./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 e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25d0845-9005-4644-bc20-49168b8f736c/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25d0845-9005-4644-bc20-49168b8f736c/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25d0845-9005-4644-bc20-49168b8f736c/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25d0845-9005-4644-bc20-49168b8f736c/bin/uautomizer-tPACEb0tL8/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_c25d0845-9005-4644-bc20-49168b8f736c/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25d0845-9005-4644-bc20-49168b8f736c/bin/uautomizer-tPACEb0tL8 --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:09:28,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:09:28,376 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:09:28,421 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:09:28,422 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:09:28,426 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:09:28,429 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:09:28,433 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:09:28,435 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:09:28,441 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:09:28,443 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:09:28,445 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:09:28,446 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:09:28,448 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:09:28,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:09:28,452 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:09:28,454 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:09:28,455 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:09:28,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:09:28,467 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:09:28,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:09:28,471 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:09:28,474 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:09:28,475 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:09:28,484 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:09:28,484 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:09:28,485 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:09:28,487 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:09:28,487 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:09:28,488 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:09:28,489 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:09:28,490 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:09:28,492 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:09:28,494 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:09:28,496 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:09:28,497 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:09:28,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:09:28,498 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:09:28,498 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:09:28,499 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:09:28,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:09:28,501 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25d0845-9005-4644-bc20-49168b8f736c/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 11:09:28,543 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:09:28,543 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:09:28,544 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:09:28,544 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:09:28,545 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:09:28,546 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:09:28,546 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:09:28,547 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:09:28,547 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:09:28,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:09:28,548 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:09:28,549 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:09:28,549 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:09:28,549 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:09:28,549 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:09:28,550 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:09:28,550 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:09:28,550 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:09:28,550 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:09:28,551 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:09:28,551 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:09:28,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:09:28,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:09:28,552 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:09:28,552 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:09:28,552 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:09:28,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:09:28,554 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:09:28,554 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:09:28,554 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:09:28,555 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_c25d0845-9005-4644-bc20-49168b8f736c/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25d0845-9005-4644-bc20-49168b8f736c/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a4efb80f78cf6db9ac1c2540f0e3afbb357842376bf73c44e7e4fa9311ea9dc [2022-11-16 11:09:28,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:09:28,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:09:28,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:09:28,830 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:09:28,831 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:09:28,832 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25d0845-9005-4644-bc20-49168b8f736c/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i [2022-11-16 11:09:28,921 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25d0845-9005-4644-bc20-49168b8f736c/bin/uautomizer-tPACEb0tL8/data/a82e87a3f/aa39ccaf5c0b41f883d367ff449ea311/FLAG5f980399e [2022-11-16 11:09:30,005 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:09:30,006 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25d0845-9005-4644-bc20-49168b8f736c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i [2022-11-16 11:09:30,072 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25d0845-9005-4644-bc20-49168b8f736c/bin/uautomizer-tPACEb0tL8/data/a82e87a3f/aa39ccaf5c0b41f883d367ff449ea311/FLAG5f980399e [2022-11-16 11:09:30,327 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25d0845-9005-4644-bc20-49168b8f736c/bin/uautomizer-tPACEb0tL8/data/a82e87a3f/aa39ccaf5c0b41f883d367ff449ea311 [2022-11-16 11:09:30,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:09:30,331 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:09:30,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:09:30,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:09:30,336 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:09:30,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:09:30" (1/1) ... [2022-11-16 11:09:30,338 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@397e2540 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:30, skipping insertion in model container [2022-11-16 11:09:30,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:09:30" (1/1) ... [2022-11-16 11:09:30,346 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:09:30,526 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:09:34,047 WARN L229 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_c25d0845-9005-4644-bc20-49168b8f736c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[508948,508961] [2022-11-16 11:09:34,050 WARN L229 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_c25d0845-9005-4644-bc20-49168b8f736c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509114,509127] [2022-11-16 11:09:34,050 WARN L229 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_c25d0845-9005-4644-bc20-49168b8f736c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509278,509291] [2022-11-16 11:09:34,050 WARN L229 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_c25d0845-9005-4644-bc20-49168b8f736c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509443,509456] [2022-11-16 11:09:34,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:09:34,095 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:09:34,872 WARN L229 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_c25d0845-9005-4644-bc20-49168b8f736c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[508948,508961] [2022-11-16 11:09:34,873 WARN L229 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_c25d0845-9005-4644-bc20-49168b8f736c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509114,509127] [2022-11-16 11:09:34,873 WARN L229 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_c25d0845-9005-4644-bc20-49168b8f736c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509278,509291] [2022-11-16 11:09:34,874 WARN L229 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_c25d0845-9005-4644-bc20-49168b8f736c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509443,509456] [2022-11-16 11:09:34,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:09:35,106 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:09:35,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:35 WrapperNode [2022-11-16 11:09:35,107 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:09:35,108 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:09:35,108 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:09:35,109 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:09:35,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:35" (1/1) ... [2022-11-16 11:09:35,329 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:35" (1/1) ... [2022-11-16 11:09:35,871 INFO L138 Inliner]: procedures = 370, calls = 6260, calls flagged for inlining = 171, calls inlined = 146, statements flattened = 16902 [2022-11-16 11:09:35,872 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:09:35,873 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:09:35,873 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:09:35,873 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:09:35,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:35" (1/1) ... [2022-11-16 11:09:35,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:35" (1/1) ... [2022-11-16 11:09:35,959 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:35" (1/1) ... [2022-11-16 11:09:35,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:35" (1/1) ... [2022-11-16 11:09:36,200 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:35" (1/1) ... [2022-11-16 11:09:36,251 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:35" (1/1) ... [2022-11-16 11:09:36,298 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:35" (1/1) ... [2022-11-16 11:09:36,345 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:35" (1/1) ... [2022-11-16 11:09:36,605 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:09:36,615 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:09:36,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:09:36,617 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:09:36,618 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:35" (1/1) ... [2022-11-16 