./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76bf57a3-f0d3-4c1f-8351-400c0617ace4/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76bf57a3-f0d3-4c1f-8351-400c0617ace4/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76bf57a3-f0d3-4c1f-8351-400c0617ace4/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76bf57a3-f0d3-4c1f-8351-400c0617ace4/bin/uautomizer-DrprNOufMa/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76bf57a3-f0d3-4c1f-8351-400c0617ace4/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76bf57a3-f0d3-4c1f-8351-400c0617ace4/bin/uautomizer-DrprNOufMa --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 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 01:05:29,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 01:05:29,142 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 01:05:29,165 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 01:05:29,166 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 01:05:29,166 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 01:05:29,168 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 01:05:29,169 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 01:05:29,171 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 01:05:29,172 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 01:05:29,173 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 01:05:29,174 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 01:05:29,174 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 01:05:29,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 01:05:29,176 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 01:05:29,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 01:05:29,178 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 01:05:29,179 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 01:05:29,181 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 01:05:29,183 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 01:05:29,184 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 01:05:29,185 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 01:05:29,187 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 01:05:29,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 01:05:29,190 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 01:05:29,190 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 01:05:29,191 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 01:05:29,191 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 01:05:29,192 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 01:05:29,193 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 01:05:29,193 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 01:05:29,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 01:05:29,194 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 01:05:29,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 01:05:29,196 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 01:05:29,196 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 01:05:29,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 01:05:29,197 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 01:05:29,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 01:05:29,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 01:05:29,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 01:05:29,199 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76bf57a3-f0d3-4c1f-8351-400c0617ace4/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-07 01:05:29,223 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 01:05:29,223 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 01:05:29,224 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 01:05:29,224 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 01:05:29,225 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 01:05:29,225 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 01:05:29,225 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 01:05:29,226 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 01:05:29,226 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 01:05:29,226 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 01:05:29,226 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 01:05:29,226 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 01:05:29,227 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 01:05:29,227 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 01:05:29,227 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 01:05:29,227 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 01:05:29,227 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 01:05:29,227 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 01:05:29,228 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 01:05:29,228 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 01:05:29,228 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 01:05:29,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:05:29,228 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 01:05:29,229 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 01:05:29,229 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 01:05:29,229 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 01:05:29,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 01:05:29,229 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 01:05:29,229 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 01:05:29,230 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 01:05:29,230 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 01:05:29,230 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76bf57a3-f0d3-4c1f-8351-400c0617ace4/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76bf57a3-f0d3-4c1f-8351-400c0617ace4/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a4efb80f78cf6db9ac1c2540f0e3afbb357842376bf73c44e7e4fa9311ea9dc [2021-12-07 01:05:29,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 01:05:29,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 01:05:29,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 01:05:29,441 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 01:05:29,441 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 01:05:29,442 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76bf57a3-f0d3-4c1f-8351-400c0617ace4/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i [2021-12-07 01:05:29,486 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76bf57a3-f0d3-4c1f-8351-400c0617ace4/bin/uautomizer-DrprNOufMa/data/e839af0ba/c8af1cbfa2c64923ac8cf3ae5e46010d/FLAGc578833b2 [2021-12-07 01:05:30,173 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 01:05:30,173 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76bf57a3-f0d3-4c1f-8351-400c0617ace4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i [2021-12-07 01:05:30,205 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76bf57a3-f0d3-4c1f-8351-400c0617ace4/bin/uautomizer-DrprNOufMa/data/e839af0ba/c8af1cbfa2c64923ac8cf3ae5e46010d/FLAGc578833b2 [2021-12-07 01:05:30,485 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76bf57a3-f0d3-4c1f-8351-400c0617ace4/bin/uautomizer-DrprNOufMa/data/e839af0ba/c8af1cbfa2c64923ac8cf3ae5e46010d [2021-12-07 01:05:30,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 01:05:30,496 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 01:05:30,500 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 01:05:30,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 01:05:30,510 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 01:05:30,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:05:30" (1/1) ... [2021-12-07 01:05:30,514 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31d87387 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:05:30, skipping insertion in model container [2021-12-07 01:05:30,515 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:05:30" (1/1) ... [2021-12-07 01:05:30,533 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 01:05:30,712 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 01:05:33,022 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76bf57a3-f0d3-4c1f-8351-400c0617ace4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[508948,508961] [2021-12-07 01:05:33,025 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76bf57a3-f0d3-4c1f-8351-400c0617ace4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509114,509127] [2021-12-07 01:05:33,025 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76bf57a3-f0d3-4c1f-8351-400c0617ace4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509278,509291] [2021-12-07 01:05:33,025 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76bf57a3-f0d3-4c1f-8351-400c0617ace4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509443,509456] [2021-12-07 01:05:33,044 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:05:33,065 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 01:05:33,515 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76bf57a3-f0d3-4c1f-8351-400c0617ace4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[508948,508961] [2021-12-07 01:05:33,515 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76bf57a3-f0d3-4c1f-8351-400c0617ace4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509114,509127] [2021-12-07 01:05:33,515 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76bf57a3-f0d3-4c1f-8351-400c0617ace4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509278,509291] [2021-12-07 01:05:33,516 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76bf57a3-f0d3-4c1f-8351-400c0617ace4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509443,509456] [2021-12-07 01:05:33,519 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:05:33,683 INFO L208 MainTranslator]: Completed translation [2021-12-07 01:05:33,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:05:33 WrapperNode [2021-12-07 01:05:33,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 01:05:33,684 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 01:05:33,684 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 01:05:33,684 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 01:05:33,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:05:33" (1/1) ... [2021-12-07 01:05:33,777 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:05:33" (1/1) ... [2021-12-07 01:05:34,065 INFO L137 Inliner]: procedures = 370, calls = 6116, calls flagged for inlining = 171, calls inlined = 146, statements flattened = 16408 [2021-12-07 01:05:34,066 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 01:05:34,066 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 01:05:34,066 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 01:05:34,067 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 01:05:34,076 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:05:33" (1/1) ... [2021-12-07 01:05:34,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:05:33" (1/1) ... [2021-12-07 01:05:34,133 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:05:33" (1/1) ... [2021-12-07 01:05:34,134 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:05:33" (1/1) ... [2021-12-07 01:05:34,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:05:33" (1/1) ... [2021-12-07 