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-16 04:46:17,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-16 04:46:17,014 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-16 04:46:17,014 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-16 04:46:17,014 INFO L130 BoogieDeclarations]: Found specification of procedure fm_g_volatile_ctrl [2021-12-16 04:46:17,014 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_g_volatile_ctrl [2021-12-16 04:46:17,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 04:46:17,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 04:46:17,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-16 04:46:17,015 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-16 04:46:17,015 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-16 04:46:17,015 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-16 04:46:17,015 INFO L130 BoogieDeclarations]: Found specification of procedure fm_config_rx_mute_reg [2021-12-16 04:46:17,015 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_config_rx_mute_reg [2021-12-16 04:46:17,015 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2021-12-16 04:46:17,016 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2021-12-16 04:46:17,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-16 04:46:17,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-16 04:46:17,016 INFO L130 BoogieDeclarations]: Found specification of procedure set_rds_data_mode [2021-12-16 04:46:17,016 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rds_data_mode [2021-12-16 04:46:17,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-16 04:46:17,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-16 04:46:17,017 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_pwr_lvl [2021-12-16 04:46:17,017 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_pwr_lvl [2021-12-16 04:46:17,017 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-12-16 04:46:17,018 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-12-16 04:46:17,019 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_prepare [2021-12-16 04:46:17,020 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_prepare [2021-12-16 04:46:17,020 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_send_cmd [2021-12-16 04:46:17,020 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_send_cmd [2021-12-16 04:46:17,020 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2021-12-16 04:46:17,021 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2021-12-16 04:46:17,021 INFO L130 BoogieDeclarations]: Found specification of procedure fm_send_cmd [2021-12-16 04:46:17,021 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_send_cmd [2021-12-16 04:46:17,021 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-16 04:46:17,025 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-16 04:46:17,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-16 04:46:17,025 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-16 04:46:17,025 INFO L130 BoogieDeclarations]: Found specification of procedure fm_irq_call_stage [2021-12-16 04:46:17,025 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_irq_call_stage [2021-12-16 04:46:17,026 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-12-16 04:46:17,026 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-12-16 04:46:17,026 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2021-12-16 04:46:17,026 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2021-12-16 04:46:17,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 04:46:17,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_fm_drv_exit_6_2 [2021-12-16 04:46:17,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_fm_drv_exit_6_2 [2021-12-16 04:46:17,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 04:46:17,027 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_reset_rds_cache [2021-12-16 04:46:17,027 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_reset_rds_cache [2021-12-16 04:46:17,027 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_reset_station_info [2021-12-16 04:46:17,027 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_reset_station_info [2021-12-16 04:46:17,027 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_s_ctrl [2021-12-16 04:46:17,027 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_s_ctrl [2021-12-16 04:46:17,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 04:46:17,027 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-16 04:46:17,028 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-16 04:46:17,028 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~int_handler_prototype~0 [2021-12-16 04:46:17,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~int_handler_prototype~0 [2021-12-16 04:46:17,028 INFO L130 BoogieDeclarations]: Found specification of procedure enable_xmit [2021-12-16 04:46:17,028 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_xmit [2021-12-16 04:46:17,028 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-16 04:46:17,028 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-16 04:46:17,028 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_set_volume [2021-12-16 04:46:17,028 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_set_volume [2021-12-16 04:46:17,028 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-16 04:46:17,029 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-16 04:46:17,029 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-16 04:46:17,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-16 04:46:17,029 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-16 04:46:17,029 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-16 04:46:17,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-16 04:46:17,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-16 04:46:17,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-16 04:46:17,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-16 04:46:17,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_mutex_of_fmdev [2021-12-16 04:46:17,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_mutex_of_fmdev [2021-12-16 04:46:17,030 INFO L130 BoogieDeclarations]: Found specification of procedure set_rds_text [2021-12-16 04:46:17,030 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rds_text [2021-12-16 04:46:17,030 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2021-12-16 04:46:17,030 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2021-12-16 04:46:17,030 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_fops_release [2021-12-16 04:46:17,031 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_fops_release [2021-12-16 04:46:17,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-16 04:46:17,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-16 04:46:17,031 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-16 04:46:17,031 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-16 04:46:17,031 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-16 04:46:17,031 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-16 04:46:17,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-16 04:46:17,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-16 04:46:17,031 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-12-16 04:46:17,032 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-12-16 04:46:17,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 04:46:17,032 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-12-16 04:46:17,032 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-12-16 04:46:17,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-16 04:46:17,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-16 04:46:17,032 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_fops_open [2021-12-16 04:46:17,033 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_fops_open [2021-12-16 04:46:17,033 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-16 04:46:17,034 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-16 04:46:17,034 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_set_freq [2021-12-16 04:46:17,034 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_set_freq [2021-12-16 04:46:17,034 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_set_mode [2021-12-16 04:46:17,034 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_set_mode [2021-12-16 04:46:17,034 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_fops_write [2021-12-16 04:46:17,034 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_fops_write [2021-12-16 04:46:17,034 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-16 04:46:17,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-16 04:46:17,034 INFO L130 BoogieDeclarations]: Found specification of procedure fm_irq_call [2021-12-16 04:46:17,035 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_irq_call [2021-12-16 04:46:17,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-16 04:46:17,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-16 04:46:17,035 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-16 04:46:17,035 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-16 04:46:17,035 INFO L130 BoogieDeclarations]: Found specification of procedure fm_power_down [2021-12-16 04:46:17,035 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_power_down [2021-12-16 04:46:17,035 INFO L130 BoogieDeclarations]: Found specification of procedure fm_download_firmware [2021-12-16 04:46:17,035 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_download_firmware [2021-12-16 04:46:17,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 04:46:17,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-16 04:46:17,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-16 04:46:17,619 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 04:46:17,621 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 04:46:17,765 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-16 04:46:20,159 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-16 04:46:20,198 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 04:46:20,208 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 04:46:20,209 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-16 04:46:20,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:46:20 BoogieIcfgContainer [2021-12-16 04:46:20,211 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 04:46:20,212 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 04:46:20,212 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 04:46:20,214 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 04:46:20,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 04:46:14" (1/3) ... [2021-12-16 04:46:20,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5765eb93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:46:20, skipping insertion in model container [2021-12-16 04:46:20,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:46:16" (2/3) ... [2021-12-16 04:46:20,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5765eb93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:46:20, skipping insertion in model container [2021-12-16 04:46:20,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:46:20" (3/3) ... [2021-12-16 04:46:20,216 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i [2021-12-16 04:46:20,220 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 04:46:20,220 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-16 04:46:20,264 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 04:46:20,267 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-16 04:46:20,268 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-16 04:46:20,301 INFO L276 IsEmpty]: Start isEmpty. Operand has 1716 states, 1195 states have (on average 1.3179916317991631) internal successors, (1575), 1211 states have internal predecessors, (1575), 422 states have call successors, (422), 97 states have call predecessors, (422), 96 states have return successors, (415), 412 states have call predecessors, (415), 415 states have call successors, (415) [2021-12-16 04:46:20,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-12-16 04:46:20,314 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:46:20,315 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:46:20,315 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-16 04:46:20,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:46:20,318 INFO L85 PathProgramCache]: Analyzing trace with hash -869569610, now seen corresponding path program 1 times [2021-12-16 04:46:20,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:46:20,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227718207] [2021-12-16 04:46:20,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:46:20,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:46:20,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:20,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:46:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:20,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:20,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:20,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:46:20,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:20,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:20,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:20,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:46:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:20,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:20,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:20,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:46:20,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:20,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:20,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:20,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:46:20,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:20,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:20,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:20,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:46:20,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:20,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:20,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:21,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 04:46:21,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:21,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:21,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:21,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 04:46:21,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:21,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:21,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 04:46:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:21,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:21,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:21,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 04:46:21,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:21,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:21,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:21,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 04:46:21,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:21,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:21,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:21,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 