11:09:36,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:09:36,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25d0845-9005-4644-bc20-49168b8f736c/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:09:36,656 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25d0845-9005-4644-bc20-49168b8f736c/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:09:36,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25d0845-9005-4644-bc20-49168b8f736c/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:09:36,708 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-16 11:09:36,708 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-16 11:09:36,708 INFO L130 BoogieDeclarations]: Found specification of procedure to_sd [2022-11-16 11:09:36,708 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sd [2022-11-16 11:09:36,708 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_tuner [2022-11-16 11:09:36,709 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_tuner [2022-11-16 11:09:36,709 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ctrl [2022-11-16 11:09:36,709 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ctrl [2022-11-16 11:09:36,709 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_s_parameters [2022-11-16 11:09:36,709 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_s_parameters [2022-11-16 11:09:36,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-16 11:09:36,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-16 11:09:36,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-16 11:09:36,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-16 11:09:36,710 INFO L130 BoogieDeclarations]: Found specification of procedure input_change [2022-11-16 11:09:36,710 INFO L138 BoogieDeclarations]: Found implementation of procedure input_change [2022-11-16 11:09:36,710 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_g_parameters [2022-11-16 11:09:36,710 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_g_parameters [2022-11-16 11:09:36,711 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_querymenu [2022-11-16 11:09:36,711 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_querymenu [2022-11-16 11:09:36,711 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-16 11:09:36,711 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-16 11:09:36,711 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_probe [2022-11-16 11:09:36,711 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_probe [2022-11-16 11:09:36,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-16 11:09:36,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-16 11:09:36,712 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-11-16 11:09:36,712 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-11-16 11:09:36,712 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_shutdown [2022-11-16 11:09:36,712 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_shutdown [2022-11-16 11:09:36,712 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx2388x [2022-11-16 11:09:36,712 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx2388x [2022-11-16 11:09:36,712 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_tuner [2022-11-16 11:09:36,713 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_tuner [2022-11-16 11:09:36,713 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx2583x [2022-11-16 11:09:36,713 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx2583x [2022-11-16 11:09:36,713 INFO L130 BoogieDeclarations]: Found specification of procedure to_ir_state [2022-11-16 11:09:36,713 INFO L138 BoogieDeclarations]: Found implementation of procedure to_ir_state [2022-11-16 11:09:36,713 INFO L130 BoogieDeclarations]: Found specification of procedure control_tx_enable [2022-11-16 11:09:36,714 INFO L138 BoogieDeclarations]: Found implementation of procedure control_tx_enable [2022-11-16 11:09:36,714 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_width_count_to_ns [2022-11-16 11:09:36,714 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_width_count_to_ns [2022-11-16 11:09:36,714 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-16 11:09:36,714 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-16 11:09:36,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-16 11:09:36,715 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-16 11:09:36,715 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_freq_to_clock_divider [2022-11-16 11:09:36,715 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_freq_to_clock_divider [2022-11-16 11:09:36,715 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_demodulation_enable [2022-11-16 11:09:36,716 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_demodulation_enable [2022-11-16 11:09:36,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-11-16 11:09:36,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-11-16 11:09:36,717 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-16 11:09:36,717 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-16 11:09:36,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:09:36,717 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-16 11:09:36,718 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-16 11:09:36,718 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_write [2022-11-16 11:09:36,718 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_write [2022-11-16 11:09:36,718 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2022-11-16 11:09:36,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2022-11-16 11:09:36,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 11:09:36,719 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_mbus_fmt [2022-11-16 11:09:36,719 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_mbus_fmt [2022-11-16 11:09:36,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-16 11:09:36,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-16 11:09:36,719 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2022-11-16 11:09:36,720 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2022-11-16 11:09:36,720 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2022-11-16 11:09:36,720 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2022-11-16 11:09:36,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-16 11:09:36,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-16 11:09:36,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-11-16 11:09:36,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-11-16 11:09:36,721 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-16 11:09:36,721 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-16 11:09:36,721 INFO L130 BoogieDeclarations]: Found specification of procedure set_volume [2022-11-16 11:09:36,721 INFO L138 BoogieDeclarations]: Found implementation of procedure set_volume [2022-11-16 11:09:36,722 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_sliced_fmt [2022-11-16 11:09:36,722 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_sliced_fmt [2022-11-16 11:09:36,722 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_initialize [2022-11-16 11:09:36,722 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_initialize [2022-11-16 11:09:36,722 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ext_ctrls [2022-11-16 11:09:36,723 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ext_ctrls [2022-11-16 11:09:36,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:09:36,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 11:09:36,723 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-16 11:09:36,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-16 11:09:36,724 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-16 11:09:36,724 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-16 11:09:36,724 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2022-11-16 11:09:36,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2022-11-16 11:09:36,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-16 11:09:36,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-16 11:09:36,725 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_resolution [2022-11-16 11:09:36,725 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_resolution [2022-11-16 11:09:36,725 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-16 11:09:36,726 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-16 11:09:36,726 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_try_ext_ctrls [2022-11-16 11:09:36,726 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_try_ext_ctrls [2022-11-16 11:09:36,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_rx_params_lock_of_cx25840_ir_state [2022-11-16 11:09:36,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_rx_params_lock_of_cx25840_ir_state [2022-11-16 11:09:36,726 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-16 11:09:36,726 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-16 11:09:36,727 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata___0 [2022-11-16 11:09:36,727 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata___0 [2022-11-16 11:09:36,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-16 11:09:36,727 INFO L130 BoogieDeclarations]: Found specification of procedure cx25836_initialize [2022-11-16 11:09:36,727 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25836_initialize [2022-11-16 11:09:36,727 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_write4 [2022-11-16 11:09:36,727 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_write4 [2022-11-16 11:09:36,728 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ext_ctrls [2022-11-16 11:09:36,728 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ext_ctrls [2022-11-16 11:09:36,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-16 11:09:36,728 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_frequency [2022-11-16 11:09:36,728 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_frequency [2022-11-16 11:09:36,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-16 11:09:36,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-16 11:09:36,728 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_std_setup [2022-11-16 11:09:36,728 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_std_setup [2022-11-16 11:09:36,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:09:36,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-16 11:09:36,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-16 11:09:36,729 INFO L130 BoogieDeclarations]: Found specification of procedure irqenable_tx [2022-11-16 11:09:36,729 INFO L138 BoogieDeclarations]: Found implementation of procedure irqenable_tx [2022-11-16 11:09:36,729 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2022-11-16 11:09:36,729 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2022-11-16 11:09:36,729 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_queryctrl [2022-11-16 11:09:36,729 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_queryctrl [2022-11-16 11:09:36,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-16 11:09:36,729 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-16 11:09:36,730 INFO L130 BoogieDeclarations]: Found specification of procedure control_tx_modulation_enable [2022-11-16 11:09:36,730 INFO L138 BoogieDeclarations]: Found implementation of procedure control_tx_modulation_enable [2022-11-16 11:09:36,730 INFO L130 BoogieDeclarations]: Found specification of procedure cx23885_initialize [2022-11-16 11:09:36,730 INFO L138 BoogieDeclarations]: Found implementation of procedure cx23885_initialize [2022-11-16 11:09:36,730 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_raw_fmt [2022-11-16 11:09:36,730 