./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.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_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.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 5a4efb80f78cf6db9ac1c2540f0e3afbb357842376bf73c44e7e4fa9311ea9dc --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 09:04:21,050 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 09:04:21,052 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 09:04:21,096 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 09:04:21,097 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 09:04:21,099 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 09:04:21,100 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 09:04:21,104 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 09:04:21,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 09:04:21,111 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 09:04:21,112 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 09:04:21,113 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 09:04:21,113 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 09:04:21,115 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 09:04:21,116 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 09:04:21,119 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 09:04:21,119 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 09:04:21,120 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 09:04:21,124 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 09:04:21,127 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 09:04:21,128 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 09:04:21,129 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 09:04:21,130 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 09:04:21,131 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 09:04:21,135 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 09:04:21,135 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 09:04:21,135 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 09:04:21,137 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 09:04:21,137 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 09:04:21,137 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 09:04:21,138 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 09:04:21,138 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 09:04:21,139 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 09:04:21,140 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 09:04:21,141 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 09:04:21,141 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 09:04:21,142 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 09:04:21,142 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 09:04:21,142 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 09:04:21,142 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 09:04:21,143 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 09:04:21,144 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 09:04:21,171 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 09:04:21,172 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 09:04:21,172 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 09:04:21,172 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 09:04:21,173 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 09:04:21,173 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 09:04:21,173 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 09:04:21,173 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 09:04:21,174 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 09:04:21,174 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 09:04:21,174 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 09:04:21,174 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 09:04:21,175 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 09:04:21,175 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 09:04:21,175 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 09:04:21,175 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 09:04:21,175 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 09:04:21,175 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 09:04:21,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 09:04:21,176 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 09:04:21,176 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 09:04:21,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 09:04:21,176 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 09:04:21,176 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 09:04:21,176 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 09:04:21,176 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 09:04:21,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 09:04:21,177 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 09:04:21,177 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 09:04:21,177 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 09:04:21,177 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 09:04:21,177 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a4efb80f78cf6db9ac1c2540f0e3afbb357842376bf73c44e7e4fa9311ea9dc [2021-11-17 09:04:21,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 09:04:21,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 09:04:21,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 09:04:21,404 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 09:04:21,404 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 09:04:21,406 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i [2021-11-17 09:04:21,472 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/907c115ce/20ff19a938ea448e87304c8d14e7ccd8/FLAG9637ba806 [2021-11-17 09:04:22,132 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 09:04:22,132 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i [2021-11-17 09:04:22,178 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/907c115ce/20ff19a938ea448e87304c8d14e7ccd8/FLAG9637ba806 [2021-11-17 09:04:22,446 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/907c115ce/20ff19a938ea448e87304c8d14e7ccd8 [2021-11-17 09:04:22,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 09:04:22,449 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 09:04:22,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 09:04:22,451 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 09:04:22,453 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 09:04:22,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 09:04:22" (1/1) ... [2021-11-17 09:04:22,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77431780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 09:04:22, skipping insertion in model container [2021-11-17 09:04:22,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 09:04:22" (1/1) ... [2021-11-17 09:04:22,491 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 09:04:22,587 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 09:04:24,724 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_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[508948,508961] [2021-11-17 09:04:24,727 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_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509114,509127] [2021-11-17 09:04:24,728 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_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509278,509291] [2021-11-17 09:04:24,728 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_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509443,509456] [2021-11-17 09:04:24,751 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 09:04:24,773 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 09:04:25,195 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_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[508948,508961] [2021-11-17 09:04:25,197 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_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509114,509127] [2021-11-17 09:04:25,197 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_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509278,509291] [2021-11-17 09:04:25,197 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_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509443,509456] [2021-11-17 09:04:25,201 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 09:04:25,345 INFO L208 MainTranslator]: Completed translation [2021-11-17 09:04:25,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 09:04:25 WrapperNode [2021-11-17 09:04:25,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 09:04:25,346 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 09:04:25,346 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 09:04:25,347 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 09:04:25,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 09:04:25" (1/1) ... [2021-11-17 09:04:25,476 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 09:04:25" (1/1) ... [2021-11-17 09:04:25,766 INFO L137 Inliner]: procedures = 370, calls = 6116, calls flagged for inlining = 171, calls inlined = 146, statements flattened = 16395 [2021-11-17 09:04:25,767 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 09:04:25,767 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 09:04:25,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 09:04:25,768 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 09:04:25,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 09:04:25" (1/1) ... [2021-11-17 09:04:25,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 09:04:25" (1/1) ... [2021-11-17 09:04:25,848 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 09:04:25" (1/1) ... [2021-11-17 09:04:25,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 09:04:25" (1/1) ... [2021-11-17 09:04:26,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 09:04:25" (1/1) ... [2021-11-17 09:04:26,085 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 09:04:25" (1/1) ... [2021-11-17 09:04:26,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 09:04:25" (1/1) ... [2021-11-17 09:04:26,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 09:04:26,265 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 09:04:26,265 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 09:04:26,267 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 09:04:26,268 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 09:04:25" (1/1) ... [2021-11-17 09:04:26,275 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 09:04:26,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 09:04:26,329 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 09:04:26,380 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 09:04:26,410 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-17 09:04:26,410 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-17 09:04:26,410 INFO L130 BoogieDeclarations]: Found specification of procedure to_sd [2021-11-17 09:04:26,410 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sd [2021-11-17 09:04:26,410 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_tuner [2021-11-17 09:04:26,411 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_tuner [2021-11-17 09:04:26,411 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ctrl [2021-11-17 09:04:26,411 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ctrl [2021-11-17 09:04:26,411 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_s_parameters [2021-11-17 09:04:26,411 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_s_parameters [2021-11-17 09:04:26,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 09:04:26,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 09:04:26,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 09:04:26,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 09:04:26,412 INFO L130 BoogieDeclarations]: Found specification of procedure input_change [2021-11-17 09:04:26,412 INFO L138 BoogieDeclarations]: Found implementation of procedure input_change [2021-11-17 09:04:26,412 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_g_parameters [2021-11-17 09:04:26,412 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_g_parameters [2021-11-17 09:04:26,412 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_querymenu [2021-11-17 09:04:26,412 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_querymenu [2021-11-17 09:04:26,412 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-17 09:04:26,413 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-17 09:04:26,413 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_probe [2021-11-17 09:04:26,413 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_probe [2021-11-17 09:04:26,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 09:04:26,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 09:04:26,413 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-11-17 09:04:26,413 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-11-17 09:04:26,413 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_shutdown [2021-11-17 09:04:26,414 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_shutdown [2021-11-17 09:04:26,414 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx2388x [2021-11-17 09:04:26,414 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx2388x [2021-11-17 09:04:26,414 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_tuner [2021-11-17 09:04:26,414 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_tuner [2021-11-17 09:04:26,415 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx2583x [2021-11-17 09:04:26,415 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx2583x [2021-11-17 09:04:26,415 INFO L130 BoogieDeclarations]: Found specification of procedure to_ir_state [2021-11-17 09:04:26,415 INFO L138 BoogieDeclarations]: Found implementation of procedure to_ir_state [2021-11-17 09:04:26,415 INFO L130 BoogieDeclarations]: Found specification of procedure control_tx_enable [2021-11-17 09:04:26,415 INFO L138 BoogieDeclarations]: Found implementation of procedure control_tx_enable [2021-11-17 09:04:26,415 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_width_count_to_ns [2021-11-17 09:04:26,415 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_width_count_to_ns [2021-11-17 09:04:26,416 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-17 09:04:26,416 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-17 09:04:26,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 09:04:26,416 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 09:04:26,416 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_freq_to_clock_divider [2021-11-17 09:04:26,416 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_freq_to_clock_divider [2021-11-17 09:04:26,417 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_demodulation_enable [2021-11-17 09:04:26,417 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_demodulation_enable [2021-11-17 09:04:26,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-17 09:04:26,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-17 09:04:26,418 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-17 09:04:26,418 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-17 09:04:26,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 09:04:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-17 09:04:26,419 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-17 09:04:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_write [2021-11-17 09:04:26,419 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_write [2021-11-17 09:04:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2021-11-17 09:04:26,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2021-11-17 09:04:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 09:04:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_mbus_fmt [2021-11-17 09:04:26,420 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_mbus_fmt [2021-11-17 09:04:26,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-17 09:04:26,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-17 09:04:26,420 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2021-11-17 09:04:26,420 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2021-11-17 09:04:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2021-11-17 09:04:26,421 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2021-11-17 09:04:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 09:04:26,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 09:04:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-17 09:04:26,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-17 09:04:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-17 09:04:26,421 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-17 09:04:26,422 INFO L130 BoogieDeclarations]: Found specification of procedure set_volume [2021-11-17 09:04:26,422 INFO L138 BoogieDeclarations]: Found implementation of procedure set_volume [2021-11-17 09:04:26,422 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_sliced_fmt [2021-11-17 09:04:26,422 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_sliced_fmt [2021-11-17 09:04:26,422 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_initialize [2021-11-17 09:04:26,422 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_initialize [2021-11-17 09:04:26,422 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ext_ctrls [2021-11-17 09:04:26,423 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ext_ctrls [2021-11-17 09:04:26,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 09:04:26,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 09:04:26,423 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-17 09:04:26,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-17 09:04:26,423 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-17 09:04:26,424 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-17 09:04:26,424 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2021-11-17 09:04:26,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2021-11-17 09:04:26,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-17 09:04:26,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-17 09:04:26,425 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_resolution [2021-11-17 09:04:26,425 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_resolution [2021-11-17 09:04:26,425 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-17 09:04:26,425 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-17 09:04:26,425 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_try_ext_ctrls [2021-11-17 09:04:26,425 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_try_ext_ctrls [2021-11-17 09:04:26,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_rx_params_lock_of_cx25840_ir_state [2021-11-17 09:04:26,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_rx_params_lock_of_cx25840_ir_state [2021-11-17 09:04:26,426 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-11-17 09:04:26,426 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-11-17 09:04:26,426 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata___0 [2021-11-17 09:04:26,426 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata___0 [2021-11-17 09:04:26,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 09:04:26,427 INFO L130 BoogieDeclarations]: Found specification of procedure cx25836_initialize [2021-11-17 09:04:26,427 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25836_initialize [2021-11-17 09:04:26,427 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_write4 [2021-11-17 09:04:26,427 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_write4 [2021-11-17 09:04:26,427 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ext_ctrls [2021-11-17 09:04:26,428 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ext_ctrls [2021-11-17 09:04:26,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 09:04:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_frequency [2021-11-17 09:04:26,430 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_frequency [2021-11-17 09:04:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-17 09:04:26,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-17 09:04:26,431 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_std_setup [2021-11-17 09:04:26,431 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_std_setup [2021-11-17 09:04:26,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 09:04:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-17 09:04:26,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-17 09:04:26,436 INFO L130 BoogieDeclarations]: Found specification of procedure irqenable_tx [2021-11-17 09:04:26,436 INFO L138 BoogieDeclarations]: Found implementation of procedure irqenable_tx [2021-11-17 09:04:26,436 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2021-11-17 09:04:26,436 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2021-11-17 09:04:26,436 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_queryctrl [2021-11-17 09:04:26,436 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_queryctrl [2021-11-17 09:04:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 09:04:26,437 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 09:04:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure control_tx_modulation_enable [2021-11-17 09:04:26,437 INFO L138 BoogieDeclarations]: Found implementation of procedure control_tx_modulation_enable [2021-11-17 09:04:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure cx23885_initialize [2021-11-17 09:04:26,437 INFO L138 BoogieDeclarations]: Found implementation of procedure cx23885_initialize [2021-11-17 09:04:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_raw_fmt [2021-11-17 09:04:26,437 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_raw_fmt [2021-11-17 09:04:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_freq [2021-11-17 09:04:26,437 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_freq [2021-11-17 09:04:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_std [2021-11-17 09:04:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_std [2021-11-17 09:04:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_and_or [2021-11-17 09:04:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_and_or [2021-11-17 09:04:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ctrl [2021-11-17 09:04:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ctrl [2021-11-17 09:04:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-17 09:04:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-17 09:04:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_s_parameters [2021-11-17 09:04:26,439 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_s_parameters [2021-11-17 09:04:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure to_state [2021-11-17 09:04:26,439 INFO L138 BoogieDeclarations]: Found implementation of procedure to_state [2021-11-17 09:04:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure set_audclk_freq [2021-11-17 09:04:26,439 INFO L138 BoogieDeclarations]: Found implementation of procedure set_audclk_freq [2021-11-17 09:04:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_register [2021-11-17 09:04:26,439 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_register [2021-11-17 09:04:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 09:04:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_register [2021-11-17 09:04:26,440 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_register [2021-11-17 09:04:26,440 INFO L130 BoogieDeclarations]: Found specification of procedure set_input [2021-11-17 09:04:26,440 INFO L138 BoogieDeclarations]: Found implementation of procedure set_input [2021-11-17 09:04:26,440 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_g_parameters [2021-11-17 09:04:26,440 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_g_parameters [2021-11-17 09:04:26,440 INFO L130 BoogieDeclarations]: Found specification of procedure cx23888_std_setup [2021-11-17 09:04:26,440 INFO L138 BoogieDeclarations]: Found implementation of procedure cx23888_std_setup [2021-11-17 09:04:26,440 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_initialize [2021-11-17 09:04:26,440 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_initialize [2021-11-17 09:04:26,441 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2021-11-17 09:04:26,441 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2021-11-17 09:04:26,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tx_params_lock_of_cx25840_ir_state [2021-11-17 09:04:26,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tx_params_lock_of_cx25840_ir_state [2021-11-17 09:04:26,441 INFO L130 BoogieDeclarations]: Found specification of procedure irqenable_rx [2021-11-17 09:04:26,441 INFO L138 BoogieDeclarations]: Found implementation of procedure irqenable_rx [2021-11-17 09:04:26,441 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_and_or4 [2021-11-17 09:04:26,441 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_and_or4 [2021-11-17 09:04:26,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_tx_params_lock_of_cx25840_ir_state [2021-11-17 09:04:26,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_tx_params_lock_of_cx25840_ir_state [2021-11-17 09:04:26,442 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_input_status [2021-11-17 09:04:26,442 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_input_status [2021-11-17 09:04:26,442 INFO L130 BoogieDeclarations]: Found specification of procedure lpf_count_to_ns [2021-11-17 09:04:26,442 INFO L138 BoogieDeclarations]: Found implementation of procedure lpf_count_to_ns [2021-11-17 09:04:26,442 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_set_audclk_freq [2021-11-17 09:04:26,442 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_set_audclk_freq [2021-11-17 09:04:26,442 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_read [2021-11-17 09:04:26,442 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_read [2021-11-17 09:04:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 09:04:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_width_count_to_us [2021-11-17 09:04:26,443 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_width_count_to_us [2021-11-17 09:04:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 09:04:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-17 09:04:26,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-17 09:04:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-17 09:04:26,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-17 09:04:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 09:04:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-17 09:04:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_sliced_fmt [2021-11-17 09:04:26,444 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_sliced_fmt [2021-11-17 09:04:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2021-11-17 09:04:26,444 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send [2021-11-17 09:04:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2021-11-17 09:04:26,445 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2021-11-17 09:04:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_decode_vbi_line [2021-11-17 09:04:26,445 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_decode_vbi_line [2021-11-17 09:04:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_adapter_id [2021-11-17 09:04:26,445 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_adapter_id [2021-11-17 09:04:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_carrier_freq [2021-11-17 09:04:26,445 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_carrier_freq [2021-11-17 09:04:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_clocks_to_clock_divider [2021-11-17 09:04:26,445 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_clocks_to_clock_divider [2021-11-17 09:04:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx231xx [2021-11-17 09:04:26,446 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx231xx [2021-11-17 09:04:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-17 09:04:26,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-17 09:04:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_s_edge_detection [2021-11-17 09:04:26,446 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_s_edge_detection [2021-11-17 09:04:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2021-11-17 09:04:26,446 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2021-11-17 09:04:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_probe [2021-11-17 09:04:26,447 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_probe [2021-11-17 09:04:26,447 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-17 09:04:26,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-17 09:04:26,447 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-11-17 09:04:26,447 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-11-17 09:04:26,447 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_read4 [2021-11-17 09:04:26,447 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_read4 [2021-11-17 09:04:26,447 INFO L130 BoogieDeclarations]: Found specification of procedure odd_parity [2021-11-17 09:04:26,447 INFO L138 BoogieDeclarations]: Found implementation of procedure odd_parity [2021-11-17 09:04:26,448 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-17 09:04:26,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-17 09:04:26,448 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_enable [2021-11-17 09:04:26,448 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_enable [2021-11-17 09:04:26,448 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-17 09:04:26,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-17 09:04:26,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_rx_params_lock_of_cx25840_ir_state [2021-11-17 09:04:26,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_rx_params_lock_of_cx25840_ir_state [2021-11-17 09:04:26,448 INFO L130 BoogieDeclarations]: Found specification of procedure filter_rx_s_min_width [2021-11-17 09:04:26,449 INFO L138 BoogieDeclarations]: Found implementation of procedure filter_rx_s_min_width [2021-11-17 09:04:26,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 09:04:26,449 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_shutdown [2021-11-17 09:04:26,449 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_shutdown [2021-11-17 09:04:26,450 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-11-17 09:04:26,452 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-11-17 09:04:26,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-17 09:04:26,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-17 09:04:26,452 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-11-17 09:04:26,452 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-11-17 09:04:26,453 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23885 [2021-11-17 09:04:26,453 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23885 [2021-11-17 09:04:26,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 09:04:26,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 09:04:26,454 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_pulse_clocks [2021-11-17 09:04:26,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_pulse_clocks [2021-11-17 09:04:26,454 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23888 [2021-11-17 09:04:26,454 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23888 [2021-11-17 09:04:26,454 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23887 [2021-11-17 09:04:26,454 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23887 [2021-11-17 09:04:27,560 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 09:04:27,563 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 09:04:27,844 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 09:05:32,283 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 09:05:32,324 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 09:05:32,324 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-17 09:05:32,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 09:05:32 BoogieIcfgContainer [2021-11-17 09:05:32,333 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 09:05:32,335 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 09:05:32,335 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 09:05:32,339 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 09:05:32,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 09:04:22" (1/3) ... [2021-11-17 09:05:32,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@540e0d0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 09:05:32, skipping insertion in model container [2021-11-17 09:05:32,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 09:04:25" (2/3) ... [2021-11-17 09:05:32,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@540e0d0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 09:05:32, skipping insertion in model container [2021-11-17 09:05:32,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 09:05:32" (3/3) ... [2021-11-17 09:05:32,341 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i [2021-11-17 09:05:32,344 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 09:05:32,345 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-17 09:05:32,405 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 09:05:32,417 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 09:05:32,418 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-17 09:05:32,537 INFO L276 IsEmpty]: Start isEmpty. Operand has 8449 states, 4846 states have (on average 1.1568303755674783) internal successors, (5606), 4873 states have internal predecessors, (5606), 3481 states have call successors, (3481), 119 states have call predecessors, (3481), 118 states have return successors, (3478), 3466 states have call predecessors, (3478), 3478 states have call successors, (3478) [2021-11-17 09:05:32,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-17 09:05:32,542 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 09:05:32,543 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-17 09:05:32,543 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 09:05:32,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 09:05:32,547 INFO L85 PathProgramCache]: Analyzing trace with hash -2030594725, now seen corresponding path program 1 times [2021-11-17 09:05:32,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 09:05:32,554 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630729445] [2021-11-17 09:05:32,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 09:05:32,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 09:05:32,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:33,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 09:05:33,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:33,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 09:05:33,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:33,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 09:05:33,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:33,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:05:33,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:33,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 09:05:33,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:33,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 09:05:33,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:33,241 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-17 09:05:33,241 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 09:05:33,242 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630729445] [2021-11-17 09:05:33,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630729445] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 09:05:33,242 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 09:05:33,242 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 09:05:33,244 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772220224] [2021-11-17 09:05:33,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 09:05:33,247 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 09:05:33,247 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 09:05:33,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 09:05:33,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 09:05:33,281 INFO L87 Difference]: Start difference. First operand has 8449 states, 4846 states have (on average 1.1568303755674783) internal successors, (5606), 4873 states have internal predecessors, (5606), 3481 states have call successors, (3481), 119 states have call predecessors, (3481), 118 states have return successors, (3478), 3466 states have call predecessors, (3478), 3478 states have call successors, (3478) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-17 09:05:34,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 09:05:34,087 INFO L93 Difference]: Finished difference Result 16874 states and 25149 transitions. [2021-11-17 09:05:34,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 09:05:34,090 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 48 [2021-11-17 09:05:34,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 09:05:34,157 INFO L225 Difference]: With dead ends: 16874 [2021-11-17 09:05:34,158 INFO L226 Difference]: Without dead ends: 8441 [2021-11-17 09:05:34,213 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 09:05:34,216 INFO L933 BasicCegarLoop]: 12551 mSDtfsCounter, 12536 mSDsluCounter, 25095 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12542 SdHoareTripleChecker+Valid, 37646 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-17 09:05:34,216 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12542 Valid, 37646 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-17 09:05:34,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8441 states. [2021-11-17 09:05:37,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8441 to 8441. [2021-11-17 09:05:37,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8441 states, 4842 states have (on average 1.1551011978521273) internal successors, (5593), 4868 states have internal predecessors, (5593), 3478 states have call successors, (3478), 119 states have call predecessors, (3478), 118 states have return successors, (3475), 3463 states have call predecessors, (3475), 3475 states have call successors, (3475) [2021-11-17 09:05:37,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8441 states to 8441 states and 12546 transitions. [2021-11-17 09:05:37,341 INFO L78 Accepts]: Start accepts. Automaton has 8441 states and 12546 transitions. Word has length 48 [2021-11-17 09:05:37,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 09:05:37,343 INFO L470 AbstractCegarLoop]: Abstraction has 8441 states and 12546 transitions. [2021-11-17 09:05:37,343 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-17 09:05:37,344 INFO L276 IsEmpty]: Start isEmpty. Operand 8441 states and 12546 transitions. [2021-11-17 09:05:37,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-17 09:05:37,346 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 09:05:37,347 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-17 09:05:37,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 09:05:37,347 INFO L402 AbstractCegarLoop]: === Iteration 2 === 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 09:05:37,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 09:05:37,348 INFO L85 PathProgramCache]: Analyzing trace with hash 283534717, now seen corresponding path program 1 times [2021-11-17 09:05:37,348 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 09:05:37,348 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662884521] [2021-11-17 09:05:37,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 09:05:37,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 09:05:37,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:37,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 09:05:37,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:37,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 09:05:37,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:37,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 09:05:37,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:37,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:05:37,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:37,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 09:05:37,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:37,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 09:05:37,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:37,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 09:05:37,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:37,768 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-17 09:05:37,768 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 09:05:37,769 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662884521] [2021-11-17 09:05:37,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662884521] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 09:05:37,771 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 09:05:37,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 09:05:37,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591798249] [2021-11-17 09:05:37,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 09:05:37,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 09:05:37,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 09:05:37,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 09:05:37,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 09:05:37,773 INFO L87 Difference]: Start difference. First operand 8441 states and 12546 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-17 09:05:38,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 09:05:38,273 INFO L93 Difference]: Finished difference Result 8447 states and 12551 transitions. [2021-11-17 09:05:38,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 09:05:38,274 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 53 [2021-11-17 09:05:38,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 09:05:38,339 INFO L225 Difference]: With dead ends: 8447 [2021-11-17 09:05:38,340 INFO L226 Difference]: Without dead ends: 8445 [2021-11-17 09:05:38,352 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 09:05:38,354 INFO L933 BasicCegarLoop]: 12543 mSDtfsCounter, 12521 mSDsluCounter, 25073 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12525 SdHoareTripleChecker+Valid, 37616 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-17 09:05:38,354 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12525 Valid, 37616 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-17 09:05:38,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8445 states. [2021-11-17 09:05:41,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8445 to 8445. [2021-11-17 09:05:41,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8445 states, 4845 states have (on average 1.1550051599587203) internal successors, (5596), 4871 states have internal predecessors, (5596), 3478 states have call successors, (3478), 120 states have call predecessors, (3478), 119 states have return successors, (3475), 3463 states have call predecessors, (3475), 3475 states have call successors, (3475) [2021-11-17 09:05:41,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8445 states to 8445 states and 12549 transitions. [2021-11-17 09:05:41,262 INFO L78 Accepts]: Start accepts. Automaton has 8445 states and 12549 transitions. Word has length 53 [2021-11-17 09:05:41,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 09:05:41,263 INFO L470 AbstractCegarLoop]: Abstraction has 8445 states and 12549 transitions. [2021-11-17 09:05:41,263 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-17 09:05:41,263 INFO L276 IsEmpty]: Start isEmpty. Operand 8445 states and 12549 transitions. [2021-11-17 09:05:41,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-17 09:05:41,269 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 09:05:41,269 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2021-11-17 09:05:41,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 09:05:41,270 INFO L402 AbstractCegarLoop]: === Iteration 3 === 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 09:05:41,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 09:05:41,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1243909541, now seen corresponding path program 1 times [2021-11-17 09:05:41,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 09:05:41,271 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244434533] [2021-11-17 09:05:41,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 09:05:41,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 09:05:41,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:41,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 09:05:41,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:41,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 09:05:41,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:41,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 09:05:41,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:41,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:05:41,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:41,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 09:05:41,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:41,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 09:05:41,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:41,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 09:05:41,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:41,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-17 09:05:41,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:41,619 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-17 09:05:41,620 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 09:05:41,620 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244434533] [2021-11-17 09:05:41,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244434533] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 09:05:41,622 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 09:05:41,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 09:05:41,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349896037] [2021-11-17 09:05:41,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 09:05:41,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 09:05:41,625 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 09:05:41,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 09:05:41,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 09:05:41,626 INFO L87 Difference]: Start difference. First operand 8445 states and 12549 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-17 09:05:42,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 09:05:42,122 INFO L93 Difference]: Finished difference Result 8451 states and 12554 transitions. [2021-11-17 09:05:42,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 09:05:42,123 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 58 [2021-11-17 09:05:42,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 09:05:42,187 INFO L225 Difference]: With dead ends: 8451 [2021-11-17 09:05:42,188 INFO L226 Difference]: Without dead ends: 8449 [2021-11-17 09:05:42,198 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 09:05:42,201 INFO L933 BasicCegarLoop]: 12543 mSDtfsCounter, 12521 mSDsluCounter, 25073 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12524 SdHoareTripleChecker+Valid, 37616 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-17 09:05:42,203 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12524 Valid, 37616 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-17 09:05:42,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8449 states. [2021-11-17 09:05:44,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8449 to 8449. [2021-11-17 09:05:44,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8449 states, 4848 states have (on average 1.1549092409240924) internal successors, (5599), 4874 states have internal predecessors, (5599), 3478 states have call successors, (3478), 121 states have call predecessors, (3478), 120 states have return successors, (3475), 3463 states have call predecessors, (3475), 3475 states have call successors, (3475) [2021-11-17 09:05:44,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8449 states to 8449 states and 12552 transitions. [2021-11-17 09:05:44,911 INFO L78 Accepts]: Start accepts. Automaton has 8449 states and 12552 transitions. Word has length 58 [2021-11-17 09:05:44,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 09:05:44,912 INFO L470 AbstractCegarLoop]: Abstraction has 8449 states and 12552 transitions. [2021-11-17 09:05:44,913 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-17 09:05:44,913 INFO L276 IsEmpty]: Start isEmpty. Operand 8449 states and 12552 transitions. [2021-11-17 09:05:44,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-17 09:05:44,915 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 09:05:44,915 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:05:44,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 09:05:44,916 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 09:05:44,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 09:05:44,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1979005345, now seen corresponding path program 1 times [2021-11-17 09:05:44,917 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 09:05:44,917 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634548957] [2021-11-17 09:05:44,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 09:05:44,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 09:05:44,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:45,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 09:05:45,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:45,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 09:05:45,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:45,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 09:05:45,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:45,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:05:45,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:45,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 09:05:45,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:45,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 09:05:45,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:45,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-17 09:05:45,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:45,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 09:05:45,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:45,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-17 09:05:45,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:45,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-17 09:05:45,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:45,286 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-17 09:05:45,286 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 09:05:45,286 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634548957] [2021-11-17 09:05:45,286 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634548957] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 09:05:45,286 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 09:05:45,287 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 09:05:45,287 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155111876] [2021-11-17 09:05:45,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 09:05:45,287 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 09:05:45,287 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 09:05:45,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 09:05:45,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 09:05:45,288 INFO L87 Difference]: Start difference. First operand 8449 states and 12552 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-17 09:05:45,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 09:05:45,739 INFO L93 Difference]: Finished difference Result 8455 states and 12557 transitions. [2021-11-17 09:05:45,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 09:05:45,740 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 73 [2021-11-17 09:05:45,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 09:05:45,804 INFO L225 Difference]: With dead ends: 8455 [2021-11-17 09:05:45,805 INFO L226 Difference]: Without dead ends: 8453 [2021-11-17 09:05:45,817 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 09:05:45,819 INFO L933 BasicCegarLoop]: 12543 mSDtfsCounter, 12514 mSDsluCounter, 25073 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12516 SdHoareTripleChecker+Valid, 37616 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-17 09:05:45,820 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12516 Valid, 37616 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-17 09:05:45,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8453 states. [2021-11-17 09:05:48,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8453 to 8453. [2021-11-17 09:05:48,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8453 states, 4851 states have (on average 1.1548134405277262) internal successors, (5602), 4877 states have internal predecessors, (5602), 3478 states have call successors, (3478), 122 states have call predecessors, (3478), 121 states have return successors, (3475), 3463 states have call predecessors, (3475), 3475 states have call successors, (3475) [2021-11-17 09:05:48,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8453 states to 8453 states and 12555 transitions. [2021-11-17 09:05:48,671 INFO L78 Accepts]: Start accepts. Automaton has 8453 states and 12555 transitions. Word has length 73 [2021-11-17 09:05:48,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 09:05:48,672 INFO L470 AbstractCegarLoop]: Abstraction has 8453 states and 12555 transitions. [2021-11-17 09:05:48,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-17 09:05:48,673 INFO L276 IsEmpty]: Start isEmpty. Operand 8453 states and 12555 transitions. [2021-11-17 09:05:48,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-17 09:05:48,674 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 09:05:48,675 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 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] [2021-11-17 09:05:48,675 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 09:05:48,675 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 09:05:48,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 09:05:48,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1975566171, now seen corresponding path program 1 times [2021-11-17 09:05:48,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 09:05:48,676 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058562247] [2021-11-17 09:05:48,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 09:05:48,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 09:05:48,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:48,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 09:05:48,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:48,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 09:05:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:48,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 09:05:48,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:48,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:05:48,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:48,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 09:05:48,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:48,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 09:05:48,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:48,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 09:05:48,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:49,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-17 09:05:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:49,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 09:05:49,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:49,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-17 09:05:49,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:49,040 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-17 09:05:49,040 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 09:05:49,040 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058562247] [2021-11-17 09:05:49,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058562247] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 09:05:49,040 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 09:05:49,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 09:05:49,041 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214438598] [2021-11-17 09:05:49,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 09:05:49,042 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 09:05:49,042 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 09:05:49,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 09:05:49,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 09:05:49,043 INFO L87 Difference]: Start difference. First operand 8453 states and 12555 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-17 09:05:49,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 09:05:49,559 INFO L93 Difference]: Finished difference Result 8548 states and 12641 transitions. [2021-11-17 09:05:49,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 09:05:49,559 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 68 [2021-11-17 09:05:49,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 09:05:49,611 INFO L225 Difference]: With dead ends: 8548 [2021-11-17 09:05:49,611 INFO L226 Difference]: Without dead ends: 8544 [2021-11-17 09:05:49,623 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 09:05:49,625 INFO L933 BasicCegarLoop]: 12560 mSDtfsCounter, 12351 mSDsluCounter, 25356 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12352 SdHoareTripleChecker+Valid, 37916 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-17 09:05:49,626 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12352 Valid, 37916 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-17 09:05:49,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8544 states. [2021-11-17 09:05:54,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8544 to 8542. [2021-11-17 09:05:54,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8542 states, 4915 states have (on average 1.1546286876907426) internal successors, (5675), 4940 states have internal predecessors, (5675), 3482 states have call successors, (3482), 144 states have call predecessors, (3482), 142 states have return successors, (3479), 3467 states have call predecessors, (3479), 3479 states have call successors, (3479) [2021-11-17 09:05:54,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8542 states to 8542 states and 12636 transitions. [2021-11-17 09:05:54,583 INFO L78 Accepts]: Start accepts. Automaton has 8542 states and 12636 transitions. Word has length 68 [2021-11-17 09:05:54,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 09:05:54,583 INFO L470 AbstractCegarLoop]: Abstraction has 8542 states and 12636 transitions. [2021-11-17 09:05:54,584 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-17 09:05:54,584 INFO L276 IsEmpty]: Start isEmpty. Operand 8542 states and 12636 transitions. [2021-11-17 09:05:54,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-17 09:05:54,584 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 09:05:54,585 INFO L514 BasicCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 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] [2021-11-17 09:05:54,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 09:05:54,585 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 09:05:54,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 09:05:54,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1547969923, now seen corresponding path program 1 times [2021-11-17 09:05:54,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 09:05:54,586 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333878202] [2021-11-17 09:05:54,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 09:05:54,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 09:05:54,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:54,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 09:05:54,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:54,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 09:05:54,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:54,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 09:05:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:54,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:05:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:54,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 09:05:54,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:54,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 09:05:54,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:54,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 09:05:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:54,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-17 09:05:54,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:54,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 09:05:54,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:54,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-17 09:05:54,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:54,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-17 09:05:54,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:05:54,928 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-17 09:05:54,928 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 09:05:54,929 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333878202] [2021-11-17 09:05:54,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333878202] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 09:05:54,929 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 09:05:54,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 09:05:54,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518568502] [2021-11-17 09:05:54,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 09:05:54,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 09:05:54,930 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 09:05:54,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 09:05:54,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 09:05:54,930 INFO L87 Difference]: Start difference. First operand 8542 states and 12636 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-17 09:05:55,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 09:05:55,445 INFO L93 Difference]: Finished difference Result 8599 states and 12693 transitions. [2021-11-17 09:05:55,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 09:05:55,446 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 73 [2021-11-17 09:05:55,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 09:05:55,480 INFO L225 Difference]: With dead ends: 8599 [2021-11-17 09:05:55,481 INFO L226 Difference]: Without dead ends: 8461 [2021-11-17 09:05:55,485 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 09:05:55,487 INFO L933 BasicCegarLoop]: 12615 mSDtfsCounter, 12404 mSDsluCounter, 25422 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12404 SdHoareTripleChecker+Valid, 38037 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-17 09:05:55,487 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12404 Valid, 38037 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-17 09:05:55,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8461 states. [2021-11-17 09:06:00,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8461 to 8459. [2021-11-17 09:06:00,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8459 states, 4859 states have (on average 1.1535295328256843) internal successors, (5605), 4881 states have internal predecessors, (5605), 3452 states have call successors, (3452), 146 states have call predecessors, (3452), 146 states have return successors, (3452), 3440 states have call predecessors, (3452), 3452 states have call successors, (3452) [2021-11-17 09:06:00,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8459 states to 8459 states and 12509 transitions. [2021-11-17 09:06:00,344 INFO L78 Accepts]: Start accepts. Automaton has 8459 states and 12509 transitions. Word has length 73 [2021-11-17 09:06:00,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 09:06:00,344 INFO L470 AbstractCegarLoop]: Abstraction has 8459 states and 12509 transitions. [2021-11-17 09:06:00,344 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-17 09:06:00,345 INFO L276 IsEmpty]: Start isEmpty. Operand 8459 states and 12509 transitions. [2021-11-17 09:06:00,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-17 09:06:00,348 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 09:06:00,348 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:06:00,348 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 09:06:00,349 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 09:06:00,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 09:06:00,349 INFO L85 PathProgramCache]: Analyzing trace with hash 785700872, now seen corresponding path program 1 times [2021-11-17 09:06:00,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 09:06:00,349 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514051937] [2021-11-17 09:06:00,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 09:06:00,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 09:06:00,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:06:00,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 09:06:00,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:06:00,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 09:06:00,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:06:00,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 09:06:00,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:06:00,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:06:00,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:06:00,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 09:06:00,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:06:00,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 09:06:00,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:06:00,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-17 09:06:00,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:06:00,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-17 09:06:00,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:06:00,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:06:00,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:06:00,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 09:06:00,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:06:00,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 09:06:00,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:06:00,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-17 09:06:00,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:06:00,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-17 09:06:00,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:06:00,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:06:00,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:06:00,831 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-11-17 09:06:00,832 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 09:06:00,832 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514051937] [2021-11-17 09:06:00,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514051937] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 09:06:00,832 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 09:06:00,832 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 09:06:00,832 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747673847] [2021-11-17 09:06:00,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 09:06:00,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 09:06:00,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 09:06:00,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 09:06:00,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 09:06:00,834 INFO L87 Difference]: Start difference. First operand 8459 states and 12509 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-17 09:06:02,877 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:06:07,549 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:06:13,666 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 09:06:15,821 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 09:06:17,972 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 09:06:21,475 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 09:06:23,626 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 09:06:25,794 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 09:06:27,947 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 09:06:32,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 09:06:32,091 INFO L93 Difference]: Finished difference Result 8510 states and 12582 transitions. [2021-11-17 09:06:32,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 09:06:32,091 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 100 [2021-11-17 09:06:32,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 09:06:32,143 INFO L225 Difference]: With dead ends: 8510 [2021-11-17 09:06:32,144 INFO L226 Difference]: Without dead ends: 8508 [2021-11-17 09:06:32,152 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 09:06:32,154 INFO L933 BasicCegarLoop]: 12290 mSDtfsCounter, 12320 mSDsluCounter, 32177 mSDsCounter, 0 mSdLazyCounter, 1452 mSolverCounterSat, 3765 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12613 SdHoareTripleChecker+Valid, 44467 SdHoareTripleChecker+Invalid, 5226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3765 IncrementalHoareTripleChecker+Valid, 1452 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.5s IncrementalHoareTripleChecker+Time [2021-11-17 09:06:32,154 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12613 Valid, 44467 Invalid, 5226 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3765 Valid, 1452 Invalid, 9 Unknown, 0 Unchecked, 30.5s Time] [2021-11-17 09:06:32,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8508 states. [2021-11-17 09:06:37,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8508 to 8463. [2021-11-17 09:06:37,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8463 states, 4862 states have (on average 1.1534348004936241) internal successors, (5608), 4884 states have internal predecessors, (5608), 3452 states have call successors, (3452), 147 states have call predecessors, (3452), 147 states have return successors, (3452), 3440 states have call predecessors, (3452), 3452 states have call successors, (3452) [2021-11-17 09:06:37,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8463 states to 8463 states and 12512 transitions. [2021-11-17 09:06:37,166 INFO L78 Accepts]: Start accepts. Automaton has 8463 states and 12512 transitions. Word has length 100 [2021-11-17 09:06:37,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 09:06:37,166 INFO L470 AbstractCegarLoop]: Abstraction has 8463 states and 12512 transitions. [2021-11-17 09:06:37,166 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-17 09:06:37,166 INFO L276 IsEmpty]: Start isEmpty. Operand 8463 states and 12512 transitions. [2021-11-17 09:06:37,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-17 09:06:37,171 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 09:06:37,171 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:06:37,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-17 09:06:37,171 INFO L402 AbstractCegarLoop]: === Iteration 8 === 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 09:06:37,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 09:06:37,172 INFO L85 PathProgramCache]: Analyzing trace with hash -237746558, now seen corresponding path program 1 times [2021-11-17 09:06:37,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 09:06:37,172 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907485000] [2021-11-17 09:06:37,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 09:06:37,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 09:06:37,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:06:37,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 09:06:37,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:06:37,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 09:06:37,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:06:37,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 09:06:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:06:37,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:06:37,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:06:37,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 09:06:37,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:06:37,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 09:06:37,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:06:37,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-17 09:06:37,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:06:37,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-17 09:06:37,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:06:37,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:06:37,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:06:37,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 09:06:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:06:37,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 09:06:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:06:37,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-17 09:06:37,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:06:37,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-17 09:06:37,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:06:37,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:06:37,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:06:37,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-17 09:06:37,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:06:37,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:06:37,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:06:37,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-17 09:06:37,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:06:37,835 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-11-17 09:06:37,835 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 09:06:37,835 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907485000] [2021-11-17 09:06:37,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907485000] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 09:06:37,835 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 09:06:37,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 09:06:37,836 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994075269] [2021-11-17 09:06:37,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 09:06:37,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 09:06:37,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 09:06:37,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 09:06:37,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-17 09:06:37,837 INFO L87 Difference]: Start difference. First operand 8463 states and 12512 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2021-11-17 09:06:39,874 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:06:41,922 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:06:43,976 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:06:50,641 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:06:53,778 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:06:55,813 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:07:03,367 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:07:10,278 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 09:07:12,446 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 09:07:22,337 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 09:07:25,156 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.82s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 09:07:38,422 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:10:05,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 09:10:05,860 INFO L93 Difference]: Finished difference Result 17019 states and 25174 transitions. [2021-11-17 09:10:05,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-17 09:10:05,861 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) Word has length 118 [2021-11-17 09:10:05,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 09:10:05,906 INFO L225 Difference]: With dead ends: 17019 [2021-11-17 09:10:05,907 INFO L226 Difference]: Without dead ends: 8563 [2021-11-17 09:10:05,951 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2021-11-17 09:10:05,952 INFO L933 BasicCegarLoop]: 9126 mSDtfsCounter, 5482 mSDsluCounter, 14183 mSDsCounter, 0 mSdLazyCounter, 31973 mSolverCounterSat, 10774 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 194.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8485 SdHoareTripleChecker+Valid, 23309 SdHoareTripleChecker+Invalid, 42755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.7s SdHoareTripleChecker+Time, 10774 IncrementalHoareTripleChecker+Valid, 31973 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 204.8s IncrementalHoareTripleChecker+Time [2021-11-17 09:10:05,952 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8485 Valid, 23309 Invalid, 42755 Unknown, 0 Unchecked, 0.7s Time], IncrementalHoareTripleChecker [10774 Valid, 31973 Invalid, 8 Unknown, 0 Unchecked, 204.8s Time] [2021-11-17 09:10:05,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8563 states. [2021-11-17 09:10:10,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8563 to 8465. [2021-11-17 09:10:10,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8465 states, 4864 states have (on average 1.1533717105263157) internal successors, (5610), 4886 states have internal predecessors, (5610), 3452 states have call successors, (3452), 147 states have call predecessors, (3452), 147 states have return successors, (3452), 3440 states have call predecessors, (3452), 3452 states have call successors, (3452) [2021-11-17 09:10:10,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8465 states to 8465 states and 12514 transitions. [2021-11-17 09:10:10,956 INFO L78 Accepts]: Start accepts. Automaton has 8465 states and 12514 transitions. Word has length 118 [2021-11-17 09:10:10,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 09:10:10,956 INFO L470 AbstractCegarLoop]: Abstraction has 8465 states and 12514 transitions. [2021-11-17 09:10:10,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2021-11-17 09:10:10,957 INFO L276 IsEmpty]: Start isEmpty. Operand 8465 states and 12514 transitions. [2021-11-17 09:10:10,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-17 09:10:10,959 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 09:10:10,960 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:10:10,960 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-17 09:10:10,960 INFO L402 AbstractCegarLoop]: === Iteration 9 === 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 09:10:10,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 09:10:10,960 INFO L85 PathProgramCache]: Analyzing trace with hash 412504133, now seen corresponding path program 1 times [2021-11-17 09:10:10,961 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 09:10:10,961 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442845075] [2021-11-17 09:10:10,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 09:10:10,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 09:10:11,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:10:11,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 09:10:11,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:10:11,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 09:10:11,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:10:11,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 09:10:11,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:10:11,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:10:11,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:10:11,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 09:10:11,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:10:11,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 09:10:11,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:10:11,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-17 09:10:11,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:10:11,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-17 09:10:11,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:10:11,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:10:11,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:10:11,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 09:10:11,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:10:11,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 09:10:11,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:10:11,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-17 09:10:11,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:10:11,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-17 09:10:11,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:10:11,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:10:11,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:10:11,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-17 09:10:11,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:10:11,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:10:11,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:10:11,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-17 09:10:11,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:10:11,743 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-11-17 09:10:11,743 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 09:10:11,743 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442845075] [2021-11-17 09:10:11,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442845075] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 09:10:11,744 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014648070] [2021-11-17 09:10:11,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 09:10:11,744 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 09:10:11,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 09:10:11,745 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 09:10:11,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-17 09:10:12,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:10:12,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 3579 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-17 09:10:12,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 09:10:13,372 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-11-17 09:10:13,372 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 09:10:13,725 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-11-17 09:10:13,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2014648070] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-17 09:10:13,726 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-17 09:10:13,726 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8, 5] total 11 [2021-11-17 09:10:13,726 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499373668] [2021-11-17 09:10:13,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 09:10:13,727 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 09:10:13,727 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 09:10:13,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 09:10:13,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-11-17 09:10:13,727 INFO L87 Difference]: Start difference. First operand 8465 states and 12514 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2021-11-17 09:10:14,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 09:10:14,268 INFO L93 Difference]: Finished difference Result 16913 states and 25015 transitions. [2021-11-17 09:10:14,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-17 09:10:14,269 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) Word has length 119 [2021-11-17 09:10:14,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 09:10:14,315 INFO L225 Difference]: With dead ends: 16913 [2021-11-17 09:10:14,315 INFO L226 Difference]: Without dead ends: 8467 [2021-11-17 09:10:14,353 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 264 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-11-17 09:10:14,354 INFO L933 BasicCegarLoop]: 12367 mSDtfsCounter, 5 mSDsluCounter, 24728 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 37095 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-17 09:10:14,354 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 37095 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-17 09:10:14,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8467 states. [2021-11-17 09:10:19,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8467 to 8467. [2021-11-17 09:10:19,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8467 states, 4866 states have (on average 1.1533086724208796) internal successors, (5612), 4888 states have internal predecessors, (5612), 3452 states have call successors, (3452), 147 states have call predecessors, (3452), 147 states have return successors, (3452), 3440 states have call predecessors, (3452), 3452 states have call successors, (3452) [2021-11-17 09:10:19,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8467 states to 8467 states and 12516 transitions. [2021-11-17 09:10:19,391 INFO L78 Accepts]: Start accepts. Automaton has 8467 states and 12516 transitions. Word has length 119 [2021-11-17 09:10:19,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 09:10:19,391 INFO L470 AbstractCegarLoop]: Abstraction has 8467 states and 12516 transitions. [2021-11-17 09:10:19,391 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2021-11-17 09:10:19,392 INFO L276 IsEmpty]: Start isEmpty. Operand 8467 states and 12516 transitions. [2021-11-17 09:10:19,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-17 09:10:19,398 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 09:10:19,398 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:10:19,428 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-17 09:10:19,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 09:10:19,623 INFO L402 AbstractCegarLoop]: === Iteration 10 === 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 09:10:19,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 09:10:19,624 INFO L85 PathProgramCache]: Analyzing trace with hash 755733668, now seen corresponding path program 1 times [2021-11-17 09:10:19,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 09:10:19,624 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009585011] [2021-11-17 09:10:19,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 09:10:19,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 09:10:19,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:10:19,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 09:10:19,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:10:19,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 09:10:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:10:19,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 09:10:19,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:10:19,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:10:19,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:10:19,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 09:10:19,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:10:19,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 09:10:19,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:10:19,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-17 09:10:19,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:10:19,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-17 09:10:19,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:10:19,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:10:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:10:19,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 09:10:19,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:10:19,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 09:10:19,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:10:19,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-17 09:10:19,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:10:19,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-17 09:10:19,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:10:19,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:10:19,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:10:19,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-17 09:10:19,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:10:19,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:10:19,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:10:20,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-17 09:10:20,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:10:20,386 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-11-17 09:10:20,386 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 09:10:20,386 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009585011] [2021-11-17 09:10:20,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009585011] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 09:10:20,386 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1802326309] [2021-11-17 09:10:20,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 09:10:20,386 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 09:10:20,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 09:10:20,388 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 09:10:20,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-17 09:10:21,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:10:21,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 3589 conjuncts, 50 conjunts are in the unsatisfiable core [2021-11-17 09:10:21,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 09:10:23,469 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 39 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-17 09:10:23,470 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 09:10:24,875 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-17 09:10:24,875 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1802326309] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-17 09:10:24,876 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-17 09:10:24,876 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 15, 15] total 24 [2021-11-17 09:10:24,876 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947019257] [2021-11-17 09:10:24,876 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-17 09:10:24,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-17 09:10:24,876 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 09:10:24,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-17 09:10:24,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=503, Unknown=0, NotChecked=0, Total=552 [2021-11-17 09:10:24,877 INFO L87 Difference]: Start difference. First operand 8467 states and 12516 transitions. Second operand has 24 states, 23 states have (on average 5.869565217391305) internal successors, (135), 19 states have internal predecessors, (135), 6 states have call successors, (43), 5 states have call predecessors, (43), 6 states have return successors, (41), 7 states have call predecessors, (41), 6 states have call successors, (41) [2021-11-17 09:10:26,913 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:10:28,963 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:10:31,018 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:10:58,961 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:11:08,924 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:11:10,333 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:11:12,309 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:11:15,036 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:11:16,997 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:11:34,791 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:12:00,019 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:12:37,715 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 09:12:39,862 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 09:12:42,013 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 09:12:44,167 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 09:12:46,330 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 09:12:48,492 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 09:12:50,647 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 09:12:52,804 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 09:12:54,961 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 09:12:57,127 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 09:12:59,278 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 09:13:02,348 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 09:13:04,475 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 09:13:06,592 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 09:13:09,192 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 09:13:11,360 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] Killed by 15