04:46:21,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:21,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:21,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:21,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 04:46:21,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:21,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:21,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:21,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:46:21,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:21,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:21,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:21,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 04:46:21,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:21,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:21,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:21,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 04:46:21,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:21,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:21,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:21,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 04:46:21,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:21,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:21,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:21,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-16 04:46:21,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:21,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:21,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:21,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-16 04:46:21,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:21,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:21,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:21,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-16 04:46:21,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:21,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-16 04:46:21,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:21,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-12-16 04:46:21,310 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:46:21,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227718207] [2021-12-16 04:46:21,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227718207] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:46:21,311 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:46:21,311 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 04:46:21,313 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219250096] [2021-12-16 04:46:21,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:46:21,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 04:46:21,316 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:46:21,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 04:46:21,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 04:46:21,338 INFO L87 Difference]: Start difference. First operand has 1716 states, 1195 states have (on average 1.3179916317991631) internal successors, (1575), 1211 states have internal predecessors, (1575), 422 states have call successors, (422), 97 states have call predecessors, (422), 96 states have return successors, (415), 412 states have call predecessors, (415), 415 states have call successors, (415) Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-16 04:46:23,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:46:23,785 INFO L93 Difference]: Finished difference Result 5059 states and 7250 transitions. [2021-12-16 04:46:23,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 04:46:23,787 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 241 [2021-12-16 04:46:23,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:46:23,820 INFO L225 Difference]: With dead ends: 5059 [2021-12-16 04:46:23,821 INFO L226 Difference]: Without dead ends: 3375 [2021-12-16 04:46:23,839 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:46:23,846 INFO L933 BasicCegarLoop]: 2677 mSDtfsCounter, 2776 mSDsluCounter, 3274 mSDsCounter, 0 mSdLazyCounter, 1143 mSolverCounterSat, 956 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3022 SdHoareTripleChecker+Valid, 5951 SdHoareTripleChecker+Invalid, 2099 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 956 IncrementalHoareTripleChecker+Valid, 1143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-16 04:46:23,847 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3022 Valid, 5951 Invalid, 2099 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [956 Valid, 1143 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-16 04:46:23,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3375 states. [2021-12-16 04:46:24,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3375 to 3189. [2021-12-16 04:46:24,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3189 states, 2244 states have (on average 1.3199643493761142) internal successors, (2962), 2274 states have internal predecessors, (2962), 759 states have call successors, (759), 184 states have call predecessors, (759), 183 states have return successors, (755), 749 states have call predecessors, (755), 755 states have call successors, (755) [2021-12-16 04:46:24,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3189 states to 3189 states and 4476 transitions. [2021-12-16 04:46:24,055 INFO L78 Accepts]: Start accepts. Automaton has 3189 states and 4476 transitions. Word has length 241 [2021-12-16 04:46:24,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:46:24,059 INFO L470 AbstractCegarLoop]: Abstraction has 3189 states and 4476 transitions. [2021-12-16 04:46:24,060 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-16 04:46:24,060 INFO L276 IsEmpty]: Start isEmpty. Operand 3189 states and 4476 transitions. [2021-12-16 04:46:24,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-12-16 04:46:24,069 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:46:24,069 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:46:24,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 04:46:24,070 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-16 04:46:24,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:46:24,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1323994548, now seen corresponding path program 1 times [2021-12-16 04:46:24,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:46:24,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78381491] [2021-12-16 04:46:24,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:46:24,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:46:24,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:24,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:46:24,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:24,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:24,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:24,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:46:24,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:24,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:24,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:24,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:46:24,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:24,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:24,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:24,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:46:24,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:24,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:24,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:24,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:46:24,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:24,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:24,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:24,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:46:24,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:24,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:24,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:24,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 04:46:24,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:24,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:24,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:24,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 04:46:24,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:24,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:24,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:24,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 04:46:24,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:24,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:24,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:24,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 04:46:24,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:24,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:24,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:24,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 04:46:24,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:24,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:24,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:24,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 04:46:24,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:24,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:24,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:24,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 04:46:24,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:24,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:24,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:24,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:46:24,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:24,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:24,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:24,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 04:46:24,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:24,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:24,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:24,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 04:46:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:24,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:24,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:24,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 04:46:24,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:24,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:24,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:24,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-16 04:46:24,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:24,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:24,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:24,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-16 04:46:24,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:24,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:24,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:24,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-16 04:46:24,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:24,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-12-16 04:46:24,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:24,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:24,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:24,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:24,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:24,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-16 04:46:24,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:24,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2021-12-16 04:46:24,562 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:46:24,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78381491] [2021-12-16 04:46:24,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78381491] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:46:24,562 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:46:24,563 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 04:46:24,563 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803515747] [2021-12-16 04:46:24,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:46:24,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 04:46:24,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:46:24,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 04:46:24,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 04:46:24,566 INFO L87 Difference]: Start difference. First operand 3189 states and 4476 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-16 04:46:26,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:46:26,850 INFO L93 Difference]: Finished difference Result 7200 states and 10027 transitions. [2021-12-16 04:46:26,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 04:46:26,850 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 269 [2021-12-16 04:46:26,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:46:26,872 INFO L225 Difference]: With dead ends: 7200 [2021-12-16 04:46:26,872 INFO L226 Difference]: Without dead ends: 4054 [2021-12-16 04:46:26,886 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:46:26,887 INFO L933 BasicCegarLoop]: 2653 mSDtfsCounter, 1992 mSDsluCounter, 3332 mSDsCounter, 0 mSdLazyCounter, 1179 mSolverCounterSat, 850 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2186 SdHoareTripleChecker+Valid, 5985 SdHoareTripleChecker+Invalid, 2029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 850 IncrementalHoareTripleChecker+Valid, 1179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-16 04:46:26,888 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2186 Valid, 5985 Invalid, 2029 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [850 Valid, 1179 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-16 04:46:26,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4054 states. [2021-12-16 04:46:27,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4054 to 3755. [2021-12-16 04:46:27,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3755 states, 2604 states have (on average 1.293010752688172) internal successors, (3367), 2648 states have internal predecessors, (3367), 877 states have call successors, (877), 272 states have call predecessors, (877), 271 states have return successors, (873), 859 states have call predecessors, (873), 873 states have call successors, (873) [2021-12-16 04:46:27,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3755 states to 3755 states and 5117 transitions. [2021-12-16 04:46:27,059 INFO L78 Accepts]: Start accepts. Automaton has 3755 states and 5117 transitions. Word has length 269 [2021-12-16 04:46:27,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:46:27,060 INFO L470 AbstractCegarLoop]: Abstraction has 3755 states and 5117 transitions. [2021-12-16 04:46:27,060 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-16 04:46:27,061 INFO L276 IsEmpty]: Start isEmpty. Operand 3755 states and 5117 transitions. [2021-12-16 04:46:27,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2021-12-16 04:46:27,066 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:46:27,066 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:46:27,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 04:46:27,067 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-16 04:46:27,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:46:27,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1996046415, now seen corresponding path program 1 times [2021-12-16 04:46:27,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:46:27,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817613281] [2021-12-16 04:46:27,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:46:27,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:46:27,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:27,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:46:27,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:27,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:27,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:27,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:46:27,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:27,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:27,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:27,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:46:27,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:27,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:27,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:27,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:46:27,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:27,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:27,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:46:27,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:27,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:27,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:27,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:46:27,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:27,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:27,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:27,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 04:46:27,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:27,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:27,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:27,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 04:46:27,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:27,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:27,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:27,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 04:46:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:27,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:27,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:27,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 04:46:27,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:27,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:27,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:27,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 04:46:27,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:27,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:27,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:27,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 04:46:27,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:27,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:27,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:27,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 04:46:27,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:27,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:27,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:27,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:46:27,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:27,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:27,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:27,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 04:46:27,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:27,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:27,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:27,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 04:46:27,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:27,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:27,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 04:46:27,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:27,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:27,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:27,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-16 04:46:27,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:27,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:27,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:27,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-16 04:46:27,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:27,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:27,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:27,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-16 04:46:27,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:27,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-16 04:46:27,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:27,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-12-16 04:46:27,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:27,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:27,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:27,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:27,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-16 04:46:27,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:27,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:27,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:27,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:27,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:27,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-16 04:46:27,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:27,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2021-12-16 04:46:27,633 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:46:27,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817613281] [2021-12-16 04:46:27,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817613281] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:46:27,633 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:46:27,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:46:27,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493894465] [2021-12-16 04:46:27,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:46:27,634 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:46:27,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:46:27,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:46:27,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:46:27,635 INFO L87 Difference]: Start difference. First operand 3755 states and 5117 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-16 04:46:29,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:46:29,887 INFO L93 Difference]: Finished difference Result 6841 states and 9338 transitions. [2021-12-16 04:46:29,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 04:46:29,888 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 295 [2021-12-16 04:46:29,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:46:29,902 INFO L225 Difference]: With dead ends: 6841 [2021-12-16 04:46:29,902 INFO L226 Difference]: Without dead ends: 3129 [2021-12-16 04:46:29,913 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-16 04:46:29,914 INFO L933 BasicCegarLoop]: 2008 mSDtfsCounter, 3038 mSDsluCounter, 1687 mSDsCounter, 0 mSdLazyCounter, 1688 mSolverCounterSat, 1354 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3345 SdHoareTripleChecker+Valid, 3695 SdHoareTripleChecker+Invalid, 3042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1354 IncrementalHoareTripleChecker+Valid, 1688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-16 04:46:29,914 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3345 Valid, 3695 Invalid, 3042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1354 Valid, 1688 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-16 04:46:29,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3129 states. [2021-12-16 04:46:29,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3129 to 2908. [2021-12-16 04:46:29,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2908 states, 2044 states have (on average 1.2852250489236792) internal successors, (2627), 2059 states have internal predecessors, (2627), 650 states have call successors, (650), 212 states have call predecessors, (650), 211 states have return successors, (646), 641 states have call predecessors, (646), 646 states have call successors, (646) [2021-12-16 04:46:29,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2908 states to 2908 states and 3923 transitions. [2021-12-16 04:46:29,997 INFO L78 Accepts]: Start accepts. Automaton has 2908 states and 3923 transitions. Word has length 295 [2021-12-16 04:46:29,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:46:29,998 INFO L470 AbstractCegarLoop]: Abstraction has 2908 states and 3923 transitions. [2021-12-16 04:46:29,998 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-16 04:46:29,999 INFO L276 IsEmpty]: Start isEmpty. Operand 2908 states and 3923 transitions. [2021-12-16 04:46:30,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-12-16 04:46:30,005 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:46:30,005 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 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] [2021-12-16 04:46:30,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 04:46:30,006 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-16 04:46:30,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:46:30,007 INFO L85 PathProgramCache]: Analyzing trace with hash 916585238, now seen corresponding path program 1 times [2021-12-16 04:46:30,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:46:30,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525462209] [2021-12-16 04:46:30,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:46:30,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:46:30,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:30,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:46:30,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:30,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:30,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:30,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:46:30,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:30,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:30,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:30,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:46:30,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:30,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:30,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:30,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:46:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:30,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:30,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:30,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:46:30,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:30,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:30,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:30,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:46:30,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:30,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:30,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:30,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 04:46:30,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:30,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:30,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:30,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 04:46:30,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:30,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:30,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:30,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 04:46:30,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:30,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:30,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:30,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 04:46:30,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:30,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:30,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:30,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 04:46:30,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:30,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:30,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:30,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 04:46:30,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:30,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:30,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:30,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 04:46:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:30,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:30,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:30,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:46:30,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:30,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:30,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:30,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 04:46:30,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:30,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:30,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:30,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 04:46:30,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:30,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:30,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:30,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 04:46:30,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:30,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:30,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-16 04:46:30,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:30,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:30,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:30,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-16 04:46:30,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:30,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:30,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:30,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-16 04:46:30,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:30,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-16 04:46:30,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:30,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:46:30,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:30,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:30,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:30,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-16 04:46:30,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:30,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:30,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:30,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-16 04:46:30,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:30,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-16 04:46:30,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:30,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-16 04:46:30,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:30,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1803 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1803 trivial. 0 not checked. [2021-12-16 04:46:30,668 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:46:30,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525462209] [2021-12-16 04:46:30,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525462209] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:46:30,669 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:46:30,669 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 04:46:30,669 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817560720] [2021-12-16 04:46:30,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:46:30,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 04:46:30,670 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:46:30,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 04:46:30,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-16 04:46:30,670 INFO L87 Difference]: Start difference. First operand 2908 states and 3923 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-16 04:46:34,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:46:34,165 INFO L93 Difference]: Finished difference Result 3210 states and 4411 transitions. [2021-12-16 04:46:34,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 04:46:34,166 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 302 [2021-12-16 04:46:34,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:46:34,180 INFO L225 Difference]: With dead ends: 3210 [2021-12-16 04:46:34,181 INFO L226 Difference]: Without dead ends: 3208 [2021-12-16 04:46:34,182 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2021-12-16 04:46:34,182 INFO L933 BasicCegarLoop]: 2127 mSDtfsCounter, 2371 mSDsluCounter, 5888 mSDsCounter, 0 mSdLazyCounter, 1839 mSolverCounterSat, 607 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2571 SdHoareTripleChecker+Valid, 8015 SdHoareTripleChecker+Invalid, 2446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 607 IncrementalHoareTripleChecker+Valid, 1839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-12-16 04:46:34,183 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2571 Valid, 8015 Invalid, 2446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [607 Valid, 1839 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-12-16 04:46:34,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2021-12-16 04:46:34,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 2912. [2021-12-16 04:46:34,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2912 states, 2047 states have (on average 1.2848070346849048) internal successors, (2630), 2062 states have internal predecessors, (2630), 650 states have call successors, (650), 213 states have call predecessors, (650), 212 states have return successors, (646), 641 states have call predecessors, (646), 646 states have call successors, (646) [2021-12-16 04:46:34,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2912 states to 2912 states and 3926 transitions. [2021-12-16 04:46:34,263 INFO L78 Accepts]: Start accepts. Automaton has 2912 states and 3926 transitions. Word has length 302 [2021-12-16 04:46:34,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:46:34,264 INFO L470 AbstractCegarLoop]: Abstraction has 2912 states and 3926 transitions. [2021-12-16 04:46:34,264 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-16 04:46:34,264 INFO L276 IsEmpty]: Start isEmpty. Operand 2912 states and 3926 transitions. [2021-12-16 04:46:34,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2021-12-16 04:46:34,269 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:46:34,269 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 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] [2021-12-16 04:46:34,269 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 04:46:34,269 INFO L402 AbstractCegarLoop]: === Iteration 5 === 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_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-16 04:46:34,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:46:34,270 INFO L85 PathProgramCache]: Analyzing trace with hash -256952123, now seen corresponding path program 1 times [2021-12-16 04:46:34,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:46:34,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581556803] [2021-12-16 04:46:34,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:46:34,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:46:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:46:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:34,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:46:34,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:34,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:46:34,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:34,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:46:34,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:34,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:46:34,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:34,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:46:34,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:34,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 04:46:34,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:34,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 04:46:34,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:34,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 04:46:34,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:34,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 04:46:34,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:34,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 04:46:34,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:34,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 04:46:34,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:34,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 04:46:34,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:34,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:46:34,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:34,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 04:46:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:34,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 04:46:34,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:34,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 04:46:34,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:34,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-16 04:46:34,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:34,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-16 04:46:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:34,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-16 04:46:34,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-16 04:46:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:46:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:34,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-16 04:46:34,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:34,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-16 04:46:34,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-16 04:46:34,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-16 04:46:34,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-16 04:46:34,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:34,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1805 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1803 trivial. 0 not checked. [2021-12-16 04:46:34,889 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:46:34,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581556803] [2021-12-16 04:46:34,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581556803] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:46:34,889 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:46:34,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 04:46:34,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567055691] [2021-12-16 04:46:34,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:46:34,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 04:46:34,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:46:34,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 04:46:34,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-16 04:46:34,891 INFO L87 Difference]: Start difference. First operand 2912 states and 3926 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-16 04:46:36,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:46:36,914 INFO L93 Difference]: Finished difference Result 3214 states and 4414 transitions. [2021-12-16 04:46:36,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 04:46:36,915 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 307 [2021-12-16 04:46:36,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:46:36,929 INFO L225 Difference]: With dead ends: 3214 [2021-12-16 04:46:36,929 INFO L226 Difference]: Without dead ends: 3212 [2021-12-16 04:46:36,932 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2021-12-16 04:46:36,933 INFO L933 BasicCegarLoop]: 2129 mSDtfsCounter, 2690 mSDsluCounter, 4949 mSDsCounter, 0 mSdLazyCounter, 1264 mSolverCounterSat, 1020 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2891 SdHoareTripleChecker+Valid, 7078 SdHoareTripleChecker+Invalid, 2284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1020 IncrementalHoareTripleChecker+Valid, 1264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-16 04:46:36,936 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2891 Valid, 7078 Invalid, 2284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1020 Valid, 1264 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-16 04:46:36,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3212 states. [2021-12-16 04:46:37,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3212 to 2916. [2021-12-16 04:46:37,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2916 states, 2050 states have (on average 1.284390243902439) internal successors, (2633), 2065 states have internal predecessors, (2633), 650 states have call successors, (650), 214 states have call predecessors, (650), 213 states have return successors, (646), 641 states have call predecessors, (646), 646 states have call successors, (646) [2021-12-16 04:46:37,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2916 states to 2916 states and 3929 transitions. [2021-12-16 04:46:37,051 INFO L78 Accepts]: Start accepts. Automaton has 2916 states and 3929 transitions. Word has length 307 [2021-12-16 04:46:37,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:46:37,052 INFO L470 AbstractCegarLoop]: Abstraction has 2916 states and 3929 transitions. [2021-12-16 04:46:37,053 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-16 04:46:37,053 INFO L276 IsEmpty]: Start isEmpty. Operand 2916 states and 3929 transitions. [2021-12-16 04:46:37,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2021-12-16 04:46:37,058 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:46:37,058 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 3, 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] [2021-12-16 04:46:37,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-16 04:46:37,059 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-16 04:46:37,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:46:37,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1189263306, now seen corresponding path program 1 times [2021-12-16 04:46:37,059 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:46:37,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958612094] [2021-12-16 04:46:37,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:46:37,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:46:37,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:46:37,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:37,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:46:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:37,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:46:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:37,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:46:37,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:37,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:46:37,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:37,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:46:37,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:37,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 04:46:37,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:37,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 04:46:37,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:37,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 04:46:37,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:37,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 04:46:37,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:37,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 04:46:37,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:37,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 04:46:37,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:37,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 04:46:37,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:46:37,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:37,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 04:46:37,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:37,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 04:46:37,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:37,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 04:46:37,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:37,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-16 04:46:37,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:37,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-16 04:46:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:37,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-16 04:46:37,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-16 04:46:37,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:46:37,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:37,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-16 04:46:37,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:37,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-16 04:46:37,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-16 04:46:37,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-16 04:46:37,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-16 04:46:37,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-16 04:46:37,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:37,702 INFO L134 CoverageAnalysis]: Checked inductivity of 1811 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1807 trivial. 0 not checked. [2021-12-16 04:46:37,702 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:46:37,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958612094] [2021-12-16 04:46:37,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958612094] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:46:37,703 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:46:37,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 04:46:37,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576038676] [2021-12-16 04:46:37,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:46:37,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 04:46:37,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:46:37,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 04:46:37,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-16 04:46:37,704 INFO L87 Difference]: Start difference. First operand 2916 states and 3929 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-16 04:46:40,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:46:40,229 INFO L93 Difference]: Finished difference Result 3218 states and 4417 transitions. [2021-12-16 04:46:40,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 04:46:40,229 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 312 [2021-12-16 04:46:40,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:46:40,242 INFO L225 Difference]: With dead ends: 3218 [2021-12-16 04:46:40,242 INFO L226 Difference]: Without dead ends: 3216 [2021-12-16 04:46:40,243 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2021-12-16 04:46:40,243 INFO L933 BasicCegarLoop]: 2129 mSDtfsCounter, 2363 mSDsluCounter, 5884 mSDsCounter, 0 mSdLazyCounter, 1839 mSolverCounterSat, 605 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2564 SdHoareTripleChecker+Valid, 8013 SdHoareTripleChecker+Invalid, 2444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 605 IncrementalHoareTripleChecker+Valid, 1839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-16 04:46:40,244 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2564 Valid, 8013 Invalid, 2444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [605 Valid, 1839 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-12-16 04:46:40,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3216 states. [2021-12-16 04:46:40,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3216 to 2920. [2021-12-16 04:46:40,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2920 states, 2053 states have (on average 1.2839746712128592) internal successors, (2636), 2068 states have internal predecessors, (2636), 650 states have call successors, (650), 215 states have call predecessors, (650), 214 states have return successors, (646), 641 states have call predecessors, (646), 646 states have call successors, (646) [2021-12-16 04:46:40,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2920 states to 2920 states and 3932 transitions. [2021-12-16 04:46:40,324 INFO L78 Accepts]: Start accepts. Automaton has 2920 states and 3932 transitions. Word has length 312 [2021-12-16 04:46:40,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:46:40,325 INFO L470 AbstractCegarLoop]: Abstraction has 2920 states and 3932 transitions. [2021-12-16 04:46:40,325 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-16 04:46:40,325 INFO L276 IsEmpty]: Start isEmpty. Operand 2920 states and 3932 transitions. [2021-12-16 04:46:40,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2021-12-16 04:46:40,329 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:46:40,329 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 20, 20, 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] [2021-12-16 04:46:40,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-16 04:46:40,330 INFO L402 AbstractCegarLoop]: === Iteration 7 === 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_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-16 04:46:40,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:46:40,330 INFO L85 PathProgramCache]: Analyzing trace with hash -645551354, now seen corresponding path program 1 times [2021-12-16 04:46:40,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:46:40,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215506206] [2021-12-16 04:46:40,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:46:40,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:46:40,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:46:40,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:40,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:46:40,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:40,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:46:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:40,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:46:40,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:40,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:46:40,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:40,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:46:40,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:40,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 04:46:40,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:40,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 04:46:40,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 04:46:40,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:40,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 04:46:40,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:40,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 04:46:40,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:40,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 04:46:40,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:40,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 04:46:40,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:40,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:46:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:40,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 04:46:40,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:40,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 04:46:40,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:40,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 04:46:40,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:40,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-16 04:46:40,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:40,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-16 04:46:40,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:40,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-16 04:46:40,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-16 04:46:40,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:40,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:46:40,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 04:46:40,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-16 04:46:40,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:40,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:46:40,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 04:46:40,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-16 04:46:40,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-16 04:46:40,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-12-16 04:46:40,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-16 04:46:40,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-16 04:46:40,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:40,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:40,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-16 04:46:40,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:40,856 INFO L134 CoverageAnalysis]: Checked inductivity of 1821 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1821 trivial. 0 not checked. [2021-12-16 04:46:40,856 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:46:40,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215506206] [2021-12-16 04:46:40,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215506206] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:46:40,856 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:46:40,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 04:46:40,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735864581] [2021-12-16 04:46:40,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:46:40,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 04:46:40,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:46:40,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 04:46:40,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 04:46:40,858 INFO L87 Difference]: Start difference. First operand 2920 states and 3932 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-16 04:46:42,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:46:42,903 INFO L93 Difference]: Finished difference Result 7970 states and 10834 transitions. [2021-12-16 04:46:42,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 04:46:42,904 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 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 332 [2021-12-16 04:46:42,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:46:42,926 INFO L225 Difference]: With dead ends: 7970 [2021-12-16 04:46:42,927 INFO L226 Difference]: Without dead ends: 5114 [2021-12-16 04:46:42,936 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:46:42,938 INFO L933 BasicCegarLoop]: 2481 mSDtfsCounter, 2578 mSDsluCounter, 3139 mSDsCounter, 0 mSdLazyCounter, 1091 mSolverCounterSat, 913 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2789 SdHoareTripleChecker+Valid, 5620 SdHoareTripleChecker+Invalid, 2004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 913 IncrementalHoareTripleChecker+Valid, 1091 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-12-16 04:46:42,938 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2789 Valid, 5620 Invalid, 2004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [913 Valid, 1091 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-12-16 04:46:42,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5114 states. [2021-12-16 04:46:43,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5114 to 4712. [2021-12-16 04:46:43,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4712 states, 3347 states have (on average 1.2865252464893935) internal successors, (4306), 3379 states have internal predecessors, (4306), 1021 states have call successors, (1021), 342 states have call predecessors, (1021), 341 states have return successors, (1017), 1000 states have call predecessors, (1017), 1017 states have call successors, (1017) [2021-12-16 04:46:43,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4712 states to 4712 states and 6344 transitions. [2021-12-16 04:46:43,132 INFO L78 Accepts]: Start accepts. Automaton has 4712 states and 6344 transitions. Word has length 332 [2021-12-16 04:46:43,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:46:43,133 INFO L470 AbstractCegarLoop]: Abstraction has 4712 states and 6344 transitions. [2021-12-16 04:46:43,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-16 04:46:43,133 INFO L276 IsEmpty]: Start isEmpty. Operand 4712 states and 6344 transitions. [2021-12-16 04:46:43,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2021-12-16 04:46:43,136 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:46:43,137 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:46:43,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-16 04:46:43,137 INFO L402 AbstractCegarLoop]: === Iteration 8 === 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_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-16 04:46:43,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:46:43,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1896867832, now seen corresponding path program 1 times [2021-12-16 04:46:43,137 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:46:43,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823632578] [2021-12-16 04:46:43,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:46:43,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:46:43,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:46:43,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:43,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:46:43,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:43,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:46:43,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:43,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:46:43,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:43,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:46:43,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:43,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:46:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:43,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 04:46:43,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:43,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 04:46:43,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:43,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 04:46:43,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:43,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 04:46:43,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 04:46:43,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:43,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 04:46:43,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:43,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 04:46:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:43,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:46:43,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:43,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 04:46:43,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:43,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 04:46:43,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:43,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 04:46:43,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:43,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-16 04:46:43,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:43,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-16 04:46:43,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:43,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-16 04:46:43,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-16 04:46:43,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:46:43,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:43,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-16 04:46:43,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:43,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-16 04:46:43,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-16 04:46:43,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-16 04:46:43,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:43,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 04:46:43,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-16 04:46:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-12-16 04:46:43,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-16 04:46:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:43,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1809 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1797 trivial. 0 not checked. [2021-12-16 04:46:43,540 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:46:43,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823632578] [2021-12-16 04:46:43,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823632578] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:46:43,541 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:46:43,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:46:43,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270204345] [2021-12-16 04:46:43,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:46:43,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:46:43,542 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:46:43,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:46:43,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:46:43,542 INFO L87 Difference]: Start difference. First operand 4712 states and 6344 transitions. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-12-16 04:46:48,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:46:48,239 INFO L93 Difference]: Finished difference Result 13516 states and 18556 transitions. [2021-12-16 04:46:48,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 04:46:48,239 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 327 [2021-12-16 04:46:48,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:46:48,285 INFO L225 Difference]: With dead ends: 13516 [2021-12-16 04:46:48,285 INFO L226 Difference]: Without dead ends: 9170 [2021-12-16 04:46:48,300 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-12-16 04:46:48,301 INFO L933 BasicCegarLoop]: 3943 mSDtfsCounter, 2200 mSDsluCounter, 7839 mSDsCounter, 0 mSdLazyCounter, 3273 mSolverCounterSat, 627 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2411 SdHoareTripleChecker+Valid, 11782 SdHoareTripleChecker+Invalid, 3900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 627 IncrementalHoareTripleChecker+Valid, 3273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-12-16 04:46:48,301 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2411 Valid, 11782 Invalid, 3900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [627 Valid, 3273 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2021-12-16 04:46:48,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9170 states. [2021-12-16 04:46:48,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9170 to 8260. [2021-12-16 04:46:48,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8260 states, 5906 states have (on average 1.296139519133085) internal successors, (7655), 5944 states have internal predecessors, (7655), 1774 states have call successors, (1774), 578 states have call predecessors, (1774), 577 states have return successors, (1770), 1753 states have call predecessors, (1770), 1770 states have call successors, (1770) [2021-12-16 04:46:48,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8260 states to 8260 states and 11199 transitions. [2021-12-16 04:46:48,621 INFO L78 Accepts]: Start accepts. Automaton has 8260 states and 11199 transitions. Word has length 327 [2021-12-16 04:46:48,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:46:48,622 INFO L470 AbstractCegarLoop]: Abstraction has 8260 states and 11199 transitions. [2021-12-16 04:46:48,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-12-16 04:46:48,622 INFO L276 IsEmpty]: Start isEmpty. Operand 8260 states and 11199 transitions. [2021-12-16 04:46:48,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2021-12-16 04:46:48,626 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:46:48,626 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 4, 3, 3, 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] [2021-12-16 04:46:48,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-16 04:46:48,627 INFO L402 AbstractCegarLoop]: === Iteration 9 === 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_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-16 04:46:48,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:46:48,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1594969893, now seen corresponding path program 1 times [2021-12-16 04:46:48,627 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:46:48,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127333355] [2021-12-16 04:46:48,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:46:48,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:46:48,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:48,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:46:48,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:48,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:48,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:48,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:46:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:48,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:48,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:48,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:46:48,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:48,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:48,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:48,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:46:48,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:48,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:48,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:48,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:46:48,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:48,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:48,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:48,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:46:48,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:48,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:48,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:48,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 04:46:48,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:48,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:48,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:48,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 04:46:48,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:48,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:48,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 04:46:48,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:48,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:48,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:48,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 04:46:48,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:48,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:48,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:48,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 04:46:48,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:48,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:48,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 04:46:48,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:48,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:48,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:48,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 04:46:48,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:48,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:48,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:48,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:46:48,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:48,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:48,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:48,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 04:46:48,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:48,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:48,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:48,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 04:46:48,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:48,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:48,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 04:46:49,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:49,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:49,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-16 04:46:49,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:49,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:49,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:49,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-16 04:46:49,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:49,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:49,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:49,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-16 04:46:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:49,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-16 04:46:49,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:49,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:46:49,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:49,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:49,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:49,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-16 04:46:49,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:49,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:49,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:49,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-16 04:46:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:49,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-16 04:46:49,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:49,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-16 04:46:49,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:49,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-16 04:46:49,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:49,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-16 04:46:49,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:49,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-16 04:46:49,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:49,127 INFO L134 CoverageAnalysis]: Checked inductivity of 1821 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1815 trivial. 0 not checked. [2021-12-16 04:46:49,127 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:46:49,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127333355] [2021-12-16 04:46:49,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127333355] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:46:49,128 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:46:49,128 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 04:46:49,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95835670] [2021-12-16 04:46:49,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:46:49,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 04:46:49,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:46:49,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 04:46:49,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-16 04:46:49,131 INFO L87 Difference]: Start difference. First operand 8260 states and 11199 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-16 04:46:51,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:46:51,978 INFO L93 Difference]: Finished difference Result 9148 states and 12617 transitions. [2021-12-16 04:46:51,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 04:46:51,979 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 317 [2021-12-16 04:46:51,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:46:52,012 INFO L225 Difference]: With dead ends: 9148 [2021-12-16 04:46:52,012 INFO L226 Difference]: Without dead ends: 9146 [2021-12-16 04:46:52,019 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2021-12-16 04:46:52,019 INFO L933 BasicCegarLoop]: 2130 mSDtfsCounter, 2364 mSDsluCounter, 5887 mSDsCounter, 0 mSdLazyCounter, 1839 mSolverCounterSat, 604 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2565 SdHoareTripleChecker+Valid, 8017 SdHoareTripleChecker+Invalid, 2443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 604 IncrementalHoareTripleChecker+Valid, 1839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-12-16 04:46:52,020 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2565 Valid, 8017 Invalid, 2443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [604 Valid, 1839 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-12-16 04:46:52,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9146 states. [2021-12-16 04:46:52,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9146 to 8264. [2021-12-16 04:46:52,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8264 states, 5909 states have (on average 1.2959891690641394) internal successors, (7658), 5947 states have internal predecessors, (7658), 1774 states have call successors, (1774), 579 states have call predecessors, (1774), 578 states have return successors, (1770), 1753 states have call predecessors, (1770), 1770 states have call successors, (1770) [2021-12-16 04:46:52,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8264 states to 8264 states and 11202 transitions. [2021-12-16 04:46:52,416 INFO L78 Accepts]: Start accepts. Automaton has 8264 states and 11202 transitions. Word has length 317 [2021-12-16 04:46:52,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:46:52,416 INFO L470 AbstractCegarLoop]: Abstraction has 8264 states and 11202 transitions. [2021-12-16 04:46:52,417 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-16 04:46:52,417 INFO L276 IsEmpty]: Start isEmpty. Operand 8264 states and 11202 transitions. [2021-12-16 04:46:52,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2021-12-16 04:46:52,421 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:46:52,421 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 5, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:46:52,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-16 04:46:52,421 INFO L402 AbstractCegarLoop]: === Iteration 10 === 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_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-16 04:46:52,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:46:52,422 INFO L85 PathProgramCache]: Analyzing trace with hash -885372831, now seen corresponding path program 1 times [2021-12-16 04:46:52,422 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:46:52,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210740617] [2021-12-16 04:46:52,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:46:52,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:46:52,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:46:52,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:52,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:46:52,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:52,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:46:52,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:52,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:46:52,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:52,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:46:52,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:52,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:46:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:52,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 04:46:52,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:52,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 04:46:52,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:52,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 04:46:52,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:52,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 04:46:52,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:52,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 04:46:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:52,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 04:46:52,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:52,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 04:46:52,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:52,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:46:52,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:52,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 04:46:52,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:52,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 04:46:52,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:52,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 04:46:52,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:52,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-16 04:46:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:52,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-16 04:46:52,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-16 04:46:52,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-16 04:46:52,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:46:52,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-16 04:46:52,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:52,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-16 04:46:52,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-16 04:46:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-16 04:46:52,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:52,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 04:46:52,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-16 04:46:52,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-16 04:46:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-16 04:46:52,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-16 04:46:52,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:52,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1822 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 1809 trivial. 0 not checked. [2021-12-16 04:46:52,801 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:46:52,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210740617] [2021-12-16 04:46:52,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210740617] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:46:52,801 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:46:52,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:46:52,801 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356710843] [2021-12-16 04:46:52,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:46:52,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:46:52,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:46:52,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:46:52,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:46:52,803 INFO L87 Difference]: Start difference. First operand 8264 states and 11202 transitions. Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (37), 5 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-16 04:46:56,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:46:56,172 INFO L93 Difference]: Finished difference Result 20962 states and 28831 transitions. [2021-12-16 04:46:56,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 04:46:56,173 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (37), 5 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 331 [2021-12-16 04:46:56,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:46:56,232 INFO L225 Difference]: With dead ends: 20962 [2021-12-16 04:46:56,233 INFO L226 Difference]: Without dead ends: 13064 [2021-12-16 04:46:56,266 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-12-16 04:46:56,267 INFO L933 BasicCegarLoop]: 3981 mSDtfsCounter, 2500 mSDsluCounter, 6147 mSDsCounter, 0 mSdLazyCounter, 2195 mSolverCounterSat, 1049 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2712 SdHoareTripleChecker+Valid, 10128 SdHoareTripleChecker+Invalid, 3244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1049 IncrementalHoareTripleChecker+Valid, 2195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-12-16 04:46:56,267 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2712 Valid, 10128 Invalid, 3244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1049 Valid, 2195 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-12-16 04:46:56,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13064 states. [2021-12-16 04:46:56,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13064 to 11808. [2021-12-16 04:46:56,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11808 states, 8464 states have (on average 1.299976370510397) internal successors, (11003), 8508 states have internal predecessors, (11003), 2527 states have call successors, (2527), 815 states have call predecessors, (2527), 814 states have return successors, (2523), 2506 states have call predecessors, (2523), 2523 states have call successors, (2523) [2021-12-16 04:46:56,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11808 states to 11808 states and 16053 transitions. [2021-12-16 04:46:56,786 INFO L78 Accepts]: Start accepts. Automaton has 11808 states and 16053 transitions. Word has length 331 [2021-12-16 04:46:56,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:46:56,787 INFO L470 AbstractCegarLoop]: Abstraction has 11808 states and 16053 transitions. [2021-12-16 04:46:56,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (37), 5 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-16 04:46:56,787 INFO L276 IsEmpty]: Start isEmpty. Operand 11808 states and 16053 transitions. [2021-12-16 04:46:56,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2021-12-16 04:46:56,791 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:46:56,791 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 5, 4, 4, 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] [2021-12-16 04:46:56,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-16 04:46:56,792 INFO L402 AbstractCegarLoop]: === Iteration 11 === 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_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-16 04:46:56,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:46:56,792 INFO L85 PathProgramCache]: Analyzing trace with hash 648306006, now seen corresponding path program 1 times [2021-12-16 04:46:56,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:46:56,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296848692] [2021-12-16 04:46:56,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:46:56,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:46:56,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:56,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:46:56,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:56,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:56,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:56,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:46:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:56,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:56,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:56,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:46:56,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:56,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:56,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:57,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:46:57,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:57,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:57,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:57,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:46:57,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:57,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:57,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:57,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:46:57,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:57,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:57,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:57,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 04:46:57,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:57,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:57,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:57,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 04:46:57,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:57,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:57,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:57,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 04:46:57,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:57,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:57,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:57,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 04:46:57,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:57,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:57,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:57,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 04:46:57,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:57,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:57,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:57,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 04:46:57,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:57,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:57,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:57,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 04:46:57,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:57,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:57,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:57,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:46:57,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:57,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:57,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:57,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 04:46:57,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:57,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:57,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:57,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 04:46:57,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:57,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:57,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:57,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 04:46:57,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:57,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:57,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:57,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-16 04:46:57,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:57,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:57,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:57,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-16 04:46:57,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:57,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:57,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:57,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-16 04:46:57,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:57,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-16 04:46:57,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:57,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:46:57,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:57,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:57,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:57,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-16 04:46:57,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:57,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:46:57,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:57,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-16 04:46:57,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:57,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-16 04:46:57,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:57,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-16 04:46:57,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:57,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-16 04:46:57,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:57,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-16 04:46:57,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:57,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-16 04:46:57,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:57,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-12-16 04:46:57,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:46:57,331 INFO L134 CoverageAnalysis]: Checked inductivity of 1835 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1827 trivial. 0 not checked. [2021-12-16 04:46:57,331 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:46:57,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296848692] [2021-12-16 04:46:57,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296848692] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:46:57,332 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:46:57,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 04:46:57,332 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5790082] [2021-12-16 04:46:57,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:46:57,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 04:46:57,333 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:46:57,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 04:46:57,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-16 04:46:57,334 INFO L87 Difference]: Start difference. First operand 11808 states and 16053 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-16 04:47:00,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:47:00,845 INFO L93 Difference]: Finished difference Result 25419 states and 35238 transitions. [2021-12-16 04:47:00,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-16 04:47:00,846 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 322 [2021-12-16 04:47:00,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:47:00,939 INFO L225 Difference]: With dead ends: 25419 [2021-12-16 04:47:00,940 INFO L226 Difference]: Without dead ends: 25415 [2021-12-16 04:47:00,955 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2021-12-16 04:47:00,956 INFO L933 BasicCegarLoop]: 2678 mSDtfsCounter, 3302 mSDsluCounter, 8089 mSDsCounter, 0 mSdLazyCounter, 2037 mSolverCounterSat, 1731 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3527 SdHoareTripleChecker+Valid, 10767 SdHoareTripleChecker+Invalid, 3768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1731 IncrementalHoareTripleChecker+Valid, 2037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-12-16 04:47:00,956 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3527 Valid, 10767 Invalid, 3768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1731 Valid, 2037 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-12-16 04:47:00,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25415 states. [2021-12-16 04:47:01,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25415 to 23000. [2021-12-16 04:47:01,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23000 states, 16458 states have (on average 1.3014339530927208) internal successors, (21419), 16576 states have internal predecessors, (21419), 4945 states have call successors, (4945), 1585 states have call predecessors, (4945), 1594 states have return successors, (5111), 4876 states have call predecessors, (5111), 4937 states have call successors, (5111) [2021-12-16 04:47:01,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23000 states to 23000 states and 31475 transitions. [2021-12-16 04:47:01,848 INFO L78 Accepts]: Start accepts. Automaton has 23000 states and 31475 transitions. Word has length 322 [2021-12-16 04:47:01,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:47:01,849 INFO L470 AbstractCegarLoop]: Abstraction has 23000 states and 31475 transitions. [2021-12-16 04:47:01,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-16 04:47:01,849 INFO L276 IsEmpty]: Start isEmpty. Operand 23000 states and 31475 transitions. [2021-12-16 04:47:01,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2021-12-16 04:47:01,853 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:47:01,853 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 6, 5, 5, 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] [2021-12-16 04:47:01,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-16 04:47:01,854 INFO L402 AbstractCegarLoop]: === Iteration 12 === 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_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-16 04:47:01,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:47:01,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1518640517, now seen corresponding path program 1 times [2021-12-16 04:47:01,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:47:01,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365445379] [2021-12-16 04:47:01,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:47:01,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:47:01,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:47:02,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:47:02,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:47:02,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:47:02,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:47:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:47:02,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:47:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:47:02,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:47:02,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:47:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:47:02,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:47:02,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 04:47:02,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:47:02,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 04:47:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:47:02,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 04:47:02,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:47:02,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 04:47:02,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:47:02,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 04:47:02,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:47:02,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 04:47:02,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:47:02,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 04:47:02,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:47:02,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:47:02,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:47:02,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 04:47:02,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:47:02,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 04:47:02,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:47:02,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 04:47:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:47:02,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-16 04:47:02,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:47:02,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-16 04:47:02,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:47:02,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-16 04:47:02,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-16 04:47:02,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:47:02,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:47:02,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-16 04:47:02,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:47:02,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-16 04:47:02,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-16 04:47:02,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-16 04:47:02,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-16 04:47:02,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-16 04:47:02,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-16 04:47:02,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-12-16 04:47:02,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-16 04:47:02,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:02,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1853 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1843 trivial. 0 not checked. [2021-12-16 04:47:02,310 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:47:02,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365445379] [2021-12-16 04:47:02,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365445379] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:47:02,311 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:47:02,311 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 04:47:02,311 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26058396] [2021-12-16 04:47:02,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:47:02,312 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 04:47:02,312 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:47:02,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 04:47:02,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-16 04:47:02,313 INFO L87 Difference]: Start difference. First operand 23000 states and 31475 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2021-12-16 04:47:04,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:47:04,901 INFO L93 Difference]: Finished difference Result 25262 states and 35038 transitions. [2021-12-16 04:47:04,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 04:47:04,902 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (35), 5 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 327 [2021-12-16 04:47:04,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:47:05,106 INFO L225 Difference]: With dead ends: 25262 [2021-12-16 04:47:05,107 INFO L226 Difference]: Without dead ends: 24667 [2021-12-16 04:47:05,119 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2021-12-16 04:47:05,120 INFO L933 BasicCegarLoop]: 2132 mSDtfsCounter, 2693 mSDsluCounter, 4956 mSDsCounter, 0 mSdLazyCounter, 1264 mSolverCounterSat, 1023 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2895 SdHoareTripleChecker+Valid, 7088 SdHoareTripleChecker+Invalid, 2287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1023 IncrementalHoareTripleChecker+Valid, 1264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-12-16 04:47:05,120 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2895 Valid, 7088 Invalid, 2287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1023 Valid, 1264 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-12-16 04:47:05,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24667 states. [2021-12-16 04:47:05,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24667 to 22489. [2021-12-16 04:47:05,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22489 states, 16092 states have (on average 1.3026348496147153) internal successors, (20962), 16194 states have internal predecessors, (20962), 4848 states have call successors, (4848), 1536 states have call predecessors, (4848), 1546 states have return successors, (5018), 4792 states have call predecessors, (5018), 4844 states have call successors, (5018) [2021-12-16 04:47:06,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22489 states to 22489 states and 30828 transitions. [2021-12-16 04:47:06,078 INFO L78 Accepts]: Start accepts. Automaton has 22489 states and 30828 transitions. Word has length 327 [2021-12-16 04:47:06,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:47:06,079 INFO L470 AbstractCegarLoop]: Abstraction has 22489 states and 30828 transitions. [2021-12-16 04:47:06,080 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2021-12-16 04:47:06,080 INFO L276 IsEmpty]: Start isEmpty. Operand 22489 states and 30828 transitions. [2021-12-16 04:47:06,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2021-12-16 04:47:06,090 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:47:06,090 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 20, 20, 20, 20, 20, 20, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:47:06,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-16 04:47:06,090 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-16 04:47:06,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:47:06,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1868247389, now seen corresponding path program 1 times [2021-12-16 04:47:06,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:47:06,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751590208] [2021-12-16 04:47:06,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:47:06,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:47:06,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:47:06,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:47:06,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:47:06,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:47:06,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:47:06,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:47:06,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:47:06,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:47:06,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:47:06,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:47:06,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:47:06,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:47:06,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 04:47:06,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:47:06,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 04:47:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:47:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 04:47:06,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:47:06,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 04:47:06,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:47:06,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 04:47:06,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:47:06,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 04:47:06,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:47:06,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 04:47:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:47:06,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:47:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:47:06,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 04:47:06,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:47:06,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 04:47:06,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:47:06,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 04:47:06,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:47:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-16 04:47:06,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:47:06,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-16 04:47:06,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:47:06,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-16 04:47:06,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-16 04:47:06,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:47:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:47:06,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-16 04:47:06,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:47:06,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-16 04:47:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-16 04:47:06,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-16 04:47:06,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-16 04:47:06,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-16 04:47:06,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-16 04:47:06,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-12-16 04:47:06,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-16 04:47:06,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:47:06,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:47:06,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-16 04:47:06,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:47:06,612 INFO L134 CoverageAnalysis]: Checked inductivity of 2254 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 2218 trivial. 0 not checked. [2021-12-16 04:47:06,612 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:47:06,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751590208] [2021-12-16 04:47:06,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751590208] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:47:06,613 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:47:06,613 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 04:47:06,613 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951373776] [2021-12-16 04:47:06,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:47:06,614 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 04:47:06,614 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:47:06,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 04:47:06,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:47:06,615 INFO L87 Difference]: Start difference. First operand 22489 states and 30828 transitions. Second operand has 5 states, 5 states have (on average 24.8) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35)