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_raw_fmt [2022-11-16 11:09:36,730 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_freq [2022-11-16 11:09:36,730 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_freq [2022-11-16 11:09:36,730 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_std [2022-11-16 11:09:36,731 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_std [2022-11-16 11:09:36,731 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_and_or [2022-11-16 11:09:36,731 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_and_or [2022-11-16 11:09:36,731 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ctrl [2022-11-16 11:09:36,731 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ctrl [2022-11-16 11:09:36,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-16 11:09:36,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-16 11:09:36,731 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_s_parameters [2022-11-16 11:09:36,731 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_s_parameters [2022-11-16 11:09:36,731 INFO L130 BoogieDeclarations]: Found specification of procedure to_state [2022-11-16 11:09:36,732 INFO L138 BoogieDeclarations]: Found implementation of procedure to_state [2022-11-16 11:09:36,732 INFO L130 BoogieDeclarations]: Found specification of procedure set_audclk_freq [2022-11-16 11:09:36,732 INFO L138 BoogieDeclarations]: Found implementation of procedure set_audclk_freq [2022-11-16 11:09:36,732 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_register [2022-11-16 11:09:36,732 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_register [2022-11-16 11:09:36,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:09:36,732 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_register [2022-11-16 11:09:36,732 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_register [2022-11-16 11:09:36,732 INFO L130 BoogieDeclarations]: Found specification of procedure set_input [2022-11-16 11:09:36,733 INFO L138 BoogieDeclarations]: Found implementation of procedure set_input [2022-11-16 11:09:36,733 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_g_parameters [2022-11-16 11:09:36,733 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_g_parameters [2022-11-16 11:09:36,733 INFO L130 BoogieDeclarations]: Found specification of procedure cx23888_std_setup [2022-11-16 11:09:36,733 INFO L138 BoogieDeclarations]: Found implementation of procedure cx23888_std_setup [2022-11-16 11:09:36,733 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_initialize [2022-11-16 11:09:36,733 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_initialize [2022-11-16 11:09:36,733 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-11-16 11:09:36,733 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-11-16 11:09:36,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tx_params_lock_of_cx25840_ir_state [2022-11-16 11:09:36,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tx_params_lock_of_cx25840_ir_state [2022-11-16 11:09:36,734 INFO L130 BoogieDeclarations]: Found specification of procedure irqenable_rx [2022-11-16 11:09:36,734 INFO L138 BoogieDeclarations]: Found implementation of procedure irqenable_rx [2022-11-16 11:09:36,734 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_and_or4 [2022-11-16 11:09:36,735 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_and_or4 [2022-11-16 11:09:36,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_tx_params_lock_of_cx25840_ir_state [2022-11-16 11:09:36,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_tx_params_lock_of_cx25840_ir_state [2022-11-16 11:09:36,735 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_input_status [2022-11-16 11:09:36,735 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_input_status [2022-11-16 11:09:36,735 INFO L130 BoogieDeclarations]: Found specification of procedure lpf_count_to_ns [2022-11-16 11:09:36,735 INFO L138 BoogieDeclarations]: Found implementation of procedure lpf_count_to_ns [2022-11-16 11:09:36,735 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_set_audclk_freq [2022-11-16 11:09:36,735 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_set_audclk_freq [2022-11-16 11:09:36,736 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_read [2022-11-16 11:09:36,736 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_read [2022-11-16 11:09:36,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 11:09:36,736 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_width_count_to_us [2022-11-16 11:09:36,736 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_width_count_to_us [2022-11-16 11:09:36,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:09:36,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-16 11:09:36,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-16 11:09:36,736 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-16 11:09:36,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-16 11:09:36,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 11:09:36,737 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-16 11:09:36,737 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_sliced_fmt [2022-11-16 11:09:36,737 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_sliced_fmt [2022-11-16 11:09:36,737 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2022-11-16 11:09:36,737 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send [2022-11-16 11:09:36,737 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2022-11-16 11:09:36,737 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2022-11-16 11:09:36,738 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_decode_vbi_line [2022-11-16 11:09:36,738 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_decode_vbi_line [2022-11-16 11:09:36,738 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_adapter_id [2022-11-16 11:09:36,738 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_adapter_id [2022-11-16 11:09:36,738 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_carrier_freq [2022-11-16 11:09:36,738 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_carrier_freq [2022-11-16 11:09:36,738 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_clocks_to_clock_divider [2022-11-16 11:09:36,738 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_clocks_to_clock_divider [2022-11-16 11:09:36,739 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx231xx [2022-11-16 11:09:36,739 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx231xx [2022-11-16 11:09:36,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-16 11:09:36,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-16 11:09:36,739 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_s_edge_detection [2022-11-16 11:09:36,739 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_s_edge_detection [2022-11-16 11:09:36,739 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2022-11-16 11:09:36,739 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2022-11-16 11:09:36,739 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_probe [2022-11-16 11:09:36,740 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_probe [2022-11-16 11:09:36,740 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-16 11:09:36,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-16 11:09:36,740 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-11-16 11:09:36,740 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-11-16 11:09:36,740 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_read4 [2022-11-16 11:09:36,740 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_read4 [2022-11-16 11:09:36,740 INFO L130 BoogieDeclarations]: Found specification of procedure odd_parity [2022-11-16 11:09:36,740 INFO L138 BoogieDeclarations]: Found implementation of procedure odd_parity [2022-11-16 11:09:36,741 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-16 11:09:36,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-16 11:09:36,741 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_enable [2022-11-16 11:09:36,741 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_enable [2022-11-16 11:09:36,741 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-16 11:09:36,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-16 11:09:36,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_rx_params_lock_of_cx25840_ir_state [2022-11-16 11:09:36,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_rx_params_lock_of_cx25840_ir_state [2022-11-16 11:09:36,741 INFO L130 BoogieDeclarations]: Found specification of procedure filter_rx_s_min_width [2022-11-16 11:09:36,742 INFO L138 BoogieDeclarations]: Found implementation of procedure filter_rx_s_min_width [2022-11-16 11:09:36,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:09:36,742 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_shutdown [2022-11-16 11:09:36,742 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_shutdown [2022-11-16 11:09:36,742 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-11-16 11:09:36,742 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-11-16 11:09:36,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-16 11:09:36,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-16 11:09:36,742 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-16 11:09:36,743 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-16 11:09:36,743 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23885 [2022-11-16 11:09:36,743 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23885 [2022-11-16 11:09:36,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:09:36,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:09:36,743 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_pulse_clocks [2022-11-16 11:09:36,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_pulse_clocks [2022-11-16 11:09:36,743 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23888 [2022-11-16 11:09:36,743 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23888 [2022-11-16 11:09:36,743 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23887 [2022-11-16 11:09:36,743 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23887 [2022-11-16 11:09:38,304 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:09:38,312 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:09:41,092 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-16 11:10:56,742 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:10:56,785 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:10:56,785 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-11-16 11:10:56,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:10:56 BoogieIcfgContainer [2022-11-16 11:10:56,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:10:56,798 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:10:56,798 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:10:56,802 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:10:56,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:09:30" (1/3) ... [2022-11-16 11:10:56,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e9dfab3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:10:56, skipping insertion in model container [2022-11-16 11:10:56,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:35" (2/3) ... [2022-11-16 11:10:56,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e9dfab3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:10:56, skipping insertion in model container [2022-11-16 11:10:56,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:10:56" (3/3) ... [2022-11-16 11:10:56,806 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i [2022-11-16 11:10:56,826 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:10:56,826 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-16 11:10:57,019 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:10:57,026 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@726260b9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:10:57,026 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-16 11:10:57,054 INFO L276 IsEmpty]: Start isEmpty. Operand has 8563 states, 4960 states have (on average 1.1806451612903226) internal successors, (5856), 4987 states have internal predecessors, (5856), 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) [2022-11-16 11:10:57,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-16 11:10:57,064 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:10:57,065 INFO L195 NwaCegarLoop]: 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] [2022-11-16 11:10:57,065 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-16 11:10:57,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:10:57,070 INFO L85 PathProgramCache]: Analyzing trace with hash -56669659, now seen corresponding path program 1 times [2022-11-16 11:10:57,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:10:57,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61652903] [2022-11-16 11:10:57,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:10:57,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:10:57,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:58,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 11:10:58,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:58,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:10:58,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:58,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 11:10:58,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:59,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:10:59,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:59,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:10:59,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:59,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-16 11:10:59,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:59,080 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-16 11:10:59,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:10:59,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61652903] [2022-11-16 11:10:59,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61652903] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:10:59,086 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:10:59,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:10:59,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726732469] [2022-11-16 11:10:59,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:10:59,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:10:59,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:10:59,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:10:59,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:10:59,167 INFO L87 Difference]: Start difference. First operand has 8563 states, 4960 states have (on average 1.1806451612903226) internal successors, (5856), 4987 states have internal predecessors, (5856), 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) [2022-11-16 11:11:00,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:11:00,421 INFO L93 Difference]: Finished difference Result 17102 states and 25667 transitions. [2022-11-16 11:11:00,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:11:00,425 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 [2022-11-16 11:11:00,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:11:00,540 INFO L225 Difference]: With dead ends: 17102 [2022-11-16 11:11:00,540 INFO L226 Difference]: Without dead ends: 8555 [2022-11-16 11:11:00,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:11:00,623 INFO L413 NwaCegarLoop]: 12782 mSDtfsCounter, 12767 mSDsluCounter, 25557 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12773 SdHoareTripleChecker+Valid, 38339 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:11:00,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12773 Valid, 38339 Invalid, 15 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:11:00,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8555 states. [2022-11-16 11:11:05,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8555 to 8555. [2022-11-16 11:11:05,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8555 states, 4956 states have (on average 1.1751412429378532) internal successors, (5824), 4982 states have internal predecessors, (5824), 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) [2022-11-16 11:11:05,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8555 states to 8555 states and 12777 transitions. [2022-11-16 11:11:05,209 INFO L78 Accepts]: Start accepts. Automaton has 8555 states and 12777 transitions. Word has length 48 [2022-11-16 11:11:05,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:11:05,210 INFO L495 AbstractCegarLoop]: Abstraction has 8555 states and 12777 transitions. [2022-11-16 11:11:05,212 INFO L496 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) [2022-11-16 11:11:05,212 INFO L276 IsEmpty]: Start isEmpty. Operand 8555 states and 12777 transitions. [2022-11-16 11:11:05,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-16 11:11:05,217 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:11:05,217 INFO L195 NwaCegarLoop]: 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] [2022-11-16 11:11:05,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:11:05,218 INFO L420 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)] === [2022-11-16 11:11:05,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:11:05,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1286984227, now seen corresponding path program 1 times [2022-11-16 11:11:05,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:11:05,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626025486] [2022-11-16 11:11:05,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:11:05,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:11:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:06,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 11:11:06,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:06,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:11:06,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:06,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 11:11:06,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:06,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:11:06,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:06,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:11:06,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:06,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-16 11:11:06,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:06,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:11:06,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:06,332 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-16 11:11:06,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:11:06,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626025486] [2022-11-16 11:11:06,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626025486] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:11:06,334 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:11:06,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:11:06,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574950226] [2022-11-16 11:11:06,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:11:06,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:11:06,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:11:06,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:11:06,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:11:06,432 INFO L87 Difference]: Start difference. First operand 8555 states and 12777 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) [2022-11-16 11:11:07,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:11:07,450 INFO L93 Difference]: Finished difference Result 8561 states and 12782 transitions. [2022-11-16 11:11:07,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:11:07,452 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 [2022-11-16 11:11:07,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:11:07,544 INFO L225 Difference]: With dead ends: 8561 [2022-11-16 11:11:07,550 INFO L226 Difference]: Without dead ends: 8559 [2022-11-16 11:11:07,562 INFO L412 NwaCegarLoop]: 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 [2022-11-16 11:11:07,563 INFO L413 NwaCegarLoop]: 12774 mSDtfsCounter, 12752 mSDsluCounter, 25535 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12756 SdHoareTripleChecker+Valid, 38309 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:11:07,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12756 Valid, 38309 Invalid, 15 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:11:07,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8559 states. [2022-11-16 11:11:12,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8559 to 8559. [2022-11-16 11:11:12,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8559 states, 4959 states have (on average 1.1750352893728575) internal successors, (5827), 4985 states have internal predecessors, (5827), 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) [2022-11-16 11:11:12,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8559 states to 8559 states and 12780 transitions. [2022-11-16 11:11:12,672 INFO L78 Accepts]: Start accepts. Automaton has 8559 states and 12780 transitions. Word has length 53 [2022-11-16 11:11:12,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:11:12,673 INFO L495 AbstractCegarLoop]: Abstraction has 8559 states and 12780 transitions. [2022-11-16 11:11:12,673 INFO L496 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) [2022-11-16 11:11:12,674 INFO L276 IsEmpty]: Start isEmpty. Operand 8559 states and 12780 transitions. [2022-11-16 11:11:12,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-16 11:11:12,683 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:11:12,684 INFO L195 NwaCegarLoop]: 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] [2022-11-16 11:11:12,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:11:12,684 INFO L420 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)] === [2022-11-16 11:11:12,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:11:12,684 INFO L85 PathProgramCache]: Analyzing trace with hash 755889381, now seen corresponding path program 1 times [2022-11-16 11:11:12,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:11:12,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163338036] [2022-11-16 11:11:12,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:11:12,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:11:12,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:13,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 11:11:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:13,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:11:13,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:13,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 11:11:13,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:13,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:11:13,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:13,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:11:13,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:13,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-16 