01:05:34,327 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:05:33" (1/1) ... [2021-12-07 01:05:34,361 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:05:33" (1/1) ... [2021-12-07 01:05:34,417 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 01:05:34,418 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 01:05:34,418 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 01:05:34,418 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 01:05:34,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:05:33" (1/1) ... [2021-12-07 01:05:34,425 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:05:34,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76bf57a3-f0d3-4c1f-8351-400c0617ace4/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:05:34,443 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76bf57a3-f0d3-4c1f-8351-400c0617ace4/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 01:05:34,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76bf57a3-f0d3-4c1f-8351-400c0617ace4/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 01:05:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-07 01:05:34,480 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-07 01:05:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure to_sd [2021-12-07 01:05:34,481 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sd [2021-12-07 01:05:34,481 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_tuner [2021-12-07 01:05:34,481 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_tuner [2021-12-07 01:05:34,481 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ctrl [2021-12-07 01:05:34,481 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ctrl [2021-12-07 01:05:34,481 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_s_parameters [2021-12-07 01:05:34,481 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_s_parameters [2021-12-07 01:05:34,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-07 01:05:34,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-07 01:05:34,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-07 01:05:34,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-07 01:05:34,482 INFO L130 BoogieDeclarations]: Found specification of procedure input_change [2021-12-07 01:05:34,482 INFO L138 BoogieDeclarations]: Found implementation of procedure input_change [2021-12-07 01:05:34,482 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_g_parameters [2021-12-07 01:05:34,482 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_g_parameters [2021-12-07 01:05:34,482 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_querymenu [2021-12-07 01:05:34,483 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_querymenu [2021-12-07 01:05:34,483 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-07 01:05:34,483 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-07 01:05:34,483 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_probe [2021-12-07 01:05:34,483 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_probe [2021-12-07 01:05:34,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-07 01:05:34,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-07 01:05:34,483 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-12-07 01:05:34,484 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-12-07 01:05:34,484 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_shutdown [2021-12-07 01:05:34,484 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_shutdown [2021-12-07 01:05:34,484 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx2388x [2021-12-07 01:05:34,484 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx2388x [2021-12-07 01:05:34,484 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_tuner [2021-12-07 01:05:34,484 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_tuner [2021-12-07 01:05:34,484 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx2583x [2021-12-07 01:05:34,485 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx2583x [2021-12-07 01:05:34,485 INFO L130 BoogieDeclarations]: Found specification of procedure to_ir_state [2021-12-07 01:05:34,485 INFO L138 BoogieDeclarations]: Found implementation of procedure to_ir_state [2021-12-07 01:05:34,485 INFO L130 BoogieDeclarations]: Found specification of procedure control_tx_enable [2021-12-07 01:05:34,485 INFO L138 BoogieDeclarations]: Found implementation of procedure control_tx_enable [2021-12-07 01:05:34,485 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_width_count_to_ns [2021-12-07 01:05:34,485 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_width_count_to_ns [2021-12-07 01:05:34,485 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-07 01:05:34,486 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-07 01:05:34,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-07 01:05:34,486 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-07 01:05:34,486 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_freq_to_clock_divider [2021-12-07 01:05:34,486 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_freq_to_clock_divider [2021-12-07 01:05:34,486 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_demodulation_enable [2021-12-07 01:05:34,486 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_demodulation_enable [2021-12-07 01:05:34,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-12-07 01:05:34,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-12-07 01:05:34,487 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-07 01:05:34,487 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-07 01:05:34,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 01:05:34,487 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-07 01:05:34,487 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-07 01:05:34,487 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_write [2021-12-07 01:05:34,488 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_write [2021-12-07 01:05:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2021-12-07 01:05:34,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2021-12-07 01:05:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-07 01:05:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_mbus_fmt [2021-12-07 01:05:34,488 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_mbus_fmt [2021-12-07 01:05:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-07 01:05:34,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-07 01:05:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2021-12-07 01:05:34,489 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2021-12-07 01:05:34,489 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2021-12-07 01:05:34,489 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2021-12-07 01:05:34,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-07 01:05:34,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-07 01:05:34,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-12-07 01:05:34,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-12-07 01:05:34,489 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-07 01:05:34,490 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-07 01:05:34,490 INFO L130 BoogieDeclarations]: Found specification of procedure set_volume [2021-12-07 01:05:34,490 INFO L138 BoogieDeclarations]: Found implementation of procedure set_volume [2021-12-07 01:05:34,490 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_sliced_fmt [2021-12-07 01:05:34,490 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_sliced_fmt [2021-12-07 01:05:34,490 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_initialize [2021-12-07 01:05:34,490 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_initialize [2021-12-07 01:05:34,490 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ext_ctrls [2021-12-07 01:05:34,491 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ext_ctrls [2021-12-07 01:05:34,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 01:05:34,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-07 01:05:34,491 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-07 01:05:34,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-07 01:05:34,491 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-07 01:05:34,491 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-07 01:05:34,491 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2021-12-07 01:05:34,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2021-12-07 01:05:34,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-07 01:05:34,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-07 01:05:34,492 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_resolution [2021-12-07 01:05:34,492 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_resolution [2021-12-07 01:05:34,492 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-07 01:05:34,492 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-07 01:05:34,492 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_try_ext_ctrls [2021-12-07 01:05:34,493 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_try_ext_ctrls [2021-12-07 01:05:34,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_rx_params_lock_of_cx25840_ir_state [2021-12-07 01:05:34,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_rx_params_lock_of_cx25840_ir_state [2021-12-07 01:05:34,493 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-07 01:05:34,493 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-07 01:05:34,493 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata___0 [2021-12-07 01:05:34,493 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata___0 [2021-12-07 01:05:34,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-07 01:05:34,493 INFO L130 BoogieDeclarations]: Found specification of procedure cx25836_initialize [2021-12-07 01:05:34,494 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25836_initialize [2021-12-07 01:05:34,494 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_write4 [2021-12-07 01:05:34,494 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_write4 [2021-12-07 01:05:34,494 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ext_ctrls [2021-12-07 01:05:34,494 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ext_ctrls [2021-12-07 01:05:34,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-07 01:05:34,494 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_frequency [2021-12-07 01:05:34,495 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_frequency [2021-12-07 01:05:34,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-07 01:05:34,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-07 01:05:34,495 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_std_setup [2021-12-07 01:05:34,495 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_std_setup [2021-12-07 01:05:34,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 01:05:34,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-07 01:05:34,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-07 01:05:34,496 INFO L130 BoogieDeclarations]: Found specification of procedure irqenable_tx [2021-12-07 01:05:34,496 INFO L138 BoogieDeclarations]: Found implementation of procedure irqenable_tx [2021-12-07 01:05:34,496 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2021-12-07 01:05:34,496 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2021-12-07 01:05:34,496 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_queryctrl [2021-12-07 01:05:34,496 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_queryctrl [2021-12-07 01:05:34,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-07 01:05:34,496 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-07 01:05:34,496 INFO L130 BoogieDeclarations]: Found specification of procedure control_tx_modulation_enable [2021-12-07 01:05:34,497 INFO L138 BoogieDeclarations]: Found implementation of procedure control_tx_modulation_enable [2021-12-07 01:05:34,497 INFO L130 BoogieDeclarations]: Found specification of procedure cx23885_initialize [2021-12-07 01:05:34,497 INFO L138 BoogieDeclarations]: Found implementation of procedure cx23885_initialize [2021-12-07 01:05:34,497 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_raw_fmt [2021-12-07 01:05:34,497 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_raw_fmt [2021-12-07 01:05:34,497 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_freq [2021-12-07 01:05:34,497 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_freq [2021-12-07 01:05:34,497 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_std [2021-12-07 01:05:34,497 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_std [2021-12-07 01:05:34,498 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_and_or [2021-12-07 01:05:34,498 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_and_or [2021-12-07 01:05:34,498 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ctrl [2021-12-07 01:05:34,498 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ctrl [2021-12-07 01:05:34,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-07 01:05:34,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-07 01:05:34,498 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_s_parameters [2021-12-07 01:05:34,498 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_s_parameters [2021-12-07 01:05:34,498 INFO L130 BoogieDeclarations]: Found specification of procedure to_state [2021-12-07 01:05:34,499 INFO L138 BoogieDeclarations]: Found implementation of procedure to_state [2021-12-07 01:05:34,499 INFO L130 BoogieDeclarations]: Found specification of procedure set_audclk_freq [2021-12-07 01:05:34,499 INFO L138 BoogieDeclarations]: Found implementation of procedure set_audclk_freq [2021-12-07 01:05:34,499 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_register [2021-12-07 01:05:34,499 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_register [2021-12-07 01:05:34,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 01:05:34,499 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_register [2021-12-07 01:05:34,499 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_register [2021-12-07 01:05:34,500 INFO L130 BoogieDeclarations]: Found specification of procedure set_input [2021-12-07 01:05:34,500 INFO L138 BoogieDeclarations]: Found implementation of procedure set_input [2021-12-07 01:05:34,500 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_g_parameters [2021-12-07 01:05:34,500 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_g_parameters [2021-12-07 01:05:34,500 INFO L130 BoogieDeclarations]: Found specification of procedure cx23888_std_setup [2021-12-07 01:05:34,500 INFO L138 BoogieDeclarations]: Found implementation of procedure cx23888_std_setup [2021-12-07 01:05:34,500 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_initialize [2021-12-07 01:05:34,500 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_initialize [2021-12-07 01:05:34,500 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2021-12-07 01:05:34,501 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2021-12-07 01:05:34,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tx_params_lock_of_cx25840_ir_state [2021-12-07 01:05:34,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tx_params_lock_of_cx25840_ir_state [2021-12-07 01:05:34,501 INFO L130 BoogieDeclarations]: Found specification of procedure irqenable_rx [2021-12-07 01:05:34,501 INFO L138 BoogieDeclarations]: Found implementation of procedure irqenable_rx [2021-12-07 01:05:34,501 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_and_or4 [2021-12-07 01:05:34,501 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_and_or4 [2021-12-07 01:05:34,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_tx_params_lock_of_cx25840_ir_state [2021-12-07 01:05:34,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_tx_params_lock_of_cx25840_ir_state [2021-12-07 01:05:34,502 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_input_status [2021-12-07 01:05:34,502 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_input_status [2021-12-07 01:05:34,502 INFO L130 BoogieDeclarations]: Found specification of procedure lpf_count_to_ns [2021-12-07 01:05:34,502 INFO L138 BoogieDeclarations]: Found implementation of procedure lpf_count_to_ns [2021-12-07 01:05:34,502 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_set_audclk_freq [2021-12-07 01:05:34,502 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_set_audclk_freq [2021-12-07 01:05:34,502 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_read [2021-12-07 01:05:34,502 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_read [2021-12-07 01:05:34,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-07 01:05:34,503 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_width_count_to_us [2021-12-07 01:05:34,503 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_width_count_to_us [2021-12-07 01:05:34,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 01:05:34,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-07 01:05:34,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-07 01:05:34,503 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-07 01:05:34,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-07 01:05:34,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-07 01:05:34,503 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-07 01:05:34,504 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_sliced_fmt [2021-12-07 01:05:34,504 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_sliced_fmt [2021-12-07 01:05:34,504 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2021-12-07 01:05:34,504 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send [2021-12-07 01:05:34,504 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2021-12-07 01:05:34,504 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2021-12-07 01:05:34,504 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_decode_vbi_line [2021-12-07 01:05:34,504 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_decode_vbi_line [2021-12-07 01:05:34,505 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_adapter_id [2021-12-07 01:05:34,505 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_adapter_id [2021-12-07 01:05:34,505 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_carrier_freq [2021-12-07 01:05:34,505 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_carrier_freq [2021-12-07 01:05:34,505 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_clocks_to_clock_divider [2021-12-07 01:05:34,505 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_clocks_to_clock_divider [2021-12-07 01:05:34,505 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx231xx [2021-12-07 01:05:34,505 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx231xx [2021-12-07 01:05:34,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-07 01:05:34,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-07 01:05:34,506 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_s_edge_detection [2021-12-07 01:05:34,506 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_s_edge_detection [2021-12-07 01:05:34,506 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2021-12-07 01:05:34,506 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2021-12-07 01:05:34,506 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_probe [2021-12-07 01:05:34,506 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_probe [2021-12-07 01:05:34,506 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-07 01:05:34,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-07 01:05:34,506 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-12-07 01:05:34,507 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-12-07 01:05:34,507 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_read4 [2021-12-07 01:05:34,507 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_read4 [2021-12-07 01:05:34,507 INFO L130 BoogieDeclarations]: Found specification of procedure odd_parity [2021-12-07 01:05:34,507 INFO L138 BoogieDeclarations]: Found implementation of procedure odd_parity [2021-12-07 01:05:34,507 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-07 01:05:34,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-07 01:05:34,507 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_enable [2021-12-07 01:05:34,507 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_enable [2021-12-07 01:05:34,508 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-07 01:05:34,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-07 01:05:34,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_rx_params_lock_of_cx25840_ir_state [2021-12-07 01:05:34,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_rx_params_lock_of_cx25840_ir_state [2021-12-07 01:05:34,508 INFO L130 BoogieDeclarations]: Found specification of procedure filter_rx_s_min_width [2021-12-07 01:05:34,508 INFO L138 BoogieDeclarations]: Found implementation of procedure filter_rx_s_min_width [2021-12-07 01:05:34,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 01:05:34,508 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_shutdown [2021-12-07 01:05:34,508 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_shutdown [2021-12-07 01:05:34,509 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-12-07 01:05:34,509 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-12-07 01:05:34,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-07 01:05:34,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-07 01:05:34,509 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-07 01:05:34,509 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-07 01:05:34,509 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23885 [2021-12-07 01:05:34,509 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23885 [2021-12-07 01:05:34,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 01:05:34,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 01:05:34,510 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_pulse_clocks [2021-12-07 01:05:34,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_pulse_clocks [2021-12-07 01:05:34,510 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23888 [2021-12-07 01:05:34,510 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23888 [2021-12-07 01:05:34,510 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23887 [2021-12-07 01:05:34,510 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23887 [2021-12-07 01:05:35,298 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 01:05:35,300 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 01:05:35,628 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-07 01:06:41,560 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 01:06:41,600 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 01:06:41,600 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-07 01:06:41,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:06:41 BoogieIcfgContainer [2021-12-07 01:06:41,608 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 01:06:41,609 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 01:06:41,609 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 01:06:41,612 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 01:06:41,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:05:30" (1/3) ... [2021-12-07 01:06:41,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@399459ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:06:41, skipping insertion in model container [2021-12-07 01:06:41,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:05:33" (2/3) ... [2021-12-07 01:06:41,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@399459ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:06:41, skipping insertion in model container [2021-12-07 01:06:41,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:06:41" (3/3) ... [2021-12-07 01:06:41,614 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i [2021-12-07 01:06:41,618 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 01:06:41,618 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-07 01:06:41,672 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 01:06:41,676 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-07 01:06:41,676 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-07 01:06:41,794 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) [2021-12-07 01:06:41,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-12-07 01:06:41,798 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:06:41,799 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] [2021-12-07 01:06:41,800 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-07 01:06:41,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:06:41,803 INFO L85 PathProgramCache]: Analyzing trace with hash -2030594725, now seen corresponding path program 1 times [2021-12-07 01:06:41,810 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:06:41,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316915130] [2021-12-07 01:06:41,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:06:41,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:06:42,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:42,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-07 01:06:42,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:42,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-07 01:06:42,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:42,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-07 01:06:42,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:42,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:06:42,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:42,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-07 01:06:42,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:42,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-07 01:06:42,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:42,458 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-07 01:06:42,458 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:06:42,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316915130] [2021-12-07 01:06:42,459 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316915130] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:06:42,459 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:06:42,459 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 01:06:42,460 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531117509] [2021-12-07 01:06:42,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:06:42,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 01:06:42,464 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:06:42,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 01:06:42,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:06:42,503 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) [2021-12-07 01:06:43,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:06:43,220 INFO L93 Difference]: Finished difference Result 16874 states and 25149 transitions. [2021-12-07 01:06:43,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 01:06:43,223 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 [2021-12-07 01:06:43,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:06:43,292 INFO L225 Difference]: With dead ends: 16874 [2021-12-07 01:06:43,292 INFO L226 Difference]: Without dead ends: 8441 [2021-12-07 01:06:43,354 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-07 01:06:43,357 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 [2021-12-07 01:06:43,358 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] [2021-12-07 01:06:43,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8441 states. [2021-12-07 01:06:46,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8441 to 8441. [2021-12-07 01:06:46,479 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) [2021-12-07 01:06:46,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8441 states to 8441 states and 12546 transitions. [2021-12-07 01:06:46,562 INFO L78 Accepts]: Start accepts. Automaton has 8441 states and 12546 transitions. Word has length 48 [2021-12-07 01:06:46,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:06:46,563 INFO L470 AbstractCegarLoop]: Abstraction has 8441 states and 12546 transitions. [2021-12-07 01:06:46,563 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) [2021-12-07 01:06:46,564 INFO L276 IsEmpty]: Start isEmpty. Operand 8441 states and 12546 transitions. [2021-12-07 01:06:46,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-12-07 01:06:46,566 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:06:46,566 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] [2021-12-07 01:06:46,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 01:06:46,567 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)] === [2021-12-07 01:06:46,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:06:46,567 INFO L85 PathProgramCache]: Analyzing trace with hash 283534717, now seen corresponding path program 1 times [2021-12-07 01:06:46,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:06:46,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831348842] [2021-12-07 01:06:46,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:06:46,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:06:46,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:46,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-07 01:06:46,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:46,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-07 01:06:46,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:46,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-07 01:06:46,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:46,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:06:46,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:46,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-07 01:06:46,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:46,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-07 01:06:46,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:46,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-07 01:06:46,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:46,916 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-07 01:06:46,916 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:06:46,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831348842] [2021-12-07 01:06:46,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831348842] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:06:46,916 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:06:46,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 01:06:46,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534232031] [2021-12-07 01:06:46,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:06:46,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 01:06:46,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:06:46,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 01:06:46,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:06:46,921 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) [2021-12-07 01:06:47,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:06:47,534 INFO L93 Difference]: Finished difference Result 8447 states and 12551 transitions. [2021-12-07 01:06:47,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 01:06:47,535 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 [2021-12-07 01:06:47,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:06:47,594 INFO L225 Difference]: With dead ends: 8447 [2021-12-07 01:06:47,594 INFO L226 Difference]: Without dead ends: 8445 [2021-12-07 01:06:47,601 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-07 01:06:47,602 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, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:06:47,603 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12525 Valid, 37616 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-07 01:06:47,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8445 states. [2021-12-07 01:06:50,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8445 to 8445. [2021-12-07 01:06:50,697 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) [2021-12-07 01:06:50,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8445 states to 8445 states and 12549 transitions. [2021-12-07 01:06:50,739 INFO L78 Accepts]: Start accepts. Automaton has 8445 states and 12549 transitions. Word has length 53 [2021-12-07 01:06:50,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:06:50,739 INFO L470 AbstractCegarLoop]: Abstraction has 8445 states and 12549 transitions. [2021-12-07 01:06:50,739 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) [2021-12-07 01:06:50,739 INFO L276 IsEmpty]: Start isEmpty. Operand 8445 states and 12549 transitions. [2021-12-07 01:06:50,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-12-07 01:06:50,741 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:06:50,741 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] [2021-12-07 01:06:50,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 01:06:50,742 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)] === [2021-12-07 01:06:50,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:06:50,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1243909541, now seen corresponding path program 1 times [2021-12-07 01:06:50,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:06:50,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184589104] [2021-12-07 01:06:50,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:06:50,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:06:50,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:50,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-07 01:06:50,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:50,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-07 01:06:50,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:50,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-07 01:06:50,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:51,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:06:51,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:51,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-07 01:06:51,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:51,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-07 01:06:51,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:51,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-07 01:06:51,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:51,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-07 01:06:51,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:51,053 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-07 01:06:51,053 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:06:51,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184589104] [2021-12-07 01:06:51,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184589104] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:06:51,053 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:06:51,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 01:06:51,053 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266010976] [2021-12-07 01:06:51,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:06:51,054 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 01:06:51,054 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:06:51,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 01:06:51,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:06:51,055 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) [2021-12-07 01:06:51,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:06:51,590 INFO L93 Difference]: Finished difference Result 8451 states and 12554 transitions. [2021-12-07 01:06:51,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 01:06:51,591 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 [2021-12-07 01:06:51,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:06:51,646 INFO L225 Difference]: With dead ends: 8451 [2021-12-07 01:06:51,646 INFO L226 Difference]: Without dead ends: 8449 [2021-12-07 01:06:51,653 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-07 01:06:51,653 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 [2021-12-07 01:06:51,654 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] [2021-12-07 01:06:51,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8449 states. [2021-12-07 01:06:54,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8449 to 8449. [2021-12-07 01:06:54,840 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) [2021-12-07 01:06:54,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8449 states to 8449 states and 12552 transitions. [2021-12-07 01:06:54,879 INFO L78 Accepts]: Start accepts. Automaton has 8449 states and 12552 transitions. Word has length 58 [2021-12-07 01:06:54,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:06:54,880 INFO L470 AbstractCegarLoop]: Abstraction has 8449 states and 12552 transitions. [2021-12-07 01:06:54,880 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) [2021-12-07 01:06:54,880 INFO L276 IsEmpty]: Start isEmpty. Operand 8449 states and 12552 transitions. [2021-12-07 01:06:54,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-12-07 01:06:54,881 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:06:54,881 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] [2021-12-07 01:06:54,882 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-07 01:06:54,882 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-07 01:06:54,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:06:54,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1979005345, now seen corresponding path program 1 times [2021-12-07 01:06:54,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:06:54,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378252772] [2021-12-07 01:06:54,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:06:54,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:06:54,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:55,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-07 01:06:55,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:55,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-07 01:06:55,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:55,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-07 01:06:55,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:55,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:06:55,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:55,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-07 01:06:55,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:55,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-07 01:06:55,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:55,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-07 01:06:55,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:55,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-07 01:06:55,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:55,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-07 01:06:55,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:55,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-07 01:06:55,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:55,191 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-07 01:06:55,192 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:06:55,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378252772] [2021-12-07 01:06:55,192 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378252772] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:06:55,192 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:06:55,192 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 01:06:55,192 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341838460] [2021-12-07 01:06:55,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:06:55,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 01:06:55,193 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:06:55,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 01:06:55,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:06:55,193 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) [2021-12-07 01:06:55,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:06:55,656 INFO L93 Difference]: Finished difference Result 8455 states and 12557 transitions. [2021-12-07 01:06:55,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 01:06:55,657 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 [2021-12-07 01:06:55,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:06:55,713 INFO L225 Difference]: With dead ends: 8455 [2021-12-07 01:06:55,713 INFO L226 Difference]: Without dead ends: 8453 [2021-12-07 01:06:55,721 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-07 01:06:55,722 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, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:06:55,722 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12516 Valid, 37616 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-07 01:06:55,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8453 states. [2021-12-07 01:06:58,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8453 to 8453. [2021-12-07 01:06:58,883 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) [2021-12-07 01:06:58,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8453 states to 8453 states and 12555 transitions. [2021-12-07 01:06:58,919 INFO L78 Accepts]: Start accepts. Automaton has 8453 states and 12555 transitions. Word has length 73 [2021-12-07 01:06:58,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:06:58,920 INFO L470 AbstractCegarLoop]: Abstraction has 8453 states and 12555 transitions. [2021-12-07 01:06:58,920 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) [2021-12-07 01:06:58,920 INFO L276 IsEmpty]: Start isEmpty. Operand 8453 states and 12555 transitions. [2021-12-07 01:06:58,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-12-07 01:06:58,921 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:06:58,921 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] [2021-12-07 01:06:58,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-07 01:06:58,922 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-07 01:06:58,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:06:58,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1975566171, now seen corresponding path program 1 times [2021-12-07 01:06:58,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:06:58,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983270314] [2021-12-07 01:06:58,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:06:58,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:06:58,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:59,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-07 01:06:59,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:59,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-07 01:06:59,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:59,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-07 01:06:59,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:59,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:06:59,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:59,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-07 01:06:59,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:59,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-07 01:06:59,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:59,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-07 01:06:59,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:59,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-07 01:06:59,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:59,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-07 01:06:59,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:59,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-07 01:06:59,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:06:59,200 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-12-07 01:06:59,201 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:06:59,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983270314] [2021-12-07 01:06:59,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983270314] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:06:59,201 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:06:59,201 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 01:06:59,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623870929] [2021-12-07 01:06:59,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:06:59,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 01:06:59,201 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:06:59,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 01:06:59,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:06:59,202 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) [2021-12-07 01:06:59,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:06:59,657 INFO L93 Difference]: Finished difference Result 8548 states and 12641 transitions. [2021-12-07 01:06:59,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 01:06:59,657 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 [2021-12-07 01:06:59,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:06:59,693 INFO L225 Difference]: With dead ends: 8548 [2021-12-07 01:06:59,693 INFO L226 Difference]: Without dead ends: 8544 [2021-12-07 01:06:59,701 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-07 01:06:59,702 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, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:06:59,702 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12352 Valid, 37916 Invalid, 17 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-07 01:06:59,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8544 states. [2021-12-07 01:07:05,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8544 to 8542. [2021-12-07 01:07:05,567 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) [2021-12-07 01:07:05,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8542 states to 8542 states and 12636 transitions. [2021-12-07 01:07:05,601 INFO L78 Accepts]: Start accepts. Automaton has 8542 states and 12636 transitions. Word has length 68 [2021-12-07 01:07:05,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:07:05,601 INFO L470 AbstractCegarLoop]: Abstraction has 8542 states and 12636 transitions. [2021-12-07 01:07:05,601 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) [2021-12-07 01:07:05,601 INFO L276 IsEmpty]: Start isEmpty. Operand 8542 states and 12636 transitions. [2021-12-07 01:07:05,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-12-07 01:07:05,602 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:07:05,603 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] [2021-12-07 01:07:05,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-07 01:07:05,603 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-07 01:07:05,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:07:05,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1547969923, now seen corresponding path program 1 times [2021-12-07 01:07:05,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:07:05,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004240870] [2021-12-07 01:07:05,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:07:05,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:07:05,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:05,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-07 01:07:05,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:05,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-07 01:07:05,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:05,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-07 01:07:05,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:05,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:07:05,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:05,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-07 01:07:05,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:05,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-07 01:07:05,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:05,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-07 01:07:05,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:05,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-07 01:07:05,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:05,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-07 01:07:05,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:05,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-07 01:07:05,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:05,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-07 01:07:05,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:05,886 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-12-07 01:07:05,887 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:07:05,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004240870] [2021-12-07 01:07:05,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004240870] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:07:05,887 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:07:05,887 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 01:07:05,887 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423463874] [2021-12-07 01:07:05,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:07:05,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 01:07:05,888 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:07:05,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 01:07:05,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:07:05,888 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) [2021-12-07 01:07:06,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:07:06,296 INFO L93 Difference]: Finished difference Result 8599 states and 12693 transitions. [2021-12-07 01:07:06,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 01:07:06,297 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 [2021-12-07 01:07:06,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:07:06,330 INFO L225 Difference]: With dead ends: 8599 [2021-12-07 01:07:06,330 INFO L226 Difference]: Without dead ends: 8461 [2021-12-07 01:07:06,340 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-07 01:07:06,340 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 [2021-12-07 01:07:06,341 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] [2021-12-07 01:07:06,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8461 states. [2021-12-07 01:07:12,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8461 to 8459. [2021-12-07 01:07:12,199 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) [2021-12-07 01:07:12,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8459 states to 8459 states and 12509 transitions. [2021-12-07 01:07:12,230 INFO L78 Accepts]: Start accepts. Automaton has 8459 states and 12509 transitions. Word has length 73 [2021-12-07 01:07:12,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:07:12,231 INFO L470 AbstractCegarLoop]: Abstraction has 8459 states and 12509 transitions. [2021-12-07 01:07:12,231 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) [2021-12-07 01:07:12,231 INFO L276 IsEmpty]: Start isEmpty. Operand 8459 states and 12509 transitions. [2021-12-07 01:07:12,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-12-07 01:07:12,232 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:07:12,233 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] [2021-12-07 01:07:12,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-07 01:07:12,233 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-07 01:07:12,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:07:12,233 INFO L85 PathProgramCache]: Analyzing trace with hash 785700872, now seen corresponding path program 1 times [2021-12-07 01:07:12,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:07:12,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318575208] [2021-12-07 01:07:12,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:07:12,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:07:12,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:12,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-07 01:07:12,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:12,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-07 01:07:12,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:12,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-07 01:07:12,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:12,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:07:12,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:12,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-07 01:07:12,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:12,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-07 01:07:12,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:12,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-07 01:07:12,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:12,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-07 01:07:12,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:12,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:07:12,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:12,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:07:12,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:12,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 01:07:12,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:12,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-07 01:07:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:12,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-07 01:07:12,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:12,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:07:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:12,752 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-12-07 01:07:12,753 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:07:12,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318575208] [2021-12-07 01:07:12,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318575208] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:07:12,753 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:07:12,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:07:12,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350005399] [2021-12-07 01:07:12,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:07:12,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:07:12,754 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:07:12,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:07:12,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:07:12,754 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) [2021-12-07 01:07:17,383 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:07:22,998 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 01:07:25,145 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 01:07:27,288 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 01:07:30,450 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 01:07:32,591 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 01:07:35,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:07:35,759 INFO L93 Difference]: Finished difference Result 8510 states and 12582 transitions. [2021-12-07 01:07:35,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 01:07:35,760 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 [2021-12-07 01:07:35,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:07:35,790 INFO L225 Difference]: With dead ends: 8510 [2021-12-07 01:07:35,790 INFO L226 Difference]: Without dead ends: 8508 [2021-12-07 01:07:35,795 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-07 01:07:35,795 INFO L933 BasicCegarLoop]: 12290 mSDtfsCounter, 12320 mSDsluCounter, 32177 mSDsCounter, 0 mSdLazyCounter, 1455 mSolverCounterSat, 3765 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12613 SdHoareTripleChecker+Valid, 44467 SdHoareTripleChecker+Invalid, 5226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3765 IncrementalHoareTripleChecker+Valid, 1455 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.4s IncrementalHoareTripleChecker+Time [2021-12-07 01:07:35,796 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12613 Valid, 44467 Invalid, 5226 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3765 Valid, 1455 Invalid, 6 Unknown, 0 Unchecked, 22.4s Time] [2021-12-07 01:07:35,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8508 states. [2021-12-07 01:07:41,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8508 to 8463. [2021-12-07 01:07:41,378 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) [2021-12-07 01:07:41,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8463 states to 8463 states and 12512 transitions. [2021-12-07 01:07:41,410 INFO L78 Accepts]: Start accepts. Automaton has 8463 states and 12512 transitions. Word has length 100 [2021-12-07 01:07:41,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:07:41,410 INFO L470 AbstractCegarLoop]: Abstraction has 8463 states and 12512 transitions. [2021-12-07 01:07:41,410 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) [2021-12-07 01:07:41,411 INFO L276 IsEmpty]: Start isEmpty. Operand 8463 states and 12512 transitions. [2021-12-07 01:07:41,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-12-07 01:07:41,413 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:07:41,413 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] [2021-12-07 01:07:41,414 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-07 01:07:41,414 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)] === [2021-12-07 01:07:41,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:07:41,414 INFO L85 PathProgramCache]: Analyzing trace with hash -237746558, now seen corresponding path program 1 times [2021-12-07 01:07:41,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:07:41,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979566782] [2021-12-07 01:07:41,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:07:41,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:07:41,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:41,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-07 01:07:41,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:41,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-07 01:07:41,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:41,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-07 01:07:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:41,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:07:41,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:41,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-07 01:07:41,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:41,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-07 01:07:41,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:41,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-07 01:07:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:41,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-07 01:07:41,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:41,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:07:41,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:41,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:07:41,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:41,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 01:07:41,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:41,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-07 01:07:41,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:41,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-07 01:07:41,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:41,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:07:41,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:41,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-07 01:07:41,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:41,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:07:41,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:41,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-07 01:07:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:07:41,997 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-12-07 01:07:41,997 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:07:41,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979566782] [2021-12-07 01:07:41,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979566782] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:07:41,997 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:07:41,997 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-07 01:07:41,997 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27920023] [2021-12-07 01:07:41,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:07:41,998 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 01:07:41,998 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:07:41,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 01:07:41,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-07 01:07:41,998 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) [2021-12-07 01:07:48,601 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:07:52,459 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:08:05,976 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 01:08:08,119 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 01:08:13,597 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 01:08:15,715 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 01:08:17,887 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 01:08:20,005 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 01:10:32,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:10:32,708 INFO L93 Difference]: Finished difference Result 17019 states and 25174 transitions. [2021-12-07 01:10:32,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-07 01:10:32,709 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 [2021-12-07 01:10:32,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:10:32,743 INFO L225 Difference]: With dead ends: 17019 [2021-12-07 01:10:32,743 INFO L226 Difference]: Without dead ends: 8563 [2021-12-07 01:10:32,782 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:10:32,782 INFO L933 BasicCegarLoop]: 9126 mSDtfsCounter, 5482 mSDsluCounter, 14183 mSDsCounter, 0 mSdLazyCounter, 31973 mSolverCounterSat, 10772 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 155.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8485 SdHoareTripleChecker+Valid, 23309 SdHoareTripleChecker+Invalid, 42752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 10772 IncrementalHoareTripleChecker+Valid, 31973 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 168.7s IncrementalHoareTripleChecker+Time [2021-12-07 01:10:32,782 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8485 Valid, 23309 Invalid, 42752 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [10772 Valid, 31973 Invalid, 7 Unknown, 0 Unchecked, 168.7s Time] [2021-12-07 01:10:32,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8563 states. [2021-12-07 01:10:38,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8563 to 8465. [2021-12-07 01:10:38,739 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) [2021-12-07 01:10:38,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8465 states to 8465 states and 12514 transitions. [2021-12-07 01:10:38,769 INFO L78 Accepts]: Start accepts. Automaton has 8465 states and 12514 transitions. Word has length 118 [2021-12-07 01:10:38,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:10:38,770 INFO L470 AbstractCegarLoop]: Abstraction has 8465 states and 12514 transitions. [2021-12-07 01:10:38,770 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) [2021-12-07 01:10:38,770 INFO L276 IsEmpty]: Start isEmpty. Operand 8465 states and 12514 transitions. [2021-12-07 01:10:38,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-12-07 01:10:38,772 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:10:38,773 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] [2021-12-07 01:10:38,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-07 01:10:38,773 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)] === [2021-12-07 01:10:38,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:10:38,773 INFO L85 PathProgramCache]: Analyzing trace with hash 412504133, now seen corresponding path program 1 times [2021-12-07 01:10:38,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:10:38,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414837129] [2021-12-07 01:10:38,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:10:38,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:10:38,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:10:38,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-07 01:10:38,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:10:38,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-07 01:10:38,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:10:38,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-07 01:10:38,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:10:38,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:10:38,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:10:38,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-07 01:10:38,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:10:39,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-07 01:10:39,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:10:39,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-07 01:10:39,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:10:39,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-07 01:10:39,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:10:39,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:10:39,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:10:39,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:10:39,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:10:39,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 01:10:39,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:10:39,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-07 01:10:39,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:10:39,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-07 01:10:39,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:10:39,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:10:39,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:10:39,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-07 01:10:39,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:10:39,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:10:39,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:10:39,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-07 01:10:39,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:10:39,544 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-12-07 01:10:39,544 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:10:39,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414837129] [2021-12-07 01:10:39,544 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414837129] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:10:39,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2048791754] [2021-12-07 01:10:39,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:10:39,545 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:10:39,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76bf57a3-f0d3-4c1f-8351-400c0617ace4/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:10:39,546 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76bf57a3-f0d3-4c1f-8351-400c0617ace4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:10:39,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76bf57a3-f0d3-4c1f-8351-400c0617ace4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-07 01:10:40,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:10:40,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 3761 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-07 01:10:40,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:10:40,626 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-12-07 01:10:40,626 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 01:10:40,878 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-12-07 01:10:40,878 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2048791754] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-07 01:10:40,878 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-07 01:10:40,879 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8, 5] total 11 [2021-12-07 01:10:40,879 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199538646] [2021-12-07 01:10:40,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:10:40,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 01:10:40,879 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:10:40,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 01:10:40,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-12-07 01:10:40,880 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) [2021-12-07 01:10:41,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:10:41,362 INFO L93 Difference]: Finished difference Result 16913 states and 25015 transitions. [2021-12-07 01:10:41,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 01:10:41,363 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 [2021-12-07 01:10:41,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:10:41,400 INFO L225 Difference]: With dead ends: 16913 [2021-12-07 01:10:41,400 INFO L226 Difference]: Without dead ends: 8467 [2021-12-07 01:10:41,432 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 264 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-12-07 01:10:41,433 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, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:10:41,433 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 37095 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-07 01:10:41,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8467 states. [2021-12-07 01:10:47,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8467 to 8467. [2021-12-07 01:10:47,405 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) [2021-12-07 01:10:47,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8467 states to 8467 states and 12516 transitions. [2021-12-07 01:10:47,435 INFO L78 Accepts]: Start accepts. Automaton has 8467 states and 12516 transitions. Word has length 119 [2021-12-07 01:10:47,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:10:47,435 INFO L470 AbstractCegarLoop]: Abstraction has 8467 states and 12516 transitions. [2021-12-07 01:10:47,435 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) [2021-12-07 01:10:47,436 INFO L276 IsEmpty]: Start isEmpty. Operand 8467 states and 12516 transitions. [2021-12-07 01:10:47,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-12-07 01:10:47,438 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:10:47,438 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] [2021-12-07 01:10:47,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76bf57a3-f0d3-4c1f-8351-400c0617ace4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-07 01:10:47,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76bf57a3-f0d3-4c1f-8351-400c0617ace4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:10:47,640 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)] === [2021-12-07 01:10:47,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:10:47,641 INFO L85 PathProgramCache]: Analyzing trace with hash 755733668, now seen corresponding path program 1 times [2021-12-07 01:10:47,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:10:47,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297093906] [2021-12-07 01:10:47,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:10:47,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:10:47,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:10:47,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-07 01:10:47,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:10:47,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-07 01:10:47,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:10:47,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-07 01:10:47,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:10:47,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:10:47,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:10:47,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-07 01:10:47,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:10:47,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-07 01:10:47,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:10:47,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-07 01:10:47,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:10:47,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-07 01:10:47,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:10:47,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:10:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:10:47,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:10:47,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:10:47,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 01:10:47,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:10:47,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-07 01:10:47,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:10:47,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-07 01:10:47,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:10:47,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:10:47,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:10:47,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-07 01:10:47,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:10:47,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:10:47,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:10:48,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-07 01:10:48,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:10:48,282 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-12-07 01:10:48,283 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:10:48,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297093906] [2021-12-07 01:10:48,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297093906] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:10:48,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050595625] [2021-12-07 01:10:48,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:10:48,283 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:10:48,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76bf57a3-f0d3-4c1f-8351-400c0617ace4/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:10:48,285 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76bf57a3-f0d3-4c1f-8351-400c0617ace4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:10:48,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76bf57a3-f0d3-4c1f-8351-400c0617ace4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-07 01:10:48,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:10:49,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 3780 conjuncts, 50 conjunts are in the unsatisfiable core [2021-12-07 01:10:49,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:10:50,562 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 39 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-12-07 01:10:50,563 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 01:10:51,561 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-12-07 01:10:51,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2050595625] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 01:10:51,561 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 01:10:51,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 15, 15] total 24 [2021-12-07 01:10:51,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789507599] [2021-12-07 01:10:51,562 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 01:10:51,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-12-07 01:10:51,563 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:10:51,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-12-07 01:10:51,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=503, Unknown=0, NotChecked=0, Total=552 [2021-12-07 01:10:51,563 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) [2021-12-07 01:11:15,863 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:11:23,955 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:11:25,738 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:11:26,930 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:11:31,872 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:11:33,647 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:11:36,618 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:11:38,651 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:11:46,799 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:11:48,659 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:12:11,800 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 01:12:43,249 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 01:12:45,720 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-12-07 01:12:51,805 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 01:12:53,952 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 01:12:56,111 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 01:12:59,119 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 01:13:01,264 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 01:13:03,410 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 01:13:05,562 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 01:13:07,715 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 01:13:09,867 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 01:13:12,014 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 01:13:14,971 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 01:13:17,094 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 01:13:19,604 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 01:13:21,760 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers []