./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 0f8a17c6 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 0.2.1-dev-0f8a17c [2021-11-17 07:11:46,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 07:11:46,414 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 07:11:46,457 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 07:11:46,457 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 07:11:46,461 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 07:11:46,462 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 07:11:46,464 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 07:11:46,465 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 07:11:46,470 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 07:11:46,470 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 07:11:46,471 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 07:11:46,472 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 07:11:46,474 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 07:11:46,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 07:11:46,478 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 07:11:46,479 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 07:11:46,480 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 07:11:46,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 07:11:46,486 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 07:11:46,488 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 07:11:46,489 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 07:11:46,490 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 07:11:46,490 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 07:11:46,492 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 07:11:46,492 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 07:11:46,492 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 07:11:46,493 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 07:11:46,494 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 07:11:46,494 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 07:11:46,495 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 07:11:46,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 07:11:46,496 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 07:11:46,497 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 07:11:46,498 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 07:11:46,498 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 07:11:46,499 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 07:11:46,499 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 07:11:46,499 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 07:11:46,500 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 07:11:46,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 07:11:46,501 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 07:11:46,527 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 07:11:46,527 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 07:11:46,528 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 07:11:46,528 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 07:11:46,529 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 07:11:46,529 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 07:11:46,529 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 07:11:46,529 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 07:11:46,530 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 07:11:46,530 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 07:11:46,530 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 07:11:46,531 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 07:11:46,531 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 07:11:46,531 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 07:11:46,531 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 07:11:46,531 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 07:11:46,531 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 07:11:46,532 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 07:11:46,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 07:11:46,532 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 07:11:46,532 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 07:11:46,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 07:11:46,532 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 07:11:46,533 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 07:11:46,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 07:11:46,533 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 07:11:46,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 07:11:46,534 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 07:11:46,534 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 07:11:46,534 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 07:11:46,534 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 07:11:46,535 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6012e8ec841b08462bbd246c354a43139de7ccb42d1c6282a50e12dbc313f31 [2021-11-17 07:11:46,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 07:11:46,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 07:11:46,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 07:11:46,771 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 07:11:46,771 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 07:11:46,773 INFO L432 ainManager$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 [2021-11-17 07:11:46,827 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7da964caa/3d34fe49a8a941dab782b5e4dce8da34/FLAG8393f8e5a [2021-11-17 07:11:47,461 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 07:11:47,462 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 [2021-11-17 07:11:47,511 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7da964caa/3d34fe49a8a941dab782b5e4dce8da34/FLAG8393f8e5a [2021-11-17 07:11:47,597 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7da964caa/3d34fe49a8a941dab782b5e4dce8da34 [2021-11-17 07:11:47,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 07:11:47,601 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 07:11:47,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 07:11:47,602 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 07:11:47,605 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 07:11:47,605 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:11:47" (1/1) ... [2021-11-17 07:11:47,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f146c82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:11:47, skipping insertion in model container [2021-11-17 07:11:47,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:11:47" (1/1) ... [2021-11-17 07:11:47,610 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 07:11:47,695 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 07:11:49,281 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] [2021-11-17 07:11:49,287 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] [2021-11-17 07:11:49,288 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] [2021-11-17 07:11:49,288 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] [2021-11-17 07:11:49,303 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 07:11:49,374 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 07:11:49,636 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] [2021-11-17 07:11:49,636 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] [2021-11-17 07:11:49,637 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] [2021-11-17 07:11:49,637 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] [2021-11-17 07:11:49,655 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 07:11:49,810 INFO L208 MainTranslator]: Completed translation [2021-11-17 07:11:49,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:11:49 WrapperNode [2021-11-17 07:11:49,811 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 07:11:49,812 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 07:11:49,812 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 07:11:49,812 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 07:11:49,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:11:49" (1/1) ... [2021-11-17 07:11:49,903 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:11:49" (1/1) ... [2021-11-17 07:11:50,024 INFO L137 Inliner]: procedures = 386, calls = 2493, calls flagged for inlining = 198, calls inlined = 148, statements flattened = 4937 [2021-11-17 07:11:50,025 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 07:11:50,026 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 07:11:50,026 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 07:11:50,026 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 07:11:50,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:11:49" (1/1) ... [2021-11-17 07:11:50,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:11:49" (1/1) ... [2021-11-17 07:11:50,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:11:49" (1/1) ... [2021-11-17 07:11:50,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:11:49" (1/1) ... [2021-11-17 07:11:50,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:11:49" (1/1) ... [2021-11-17 07:11:50,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:11:49" (1/1) ... [2021-11-17 07:11:50,186 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:11:49" (1/1) ... [2021-11-17 07:11:50,210 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 07:11:50,211 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 07:11:50,211 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 07:11:50,213 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 07:11:50,214 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:11:49" (1/1) ... [2021-11-17 07:11:50,219 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 07:11:50,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 07:11:50,248 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) [2021-11-17 07:11:50,271 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 [2021-11-17 07:11:50,282 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-17 07:11:50,282 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-17 07:11:50,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 07:11:50,282 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 07:11:50,282 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-11-17 07:11:50,282 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-11-17 07:11:50,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 07:11:50,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 07:11:50,283 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-17 07:11:50,283 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-17 07:11:50,283 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_stereo_mono [2021-11-17 07:11:50,283 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_stereo_mono [2021-11-17 07:11:50,283 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-17 07:11:50,283 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-17 07:11:50,284 INFO L130 BoogieDeclarations]: Found specification of procedure set_rds_len [2021-11-17 07:11:50,284 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rds_len [2021-11-17 07:11:50,284 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2021-11-17 07:11:50,284 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2021-11-17 07:11:50,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-17 07:11:50,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-17 07:11:50,284 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-17 07:11:50,284 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-17 07:11:50,285 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2021-11-17 07:11:50,285 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2021-11-17 07:11:50,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 07:11:50,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 07:11:50,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-17 07:11:50,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-17 07:11:50,285 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-17 07:11:50,285 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-17 07:11:50,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 07:11:50,286 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2021-11-17 07:11:50,286 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2021-11-17 07:11:50,286 INFO L130 BoogieDeclarations]: Found specification of procedure st_unregister [2021-11-17 07:11:50,286 INFO L138 BoogieDeclarations]: Found implementation of procedure st_unregister [2021-11-17 07:11:50,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 07:11:50,286 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-17 07:11:50,286 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-17 07:11:50,287 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-17 07:11:50,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-17 07:11:50,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 07:11:50,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-17 07:11:50,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-17 07:11:50,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 07:11:50,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_fmdev [2021-11-17 07:11:50,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_fmdev [2021-11-17 07:11:50,287 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_release [2021-11-17 07:11:50,288 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_release [2021-11-17 07:11:50,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 07:11:50,288 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 07:11:50,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_fmdev [2021-11-17 07:11:50,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_fmdev [2021-11-17 07:11:50,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-17 07:11:50,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-17 07:11:50,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-17 07:11:50,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-17 07:11:50,289 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_set_rds_mode [2021-11-17 07:11:50,289 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_set_rds_mode [2021-11-17 07:11:50,289 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-11-17 07:11:50,289 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-11-17 07:11:50,289 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata [2021-11-17 07:11:50,289 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata [2021-11-17 07:11:50,289 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_rds_mode [2021-11-17 07:11:50,289 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_rds_mode [2021-11-17 07:11:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 07:11:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-17 07:11:50,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-17 07:11:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-17 07:11:50,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-17 07:11:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-17 07:11:50,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-17 07:11:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-11-17 07:11:50,290 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-11-17 07:11:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 07:11:50,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-17 07:11:50,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-17 07:11:50,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 07:11:50,291 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-17 07:11:50,291 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-17 07:11:50,291 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-11-17 07:11:50,291 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-11-17 07:11:50,291 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_preemph_filter [2021-11-17 07:11:50,291 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_preemph_filter [2021-11-17 07:11:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-11-17 07:11:50,292 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-11-17 07:11:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-17 07:11:50,292 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-17 07:11:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-17 07:11:50,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-17 07:11:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-17 07:11:50,292 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-17 07:11:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure fm_g_volatile_ctrl [2021-11-17 07:11:50,293 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_g_volatile_ctrl [2021-11-17 07:11:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 07:11:50,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 07:11:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-17 07:11:50,293 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-17 07:11:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-17 07:11:50,293 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-17 07:11:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure fm_config_rx_mute_reg [2021-11-17 07:11:50,293 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_config_rx_mute_reg [2021-11-17 07:11:50,294 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2021-11-17 07:11:50,294 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2021-11-17 07:11:50,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 07:11:50,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 07:11:50,294 INFO L130 BoogieDeclarations]: Found specification of procedure set_rds_data_mode [2021-11-17 07:11:50,294 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rds_data_mode [2021-11-17 07:11:50,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 07:11:50,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 07:11:50,294 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_pwr_lvl [2021-11-17 07:11:50,295 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_pwr_lvl [2021-11-17 07:11:50,295 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-11-17 07:11:50,295 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-11-17 07:11:50,295 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_prepare [2021-11-17 07:11:50,295 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_prepare [2021-11-17 07:11:50,295 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_send_cmd [2021-11-17 07:11:50,295 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_send_cmd [2021-11-17 07:11:50,295 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2021-11-17 07:11:50,296 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2021-11-17 07:11:50,296 INFO L130 BoogieDeclarations]: Found specification of procedure fm_send_cmd [2021-11-17 07:11:50,296 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_send_cmd [2021-11-17 07:11:50,296 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-17 07:11:50,296 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-17 07:11:50,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 07:11:50,296 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 07:11:50,296 INFO L130 BoogieDeclarations]: Found specification of procedure fm_irq_call_stage [2021-11-17 07:11:50,296 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_irq_call_stage [2021-11-17 07:11:50,297 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-11-17 07:11:50,297 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-11-17 07:11:50,297 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2021-11-17 07:11:50,297 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2021-11-17 07:11:50,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 07:11:50,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_fm_drv_exit_6_2 [2021-11-17 07:11:50,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_fm_drv_exit_6_2 [2021-11-17 07:11:50,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 07:11:50,297 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_reset_rds_cache [2021-11-17 07:11:50,298 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_reset_rds_cache [2021-11-17 07:11:50,298 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_reset_station_info [2021-11-17 07:11:50,298 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_reset_station_info [2021-11-17 07:11:50,298 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_s_ctrl [2021-11-17 07:11:50,298 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_s_ctrl [2021-11-17 07:11:50,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 07:11:50,298 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-17 07:11:50,298 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-17 07:11:50,298 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~int_handler_prototype~0 [2021-11-17 07:11:50,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~int_handler_prototype~0 [2021-11-17 07:11:50,299 INFO L130 BoogieDeclarations]: Found specification of procedure enable_xmit [2021-11-17 07:11:50,299 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_xmit [2021-11-17 07:11:50,299 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-17 07:11:50,299 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-17 07:11:50,299 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_set_volume [2021-11-17 07:11:50,299 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_set_volume [2021-11-17 07:11:50,299 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-17 07:11:50,299 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-17 07:11:50,300 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-17 07:11:50,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-17 07:11:50,300 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-17 07:11:50,300 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-17 07:11:50,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-17 07:11:50,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-17 07:11:50,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-17 07:11:50,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-17 07:11:50,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_mutex_of_fmdev [2021-11-17 07:11:50,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_mutex_of_fmdev [2021-11-17 07:11:50,301 INFO L130 BoogieDeclarations]: Found specification of procedure set_rds_text [2021-11-17 07:11:50,301 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rds_text [2021-11-17 07:11:50,301 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2021-11-17 07:11:50,301 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2021-11-17 07:11:50,301 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_fops_release [2021-11-17 07:11:50,301 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_fops_release [2021-11-17 07:11:50,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-17 07:11:50,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-17 07:11:50,302 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-17 07:11:50,302 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-17 07:11:50,302 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 07:11:50,302 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 07:11:50,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-17 07:11:50,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-17 07:11:50,302 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-11-17 07:11:50,303 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-11-17 07:11:50,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 07:11:50,303 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-11-17 07:11:50,303 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-11-17 07:11:50,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 07:11:50,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 07:11:50,303 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_fops_open [2021-11-17 07:11:50,303 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_fops_open [2021-11-17 07:11:50,304 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-17 07:11:50,304 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-17 07:11:50,304 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_set_freq [2021-11-17 07:11:50,304 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_set_freq [2021-11-17 07:11:50,304 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_set_mode [2021-11-17 07:11:50,304 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_set_mode [2021-11-17 07:11:50,304 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_fops_write [2021-11-17 07:11:50,304 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_fops_write [2021-11-17 07:11:50,304 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-17 07:11:50,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-17 07:11:50,305 INFO L130 BoogieDeclarations]: Found specification of procedure fm_irq_call [2021-11-17 07:11:50,305 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_irq_call [2021-11-17 07:11:50,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-17 07:11:50,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-17 07:11:50,305 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-17 07:11:50,305 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-17 07:11:50,305 INFO L130 BoogieDeclarations]: Found specification of procedure fm_power_down [2021-11-17 07:11:50,305 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_power_down [2021-11-17 07:11:50,306 INFO L130 BoogieDeclarations]: Found specification of procedure fm_download_firmware [2021-11-17 07:11:50,306 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_download_firmware [2021-11-17 07:11:50,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 07:11:50,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-17 07:11:50,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-17 07:11:50,855 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 07:11:50,858 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 07:11:50,958 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 07:11:54,069 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-17 07:11:54,106 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 07:11:54,126 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 07:11:54,126 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-17 07:11:54,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 07:11:54 BoogieIcfgContainer [2021-11-17 07:11:54,128 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 07:11:54,129 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 07:11:54,129 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 07:11:54,132 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 07:11:54,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 07:11:47" (1/3) ... [2021-11-17 07:11:54,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15e1278d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:11:54, skipping insertion in model container [2021-11-17 07:11:54,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:11:49" (2/3) ... [2021-11-17 07:11:54,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15e1278d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:11:54, skipping insertion in model container [2021-11-17 07:11:54,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 07:11:54" (3/3) ... [2021-11-17 07:11:54,134 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i [2021-11-17 07:11:54,137 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 07:11:54,137 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-17 07:11:54,166 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 07:11:54,170 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 [2021-11-17 07:11:54,170 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-17 07:11:54,198 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) [2021-11-17 07:11:54,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-11-17 07:11:54,212 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:11:54,213 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] [2021-11-17 07:11:54,213 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)] === [2021-11-17 07:11:54,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:11:54,216 INFO L85 PathProgramCache]: Analyzing trace with hash -869569610, now seen corresponding path program 1 times [2021-11-17 07:11:54,221 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:11:54,222 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489601554] [2021-11-17 07:11:54,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:11:54,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:11:54,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:54,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:11:54,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:54,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:11:54,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:54,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:11:54,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:54,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:11:54,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:54,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:11:54,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:54,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:11:54,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:54,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:11:54,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:54,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:11:54,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:54,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:11:54,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:54,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:11:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:54,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:11:54,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:54,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:11:54,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:54,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:11:54,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:54,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:11:54,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:54,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 07:11:54,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:54,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:11:54,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:54,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 07:11:54,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:54,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:11:54,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:54,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 07:11:54,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:54,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:11:54,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:54,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 07:11:54,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:54,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:11:54,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:54,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 07:11:54,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:54,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:11:54,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:54,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 07:11:54,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:54,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:11:54,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:54,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 07:11:54,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:54,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:11:54,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:54,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 07:11:54,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:54,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:11:54,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:54,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 07:11:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:54,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:11:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:54,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 07:11:54,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:54,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:11:54,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:54,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 07:11:54,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:54,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:11:54,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:54,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 07:11:54,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:55,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:11:55,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:55,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 07:11:55,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:55,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-11-17 07:11:55,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:55,040 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-11-17 07:11:55,041 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:11:55,041 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489601554] [2021-11-17 07:11:55,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489601554] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:11:55,045 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:11:55,045 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 07:11:55,046 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982375911] [2021-11-17 07:11:55,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:11:55,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 07:11:55,050 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:11:55,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 07:11:55,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 07:11:55,075 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) [2021-11-17 07:11:57,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:11:57,931 INFO L93 Difference]: Finished difference Result 5059 states and 7250 transitions. [2021-11-17 07:11:57,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 07:11:57,933 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 [2021-11-17 07:11:57,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:11:57,992 INFO L225 Difference]: With dead ends: 5059 [2021-11-17 07:11:57,992 INFO L226 Difference]: Without dead ends: 3375 [2021-11-17 07:11:58,032 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 [2021-11-17 07:11:58,036 INFO L933 BasicCegarLoop]: 2678 mSDtfsCounter, 2776 mSDsluCounter, 3275 mSDsCounter, 0 mSdLazyCounter, 1143 mSolverCounterSat, 956 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3021 SdHoareTripleChecker+Valid, 5953 SdHoareTripleChecker+Invalid, 2099 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 956 IncrementalHoareTripleChecker+Valid, 1143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-17 07:11:58,037 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3021 Valid, 5953 Invalid, 2099 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [956 Valid, 1143 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-17 07:11:58,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3375 states. [2021-11-17 07:11:58,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3375 to 3189. [2021-11-17 07:11:58,196 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) [2021-11-17 07:11:58,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3189 states to 3189 states and 4476 transitions. [2021-11-17 07:11:58,213 INFO L78 Accepts]: Start accepts. Automaton has 3189 states and 4476 transitions. Word has length 241 [2021-11-17 07:11:58,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:11:58,215 INFO L470 AbstractCegarLoop]: Abstraction has 3189 states and 4476 transitions. [2021-11-17 07:11:58,215 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) [2021-11-17 07:11:58,215 INFO L276 IsEmpty]: Start isEmpty. Operand 3189 states and 4476 transitions. [2021-11-17 07:11:58,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-11-17 07:11:58,221 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:11:58,221 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] [2021-11-17 07:11:58,221 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 07:11:58,221 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)] === [2021-11-17 07:11:58,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:11:58,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1323994548, now seen corresponding path program 1 times [2021-11-17 07:11:58,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:11:58,222 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612876054] [2021-11-17 07:11:58,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:11:58,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:11:58,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:58,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:11:58,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:58,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:11:58,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:58,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:11:58,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:58,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:11:58,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:58,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:11:58,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:58,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:11:58,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:58,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:11:58,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:58,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:11:58,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:58,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:11:58,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:58,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:11:58,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:58,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:11:58,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:58,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:11:58,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:58,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:11:58,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:58,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:11:58,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:58,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 07:11:58,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:58,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:11:58,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:58,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 07:11:58,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:58,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:11:58,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:58,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 07:11:58,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:58,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:11:58,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:58,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 07:11:58,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:58,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:11:58,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:58,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 07:11:58,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:58,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:11:58,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:58,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 07:11:58,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:58,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:11:58,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:58,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 07:11:58,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:58,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:11:58,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:58,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 07:11:58,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:58,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:11:58,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:58,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 07:11:58,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:58,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:11:58,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:58,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 07:11:58,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:58,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:11:58,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:58,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 07:11:58,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:58,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:11:58,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:58,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 07:11:58,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:58,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:11:58,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:58,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 07:11:58,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:58,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-11-17 07:11:58,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:58,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:11:58,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:58,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:11:58,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:58,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-17 07:11:58,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:11:58,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2021-11-17 07:11:58,724 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:11:58,725 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612876054] [2021-11-17 07:11:58,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612876054] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:11:58,725 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:11:58,725 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 07:11:58,727 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584037250] [2021-11-17 07:11:58,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:11:58,729 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 07:11:58,730 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:11:58,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 07:11:58,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 07:11:58,732 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) [2021-11-17 07:12:01,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:12:01,640 INFO L93 Difference]: Finished difference Result 7200 states and 10027 transitions. [2021-11-17 07:12:01,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 07:12:01,640 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 [2021-11-17 07:12:01,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:12:01,664 INFO L225 Difference]: With dead ends: 7200 [2021-11-17 07:12:01,664 INFO L226 Difference]: Without dead ends: 4054 [2021-11-17 07:12:01,678 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 [2021-11-17 07:12:01,679 INFO L933 BasicCegarLoop]: 2650 mSDtfsCounter, 1992 mSDsluCounter, 3327 mSDsCounter, 0 mSdLazyCounter, 1179 mSolverCounterSat, 850 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2187 SdHoareTripleChecker+Valid, 5977 SdHoareTripleChecker+Invalid, 2029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 850 IncrementalHoareTripleChecker+Valid, 1179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-17 07:12:01,680 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2187 Valid, 5977 Invalid, 2029 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [850 Valid, 1179 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-17 07:12:01,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4054 states. [2021-11-17 07:12:01,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4054 to 3755. [2021-11-17 07:12:01,785 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) [2021-11-17 07:12:01,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3755 states to 3755 states and 5117 transitions. [2021-11-17 07:12:01,803 INFO L78 Accepts]: Start accepts. Automaton has 3755 states and 5117 transitions. Word has length 269 [2021-11-17 07:12:01,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:12:01,804 INFO L470 AbstractCegarLoop]: Abstraction has 3755 states and 5117 transitions. [2021-11-17 07:12:01,805 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) [2021-11-17 07:12:01,805 INFO L276 IsEmpty]: Start isEmpty. Operand 3755 states and 5117 transitions. [2021-11-17 07:12:01,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2021-11-17 07:12:01,809 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:12:01,809 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] [2021-11-17 07:12:01,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 07:12:01,809 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)] === [2021-11-17 07:12:01,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:12:01,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1996046415, now seen corresponding path program 1 times [2021-11-17 07:12:01,810 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:12:01,810 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171981591] [2021-11-17 07:12:01,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:12:01,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:12:01,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:01,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:12:01,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:01,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:01,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:01,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:12:01,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:01,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:01,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:01,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:12:01,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:02,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:02,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:02,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:12:02,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:02,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:02,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:02,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:12:02,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:02,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:02,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:02,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:12:02,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:02,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:02,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:02,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:12:02,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:02,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:02,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:02,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 07:12:02,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:02,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:02,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:02,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 07:12:02,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:02,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:02,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:02,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 07:12:02,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:02,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:02,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:02,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 07:12:02,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:02,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:02,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:02,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 07:12:02,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:02,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:02,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:02,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 07:12:02,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:02,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:02,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:02,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 07:12:02,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:02,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:02,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:02,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 07:12:02,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:02,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:02,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:02,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 07:12:02,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:02,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:02,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 07:12:02,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:02,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:02,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:02,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 07:12:02,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:02,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:02,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:02,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 07:12:02,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:02,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:02,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:02,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 07:12:02,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:02,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-17 07:12:02,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:02,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-11-17 07:12:02,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:02,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:02,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:02,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:02,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:02,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 07:12:02,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:02,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:02,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:02,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:02,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:02,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-17 07:12:02,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:02,332 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2021-11-17 07:12:02,333 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:12:02,333 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171981591] [2021-11-17 07:12:02,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171981591] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:12:02,333 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:12:02,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 07:12:02,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915576046] [2021-11-17 07:12:02,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:12:02,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 07:12:02,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:12:02,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 07:12:02,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 07:12:02,335 INFO L87 Difference]: Start difference. First operand 3755 states and 5117 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 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) [2021-11-17 07:12:04,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:12:04,480 INFO L93 Difference]: Finished difference Result 6835 states and 9329 transitions. [2021-11-17 07:12:04,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 07:12:04,480 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 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 [2021-11-17 07:12:04,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:12:04,494 INFO L225 Difference]: With dead ends: 6835 [2021-11-17 07:12:04,494 INFO L226 Difference]: Without dead ends: 3123 [2021-11-17 07:12:04,507 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 07:12:04,508 INFO L933 BasicCegarLoop]: 2171 mSDtfsCounter, 2344 mSDsluCounter, 1190 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 547 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2539 SdHoareTripleChecker+Valid, 3361 SdHoareTripleChecker+Invalid, 1062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 547 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-17 07:12:04,508 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2539 Valid, 3361 Invalid, 1062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [547 Valid, 515 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-17 07:12:04,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3123 states. [2021-11-17 07:12:04,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3123 to 2908. [2021-11-17 07:12:04,575 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) [2021-11-17 07:12:04,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2908 states to 2908 states and 3923 transitions. [2021-11-17 07:12:04,583 INFO L78 Accepts]: Start accepts. Automaton has 2908 states and 3923 transitions. Word has length 295 [2021-11-17 07:12:04,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:12:04,587 INFO L470 AbstractCegarLoop]: Abstraction has 2908 states and 3923 transitions. [2021-11-17 07:12:04,587 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 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) [2021-11-17 07:12:04,587 INFO L276 IsEmpty]: Start isEmpty. Operand 2908 states and 3923 transitions. [2021-11-17 07:12:04,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-11-17 07:12:04,592 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:12:04,593 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] [2021-11-17 07:12:04,593 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 07:12:04,593 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)] === [2021-11-17 07:12:04,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:12:04,593 INFO L85 PathProgramCache]: Analyzing trace with hash 916585238, now seen corresponding path program 1 times [2021-11-17 07:12:04,594 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:12:04,594 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054177683] [2021-11-17 07:12:04,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:12:04,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:12:04,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:04,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:12:04,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:04,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:04,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:04,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:12:04,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:04,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:04,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:04,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:12:04,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:04,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:04,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:04,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:12:04,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:04,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:04,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:04,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:12:04,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:04,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:04,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:04,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:12:04,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:05,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:05,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:05,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:12:05,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:05,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:05,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:05,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 07:12:05,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:05,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:05,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:05,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 07:12:05,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:05,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:05,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:05,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 07:12:05,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:05,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:05,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:05,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 07:12:05,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:05,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:05,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:05,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 07:12:05,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:05,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:05,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:05,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 07:12:05,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:05,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:05,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:05,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 07:12:05,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:05,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:05,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:05,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 07:12:05,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:05,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:05,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:05,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 07:12:05,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:05,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:05,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:05,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 07:12:05,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:05,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:05,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:05,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 07:12:05,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:05,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:05,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:05,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 07:12:05,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:05,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:05,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:05,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 07:12:05,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:05,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 07:12:05,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:05,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:12:05,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:05,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:05,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:05,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 07:12:05,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:05,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:05,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:05,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-11-17 07:12:05,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:05,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 07:12:05,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:05,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-11-17 07:12:05,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:05,263 INFO L134 CoverageAnalysis]: Checked inductivity of 1803 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1803 trivial. 0 not checked. [2021-11-17 07:12:05,264 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:12:05,264 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054177683] [2021-11-17 07:12:05,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054177683] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:12:05,264 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:12:05,264 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 07:12:05,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234928468] [2021-11-17 07:12:05,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:12:05,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 07:12:05,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:12:05,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 07:12:05,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-17 07:12:05,266 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) [2021-11-17 07:12:07,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:12:07,540 INFO L93 Difference]: Finished difference Result 3210 states and 4411 transitions. [2021-11-17 07:12:07,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 07:12:07,540 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 [2021-11-17 07:12:07,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:12:07,553 INFO L225 Difference]: With dead ends: 3210 [2021-11-17 07:12:07,553 INFO L226 Difference]: Without dead ends: 3208 [2021-11-17 07:12:07,554 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 [2021-11-17 07:12:07,554 INFO L933 BasicCegarLoop]: 2127 mSDtfsCounter, 2701 mSDsluCounter, 4952 mSDsCounter, 0 mSdLazyCounter, 1264 mSolverCounterSat, 1021 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2901 SdHoareTripleChecker+Valid, 7079 SdHoareTripleChecker+Invalid, 2285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1021 IncrementalHoareTripleChecker+Valid, 1264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-17 07:12:07,555 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2901 Valid, 7079 Invalid, 2285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1021 Valid, 1264 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-17 07:12:07,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2021-11-17 07:12:07,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 2912. [2021-11-17 07:12:07,621 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) [2021-11-17 07:12:07,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2912 states to 2912 states and 3926 transitions. [2021-11-17 07:12:07,628 INFO L78 Accepts]: Start accepts. Automaton has 2912 states and 3926 transitions. Word has length 302 [2021-11-17 07:12:07,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:12:07,628 INFO L470 AbstractCegarLoop]: Abstraction has 2912 states and 3926 transitions. [2021-11-17 07:12:07,629 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) [2021-11-17 07:12:07,629 INFO L276 IsEmpty]: Start isEmpty. Operand 2912 states and 3926 transitions. [2021-11-17 07:12:07,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2021-11-17 07:12:07,633 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:12:07,633 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] [2021-11-17 07:12:07,633 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 07:12:07,633 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)] === [2021-11-17 07:12:07,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:12:07,634 INFO L85 PathProgramCache]: Analyzing trace with hash -256952123, now seen corresponding path program 1 times [2021-11-17 07:12:07,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:12:07,634 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734492039] [2021-11-17 07:12:07,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:12:07,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:12:07,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:07,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:12:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:07,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:07,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:07,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:12:07,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:07,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:07,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:07,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:12:07,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:07,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:07,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:07,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:12:07,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:07,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:07,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:07,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:12:07,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:07,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:07,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:07,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:12:07,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:07,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:07,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:07,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:12:07,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:07,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:07,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:07,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 07:12:07,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:07,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:07,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:07,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 07:12:07,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:08,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:08,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:08,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 07:12:08,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:08,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:08,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:08,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 07:12:08,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:08,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:08,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 07:12:08,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:08,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:08,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:08,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 07:12:08,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:08,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:08,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:08,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 07:12:08,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:08,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:08,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 07:12:08,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:08,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:08,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:08,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 07:12:08,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:08,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:08,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:08,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 07:12:08,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:08,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:08,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:08,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 07:12:08,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:08,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:08,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:08,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 07:12:08,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:08,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:08,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:08,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 07:12:08,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:08,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 07:12:08,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:08,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:12:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:08,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:08,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:08,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 07:12:08,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:08,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:08,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:08,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-11-17 07:12:08,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:08,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 07:12:08,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:08,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-11-17 07:12:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:08,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-11-17 07:12:08,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:08,212 INFO L134 CoverageAnalysis]: Checked inductivity of 1805 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1803 trivial. 0 not checked. [2021-11-17 07:12:08,212 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:12:08,212 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734492039] [2021-11-17 07:12:08,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734492039] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:12:08,213 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:12:08,213 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 07:12:08,213 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222270260] [2021-11-17 07:12:08,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:12:08,213 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 07:12:08,214 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:12:08,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 07:12:08,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-17 07:12:08,214 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) [2021-11-17 07:12:11,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:12:11,034 INFO L93 Difference]: Finished difference Result 3214 states and 4414 transitions. [2021-11-17 07:12:11,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 07:12:11,035 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 [2021-11-17 07:12:11,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:12:11,046 INFO L225 Difference]: With dead ends: 3214 [2021-11-17 07:12:11,046 INFO L226 Difference]: Without dead ends: 3212 [2021-11-17 07:12:11,047 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 [2021-11-17 07:12:11,048 INFO L933 BasicCegarLoop]: 2129 mSDtfsCounter, 2363 mSDsluCounter, 5884 mSDsCounter, 0 mSdLazyCounter, 1839 mSolverCounterSat, 606 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2564 SdHoareTripleChecker+Valid, 8013 SdHoareTripleChecker+Invalid, 2445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 606 IncrementalHoareTripleChecker+Valid, 1839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-17 07:12:11,050 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2564 Valid, 8013 Invalid, 2445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [606 Valid, 1839 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-17 07:12:11,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3212 states. [2021-11-17 07:12:11,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3212 to 2916. [2021-11-17 07:12:11,152 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) [2021-11-17 07:12:11,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2916 states to 2916 states and 3929 transitions. [2021-11-17 07:12:11,161 INFO L78 Accepts]: Start accepts. Automaton has 2916 states and 3929 transitions. Word has length 307 [2021-11-17 07:12:11,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:12:11,162 INFO L470 AbstractCegarLoop]: Abstraction has 2916 states and 3929 transitions. [2021-11-17 07:12:11,162 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) [2021-11-17 07:12:11,163 INFO L276 IsEmpty]: Start isEmpty. Operand 2916 states and 3929 transitions. [2021-11-17 07:12:11,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2021-11-17 07:12:11,168 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:12:11,168 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 07:12:11,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 07:12:11,169 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)] === [2021-11-17 07:12:11,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:12:11,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1460291393, now seen corresponding path program 1 times [2021-11-17 07:12:11,169 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:12:11,171 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93677275] [2021-11-17 07:12:11,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:12:11,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:12:11,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:12:11,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:11,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:12:11,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:11,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:12:11,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:11,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:12:11,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:11,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:12:11,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:11,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:12:11,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:11,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:12:11,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:11,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 07:12:11,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:11,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 07:12:11,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:11,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 07:12:11,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 07:12:11,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:11,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 07:12:11,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:11,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 07:12:11,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:11,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 07:12:11,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:11,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 07:12:11,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:11,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 07:12:11,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:11,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 07:12:11,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:11,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 07:12:11,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:11,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 07:12:11,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:11,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 07:12:11,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 07:12:11,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:12:11,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:11,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 07:12:11,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:11,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-11-17 07:12:11,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 07:12:11,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-11-17 07:12:11,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:11,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 07:12:11,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-11-17 07:12:11,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-11-17 07:12:11,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:11,654 INFO L134 CoverageAnalysis]: Checked inductivity of 1798 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1789 trivial. 0 not checked. [2021-11-17 07:12:11,654 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:12:11,655 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93677275] [2021-11-17 07:12:11,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93677275] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:12:11,655 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:12:11,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 07:12:11,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187836583] [2021-11-17 07:12:11,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:12:11,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 07:12:11,656 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:12:11,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 07:12:11,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-17 07:12:11,657 INFO L87 Difference]: Start difference. First operand 2916 states and 3929 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, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-11-17 07:12:14,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:12:14,504 INFO L93 Difference]: Finished difference Result 7677 states and 10557 transitions. [2021-11-17 07:12:14,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 07:12:14,504 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, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 321 [2021-11-17 07:12:14,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:12:14,584 INFO L225 Difference]: With dead ends: 7677 [2021-11-17 07:12:14,584 INFO L226 Difference]: Without dead ends: 5344 [2021-11-17 07:12:14,590 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-11-17 07:12:14,592 INFO L933 BasicCegarLoop]: 3936 mSDtfsCounter, 2560 mSDsluCounter, 4006 mSDsCounter, 0 mSdLazyCounter, 1429 mSolverCounterSat, 1132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2771 SdHoareTripleChecker+Valid, 7942 SdHoareTripleChecker+Invalid, 2561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1132 IncrementalHoareTripleChecker+Valid, 1429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-17 07:12:14,592 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2771 Valid, 7942 Invalid, 2561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1132 Valid, 1429 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-17 07:12:14,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5344 states. [2021-11-17 07:12:14,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5344 to 4836. [2021-11-17 07:12:14,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4836 states, 3423 states have (on average 1.294770669003798) internal successors, (4432), 3441 states have internal predecessors, (4432), 1069 states have call successors, (1069), 342 states have call predecessors, (1069), 341 states have return successors, (1065), 1060 states have call predecessors, (1065), 1065 states have call successors, (1065) [2021-11-17 07:12:14,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4836 states to 4836 states and 6566 transitions. [2021-11-17 07:12:14,744 INFO L78 Accepts]: Start accepts. Automaton has 4836 states and 6566 transitions. Word has length 321 [2021-11-17 07:12:14,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:12:14,746 INFO L470 AbstractCegarLoop]: Abstraction has 4836 states and 6566 transitions. [2021-11-17 07:12:14,746 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, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-11-17 07:12:14,746 INFO L276 IsEmpty]: Start isEmpty. Operand 4836 states and 6566 transitions. [2021-11-17 07:12:14,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2021-11-17 07:12:14,752 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:12:14,753 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] [2021-11-17 07:12:14,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 07:12:14,753 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 07:12:14,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:12:14,754 INFO L85 PathProgramCache]: Analyzing trace with hash -1189263306, now seen corresponding path program 1 times [2021-11-17 07:12:14,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:12:14,754 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838639762] [2021-11-17 07:12:14,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:12:14,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:12:14,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:14,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:12:14,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:14,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:14,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:14,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:12:14,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:14,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:14,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:15,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:12:15,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:15,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:15,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:15,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:12:15,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:15,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:15,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:15,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:12:15,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:15,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:15,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:15,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:12:15,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:15,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:15,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:15,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:12:15,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:15,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:15,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 07:12:15,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:15,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:15,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:15,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 07:12:15,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:15,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:15,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:15,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 07:12:15,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:15,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:15,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:15,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 07:12:15,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:15,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:15,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:15,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 07:12:15,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:15,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:15,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:15,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 07:12:15,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:15,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:15,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:15,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 07:12:15,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:15,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:15,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:15,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 07:12:15,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:15,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:15,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:15,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 07:12:15,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:15,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:15,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:15,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 07:12:15,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:15,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:15,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:15,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 07:12:15,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:15,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:15,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:15,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 07:12:15,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:15,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:15,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:15,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 07:12:15,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:15,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 07:12:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:15,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:12:15,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:15,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:15,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:15,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 07:12:15,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:15,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:15,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:15,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-11-17 07:12:15,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:15,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 07:12:15,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:15,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-11-17 07:12:15,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:15,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-11-17 07:12:15,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:15,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 07:12:15,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:15,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1811 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1807 trivial. 0 not checked. [2021-11-17 07:12:15,362 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:12:15,362 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838639762] [2021-11-17 07:12:15,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838639762] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:12:15,362 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:12:15,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 07:12:15,362 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734707348] [2021-11-17 07:12:15,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:12:15,363 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 07:12:15,364 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:12:15,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 07:12:15,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-17 07:12:15,364 INFO L87 Difference]: Start difference. First operand 4836 states and 6566 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) [2021-11-17 07:12:16,506 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:12:18,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:12:18,290 INFO L93 Difference]: Finished difference Result 5326 states and 7356 transitions. [2021-11-17 07:12:18,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 07:12:18,290 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 [2021-11-17 07:12:18,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:12:18,339 INFO L225 Difference]: With dead ends: 5326 [2021-11-17 07:12:18,344 INFO L226 Difference]: Without dead ends: 5324 [2021-11-17 07:12:18,350 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2021-11-17 07:12:18,351 INFO L933 BasicCegarLoop]: 2129 mSDtfsCounter, 2690 mSDsluCounter, 4949 mSDsCounter, 0 mSdLazyCounter, 1264 mSolverCounterSat, 1019 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2891 SdHoareTripleChecker+Valid, 7078 SdHoareTripleChecker+Invalid, 2283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1019 IncrementalHoareTripleChecker+Valid, 1264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-17 07:12:18,351 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2891 Valid, 7078 Invalid, 2283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1019 Valid, 1264 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-17 07:12:18,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5324 states. [2021-11-17 07:12:18,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5324 to 4840. [2021-11-17 07:12:18,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4840 states, 3426 states have (on average 1.2945125510799766) internal successors, (4435), 3444 states have internal predecessors, (4435), 1069 states have call successors, (1069), 343 states have call predecessors, (1069), 342 states have return successors, (1065), 1060 states have call predecessors, (1065), 1065 states have call successors, (1065) [2021-11-17 07:12:18,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4840 states to 4840 states and 6569 transitions. [2021-11-17 07:12:18,535 INFO L78 Accepts]: Start accepts. Automaton has 4840 states and 6569 transitions. Word has length 312 [2021-11-17 07:12:18,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:12:18,536 INFO L470 AbstractCegarLoop]: Abstraction has 4840 states and 6569 transitions. [2021-11-17 07:12:18,536 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) [2021-11-17 07:12:18,536 INFO L276 IsEmpty]: Start isEmpty. Operand 4840 states and 6569 transitions. [2021-11-17 07:12:18,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2021-11-17 07:12:18,540 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:12:18,541 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] [2021-11-17 07:12:18,541 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-17 07:12:18,541 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 07:12:18,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:12:18,542 INFO L85 PathProgramCache]: Analyzing trace with hash -645551354, now seen corresponding path program 1 times [2021-11-17 07:12:18,542 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:12:18,542 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566991971] [2021-11-17 07:12:18,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:12:18,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:12:18,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:12:18,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:18,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:12:18,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:18,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:12:18,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:12:18,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:18,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:12:18,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:18,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:12:18,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:18,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:12:18,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:18,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 07:12:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 07:12:18,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:18,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 07:12:18,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:18,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 07:12:18,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:18,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 07:12:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:18,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 07:12:18,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:18,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 07:12:18,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:18,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 07:12:18,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:18,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 07:12:18,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:18,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 07:12:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:18,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 07:12:18,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:18,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 07:12:18,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:18,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 07:12:18,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 07:12:18,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:12:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:12:18,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-11-17 07:12:18,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:18,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:12:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:12:18,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 07:12:18,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-11-17 07:12:18,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-11-17 07:12:18,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-11-17 07:12:18,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 07:12:18,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:18,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:18,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-17 07:12:18,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:18,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1821 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1821 trivial. 0 not checked. [2021-11-17 07:12:18,972 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:12:18,972 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566991971] [2021-11-17 07:12:18,972 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566991971] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:12:18,972 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:12:18,972 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 07:12:18,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049101815] [2021-11-17 07:12:18,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:12:18,973 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 07:12:18,973 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:12:18,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 07:12:18,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 07:12:18,974 INFO L87 Difference]: Start difference. First operand 4840 states and 6569 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) [2021-11-17 07:12:21,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:12:21,970 INFO L93 Difference]: Finished difference Result 13696 states and 18748 transitions. [2021-11-17 07:12:21,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 07:12:21,971 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 [2021-11-17 07:12:21,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:12:22,018 INFO L225 Difference]: With dead ends: 13696 [2021-11-17 07:12:22,018 INFO L226 Difference]: Without dead ends: 8920 [2021-11-17 07:12:22,036 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 [2021-11-17 07:12:22,036 INFO L933 BasicCegarLoop]: 2482 mSDtfsCounter, 2578 mSDsluCounter, 3137 mSDsCounter, 0 mSdLazyCounter, 1093 mSolverCounterSat, 913 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2789 SdHoareTripleChecker+Valid, 5619 SdHoareTripleChecker+Invalid, 2006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 913 IncrementalHoareTripleChecker+Valid, 1093 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-17 07:12:22,037 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2789 Valid, 5619 Invalid, 2006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [913 Valid, 1093 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-17 07:12:22,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8920 states. [2021-11-17 07:12:22,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8920 to 8260. [2021-11-17 07:12:22,261 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) [2021-11-17 07:12:22,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8260 states to 8260 states and 11199 transitions. [2021-11-17 07:12:22,284 INFO L78 Accepts]: Start accepts. Automaton has 8260 states and 11199 transitions. Word has length 332 [2021-11-17 07:12:22,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:12:22,285 INFO L470 AbstractCegarLoop]: Abstraction has 8260 states and 11199 transitions. [2021-11-17 07:12:22,285 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) [2021-11-17 07:12:22,285 INFO L276 IsEmpty]: Start isEmpty. Operand 8260 states and 11199 transitions. [2021-11-17 07:12:22,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2021-11-17 07:12:22,289 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:12:22,289 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] [2021-11-17 07:12:22,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-17 07:12:22,289 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)] === [2021-11-17 07:12:22,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:12:22,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1594969893, now seen corresponding path program 1 times [2021-11-17 07:12:22,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:12:22,290 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632002873] [2021-11-17 07:12:22,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:12:22,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:12:22,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:12:22,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:22,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:12:22,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:22,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:12:22,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:22,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:12:22,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:22,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:12:22,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:22,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:12:22,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:22,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:12:22,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:22,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 07:12:22,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:22,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 07:12:22,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:22,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 07:12:22,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:22,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 07:12:22,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:22,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 07:12:22,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:22,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 07:12:22,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:22,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 07:12:22,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:22,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 07:12:22,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:22,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 07:12:22,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:22,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 07:12:22,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:22,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 07:12:22,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:22,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 07:12:22,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:22,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 07:12:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 07:12:22,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:12:22,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:22,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 07:12:22,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:22,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-11-17 07:12:22,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 07:12:22,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-11-17 07:12:22,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-11-17 07:12:22,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 07:12:22,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-17 07:12:22,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:22,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1821 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1815 trivial. 0 not checked. [2021-11-17 07:12:22,951 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:12:22,951 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632002873] [2021-11-17 07:12:22,951 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632002873] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:12:22,951 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:12:22,951 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 07:12:22,951 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27737091] [2021-11-17 07:12:22,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:12:22,952 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 07:12:22,953 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:12:22,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 07:12:22,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-17 07:12:22,953 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) [2021-11-17 07:12:25,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:12:25,315 INFO L93 Difference]: Finished difference Result 9148 states and 12617 transitions. [2021-11-17 07:12:25,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 07:12:25,316 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 [2021-11-17 07:12:25,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:12:25,350 INFO L225 Difference]: With dead ends: 9148 [2021-11-17 07:12:25,350 INFO L226 Difference]: Without dead ends: 9146 [2021-11-17 07:12:25,356 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 [2021-11-17 07:12:25,357 INFO L933 BasicCegarLoop]: 2130 mSDtfsCounter, 2691 mSDsluCounter, 4952 mSDsCounter, 0 mSdLazyCounter, 1264 mSolverCounterSat, 1018 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2892 SdHoareTripleChecker+Valid, 7082 SdHoareTripleChecker+Invalid, 2282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1018 IncrementalHoareTripleChecker+Valid, 1264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-17 07:12:25,357 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2892 Valid, 7082 Invalid, 2282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1018 Valid, 1264 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-17 07:12:25,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9146 states. [2021-11-17 07:12:25,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9146 to 8264. [2021-11-17 07:12:25,590 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) [2021-11-17 07:12:25,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8264 states to 8264 states and 11202 transitions. [2021-11-17 07:12:25,706 INFO L78 Accepts]: Start accepts. Automaton has 8264 states and 11202 transitions. Word has length 317 [2021-11-17 07:12:25,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:12:25,707 INFO L470 AbstractCegarLoop]: Abstraction has 8264 states and 11202 transitions. [2021-11-17 07:12:25,707 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) [2021-11-17 07:12:25,707 INFO L276 IsEmpty]: Start isEmpty. Operand 8264 states and 11202 transitions. [2021-11-17 07:12:25,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2021-11-17 07:12:25,711 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:12:25,712 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] [2021-11-17 07:12:25,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-17 07:12:25,712 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)] === [2021-11-17 07:12:25,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:12:25,713 INFO L85 PathProgramCache]: Analyzing trace with hash 648306006, now seen corresponding path program 1 times [2021-11-17 07:12:25,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:12:25,713 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502520206] [2021-11-17 07:12:25,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:12:25,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:12:25,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:25,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:12:25,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:25,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:25,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:25,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:12:25,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:25,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:25,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:25,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:12:25,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:25,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:25,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:25,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:12:25,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:25,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:25,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:25,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:12:25,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:25,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:25,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:25,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:12:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:25,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:25,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:25,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:12:25,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:25,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:25,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:25,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 07:12:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:25,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:25,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:25,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 07:12:25,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:25,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:25,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:25,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 07:12:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:25,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:25,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:25,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 07:12:25,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:25,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:25,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:25,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 07:12:25,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:25,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:25,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:25,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 07:12:26,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:26,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:26,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:26,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 07:12:26,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:26,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:26,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:26,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 07:12:26,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:26,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:26,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:26,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 07:12:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:26,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:26,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:26,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 07:12:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:26,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:26,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:26,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 07:12:26,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:26,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:26,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:26,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 07:12:26,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:26,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:26,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:26,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 07:12:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:26,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 07:12:26,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:26,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:12:26,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:26,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:26,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:26,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 07:12:26,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:26,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:26,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:26,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-11-17 07:12:26,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:26,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 07:12:26,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:26,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-11-17 07:12:26,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:26,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-11-17 07:12:26,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:26,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 07:12:26,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:26,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-17 07:12:26,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:26,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-11-17 07:12:26,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:26,170 INFO L134 CoverageAnalysis]: Checked inductivity of 1835 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1827 trivial. 0 not checked. [2021-11-17 07:12:26,170 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:12:26,170 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502520206] [2021-11-17 07:12:26,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502520206] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:12:26,170 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:12:26,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 07:12:26,171 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552580320] [2021-11-17 07:12:26,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:12:26,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 07:12:26,171 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:12:26,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 07:12:26,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-17 07:12:26,172 INFO L87 Difference]: Start difference. First operand 8264 states and 11202 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) [2021-11-17 07:12:31,234 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:12:32,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:12:32,600 INFO L93 Difference]: Finished difference Result 17684 states and 24453 transitions. [2021-11-17 07:12:32,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-17 07:12:32,601 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 [2021-11-17 07:12:32,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:12:32,660 INFO L225 Difference]: With dead ends: 17684 [2021-11-17 07:12:32,660 INFO L226 Difference]: Without dead ends: 17680 [2021-11-17 07:12:32,669 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 [2021-11-17 07:12:32,670 INFO L933 BasicCegarLoop]: 2676 mSDtfsCounter, 2681 mSDsluCounter, 9230 mSDsCounter, 0 mSdLazyCounter, 2875 mSolverCounterSat, 960 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2906 SdHoareTripleChecker+Valid, 11906 SdHoareTripleChecker+Invalid, 3835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 960 IncrementalHoareTripleChecker+Valid, 2875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2021-11-17 07:12:32,671 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2906 Valid, 11906 Invalid, 3835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [960 Valid, 2875 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2021-11-17 07:12:32,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17680 states. [2021-11-17 07:12:33,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17680 to 15994. [2021-11-17 07:12:33,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15994 states, 11414 states have (on average 1.2977921850359209) internal successors, (14813), 11509 states have internal predecessors, (14813), 3453 states have call successors, (3453), 1119 states have call predecessors, (3453), 1124 states have return successors, (3561), 3393 states have call predecessors, (3561), 3445 states have call successors, (3561) [2021-11-17 07:12:33,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15994 states to 15994 states and 21827 transitions. [2021-11-17 07:12:33,323 INFO L78 Accepts]: Start accepts. Automaton has 15994 states and 21827 transitions. Word has length 322 [2021-11-17 07:12:33,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:12:33,324 INFO L470 AbstractCegarLoop]: Abstraction has 15994 states and 21827 transitions. [2021-11-17 07:12:33,324 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) [2021-11-17 07:12:33,324 INFO L276 IsEmpty]: Start isEmpty. Operand 15994 states and 21827 transitions. [2021-11-17 07:12:33,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2021-11-17 07:12:33,329 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:12:33,330 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 6, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 07:12:33,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-17 07:12:33,330 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)] === [2021-11-17 07:12:33,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:12:33,331 INFO L85 PathProgramCache]: Analyzing trace with hash 216171226, now seen corresponding path program 1 times [2021-11-17 07:12:33,331 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:12:33,331 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064232510] [2021-11-17 07:12:33,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:12:33,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:12:33,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:12:33,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:33,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:12:33,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:33,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:12:33,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:33,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:12:33,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:33,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:12:33,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:33,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:12:33,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:33,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:12:33,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:33,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 07:12:33,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:33,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 07:12:33,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:33,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 07:12:33,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:33,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 07:12:33,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:33,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 07:12:33,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:33,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 07:12:33,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:33,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 07:12:33,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:33,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 07:12:33,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:33,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 07:12:33,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:33,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 07:12:33,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:33,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 07:12:33,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 07:12:33,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:33,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 07:12:33,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 07:12:33,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:12:33,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:33,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 07:12:33,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:33,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-11-17 07:12:33,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 07:12:33,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-11-17 07:12:33,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:33,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 07:12:33,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-17 07:12:33,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-11-17 07:12:33,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 07:12:33,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2021-11-17 07:12:33,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-11-17 07:12:33,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:33,729 INFO L134 CoverageAnalysis]: Checked inductivity of 1841 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1825 trivial. 0 not checked. [2021-11-17 07:12:33,730 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:12:33,730 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064232510] [2021-11-17 07:12:33,730 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064232510] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:12:33,730 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:12:33,730 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 07:12:33,730 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064717841] [2021-11-17 07:12:33,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:12:33,731 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 07:12:33,731 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:12:33,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 07:12:33,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-17 07:12:33,732 INFO L87 Difference]: Start difference. First operand 15994 states and 21827 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, (38), 5 states have call predecessors, (38), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-11-17 07:12:37,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:12:37,644 INFO L93 Difference]: Finished difference Result 40888 states and 56467 transitions. [2021-11-17 07:12:37,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 07:12:37,644 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, (38), 5 states have call predecessors, (38), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 337 [2021-11-17 07:12:37,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:12:37,748 INFO L225 Difference]: With dead ends: 40888 [2021-11-17 07:12:37,748 INFO L226 Difference]: Without dead ends: 25260 [2021-11-17 07:12:37,802 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-11-17 07:12:37,804 INFO L933 BasicCegarLoop]: 3982 mSDtfsCounter, 2504 mSDsluCounter, 6145 mSDsCounter, 0 mSdLazyCounter, 2195 mSolverCounterSat, 1056 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2717 SdHoareTripleChecker+Valid, 10127 SdHoareTripleChecker+Invalid, 3251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1056 IncrementalHoareTripleChecker+Valid, 2195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-17 07:12:37,804 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2717 Valid, 10127 Invalid, 3251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1056 Valid, 2195 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-17 07:12:37,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25260 states. [2021-11-17 07:12:38,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25260 to 23000. [2021-11-17 07:12:38,602 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) [2021-11-17 07:12:38,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23000 states to 23000 states and 31475 transitions. [2021-11-17 07:12:38,676 INFO L78 Accepts]: Start accepts. Automaton has 23000 states and 31475 transitions. Word has length 337 [2021-11-17 07:12:38,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:12:38,677 INFO L470 AbstractCegarLoop]: Abstraction has 23000 states and 31475 transitions. [2021-11-17 07:12:38,677 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, (38), 5 states have call predecessors, (38), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-11-17 07:12:38,677 INFO L276 IsEmpty]: Start isEmpty. Operand 23000 states and 31475 transitions. [2021-11-17 07:12:38,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2021-11-17 07:12:38,681 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:12:38,681 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] [2021-11-17 07:12:38,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-17 07:12:38,682 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)] === [2021-11-17 07:12:38,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:12:38,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1518640517, now seen corresponding path program 1 times [2021-11-17 07:12:38,682 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:12:38,682 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015056560] [2021-11-17 07:12:38,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:12:38,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:12:38,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:38,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:12:38,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:38,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:38,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:38,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:12:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:38,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:38,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:38,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:12:38,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:38,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:38,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:38,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:12:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:38,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:38,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:12:38,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:38,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:38,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:38,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:12:38,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:38,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:38,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:38,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:12:38,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:38,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:38,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:38,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 07:12:38,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:38,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:38,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:38,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 07:12:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:38,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:38,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:38,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 07:12:38,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:38,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:38,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:38,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 07:12:38,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:38,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:38,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:38,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 07:12:38,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:38,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:38,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:38,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 07:12:38,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:38,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:38,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:38,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 07:12:38,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:38,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:38,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:38,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 07:12:38,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:38,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:38,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:38,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 07:12:38,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:39,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:39,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:39,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 07:12:39,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:39,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:39,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:39,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 07:12:39,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:39,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:39,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:39,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 07:12:39,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:39,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:39,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:39,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 07:12:39,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:39,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 07:12:39,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:39,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:12:39,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:39,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:39,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:39,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 07:12:39,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:39,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:39,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:39,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-11-17 07:12:39,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:39,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 07:12:39,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:39,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-11-17 07:12:39,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:39,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-11-17 07:12:39,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:39,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 07:12:39,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:39,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-17 07:12:39,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:39,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-11-17 07:12:39,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:39,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 07:12:39,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:39,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1853 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1843 trivial. 0 not checked. [2021-11-17 07:12:39,131 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:12:39,131 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015056560] [2021-11-17 07:12:39,131 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015056560] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:12:39,131 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:12:39,131 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 07:12:39,132 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871598099] [2021-11-17 07:12:39,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:12:39,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 07:12:39,132 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:12:39,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 07:12:39,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-17 07:12:39,133 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) [2021-11-17 07:12:41,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:12:41,941 INFO L93 Difference]: Finished difference Result 25262 states and 35038 transitions. [2021-11-17 07:12:41,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 07:12:41,968 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 [2021-11-17 07:12:41,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:12:42,065 INFO L225 Difference]: With dead ends: 25262 [2021-11-17 07:12:42,066 INFO L226 Difference]: Without dead ends: 24667 [2021-11-17 07:12:42,088 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2021-11-17 07:12:42,089 INFO L933 BasicCegarLoop]: 2132 mSDtfsCounter, 2694 mSDsluCounter, 4957 mSDsCounter, 0 mSdLazyCounter, 1264 mSolverCounterSat, 1023 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2895 SdHoareTripleChecker+Valid, 7089 SdHoareTripleChecker+Invalid, 2287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1023 IncrementalHoareTripleChecker+Valid, 1264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-17 07:12:42,090 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2895 Valid, 7089 Invalid, 2287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1023 Valid, 1264 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-17 07:12:42,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24667 states. [2021-11-17 07:12:42,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24667 to 22489. [2021-11-17 07:12:42,896 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) [2021-11-17 07:12:42,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22489 states to 22489 states and 30828 transitions. [2021-11-17 07:12:42,978 INFO L78 Accepts]: Start accepts. Automaton has 22489 states and 30828 transitions. Word has length 327 [2021-11-17 07:12:42,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:12:42,979 INFO L470 AbstractCegarLoop]: Abstraction has 22489 states and 30828 transitions. [2021-11-17 07:12:42,980 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) [2021-11-17 07:12:42,980 INFO L276 IsEmpty]: Start isEmpty. Operand 22489 states and 30828 transitions. [2021-11-17 07:12:42,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2021-11-17 07:12:42,988 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:12:42,988 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] [2021-11-17 07:12:42,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-17 07:12:42,988 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)] === [2021-11-17 07:12:42,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:12:42,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1868247389, now seen corresponding path program 1 times [2021-11-17 07:12:42,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:12:42,989 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434171126] [2021-11-17 07:12:42,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:12:42,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:12:43,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:12:43,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:43,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:12:43,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:43,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:12:43,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:43,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:12:43,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:43,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:12:43,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:43,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:12:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:43,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:12:43,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:43,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 07:12:43,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:43,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 07:12:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:43,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 07:12:43,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:43,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 07:12:43,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:43,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 07:12:43,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:43,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 07:12:43,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:43,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 07:12:43,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:43,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 07:12:43,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:43,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 07:12:43,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:43,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 07:12:43,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:43,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 07:12:43,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:43,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 07:12:43,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 07:12:43,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 07:12:43,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:12:43,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:43,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 07:12:43,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:43,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-11-17 07:12:43,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 07:12:43,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-11-17 07:12:43,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 07:12:43,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 07:12:43,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 07:12:43,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-11-17 07:12:43,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-11-17 07:12:43,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:43,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:43,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-17 07:12:43,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:43,378 INFO L134 CoverageAnalysis]: Checked inductivity of 2254 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 2218 trivial. 0 not checked. [2021-11-17 07:12:43,378 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:12:43,378 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434171126] [2021-11-17 07:12:43,378 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434171126] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:12:43,378 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:12:43,378 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 07:12:43,379 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71528170] [2021-11-17 07:12:43,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:12:43,379 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 07:12:43,379 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:12:43,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 07:12:43,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-17 07:12:43,380 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) [2021-11-17 07:12:49,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:12:49,214 INFO L93 Difference]: Finished difference Result 54550 states and 75437 transitions. [2021-11-17 07:12:49,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 07:12:49,216 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 382 [2021-11-17 07:12:49,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:12:49,439 INFO L225 Difference]: With dead ends: 54550 [2021-11-17 07:12:49,439 INFO L226 Difference]: Without dead ends: 32019 [2021-11-17 07:12:49,596 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-17 07:12:49,598 INFO L933 BasicCegarLoop]: 3949 mSDtfsCounter, 2212 mSDsluCounter, 5738 mSDsCounter, 0 mSdLazyCounter, 2495 mSolverCounterSat, 625 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2423 SdHoareTripleChecker+Valid, 9687 SdHoareTripleChecker+Invalid, 3120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 625 IncrementalHoareTripleChecker+Valid, 2495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2021-11-17 07:12:49,599 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2423 Valid, 9687 Invalid, 3120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [625 Valid, 2495 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2021-11-17 07:12:49,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32019 states. [2021-11-17 07:12:50,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32019 to 29188. [2021-11-17 07:12:50,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29188 states, 20888 states have (on average 1.3047682880122558) internal successors, (27254), 21017 states have internal predecessors, (27254), 6297 states have call successors, (6297), 1986 states have call predecessors, (6297), 2000 states have return successors, (6525), 6232 states have call predecessors, (6525), 6293 states have call successors, (6525) [2021-11-17 07:12:50,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29188 states to 29188 states and 40076 transitions. [2021-11-17 07:12:50,679 INFO L78 Accepts]: Start accepts. Automaton has 29188 states and 40076 transitions. Word has length 382 [2021-11-17 07:12:50,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:12:50,680 INFO L470 AbstractCegarLoop]: Abstraction has 29188 states and 40076 transitions. [2021-11-17 07:12:50,680 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2021-11-17 07:12:50,680 INFO L276 IsEmpty]: Start isEmpty. Operand 29188 states and 40076 transitions. [2021-11-17 07:12:50,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2021-11-17 07:12:50,688 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:12:50,688 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] [2021-11-17 07:12:50,688 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-17 07:12:50,688 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 07:12:50,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:12:50,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1118225885, now seen corresponding path program 1 times [2021-11-17 07:12:50,689 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:12:50,689 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791418385] [2021-11-17 07:12:50,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:12:50,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:12:50,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:50,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:12:50,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:50,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:50,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:50,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:12:50,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:50,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:50,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:50,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:12:50,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:50,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:50,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:50,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:12:50,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:50,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:50,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:50,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:12:50,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:50,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:50,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:50,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:12:50,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:50,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:50,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:50,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:12:50,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:50,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:50,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:50,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 07:12:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:50,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:50,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:50,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 07:12:50,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:50,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:50,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:50,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 07:12:50,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:50,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:50,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:50,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 07:12:50,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:50,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:50,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:50,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 07:12:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:50,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:50,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:50,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 07:12:50,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:50,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:50,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:50,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 07:12:50,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:50,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:50,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:50,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 07:12:50,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:50,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:50,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:50,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 07:12:50,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:50,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:50,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:50,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 07:12:50,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:50,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:50,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:50,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 07:12:50,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:50,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:50,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 07:12:50,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:50,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:51,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:51,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 07:12:51,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:51,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 07:12:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:51,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:12:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:51,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:51,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:51,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 07:12:51,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:51,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:51,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:51,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-11-17 07:12:51,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:51,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 07:12:51,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:51,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-11-17 07:12:51,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:51,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 07:12:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:51,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 07:12:51,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:51,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 07:12:51,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:51,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-11-17 07:12:51,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:51,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-11-17 07:12:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:51,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:51,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:51,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:51,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:51,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-17 07:12:51,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:51,095 INFO L134 CoverageAnalysis]: Checked inductivity of 2254 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2243 trivial. 0 not checked. [2021-11-17 07:12:51,095 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:12:51,095 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791418385] [2021-11-17 07:12:51,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791418385] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:12:51,096 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:12:51,096 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 07:12:51,096 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316605525] [2021-11-17 07:12:51,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:12:51,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 07:12:51,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:12:51,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 07:12:51,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-17 07:12:51,097 INFO L87 Difference]: Start difference. First operand 29188 states and 40076 transitions. Second operand has 5 states, 5 states have (on average 22.8) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-11-17 07:12:54,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:12:54,843 INFO L93 Difference]: Finished difference Result 69728 states and 95977 transitions. [2021-11-17 07:12:54,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 07:12:54,844 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (36), 4 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 382 [2021-11-17 07:12:54,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:12:54,983 INFO L225 Difference]: With dead ends: 69728 [2021-11-17 07:12:54,983 INFO L226 Difference]: Without dead ends: 40906 [2021-11-17 07:12:55,051 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-17 07:12:55,052 INFO L933 BasicCegarLoop]: 3010 mSDtfsCounter, 1579 mSDsluCounter, 3385 mSDsCounter, 0 mSdLazyCounter, 1265 mSolverCounterSat, 1019 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1707 SdHoareTripleChecker+Valid, 6395 SdHoareTripleChecker+Invalid, 2284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1019 IncrementalHoareTripleChecker+Valid, 1265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-17 07:12:55,052 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1707 Valid, 6395 Invalid, 2284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1019 Valid, 1265 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-17 07:12:55,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40906 states. [2021-11-17 07:12:56,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40906 to 36819. [2021-11-17 07:12:56,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36819 states, 26397 states have (on average 1.2958669545781718) internal successors, (34207), 26548 states have internal predecessors, (34207), 7737 states have call successors, (7737), 2668 states have call predecessors, (7737), 2682 states have return successors, (7977), 7652 states have call predecessors, (7977), 7733 states have call successors, (7977) [2021-11-17 07:12:56,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36819 states to 36819 states and 49921 transitions. [2021-11-17 07:12:56,413 INFO L78 Accepts]: Start accepts. Automaton has 36819 states and 49921 transitions. Word has length 382 [2021-11-17 07:12:56,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:12:56,414 INFO L470 AbstractCegarLoop]: Abstraction has 36819 states and 49921 transitions. [2021-11-17 07:12:56,414 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-11-17 07:12:56,415 INFO L276 IsEmpty]: Start isEmpty. Operand 36819 states and 49921 transitions. [2021-11-17 07:12:56,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2021-11-17 07:12:56,428 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:12:56,429 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 20, 20, 20, 20, 20, 20, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 07:12:56,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-17 07:12:56,429 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 07:12:56,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:12:56,430 INFO L85 PathProgramCache]: Analyzing trace with hash -1556034576, now seen corresponding path program 1 times [2021-11-17 07:12:56,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:12:56,430 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244133634] [2021-11-17 07:12:56,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:12:56,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:12:56,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:12:56,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:56,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:12:56,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:56,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:12:56,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:56,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:12:56,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:56,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:12:56,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:56,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:12:56,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:56,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:12:56,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:56,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 07:12:56,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:56,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 07:12:56,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:56,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 07:12:56,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:56,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 07:12:56,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:56,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 07:12:56,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:56,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 07:12:56,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:56,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 07:12:56,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:56,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 07:12:56,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:56,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 07:12:56,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:56,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 07:12:56,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 07:12:56,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:56,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 07:12:56,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:56,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 07:12:56,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 07:12:56,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:12:56,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:56,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 07:12:56,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:56,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-11-17 07:12:56,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 07:12:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-11-17 07:12:56,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 07:12:56,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 07:12:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:56,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-17 07:12:56,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:57,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-11-17 07:12:57,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:57,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-11-17 07:12:57,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:57,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:57,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:57,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:12:57,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:57,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:12:57,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:57,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 07:12:57,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:57,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:57,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:57,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:12:57,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:57,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:12:57,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:57,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-11-17 07:12:57,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:57,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-17 07:12:57,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:57,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-11-17 07:12:57,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:57,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-11-17 07:12:57,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:57,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2021-11-17 07:12:57,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:57,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:57,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:57,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:12:57,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:57,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-17 07:12:57,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:12:57,097 INFO L134 CoverageAnalysis]: Checked inductivity of 2363 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 2329 trivial. 0 not checked. [2021-11-17 07:12:57,097 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:12:57,097 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244133634] [2021-11-17 07:12:57,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244133634] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:12:57,098 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:12:57,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 07:12:57,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674565628] [2021-11-17 07:12:57,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:12:57,099 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 07:12:57,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:12:57,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 07:12:57,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-17 07:12:57,099 INFO L87 Difference]: Start difference. First operand 36819 states and 49921 transitions. Second operand has 5 states, 5 states have (on average 28.2) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2021-11-17 07:13:01,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:13:01,080 INFO L93 Difference]: Finished difference Result 86950 states and 119026 transitions. [2021-11-17 07:13:01,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 07:13:01,081 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 444 [2021-11-17 07:13:01,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:13:01,272 INFO L225 Difference]: With dead ends: 86950 [2021-11-17 07:13:01,273 INFO L226 Difference]: Without dead ends: 50497 [2021-11-17 07:13:01,363 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-17 07:13:01,364 INFO L933 BasicCegarLoop]: 3875 mSDtfsCounter, 2527 mSDsluCounter, 3967 mSDsCounter, 0 mSdLazyCounter, 1416 mSolverCounterSat, 1080 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2738 SdHoareTripleChecker+Valid, 7842 SdHoareTripleChecker+Invalid, 2496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1080 IncrementalHoareTripleChecker+Valid, 1416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-17 07:13:01,364 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2738 Valid, 7842 Invalid, 2496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1080 Valid, 1416 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-17 07:13:01,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50497 states. [2021-11-17 07:13:02,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50497 to 45559. [2021-11-17 07:13:03,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45559 states, 32705 states have (on average 1.2968964990062681) internal successors, (42415), 32880 states have internal predecessors, (42415), 9545 states have call successors, (9545), 3288 states have call predecessors, (9545), 3306 states have return successors, (9846), 9450 states have call predecessors, (9846), 9541 states have call successors, (9846) [2021-11-17 07:13:03,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45559 states to 45559 states and 61806 transitions. [2021-11-17 07:13:03,171 INFO L78 Accepts]: Start accepts. Automaton has 45559 states and 61806 transitions. Word has length 444 [2021-11-17 07:13:03,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:13:03,171 INFO L470 AbstractCegarLoop]: Abstraction has 45559 states and 61806 transitions. [2021-11-17 07:13:03,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2021-11-17 07:13:03,172 INFO L276 IsEmpty]: Start isEmpty. Operand 45559 states and 61806 transitions. [2021-11-17 07:13:03,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2021-11-17 07:13:03,190 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:13:03,190 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 20, 20, 20, 20, 20, 20, 9, 9, 9, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 07:13:03,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-17 07:13:03,191 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 07:13:03,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:13:03,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1009081626, now seen corresponding path program 1 times [2021-11-17 07:13:03,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:13:03,192 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850495746] [2021-11-17 07:13:03,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:13:03,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:13:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:13:03,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:03,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:13:03,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:03,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:13:03,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:13:03,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:03,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:13:03,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:03,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:13:03,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:03,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:13:03,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:03,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 07:13:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:03,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 07:13:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:03,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 07:13:03,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:03,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 07:13:03,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:03,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 07:13:03,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:03,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 07:13:03,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:03,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 07:13:03,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:03,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 07:13:03,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:03,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 07:13:03,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:03,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 07:13:03,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:03,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 07:13:03,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:03,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 07:13:03,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:03,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 07:13:03,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 07:13:03,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:13:03,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:03,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 07:13:03,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:03,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-11-17 07:13:03,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 07:13:03,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-11-17 07:13:03,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 07:13:03,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 07:13:03,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 07:13:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-11-17 07:13:03,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-17 07:13:03,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-11-17 07:13:03,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-11-17 07:13:03,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:03,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:13:03,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:13:03,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2021-11-17 07:13:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:13:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:13:03,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-11-17 07:13:03,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-11-17 07:13:03,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-11-17 07:13:03,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 07:13:03,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-11-17 07:13:03,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:03,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-17 07:13:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:03,607 INFO L134 CoverageAnalysis]: Checked inductivity of 2517 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2502 trivial. 0 not checked. [2021-11-17 07:13:03,608 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:13:03,608 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850495746] [2021-11-17 07:13:03,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850495746] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:13:03,610 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:13:03,610 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 07:13:03,610 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891881370] [2021-11-17 07:13:03,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:13:03,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 07:13:03,611 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:13:03,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 07:13:03,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-17 07:13:03,612 INFO L87 Difference]: Start difference. First operand 45559 states and 61806 transitions. Second operand has 5 states, 5 states have (on average 27.0) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2021-11-17 07:13:12,433 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:13:13,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:13:13,209 INFO L93 Difference]: Finished difference Result 118672 states and 162555 transitions. [2021-11-17 07:13:13,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 07:13:13,211 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 468 [2021-11-17 07:13:13,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:13:13,624 INFO L225 Difference]: With dead ends: 118672 [2021-11-17 07:13:13,624 INFO L226 Difference]: Without dead ends: 73479 [2021-11-17 07:13:13,724 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-17 07:13:13,724 INFO L933 BasicCegarLoop]: 4077 mSDtfsCounter, 2263 mSDsluCounter, 5813 mSDsCounter, 0 mSdLazyCounter, 2608 mSolverCounterSat, 624 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2490 SdHoareTripleChecker+Valid, 9890 SdHoareTripleChecker+Invalid, 3232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 624 IncrementalHoareTripleChecker+Valid, 2608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2021-11-17 07:13:13,725 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2490 Valid, 9890 Invalid, 3232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [624 Valid, 2608 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2021-11-17 07:13:13,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73479 states. [2021-11-17 07:13:16,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73479 to 65934. [2021-11-17 07:13:16,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65934 states, 47485 states have (on average 1.2966621038222597) internal successors, (61572), 47742 states have internal predecessors, (61572), 13654 states have call successors, (13654), 4764 states have call predecessors, (13654), 4792 states have return successors, (14085), 13514 states have call predecessors, (14085), 13650 states have call successors, (14085) [2021-11-17 07:13:16,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65934 states to 65934 states and 89311 transitions. [2021-11-17 07:13:16,323 INFO L78 Accepts]: Start accepts. Automaton has 65934 states and 89311 transitions. Word has length 468 [2021-11-17 07:13:16,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:13:16,324 INFO L470 AbstractCegarLoop]: Abstraction has 65934 states and 89311 transitions. [2021-11-17 07:13:16,324 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2021-11-17 07:13:16,324 INFO L276 IsEmpty]: Start isEmpty. Operand 65934 states and 89311 transitions. [2021-11-17 07:13:16,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2021-11-17 07:13:16,353 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:13:16,354 INFO L514 BasicCegarLoop]: trace histogram [29, 29, 21, 21, 21, 20, 20, 20, 20, 20, 20, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 07:13:16,354 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-17 07:13:16,354 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 07:13:16,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:13:16,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1147369395, now seen corresponding path program 1 times [2021-11-17 07:13:16,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:13:16,355 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464524329] [2021-11-17 07:13:16,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:13:16,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:13:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:13:16,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:16,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:13:16,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:16,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:13:16,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:16,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:13:16,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:16,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:13:16,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:16,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:13:16,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:16,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:13:16,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:16,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 07:13:16,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:16,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 07:13:16,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:16,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 07:13:16,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:16,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 07:13:16,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:16,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 07:13:16,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:16,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 07:13:16,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:16,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 07:13:16,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:16,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 07:13:16,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:16,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 07:13:16,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:16,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 07:13:16,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:16,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 07:13:16,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:16,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 07:13:16,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:16,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 07:13:16,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 07:13:16,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:13:16,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:16,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 07:13:16,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:16,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-11-17 07:13:16,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 07:13:16,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-11-17 07:13:16,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 07:13:16,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 07:13:16,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 07:13:16,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-11-17 07:13:16,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-11-17 07:13:16,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:16,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:13:16,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:13:16,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-11-17 07:13:16,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:16,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:13:16,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:13:16,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2021-11-17 07:13:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:16,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:16,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:17,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:13:17,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:17,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:13:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:17,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-11-17 07:13:17,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:17,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:17,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:17,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:13:17,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:17,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:13:17,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:17,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-11-17 07:13:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:17,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:17,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:13:17,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:17,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:13:17,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:17,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2021-11-17 07:13:17,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:17,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:17,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:17,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:13:17,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:17,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:13:17,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:17,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2021-11-17 07:13:17,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:17,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:17,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:17,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:13:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:17,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:13:17,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:17,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-11-17 07:13:17,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:17,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:17,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:17,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:13:17,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:17,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:13:17,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:17,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-11-17 07:13:17,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:17,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:17,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:17,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:13:17,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:17,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:13:17,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:17,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2021-11-17 07:13:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:17,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2021-11-17 07:13:17,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:17,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2021-11-17 07:13:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:17,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:17,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:17,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:17,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-17 07:13:17,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:17,421 INFO L134 CoverageAnalysis]: Checked inductivity of 3668 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3668 trivial. 0 not checked. [2021-11-17 07:13:17,421 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:13:17,421 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464524329] [2021-11-17 07:13:17,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464524329] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:13:17,422 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:13:17,422 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 07:13:17,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966532914] [2021-11-17 07:13:17,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:13:17,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 07:13:17,423 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:13:17,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 07:13:17,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-17 07:13:17,424 INFO L87 Difference]: Start difference. First operand 65934 states and 89311 transitions. Second operand has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 4 states have internal predecessors, (131), 2 states have call successors, (49), 5 states have call predecessors, (49), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-17 07:13:22,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:13:22,584 INFO L93 Difference]: Finished difference Result 73715 states and 101289 transitions. [2021-11-17 07:13:22,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-17 07:13:22,585 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 4 states have internal predecessors, (131), 2 states have call successors, (49), 5 states have call predecessors, (49), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 598 [2021-11-17 07:13:22,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:13:22,864 INFO L225 Difference]: With dead ends: 73715 [2021-11-17 07:13:22,864 INFO L226 Difference]: Without dead ends: 73713 [2021-11-17 07:13:22,903 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-17 07:13:22,904 INFO L933 BasicCegarLoop]: 2675 mSDtfsCounter, 3200 mSDsluCounter, 8109 mSDsCounter, 0 mSdLazyCounter, 1999 mSolverCounterSat, 1658 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3420 SdHoareTripleChecker+Valid, 10784 SdHoareTripleChecker+Invalid, 3657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1658 IncrementalHoareTripleChecker+Valid, 1999 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-17 07:13:22,904 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3420 Valid, 10784 Invalid, 3657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1658 Valid, 1999 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-17 07:13:22,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73713 states. [2021-11-17 07:13:25,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73713 to 65934. [2021-11-17 07:13:25,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65934 states, 47485 states have (on average 1.2961356217752975) internal successors, (61547), 47742 states have internal predecessors, (61547), 13654 states have call successors, (13654), 4764 states have call predecessors, (13654), 4792 states have return successors, (14085), 13514 states have call predecessors, (14085), 13650 states have call successors, (14085) [2021-11-17 07:13:25,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65934 states to 65934 states and 89286 transitions. [2021-11-17 07:13:25,291 INFO L78 Accepts]: Start accepts. Automaton has 65934 states and 89286 transitions. Word has length 598 [2021-11-17 07:13:25,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:13:25,292 INFO L470 AbstractCegarLoop]: Abstraction has 65934 states and 89286 transitions. [2021-11-17 07:13:25,292 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 4 states have internal predecessors, (131), 2 states have call successors, (49), 5 states have call predecessors, (49), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-17 07:13:25,292 INFO L276 IsEmpty]: Start isEmpty. Operand 65934 states and 89286 transitions. [2021-11-17 07:13:25,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 615 [2021-11-17 07:13:25,321 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:13:25,321 INFO L514 BasicCegarLoop]: trace histogram [29, 29, 21, 21, 21, 20, 20, 20, 20, 20, 20, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 07:13:25,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-17 07:13:25,321 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_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)] === [2021-11-17 07:13:25,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:13:25,322 INFO L85 PathProgramCache]: Analyzing trace with hash 23444604, now seen corresponding path program 1 times [2021-11-17 07:13:25,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:13:25,322 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856281454] [2021-11-17 07:13:25,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:13:25,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:13:25,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:13:25,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:13:25,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:25,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:13:25,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:25,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:13:25,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:25,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:13:25,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:25,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:13:25,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:25,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:13:25,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:25,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 07:13:25,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:25,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 07:13:25,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:25,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 07:13:25,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 07:13:25,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:25,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 07:13:25,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:25,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 07:13:25,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:25,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 07:13:25,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:25,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 07:13:25,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:25,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 07:13:25,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:25,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 07:13:25,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:25,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 07:13:25,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:25,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 07:13:25,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:25,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 07:13:25,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 07:13:25,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:13:25,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:25,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 07:13:25,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:25,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-11-17 07:13:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 07:13:25,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-11-17 07:13:25,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 07:13:25,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 07:13:25,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 07:13:25,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-11-17 07:13:25,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-11-17 07:13:25,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:25,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:13:25,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:13:25,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-11-17 07:13:25,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:25,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:13:25,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:13:25,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2021-11-17 07:13:25,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:25,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:13:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:13:25,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-11-17 07:13:25,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:25,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:13:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:13:25,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-11-17 07:13:25,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:25,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:13:25,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:13:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2021-11-17 07:13:25,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:25,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:13:25,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:13:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2021-11-17 07:13:25,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:25,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:13:25,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:25,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:13:25,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:26,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-11-17 07:13:26,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:26,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:26,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:26,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:13:26,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:26,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:13:26,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:26,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-11-17 07:13:26,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:26,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:26,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:26,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:13:26,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:26,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:13:26,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:26,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2021-11-17 07:13:26,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:26,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2021-11-17 07:13:26,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:26,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2021-11-17 07:13:26,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:26,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:26,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:26,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:26,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:26,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-17 07:13:26,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:26,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2021-11-17 07:13:26,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:26,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:26,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:26,089 INFO L134 CoverageAnalysis]: Checked inductivity of 3669 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 3643 trivial. 0 not checked. [2021-11-17 07:13:26,089 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:13:26,089 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856281454] [2021-11-17 07:13:26,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856281454] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:13:26,089 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:13:26,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 07:13:26,090 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413904038] [2021-11-17 07:13:26,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:13:26,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 07:13:26,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:13:26,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 07:13:26,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-17 07:13:26,091 INFO L87 Difference]: Start difference. First operand 65934 states and 89286 transitions. Second operand has 6 states, 6 states have (on average 26.333333333333332) internal successors, (158), 3 states have internal predecessors, (158), 3 states have call successors, (51), 5 states have call predecessors, (51), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2021-11-17 07:13:35,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:13:35,645 INFO L93 Difference]: Finished difference Result 163047 states and 221739 transitions. [2021-11-17 07:13:35,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-17 07:13:35,646 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 26.333333333333332) internal successors, (158), 3 states have internal predecessors, (158), 3 states have call successors, (51), 5 states have call predecessors, (51), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 614 [2021-11-17 07:13:35,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:13:36,287 INFO L225 Difference]: With dead ends: 163047 [2021-11-17 07:13:36,287 INFO L226 Difference]: Without dead ends: 97479 [2021-11-17 07:13:36,451 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2021-11-17 07:13:36,452 INFO L933 BasicCegarLoop]: 3004 mSDtfsCounter, 2573 mSDsluCounter, 3080 mSDsCounter, 0 mSdLazyCounter, 3315 mSolverCounterSat, 2120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2816 SdHoareTripleChecker+Valid, 6084 SdHoareTripleChecker+Invalid, 5435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2120 IncrementalHoareTripleChecker+Valid, 3315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2021-11-17 07:13:36,452 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2816 Valid, 6084 Invalid, 5435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2120 Valid, 3315 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2021-11-17 07:13:36,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97479 states. [2021-11-17 07:13:39,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97479 to 86393. [2021-11-17 07:13:39,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86393 states, 61927 states have (on average 1.2895021557640447) internal successors, (79855), 62339 states have internal predecessors, (79855), 17703 states have call successors, (17703), 6632 states have call predecessors, (17703), 6760 states have return successors, (18049), 17544 states have call predecessors, (18049), 17699 states have call successors, (18049) [2021-11-17 07:13:39,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86393 states to 86393 states and 115607 transitions. [2021-11-17 07:13:39,974 INFO L78 Accepts]: Start accepts. Automaton has 86393 states and 115607 transitions. Word has length 614 [2021-11-17 07:13:39,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:13:39,975 INFO L470 AbstractCegarLoop]: Abstraction has 86393 states and 115607 transitions. [2021-11-17 07:13:39,975 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.333333333333332) internal successors, (158), 3 states have internal predecessors, (158), 3 states have call successors, (51), 5 states have call predecessors, (51), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2021-11-17 07:13:39,975 INFO L276 IsEmpty]: Start isEmpty. Operand 86393 states and 115607 transitions. [2021-11-17 07:13:40,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 615 [2021-11-17 07:13:40,008 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:13:40,009 INFO L514 BasicCegarLoop]: trace histogram [29, 29, 21, 21, 21, 20, 20, 20, 20, 20, 20, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 07:13:40,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-17 07:13:40,009 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_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)] === [2021-11-17 07:13:40,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:13:40,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1934487162, now seen corresponding path program 1 times [2021-11-17 07:13:40,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:13:40,010 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480457591] [2021-11-17 07:13:40,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:13:40,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:13:40,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:13:40,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:40,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:13:40,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:40,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:13:40,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:40,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:13:40,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:40,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:13:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:13:40,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:40,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:13:40,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:40,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 07:13:40,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:40,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 07:13:40,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:40,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 07:13:40,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:40,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 07:13:40,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:40,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 07:13:40,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:40,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 07:13:40,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:40,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 07:13:40,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 07:13:40,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:40,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 07:13:40,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:40,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 07:13:40,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:40,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 07:13:40,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 07:13:40,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 07:13:40,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 07:13:40,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:13:40,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:40,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 07:13:40,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:40,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-11-17 07:13:40,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 07:13:40,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-11-17 07:13:40,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 07:13:40,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 07:13:40,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 07:13:40,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-11-17 07:13:40,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-11-17 07:13:40,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:40,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:13:40,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:13:40,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-11-17 07:13:40,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:40,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:13:40,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:13:40,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2021-11-17 07:13:40,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:40,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:13:40,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:13:40,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-11-17 07:13:40,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:40,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:13:40,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:13:40,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-11-17 07:13:40,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:40,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:13:40,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:13:40,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2021-11-17 07:13:40,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:40,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:13:40,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:13:40,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2021-11-17 07:13:40,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:40,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:13:40,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:13:40,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-11-17 07:13:40,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:40,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:13:40,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:13:40,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-11-17 07:13:40,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:40,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:13:40,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:13:40,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2021-11-17 07:13:40,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2021-11-17 07:13:40,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2021-11-17 07:13:40,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:40,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:40,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-17 07:13:40,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2021-11-17 07:13:40,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:13:40,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:13:40,728 INFO L134 CoverageAnalysis]: Checked inductivity of 3669 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 3643 trivial. 0 not checked. [2021-11-17 07:13:40,729 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:13:40,729 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480457591] [2021-11-17 07:13:40,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480457591] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:13:40,729 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:13:40,729 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 07:13:40,729 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867325211] [2021-11-17 07:13:40,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:13:40,730 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 07:13:40,730 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:13:40,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 07:13:40,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-17 07:13:40,731 INFO L87 Difference]: Start difference. First operand 86393 states and 115607 transitions. Second operand has 6 states, 6 states have (on average 26.333333333333332) internal successors, (158), 3 states have internal predecessors, (158), 3 states have call successors, (51), 5 states have call predecessors, (51), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2021-11-17 07:13:48,493 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:13:51,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:13:51,863 INFO L93 Difference]: Finished difference Result 198787 states and 268027 transitions. [2021-11-17 07:13:51,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-17 07:13:51,864 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 26.333333333333332) internal successors, (158), 3 states have internal predecessors, (158), 3 states have call successors, (51), 5 states have call predecessors, (51), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 614 [2021-11-17 07:13:51,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:13:52,341 INFO L225 Difference]: With dead ends: 198787 [2021-11-17 07:13:52,341 INFO L226 Difference]: Without dead ends: 111998 [2021-11-17 07:13:52,720 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2021-11-17 07:13:52,721 INFO L933 BasicCegarLoop]: 2821 mSDtfsCounter, 1970 mSDsluCounter, 3979 mSDsCounter, 0 mSdLazyCounter, 4297 mSolverCounterSat, 1412 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2217 SdHoareTripleChecker+Valid, 6800 SdHoareTripleChecker+Invalid, 5709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1412 IncrementalHoareTripleChecker+Valid, 4297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2021-11-17 07:13:52,721 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2217 Valid, 6800 Invalid, 5709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1412 Valid, 4297 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2021-11-17 07:13:52,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111998 states.