11:11:13,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:13,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:11:13,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:13,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-16 11:11:13,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:13,855 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-16 11:11:13,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:11:13,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163338036] [2022-11-16 11:11:13,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163338036] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:11:13,857 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:11:13,857 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:11:13,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566651615] [2022-11-16 11:11:13,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:11:13,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:11:13,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:11:13,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:11:13,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:11:13,863 INFO L87 Difference]: Start difference. First operand 8559 states and 12780 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) [2022-11-16 11:11:14,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:11:14,772 INFO L93 Difference]: Finished difference Result 8565 states and 12785 transitions. [2022-11-16 11:11:14,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:11:14,779 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 [2022-11-16 11:11:14,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:11:14,876 INFO L225 Difference]: With dead ends: 8565 [2022-11-16 11:11:14,877 INFO L226 Difference]: Without dead ends: 8563 [2022-11-16 11:11:14,890 INFO L412 NwaCegarLoop]: 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 [2022-11-16 11:11:14,896 INFO L413 NwaCegarLoop]: 12774 mSDtfsCounter, 12752 mSDsluCounter, 25535 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12755 SdHoareTripleChecker+Valid, 38309 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:11:14,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12755 Valid, 38309 Invalid, 15 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:11:14,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8563 states. [2022-11-16 11:11:19,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8563 to 8563. [2022-11-16 11:11:19,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8563 states, 4962 states have (on average 1.1749294639258363) internal successors, (5830), 4988 states have internal predecessors, (5830), 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) [2022-11-16 11:11:19,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8563 states to 8563 states and 12783 transitions. [2022-11-16 11:11:19,343 INFO L78 Accepts]: Start accepts. Automaton has 8563 states and 12783 transitions. Word has length 58 [2022-11-16 11:11:19,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:11:19,344 INFO L495 AbstractCegarLoop]: Abstraction has 8563 states and 12783 transitions. [2022-11-16 11:11:19,344 INFO L496 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) [2022-11-16 11:11:19,344 INFO L276 IsEmpty]: Start isEmpty. Operand 8563 states and 12783 transitions. [2022-11-16 11:11:19,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-16 11:11:19,348 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:11:19,348 INFO L195 NwaCegarLoop]: 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] [2022-11-16 11:11:19,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:11:19,349 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-16 11:11:19,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:11:19,349 INFO L85 PathProgramCache]: Analyzing trace with hash -323925569, now seen corresponding path program 1 times [2022-11-16 11:11:19,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:11:19,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606107591] [2022-11-16 11:11:19,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:11:19,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:11:19,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:20,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 11:11:20,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:20,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:11:20,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:20,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 11:11:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:20,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:11:20,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:20,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:11:20,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:20,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-16 11:11:20,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:20,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-16 11:11:20,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:20,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-16 11:11:20,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:20,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-16 11:11:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:20,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-16 11:11:20,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:20,451 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-16 11:11:20,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:11:20,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606107591] [2022-11-16 11:11:20,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606107591] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:11:20,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:11:20,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:11:20,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153335983] [2022-11-16 11:11:20,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:11:20,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:11:20,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:11:20,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:11:20,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:11:20,454 INFO L87 Difference]: Start difference. First operand 8563 states and 12783 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) [2022-11-16 11:11:21,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:11:21,270 INFO L93 Difference]: Finished difference Result 8569 states and 12788 transitions. [2022-11-16 11:11:21,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:11:21,271 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 [2022-11-16 11:11:21,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:11:21,345 INFO L225 Difference]: With dead ends: 8569 [2022-11-16 11:11:21,346 INFO L226 Difference]: Without dead ends: 8567 [2022-11-16 11:11:21,359 INFO L412 NwaCegarLoop]: 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 [2022-11-16 11:11:21,362 INFO L413 NwaCegarLoop]: 12774 mSDtfsCounter, 12745 mSDsluCounter, 25535 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12747 SdHoareTripleChecker+Valid, 38309 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 [2022-11-16 11:11:21,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12747 Valid, 38309 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:11:21,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8567 states. [2022-11-16 11:11:26,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8567 to 8567. [2022-11-16 11:11:26,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8567 states, 4965 states have (on average 1.1748237663645518) internal successors, (5833), 4991 states have internal predecessors, (5833), 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) [2022-11-16 11:11:26,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8567 states to 8567 states and 12786 transitions. [2022-11-16 11:11:26,826 INFO L78 Accepts]: Start accepts. Automaton has 8567 states and 12786 transitions. Word has length 73 [2022-11-16 11:11:26,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:11:26,829 INFO L495 AbstractCegarLoop]: Abstraction has 8567 states and 12786 transitions. [2022-11-16 11:11:26,829 INFO L496 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) [2022-11-16 11:11:26,829 INFO L276 IsEmpty]: Start isEmpty. Operand 8567 states and 12786 transitions. [2022-11-16 11:11:26,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-16 11:11:26,831 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:11:26,832 INFO L195 NwaCegarLoop]: 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] [2022-11-16 11:11:26,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:11:26,832 INFO L420 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)] === [2022-11-16 11:11:26,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:11:26,833 INFO L85 PathProgramCache]: Analyzing trace with hash -660086875, now seen corresponding path program 1 times [2022-11-16 11:11:26,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:11:26,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783357650] [2022-11-16 11:11:26,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:11:26,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:11:26,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:27,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 11:11:27,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:28,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:11:28,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:28,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 11:11:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:28,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:11:28,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:28,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:11:28,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:28,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-16 11:11:28,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:28,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:11:28,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:28,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-16 11:11:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:28,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-16 11:11:28,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:28,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-16 11:11:28,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:28,174 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-11-16 11:11:28,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:11:28,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783357650] [2022-11-16 11:11:28,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783357650] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:11:28,175 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:11:28,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:11:28,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273005041] [2022-11-16 11:11:28,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:11:28,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:11:28,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:11:28,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:11:28,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:11:28,180 INFO L87 Difference]: Start difference. First operand 8567 states and 12786 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) [2022-11-16 11:11:29,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:11:29,023 INFO L93 Difference]: Finished difference Result 8662 states and 12872 transitions. [2022-11-16 11:11:29,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:11:29,023 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 [2022-11-16 11:11:29,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:11:29,078 INFO L225 Difference]: With dead ends: 8662 [2022-11-16 11:11:29,078 INFO L226 Difference]: Without dead ends: 8658 [2022-11-16 11:11:29,091 INFO L412 NwaCegarLoop]: 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 [2022-11-16 11:11:29,094 INFO L413 NwaCegarLoop]: 12791 mSDtfsCounter, 12568 mSDsluCounter, 25832 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12569 SdHoareTripleChecker+Valid, 38623 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 [2022-11-16 11:11:29,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12569 Valid, 38623 Invalid, 17 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:11:29,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8658 states. [2022-11-16 11:11:37,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8658 to 8656. [2022-11-16 11:11:37,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8656 states, 5029 states have (on average 1.174388546430702) internal successors, (5906), 5054 states have internal predecessors, (5906), 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) [2022-11-16 11:11:37,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8656 states to 8656 states and 12867 transitions. [2022-11-16 11:11:37,779 INFO L78 Accepts]: Start accepts. Automaton has 8656 states and 12867 transitions. Word has length 68 [2022-11-16 11:11:37,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:11:37,780 INFO L495 AbstractCegarLoop]: Abstraction has 8656 states and 12867 transitions. [2022-11-16 11:11:37,780 INFO L496 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) [2022-11-16 11:11:37,780 INFO L276 IsEmpty]: Start isEmpty. Operand 8656 states and 12867 transitions. [2022-11-16 11:11:37,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-16 11:11:37,781 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:11:37,782 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 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, 1, 1, 1, 1] [2022-11-16 11:11:37,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:11:37,782 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-16 11:11:37,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:11:37,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1892989953, now seen corresponding path program 1 times [2022-11-16 11:11:37,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:11:37,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518970059] [2022-11-16 11:11:37,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:11:37,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:11:37,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:38,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 11:11:38,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:38,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:11:38,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:38,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 11:11:38,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:38,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:11:38,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:38,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:11:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:38,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-16 11:11:38,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:38,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-16 11:11:38,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:38,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-16 11:11:38,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:38,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-16 11:11:38,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:38,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-16 11:11:38,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:38,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 11:11:38,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:38,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 11:11:38,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:38,926 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-11-16 11:11:38,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:11:38,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518970059] [2022-11-16 11:11:38,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518970059] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:11:38,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:11:38,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:11:38,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010280191] [2022-11-16 11:11:38,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:11:38,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:11:38,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:11:38,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:11:38,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:11:38,929 INFO L87 Difference]: Start difference. First operand 8656 states and 12867 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, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-16 11:11:39,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:11:39,763 INFO L93 Difference]: Finished difference Result 8721 states and 12938 transitions. [2022-11-16 11:11:39,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:11:39,764 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, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 83 [2022-11-16 11:11:39,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:11:39,817 INFO L225 Difference]: With dead ends: 8721 [2022-11-16 11:11:39,817 INFO L226 Difference]: Without dead ends: 8583 [2022-11-16 11:11:39,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:11:39,831 INFO L413 NwaCegarLoop]: 12860 mSDtfsCounter, 12634 mSDsluCounter, 25920 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12634 SdHoareTripleChecker+Valid, 38780 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:11:39,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12634 Valid, 38780 Invalid, 12 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:11:39,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8583 states. [2022-11-16 11:11:48,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8583 to 8581. [2022-11-16 11:11:48,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8581 states, 4981 states have (on average 1.1744629592451314) internal successors, (5850), 5003 states have internal predecessors, (5850), 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) [2022-11-16 11:11:48,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8581 states to 8581 states and 12754 transitions. [2022-11-16 11:11:48,079 INFO L78 Accepts]: Start accepts. Automaton has 8581 states and 12754 transitions. Word has length 83 [2022-11-16 11:11:48,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:11:48,079 INFO L495 AbstractCegarLoop]: Abstraction has 8581 states and 12754 transitions. [2022-11-16 11:11:48,080 INFO L496 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, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-16 11:11:48,080 INFO L276 IsEmpty]: Start isEmpty. Operand 8581 states and 12754 transitions. [2022-11-16 11:11:48,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-16 11:11:48,086 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:11:48,087 INFO L195 NwaCegarLoop]: 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] [2022-11-16 11:11:48,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 11:11:48,087 INFO L420 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)] === [2022-11-16 11:11:48,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:11:48,088 INFO L85 PathProgramCache]: Analyzing trace with hash -137908999, now seen corresponding path program 1 times [2022-11-16 11:11:48,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:11:48,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144239504] [2022-11-16 11:11:48,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:11:48,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:11:48,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:49,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 11:11:49,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:49,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:11:49,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:49,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 11:11:49,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:49,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:11:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:49,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:11:49,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:49,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-16 11:11:49,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:49,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-16 11:11:49,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:49,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-16 11:11:49,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:49,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:11:49,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:49,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:11:49,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:49,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:11:49,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:49,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-16 11:11:49,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:49,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-16 11:11:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:49,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:11:49,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:49,789 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-11-16 11:11:49,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:11:49,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144239504] [2022-11-16 11:11:49,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144239504] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:11:49,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:11:49,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:11:49,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949680102] [2022-11-16 11:11:49,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:11:49,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:11:49,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:11:49,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:11:49,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:11:49,793 INFO L87 Difference]: Start difference. First operand 8581 states and 12754 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) [2022-11-16 11:11:56,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:10,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:12:10,549 INFO L93 Difference]: Finished difference Result 8629 states and 12822 transitions. [2022-11-16 11:12:10,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 11:12:10,550 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 [2022-11-16 11:12:10,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:12:10,613 INFO L225 Difference]: With dead ends: 8629 [2022-11-16 11:12:10,613 INFO L226 Difference]: Without dead ends: 8627 [2022-11-16 11:12:10,627 INFO L412 NwaCegarLoop]: 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 [2022-11-16 11:12:10,628 INFO L413 NwaCegarLoop]: 12285 mSDtfsCounter, 12638 mSDsluCounter, 32212 mSDsCounter, 0 mSdLazyCounter, 2329 mSolverCounterSat, 3745 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12932 SdHoareTripleChecker+Valid, 44497 SdHoareTripleChecker+Invalid, 6075 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 3745 IncrementalHoareTripleChecker+Valid, 2329 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.5s IncrementalHoareTripleChecker+Time [2022-11-16 11:12:10,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12932 Valid, 44497 Invalid, 6075 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [3745 Valid, 2329 Invalid, 1 Unknown, 0 Unchecked, 19.5s Time] [2022-11-16 11:12:10,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8627 states. [2022-11-16 11:12:18,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8627 to 8585. [2022-11-16 11:12:18,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8585 states, 4984 states have (on average 1.1743579454253612) internal successors, (5853), 5006 states have internal predecessors, (5853), 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) [2022-11-16 11:12:18,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8585 states to 8585 states and 12757 transitions. [2022-11-16 11:12:18,777 INFO L78 Accepts]: Start accepts. Automaton has 8585 states and 12757 transitions. Word has length 100 [2022-11-16 11:12:18,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:12:18,779 INFO L495 AbstractCegarLoop]: Abstraction has 8585 states and 12757 transitions. [2022-11-16 11:12:18,779 INFO L496 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) [2022-11-16 11:12:18,779 INFO L276 IsEmpty]: Start isEmpty. Operand 8585 states and 12757 transitions. [2022-11-16 11:12:18,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-11-16 11:12:18,786 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:12:18,786 INFO L195 NwaCegarLoop]: 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] [2022-11-16 11:12:18,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 11:12:18,787 INFO L420 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)] === [2022-11-16 11:12:18,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:12:18,787 INFO L85 PathProgramCache]: Analyzing trace with hash -136837129, now seen corresponding path program 1 times [2022-11-16 11:12:18,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:12:18,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537889327] [2022-11-16 11:12:18,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:12:18,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:12:18,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:19,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 11:12:19,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:19,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:12:19,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:19,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 11:12:19,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:19,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:12:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:19,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:12:19,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:19,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-16 11:12:19,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:19,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-16 11:12:19,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:19,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-16 11:12:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:19,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:12:19,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:19,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:12:19,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:19,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:12:19,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:19,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-16 11:12:19,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:19,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-16 11:12:19,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:19,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:12:19,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:19,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-16 11:12:19,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:19,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:12:19,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:19,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-16 11:12:19,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:19,901 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-11-16 11:12:19,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:12:19,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537889327] [2022-11-16 11:12:19,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537889327] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:12:19,902 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:12:19,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 11:12:19,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213412393] [2022-11-16 11:12:19,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:12:19,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:12:19,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:12:19,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:12:19,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:12:19,903 INFO L87 Difference]: Start difference. First operand 8585 states and 12757 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) [2022-11-16 11:12:28,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:33,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:35,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:36,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:38,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:39,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:43,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:46,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:47,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:16,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:15:51,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:15:51,072 INFO L93 Difference]: Finished difference Result 17260 states and 25659 transitions. [2022-11-16 11:15:51,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 11:15:51,073 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 [2022-11-16 11:15:51,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:15:51,125 INFO L225 Difference]: With dead ends: 17260 [2022-11-16 11:15:51,126 INFO L226 Difference]: Without dead ends: 8682 [2022-11-16 11:15:51,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2022-11-16 11:15:51,180 INFO L413 NwaCegarLoop]: 2181 mSDtfsCounter, 8723 mSDsluCounter, 7870 mSDsCounter, 0 mSdLazyCounter, 46388 mSolverCounterSat, 7757 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 198.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11726 SdHoareTripleChecker+Valid, 10051 SdHoareTripleChecker+Invalid, 54148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.6s SdHoareTripleChecker+Time, 7757 IncrementalHoareTripleChecker+Valid, 46388 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 208.4s IncrementalHoareTripleChecker+Time [2022-11-16 11:15:51,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11726 Valid, 10051 Invalid, 54148 Unknown, 0 Unchecked, 0.6s Time], IncrementalHoareTripleChecker [7757 Valid, 46388 Invalid, 3 Unknown, 0 Unchecked, 208.4s Time] [2022-11-16 11:15:51,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8682 states. [2022-11-16 11:16:00,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8682 to 8587. [2022-11-16 11:16:00,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8587 states, 4986 states have (on average 1.1742880064179704) internal successors, (5855), 5008 states have internal predecessors, (5855), 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) [2022-11-16 11:16:00,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8587 states to 8587 states and 12759 transitions. [2022-11-16 11:16:00,612 INFO L78 Accepts]: Start accepts. Automaton has 8587 states and 12759 transitions. Word has length 118 [2022-11-16 11:16:00,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:16:00,613 INFO L495 AbstractCegarLoop]: Abstraction has 8587 states and 12759 transitions. [2022-11-16 11:16:00,614 INFO L496 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) [2022-11-16 11:16:00,614 INFO L276 IsEmpty]: Start isEmpty. Operand 8587 states and 12759 transitions. [2022-11-16 11:16:00,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-16 11:16:00,618 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:16:00,619 INFO L195 NwaCegarLoop]: 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] [2022-11-16 11:16:00,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 11:16:00,619 INFO L420 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)] === [2022-11-16 11:16:00,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:16:00,620 INFO L85 PathProgramCache]: Analyzing trace with hash 566491962, now seen corresponding path program 1 times [2022-11-16 11:16:00,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:16:00,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037673509] [2022-11-16 11:16:00,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:16:00,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:16:01,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:01,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 11:16:01,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:01,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:16:01,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:01,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 11:16:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:01,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:01,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:01,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:16:01,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:01,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-16 11:16:01,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:01,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-16 11:16:01,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:01,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-16 11:16:01,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:01,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:01,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:01,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:16:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:01,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:16:01,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:01,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-16 11:16:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:01,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-16 11:16:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:01,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:01,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:02,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-16 11:16:02,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:02,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:02,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:02,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-16 11:16:02,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:02,664 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-11-16 11:16:02,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:16:02,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037673509] [2022-11-16 11:16:02,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037673509] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:16:02,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476684338] [2022-11-16 11:16:02,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:16:02,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:16:02,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25d0845-9005-4644-bc20-49168b8f736c/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:16:02,671 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25d0845-9005-4644-bc20-49168b8f736c/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:16:02,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25d0845-9005-4644-bc20-49168b8f736c/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 11:16:04,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:04,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 4049 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 11:16:04,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:16:05,090 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-11-16 11:16:05,090 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:16:05,387 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-11-16 11:16:05,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [476684338] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-16 11:16:05,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-16 11:16:05,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8, 5] total 11 [2022-11-16 11:16:05,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412687822] [2022-11-16 11:16:05,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:16:05,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:16:05,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:16:05,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:16:05,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-11-16 11:16:05,390 INFO L87 Difference]: Start difference. First operand 8587 states and 12759 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) [2022-11-16 11:16:06,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:16:06,592 INFO L93 Difference]: Finished difference Result 17157 states and 25505 transitions. [2022-11-16 11:16:06,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 11:16:06,593 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 [2022-11-16 11:16:06,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:16:06,648 INFO L225 Difference]: With dead ends: 17157 [2022-11-16 11:16:06,648 INFO L226 Difference]: Without dead ends: 8589 [2022-11-16 11:16:06,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 263 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-11-16 11:16:06,704 INFO L413 NwaCegarLoop]: 12598 mSDtfsCounter, 6 mSDsluCounter, 12596 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 25194 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:16:06,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 25194 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 11:16:06,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8589 states. [2022-11-16 11:16:16,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8589 to 8589. [2022-11-16 11:16:16,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8589 states, 4988 states have (on average 1.1742181234963913) internal successors, (5857), 5010 states have internal predecessors, (5857), 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) [2022-11-16 11:16:16,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8589 states to 8589 states and 12761 transitions. [2022-11-16 11:16:16,938 INFO L78 Accepts]: Start accepts. Automaton has 8589 states and 12761 transitions. Word has length 119 [2022-11-16 11:16:16,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:16:16,939 INFO L495 AbstractCegarLoop]: Abstraction has 8589 states and 12761 transitions. [2022-11-16 11:16:16,939 INFO L496 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) [2022-11-16 11:16:16,940 INFO L276 IsEmpty]: Start isEmpty. Operand 8589 states and 12761 transitions. [2022-11-16 11:16:16,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-16 11:16:16,944 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:16:16,945 INFO L195 NwaCegarLoop]: 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] [2022-11-16 11:16:16,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25d0845-9005-4644-bc20-49168b8f736c/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 11:16:17,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25d0845-9005-4644-bc20-49168b8f736c/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:16:17,161 INFO L420 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)] === [2022-11-16 11:16:17,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:16:17,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1739815399, now seen corresponding path program 1 times [2022-11-16 11:16:17,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:16:17,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183065336] [2022-11-16 11:16:17,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:16:17,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:16:17,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:18,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 11:16:18,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:18,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:16:18,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:18,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 11:16:18,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:18,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:18,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:18,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:16:18,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:18,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-16 11:16:18,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:18,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-16 11:16:18,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:18,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-16 11:16:18,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:18,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:18,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:18,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:16:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:18,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:16:18,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:18,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-16 11:16:18,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:18,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-16 11:16:18,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:18,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:18,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:18,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-16 11:16:18,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:18,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:18,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:18,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-16 11:16:18,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:18,945 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-11-16 11:16:18,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:16:18,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183065336] [2022-11-16 11:16:18,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183065336] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:16:18,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1867194166] [2022-11-16 11:16:18,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:16:18,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:16:18,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25d0845-9005-4644-bc20-49168b8f736c/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:16:18,948 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25d0845-9005-4644-bc20-49168b8f736c/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:16:18,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c25d0845-9005-4644-bc20-49168b8f736c/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 11:16:21,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:21,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 4068 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 11:16:21,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:16:22,479 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 39 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-16 11:16:22,479 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:16:23,491 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-16 11:16:23,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1867194166] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:16:23,491 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 11:16:23,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 15, 15] total 24 [2022-11-16 11:16:23,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490151229] [2022-11-16 11:16:23,492 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 11:16:23,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-16 11:16:23,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:16:23,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-16 11:16:23,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=503, Unknown=0, NotChecked=0, Total=552 [2022-11-16 11:16:23,494 INFO L87 Difference]: Start difference. First operand 8589 states and 12761 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) [2022-11-16 11:16:57,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:17:11,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:17:12,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:17:13,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:17:18,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:17:21,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:17:23,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:17:24,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:17:25,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:17:27,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:17:28,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:17:39,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:17:40,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:17:43,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:17:44,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:17:45,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:17:46,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:17:48,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:17:49,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:17:53,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:17:54,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:17:58,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:18:18,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:18:26,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []