./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 e7bb482b 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_22af6281-72ba-4286-9d12-11ee76ed29c8/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22af6281-72ba-4286-9d12-11ee76ed29c8/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22af6281-72ba-4286-9d12-11ee76ed29c8/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22af6281-72ba-4286-9d12-11ee76ed29c8/bin/uautomizer-verify-WvqO1wxjHP/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_22af6281-72ba-4286-9d12-11ee76ed29c8/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22af6281-72ba-4286-9d12-11ee76ed29c8/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5a4efb80f78cf6db9ac1c2540f0e3afbb357842376bf73c44e7e4fa9311ea9dc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:43:14,301 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:43:14,449 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22af6281-72ba-4286-9d12-11ee76ed29c8/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 22:43:14,459 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:43:14,460 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:43:14,511 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:43:14,512 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:43:14,513 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:43:14,514 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:43:14,521 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:43:14,523 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:43:14,523 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:43:14,524 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:43:14,526 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:43:14,527 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:43:14,527 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:43:14,528 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:43:14,529 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:43:14,529 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:43:14,530 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:43:14,530 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:43:14,531 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:43:14,532 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:43:14,533 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:43:14,533 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:43:14,534 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:43:14,535 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:43:14,535 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:43:14,536 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:43:14,536 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:43:14,538 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:43:14,538 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:43:14,539 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:43:14,539 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:43:14,539 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:43:14,540 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:43:14,540 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_22af6281-72ba-4286-9d12-11ee76ed29c8/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22af6281-72ba-4286-9d12-11ee76ed29c8/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a4efb80f78cf6db9ac1c2540f0e3afbb357842376bf73c44e7e4fa9311ea9dc [2023-11-06 22:43:15,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:43:15,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:43:15,052 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:43:15,054 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:43:15,054 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:43:15,056 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22af6281-72ba-4286-9d12-11ee76ed29c8/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i [2023-11-06 22:43:18,597 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:43:19,594 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:43:19,595 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22af6281-72ba-4286-9d12-11ee76ed29c8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i [2023-11-06 22:43:19,706 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22af6281-72ba-4286-9d12-11ee76ed29c8/bin/uautomizer-verify-WvqO1wxjHP/data/7c656eb45/44f9e2b57dce4cccbc34e5963da9948f/FLAGe45ee2664 [2023-11-06 22:43:19,730 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22af6281-72ba-4286-9d12-11ee76ed29c8/bin/uautomizer-verify-WvqO1wxjHP/data/7c656eb45/44f9e2b57dce4cccbc34e5963da9948f [2023-11-06 22:43:19,740 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:43:19,743 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:43:19,749 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:43:19,751 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:43:19,758 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:43:19,759 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:43:19" (1/1) ... [2023-11-06 22:43:19,760 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b47eb34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:19, skipping insertion in model container [2023-11-06 22:43:19,761 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:43:19" (1/1) ... [2023-11-06 22:43:20,038 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:43:24,065 WARN L240 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_22af6281-72ba-4286-9d12-11ee76ed29c8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[508948,508961] [2023-11-06 22:43:24,070 WARN L240 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_22af6281-72ba-4286-9d12-11ee76ed29c8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509114,509127] [2023-11-06 22:43:24,071 WARN L240 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_22af6281-72ba-4286-9d12-11ee76ed29c8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509278,509291] [2023-11-06 22:43:24,077 WARN L240 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_22af6281-72ba-4286-9d12-11ee76ed29c8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509443,509456] [2023-11-06 22:43:24,106 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:43:24,207 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:43:24,339 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4344] [2023-11-06 22:43:24,341 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4347] [2023-11-06 22:43:24,341 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4350] [2023-11-06 22:43:24,341 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4353] [2023-11-06 22:43:24,891 WARN L240 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_22af6281-72ba-4286-9d12-11ee76ed29c8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[508948,508961] [2023-11-06 22:43:24,892 WARN L240 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_22af6281-72ba-4286-9d12-11ee76ed29c8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509114,509127] [2023-11-06 22:43:24,893 WARN L240 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_22af6281-72ba-4286-9d12-11ee76ed29c8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509278,509291] [2023-11-06 22:43:24,893 WARN L240 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_22af6281-72ba-4286-9d12-11ee76ed29c8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509443,509456] [2023-11-06 22:43:24,898 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:43:25,157 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:43:25,165 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:43:25,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:25 WrapperNode [2023-11-06 22:43:25,166 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:43:25,167 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:43:25,167 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:43:25,167 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:43:25,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:25" (1/1) ... [2023-11-06 22:43:25,344 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:25" (1/1) ... [2023-11-06 22:43:25,914 INFO L138 Inliner]: procedures = 370, calls = 6362, calls flagged for inlining = 171, calls inlined = 146, statements flattened = 17822 [2023-11-06 22:43:25,915 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:43:25,916 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:43:25,916 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:43:25,917 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:43:25,928 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:25" (1/1) ... [2023-11-06 22:43:25,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:25" (1/1) ... [2023-11-06 22:43:26,050 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:25" (1/1) ... [2023-11-06 22:43:26,051 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:25" (1/1) ... [2023-11-06 22:43:26,416 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:25" (1/1) ... [2023-11-06 22:43:26,463 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:25" (1/1) ... [2023-11-06 22:43:26,511 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:25" (1/1) ... [2023-11-06 22:43:26,566 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:25" (1/1) ... [2023-11-06 22:43:26,650 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:43:26,651 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:43:26,651 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:43:26,652 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:43:26,653 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:25" (1/1) ... [2023-11-06 22:43:26,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:43:26,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22af6281-72ba-4286-9d12-11ee76ed29c8/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:26,691 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22af6281-72ba-4286-9d12-11ee76ed29c8/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:26,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22af6281-72ba-4286-9d12-11ee76ed29c8/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:43:26,738 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-06 22:43:26,738 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-06 22:43:26,738 INFO L130 BoogieDeclarations]: Found specification of procedure to_sd [2023-11-06 22:43:26,739 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sd [2023-11-06 22:43:26,739 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_tuner [2023-11-06 22:43:26,739 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_tuner [2023-11-06 22:43:26,739 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ctrl [2023-11-06 22:43:26,739 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ctrl [2023-11-06 22:43:26,740 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_s_parameters [2023-11-06 22:43:26,740 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_s_parameters [2023-11-06 22:43:26,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-06 22:43:26,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-06 22:43:26,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-06 22:43:26,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-06 22:43:26,741 INFO L130 BoogieDeclarations]: Found specification of procedure input_change [2023-11-06 22:43:26,741 INFO L138 BoogieDeclarations]: Found implementation of procedure input_change [2023-11-06 22:43:26,742 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_g_parameters [2023-11-06 22:43:26,742 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_g_parameters [2023-11-06 22:43:26,742 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_querymenu [2023-11-06 22:43:26,742 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_querymenu [2023-11-06 22:43:26,742 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-06 22:43:26,743 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-06 22:43:26,744 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_probe [2023-11-06 22:43:26,744 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_probe [2023-11-06 22:43:26,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-06 22:43:26,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-06 22:43:26,747 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2023-11-06 22:43:26,747 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2023-11-06 22:43:26,747 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_shutdown [2023-11-06 22:43:26,748 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_shutdown [2023-11-06 22:43:26,748 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx2388x [2023-11-06 22:43:26,749 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx2388x [2023-11-06 22:43:26,749 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_tuner [2023-11-06 22:43:26,749 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_tuner [2023-11-06 22:43:26,749 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx2583x [2023-11-06 22:43:26,749 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx2583x [2023-11-06 22:43:26,750 INFO L130 BoogieDeclarations]: Found specification of procedure to_ir_state [2023-11-06 22:43:26,750 INFO L138 BoogieDeclarations]: Found implementation of procedure to_ir_state [2023-11-06 22:43:26,750 INFO L130 BoogieDeclarations]: Found specification of procedure control_tx_enable [2023-11-06 22:43:26,750 INFO L138 BoogieDeclarations]: Found implementation of procedure control_tx_enable [2023-11-06 22:43:26,750 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_width_count_to_ns [2023-11-06 22:43:26,750 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_width_count_to_ns [2023-11-06 22:43:26,751 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-06 22:43:26,751 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-06 22:43:26,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-06 22:43:26,751 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-06 22:43:26,751 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_freq_to_clock_divider [2023-11-06 22:43:26,751 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_freq_to_clock_divider [2023-11-06 22:43:26,752 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_demodulation_enable [2023-11-06 22:43:26,752 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_demodulation_enable [2023-11-06 22:43:26,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-11-06 22:43:26,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-11-06 22:43:26,752 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-06 22:43:26,753 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-06 22:43:26,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:43:26,753 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-06 22:43:26,753 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-06 22:43:26,754 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_write [2023-11-06 22:43:26,754 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_write [2023-11-06 22:43:26,755 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2023-11-06 22:43:26,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2023-11-06 22:43:26,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 22:43:26,756 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_mbus_fmt [2023-11-06 22:43:26,756 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_mbus_fmt [2023-11-06 22:43:26,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-06 22:43:26,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-06 22:43:26,757 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2023-11-06 22:43:26,757 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2023-11-06 22:43:26,757 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2023-11-06 22:43:26,757 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2023-11-06 22:43:26,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-06 22:43:26,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-06 22:43:26,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-11-06 22:43:26,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-11-06 22:43:26,758 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-06 22:43:26,759 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-06 22:43:26,759 INFO L130 BoogieDeclarations]: Found specification of procedure set_volume [2023-11-06 22:43:26,759 INFO L138 BoogieDeclarations]: Found implementation of procedure set_volume [2023-11-06 22:43:26,759 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_sliced_fmt [2023-11-06 22:43:26,759 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_sliced_fmt [2023-11-06 22:43:26,759 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_initialize [2023-11-06 22:43:26,760 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_initialize [2023-11-06 22:43:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ext_ctrls [2023-11-06 22:43:26,761 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ext_ctrls [2023-11-06 22:43:26,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:43:26,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 22:43:26,761 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-06 22:43:26,761 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-06 22:43:26,762 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-11-06 22:43:26,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-11-06 22:43:26,762 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-06 22:43:26,762 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-06 22:43:26,762 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2023-11-06 22:43:26,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2023-11-06 22:43:26,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-06 22:43:26,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-06 22:43:26,763 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_resolution [2023-11-06 22:43:26,763 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_resolution [2023-11-06 22:43:26,763 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-06 22:43:26,763 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-06 22:43:26,764 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_try_ext_ctrls [2023-11-06 22:43:26,764 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_try_ext_ctrls [2023-11-06 22:43:26,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_rx_params_lock_of_cx25840_ir_state [2023-11-06 22:43:26,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_rx_params_lock_of_cx25840_ir_state [2023-11-06 22:43:26,765 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-11-06 22:43:26,765 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-11-06 22:43:26,765 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata___0 [2023-11-06 22:43:26,765 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata___0 [2023-11-06 22:43:26,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-06 22:43:26,766 INFO L130 BoogieDeclarations]: Found specification of procedure cx25836_initialize [2023-11-06 22:43:26,766 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25836_initialize [2023-11-06 22:43:26,766 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_write4 [2023-11-06 22:43:26,766 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_write4 [2023-11-06 22:43:26,767 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ext_ctrls [2023-11-06 22:43:26,768 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ext_ctrls [2023-11-06 22:43:26,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-06 22:43:26,768 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_frequency [2023-11-06 22:43:26,768 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_frequency [2023-11-06 22:43:26,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-06 22:43:26,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-06 22:43:26,769 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_std_setup [2023-11-06 22:43:26,769 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_std_setup [2023-11-06 22:43:26,769 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2023-11-06 22:43:26,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2023-11-06 22:43:26,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:43:26,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-06 22:43:26,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-06 22:43:26,770 INFO L130 BoogieDeclarations]: Found specification of procedure irqenable_tx [2023-11-06 22:43:26,771 INFO L138 BoogieDeclarations]: Found implementation of procedure irqenable_tx [2023-11-06 22:43:26,771 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2023-11-06 22:43:26,771 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2023-11-06 22:43:26,771 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_queryctrl [2023-11-06 22:43:26,771 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_queryctrl [2023-11-06 22:43:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-06 22:43:26,772 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-06 22:43:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure control_tx_modulation_enable [2023-11-06 22:43:26,772 INFO L138 BoogieDeclarations]: Found implementation of procedure control_tx_modulation_enable [2023-11-06 22:43:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure cx23885_initialize [2023-11-06 22:43:26,773 INFO L138 BoogieDeclarations]: Found implementation of procedure cx23885_initialize [2023-11-06 22:43:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_raw_fmt [2023-11-06 22:43:26,773 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_raw_fmt [2023-11-06 22:43:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_freq [2023-11-06 22:43:26,773 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_freq [2023-11-06 22:43:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_std [2023-11-06 22:43:26,776 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_std [2023-11-06 22:43:26,779 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_and_or [2023-11-06 22:43:26,780 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_and_or [2023-11-06 22:43:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ctrl [2023-11-06 22:43:26,780 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ctrl [2023-11-06 22:43:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-06 22:43:26,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-06 22:43:26,782 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_s_parameters [2023-11-06 22:43:26,782 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_s_parameters [2023-11-06 22:43:26,783 INFO L130 BoogieDeclarations]: Found specification of procedure to_state [2023-11-06 22:43:26,789 INFO L138 BoogieDeclarations]: Found implementation of procedure to_state [2023-11-06 22:43:26,789 INFO L130 BoogieDeclarations]: Found specification of procedure set_audclk_freq [2023-11-06 22:43:26,789 INFO L138 BoogieDeclarations]: Found implementation of procedure set_audclk_freq [2023-11-06 22:43:26,789 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_register [2023-11-06 22:43:26,790 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_register [2023-11-06 22:43:26,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:43:26,791 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_register [2023-11-06 22:43:26,791 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_register [2023-11-06 22:43:26,791 INFO L130 BoogieDeclarations]: Found specification of procedure set_input [2023-11-06 22:43:26,791 INFO L138 BoogieDeclarations]: Found implementation of procedure set_input [2023-11-06 22:43:26,792 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_g_parameters [2023-11-06 22:43:26,792 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_g_parameters [2023-11-06 22:43:26,792 INFO L130 BoogieDeclarations]: Found specification of procedure cx23888_std_setup [2023-11-06 22:43:26,792 INFO L138 BoogieDeclarations]: Found implementation of procedure cx23888_std_setup [2023-11-06 22:43:26,792 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_initialize [2023-11-06 22:43:26,792 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_initialize [2023-11-06 22:43:26,793 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2023-11-06 22:43:26,793 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2023-11-06 22:43:26,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tx_params_lock_of_cx25840_ir_state [2023-11-06 22:43:26,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tx_params_lock_of_cx25840_ir_state [2023-11-06 22:43:26,793 INFO L130 BoogieDeclarations]: Found specification of procedure irqenable_rx [2023-11-06 22:43:26,793 INFO L138 BoogieDeclarations]: Found implementation of procedure irqenable_rx [2023-11-06 22:43:26,793 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_and_or4 [2023-11-06 22:43:26,794 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_and_or4 [2023-11-06 22:43:26,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_tx_params_lock_of_cx25840_ir_state [2023-11-06 22:43:26,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_tx_params_lock_of_cx25840_ir_state [2023-11-06 22:43:26,794 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_input_status [2023-11-06 22:43:26,794 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_input_status [2023-11-06 22:43:26,794 INFO L130 BoogieDeclarations]: Found specification of procedure lpf_count_to_ns [2023-11-06 22:43:26,795 INFO L138 BoogieDeclarations]: Found implementation of procedure lpf_count_to_ns [2023-11-06 22:43:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_set_audclk_freq [2023-11-06 22:43:26,795 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_set_audclk_freq [2023-11-06 22:43:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_read [2023-11-06 22:43:26,795 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_read [2023-11-06 22:43:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:43:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_width_count_to_us [2023-11-06 22:43:26,796 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_width_count_to_us [2023-11-06 22:43:26,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:43:26,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-06 22:43:26,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-06 22:43:26,796 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-06 22:43:26,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-06 22:43:26,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 22:43:26,797 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-06 22:43:26,797 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_sliced_fmt [2023-11-06 22:43:26,797 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_sliced_fmt [2023-11-06 22:43:26,797 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2023-11-06 22:43:26,797 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send [2023-11-06 22:43:26,797 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2023-11-06 22:43:26,798 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2023-11-06 22:43:26,798 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_decode_vbi_line [2023-11-06 22:43:26,798 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_decode_vbi_line [2023-11-06 22:43:26,798 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_adapter_id [2023-11-06 22:43:26,798 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_adapter_id [2023-11-06 22:43:26,798 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_carrier_freq [2023-11-06 22:43:26,799 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_carrier_freq [2023-11-06 22:43:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_clocks_to_clock_divider [2023-11-06 22:43:26,799 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_clocks_to_clock_divider [2023-11-06 22:43:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx231xx [2023-11-06 22:43:26,799 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx231xx [2023-11-06 22:43:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-06 22:43:26,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-06 22:43:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_s_edge_detection [2023-11-06 22:43:26,800 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_s_edge_detection [2023-11-06 22:43:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2023-11-06 22:43:26,800 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2023-11-06 22:43:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_probe [2023-11-06 22:43:26,800 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_probe [2023-11-06 22:43:26,801 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-06 22:43:26,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-06 22:43:26,801 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2023-11-06 22:43:26,801 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2023-11-06 22:43:26,801 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_read4 [2023-11-06 22:43:26,801 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_read4 [2023-11-06 22:43:26,802 INFO L130 BoogieDeclarations]: Found specification of procedure odd_parity [2023-11-06 22:43:26,802 INFO L138 BoogieDeclarations]: Found implementation of procedure odd_parity [2023-11-06 22:43:26,802 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-06 22:43:26,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-06 22:43:26,802 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_enable [2023-11-06 22:43:26,802 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_enable [2023-11-06 22:43:26,803 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-06 22:43:26,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-06 22:43:26,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_rx_params_lock_of_cx25840_ir_state [2023-11-06 22:43:26,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_rx_params_lock_of_cx25840_ir_state [2023-11-06 22:43:26,803 INFO L130 BoogieDeclarations]: Found specification of procedure filter_rx_s_min_width [2023-11-06 22:43:26,803 INFO L138 BoogieDeclarations]: Found implementation of procedure filter_rx_s_min_width [2023-11-06 22:43:26,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:43:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_shutdown [2023-11-06 22:43:26,804 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_shutdown [2023-11-06 22:43:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-11-06 22:43:26,804 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-11-06 22:43:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-06 22:43:26,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-06 22:43:26,805 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-11-06 22:43:26,805 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-11-06 22:43:26,805 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23885 [2023-11-06 22:43:26,805 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23885 [2023-11-06 22:43:26,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:43:26,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:43:26,806 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_pulse_clocks [2023-11-06 22:43:26,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_pulse_clocks [2023-11-06 22:43:26,806 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23888 [2023-11-06 22:43:26,806 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23888 [2023-11-06 22:43:26,806 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23887 [2023-11-06 22:43:26,807 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23887 [2023-11-06 22:43:28,535 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:43:28,541 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:43:29,782 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-06 22:44:48,069 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:44:48,124 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:44:48,124 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:44:48,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:44:48 BoogieIcfgContainer [2023-11-06 22:44:48,138 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:44:48,143 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:44:48,143 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:44:48,147 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:44:48,147 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:43:19" (1/3) ... [2023-11-06 22:44:48,149 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ee2685e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:44:48, skipping insertion in model container [2023-11-06 22:44:48,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:25" (2/3) ... [2023-11-06 22:44:48,154 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ee2685e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:44:48, skipping insertion in model container [2023-11-06 22:44:48,154 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:44:48" (3/3) ... [2023-11-06 22:44:48,156 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i [2023-11-06 22:44:48,180 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:44:48,181 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-06 22:44:48,438 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:44:48,450 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;@570ca28a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:44:48,450 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-06 22:44:48,486 INFO L276 IsEmpty]: Start isEmpty. Operand has 9126 states, 5424 states have (on average 1.2120206489675516) internal successors, (6574), 5451 states have internal predecessors, (6574), 3578 states have call successors, (3578), 121 states have call predecessors, (3578), 120 states have return successors, (3575), 3563 states have call predecessors, (3575), 3575 states have call successors, (3575) [2023-11-06 22:44:48,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-06 22:44:48,501 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:44:48,504 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] [2023-11-06 22:44:48,505 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)] === [2023-11-06 22:44:48,511 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:44:48,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1060304898, now seen corresponding path program 1 times [2023-11-06 22:44:48,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:44:48,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532734109] [2023-11-06 22:44:48,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:44:48,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:44:49,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:50,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-06 22:44:50,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:50,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:44:50,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:50,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:44:50,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:50,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:44:50,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:50,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 22:44:50,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:50,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 22:44:50,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:50,667 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-06 22:44:50,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:44:50,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532734109] [2023-11-06 22:44:50,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532734109] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:44:50,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:44:50,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:44:50,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99611654] [2023-11-06 22:44:50,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:44:50,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:44:50,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:44:50,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:44:50,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:44:50,764 INFO L87 Difference]: Start difference. First operand has 9126 states, 5424 states have (on average 1.2120206489675516) internal successors, (6574), 5451 states have internal predecessors, (6574), 3578 states have call successors, (3578), 121 states have call predecessors, (3578), 120 states have return successors, (3575), 3563 states have call predecessors, (3575), 3575 states have call successors, (3575) 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) [2023-11-06 22:44:52,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:44:52,151 INFO L93 Difference]: Finished difference Result 18228 states and 27497 transitions. [2023-11-06 22:44:52,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:44:52,154 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 [2023-11-06 22:44:52,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:44:52,298 INFO L225 Difference]: With dead ends: 18228 [2023-11-06 22:44:52,298 INFO L226 Difference]: Without dead ends: 9118 [2023-11-06 22:44:52,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:44:52,400 INFO L413 NwaCegarLoop]: 13678 mSDtfsCounter, 13663 mSDsluCounter, 27348 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13669 SdHoareTripleChecker+Valid, 41026 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:44:52,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13669 Valid, 41026 Invalid, 16 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:44:52,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9118 states. [2023-11-06 22:44:57,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9118 to 9118. [2023-11-06 22:44:57,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9118 states, 5420 states have (on average 1.204059040590406) internal successors, (6526), 5446 states have internal predecessors, (6526), 3575 states have call successors, (3575), 121 states have call predecessors, (3575), 120 states have return successors, (3572), 3560 states have call predecessors, (3572), 3572 states have call successors, (3572) [2023-11-06 22:44:57,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9118 states to 9118 states and 13673 transitions. [2023-11-06 22:44:57,741 INFO L78 Accepts]: Start accepts. Automaton has 9118 states and 13673 transitions. Word has length 48 [2023-11-06 22:44:57,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:44:57,743 INFO L495 AbstractCegarLoop]: Abstraction has 9118 states and 13673 transitions. [2023-11-06 22:44:57,744 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) [2023-11-06 22:44:57,744 INFO L276 IsEmpty]: Start isEmpty. Operand 9118 states and 13673 transitions. [2023-11-06 22:44:57,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-06 22:44:57,748 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:44:57,749 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] [2023-11-06 22:44:57,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:44:57,749 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)] === [2023-11-06 22:44:57,750 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:44:57,750 INFO L85 PathProgramCache]: Analyzing trace with hash 698223221, now seen corresponding path program 1 times [2023-11-06 22:44:57,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:44:57,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76047809] [2023-11-06 22:44:57,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:44:57,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:44:58,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:58,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-06 22:44:58,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:59,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:44:59,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:59,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:44:59,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:59,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:44:59,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:59,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 22:44:59,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:59,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 22:44:59,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:59,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-06 22:44:59,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:59,132 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-06 22:44:59,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:44:59,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76047809] [2023-11-06 22:44:59,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76047809] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:44:59,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:44:59,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:44:59,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865478093] [2023-11-06 22:44:59,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:44:59,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:44:59,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:44:59,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:44:59,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:44:59,142 INFO L87 Difference]: Start difference. First operand 9118 states and 13673 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) [2023-11-06 22:45:00,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:45:00,085 INFO L93 Difference]: Finished difference Result 9124 states and 13678 transitions. [2023-11-06 22:45:00,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:45:00,085 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 [2023-11-06 22:45:00,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:45:00,181 INFO L225 Difference]: With dead ends: 9124 [2023-11-06 22:45:00,182 INFO L226 Difference]: Without dead ends: 9122 [2023-11-06 22:45:00,192 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 [2023-11-06 22:45:00,193 INFO L413 NwaCegarLoop]: 13670 mSDtfsCounter, 13648 mSDsluCounter, 27326 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13652 SdHoareTripleChecker+Valid, 40996 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:45:00,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13652 Valid, 40996 Invalid, 16 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:45:00,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9122 states. [2023-11-06 22:45:06,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9122 to 9122. [2023-11-06 22:45:06,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9122 states, 5423 states have (on average 1.2039461552646138) internal successors, (6529), 5449 states have internal predecessors, (6529), 3575 states have call successors, (3575), 122 states have call predecessors, (3575), 121 states have return successors, (3572), 3560 states have call predecessors, (3572), 3572 states have call successors, (3572) [2023-11-06 22:45:06,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9122 states to 9122 states and 13676 transitions. [2023-11-06 22:45:06,936 INFO L78 Accepts]: Start accepts. Automaton has 9122 states and 13676 transitions. Word has length 53 [2023-11-06 22:45:06,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:45:06,937 INFO L495 AbstractCegarLoop]: Abstraction has 9122 states and 13676 transitions. [2023-11-06 22:45:06,937 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) [2023-11-06 22:45:06,938 INFO L276 IsEmpty]: Start isEmpty. Operand 9122 states and 13676 transitions. [2023-11-06 22:45:06,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-06 22:45:06,949 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:45:06,949 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] [2023-11-06 22:45:06,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:45:06,950 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)] === [2023-11-06 22:45:06,950 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:45:06,951 INFO L85 PathProgramCache]: Analyzing trace with hash -2052546654, now seen corresponding path program 1 times [2023-11-06 22:45:06,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:45:06,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699881660] [2023-11-06 22:45:06,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:06,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:45:07,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:08,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-06 22:45:08,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:08,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:45:08,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:08,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:45:08,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:08,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:45:08,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:08,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 22:45:08,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:08,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 22:45:08,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:08,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-06 22:45:08,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:08,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-06 22:45:08,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:08,322 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-06 22:45:08,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:45:08,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699881660] [2023-11-06 22:45:08,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699881660] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:45:08,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:45:08,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:45:08,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341525889] [2023-11-06 22:45:08,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:45:08,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:45:08,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:45:08,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:45:08,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:45:08,331 INFO L87 Difference]: Start difference. First operand 9122 states and 13676 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) [2023-11-06 22:45:09,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:45:09,265 INFO L93 Difference]: Finished difference Result 9128 states and 13681 transitions. [2023-11-06 22:45:09,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:45:09,266 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 [2023-11-06 22:45:09,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:45:09,380 INFO L225 Difference]: With dead ends: 9128 [2023-11-06 22:45:09,380 INFO L226 Difference]: Without dead ends: 9126 [2023-11-06 22:45:09,393 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 [2023-11-06 22:45:09,399 INFO L413 NwaCegarLoop]: 13670 mSDtfsCounter, 13648 mSDsluCounter, 27326 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13651 SdHoareTripleChecker+Valid, 40996 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:45:09,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13651 Valid, 40996 Invalid, 16 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:45:09,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9126 states. [2023-11-06 22:45:16,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9126 to 9126. [2023-11-06 22:45:16,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9126 states, 5426 states have (on average 1.2038333947659419) internal successors, (6532), 5452 states have internal predecessors, (6532), 3575 states have call successors, (3575), 123 states have call predecessors, (3575), 122 states have return successors, (3572), 3560 states have call predecessors, (3572), 3572 states have call successors, (3572) [2023-11-06 22:45:16,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9126 states to 9126 states and 13679 transitions. [2023-11-06 22:45:16,178 INFO L78 Accepts]: Start accepts. Automaton has 9126 states and 13679 transitions. Word has length 58 [2023-11-06 22:45:16,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:45:16,179 INFO L495 AbstractCegarLoop]: Abstraction has 9126 states and 13679 transitions. [2023-11-06 22:45:16,179 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) [2023-11-06 22:45:16,179 INFO L276 IsEmpty]: Start isEmpty. Operand 9126 states and 13679 transitions. [2023-11-06 22:45:16,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-06 22:45:16,183 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:45:16,184 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 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] [2023-11-06 22:45:16,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:45:16,184 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)] === [2023-11-06 22:45:16,185 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:45:16,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1361422763, now seen corresponding path program 1 times [2023-11-06 22:45:16,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:45:16,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474551758] [2023-11-06 22:45:16,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:16,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:45:16,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:17,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-06 22:45:17,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:17,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:45:17,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:17,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:45:17,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:17,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:45:17,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:17,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 22:45:17,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:17,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 22:45:17,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:17,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-06 22:45:17,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:17,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-06 22:45:17,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:17,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-06 22:45:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:17,377 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-06 22:45:17,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:45:17,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474551758] [2023-11-06 22:45:17,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474551758] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:45:17,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:45:17,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:45:17,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474114384] [2023-11-06 22:45:17,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:45:17,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:45:17,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:45:17,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:45:17,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:45:17,380 INFO L87 Difference]: Start difference. First operand 9126 states and 13679 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, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-06 22:45:18,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:45:18,417 INFO L93 Difference]: Finished difference Result 9132 states and 13684 transitions. [2023-11-06 22:45:18,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:45:18,417 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, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 63 [2023-11-06 22:45:18,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:45:18,486 INFO L225 Difference]: With dead ends: 9132 [2023-11-06 22:45:18,487 INFO L226 Difference]: Without dead ends: 9130 [2023-11-06 22:45:18,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:45:18,497 INFO L413 NwaCegarLoop]: 13670 mSDtfsCounter, 13648 mSDsluCounter, 27326 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13650 SdHoareTripleChecker+Valid, 40996 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:45:18,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13650 Valid, 40996 Invalid, 16 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:45:18,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9130 states. [2023-11-06 22:45:25,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9130 to 9130. [2023-11-06 22:45:25,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9130 states, 5429 states have (on average 1.2037207588874563) internal successors, (6535), 5455 states have internal predecessors, (6535), 3575 states have call successors, (3575), 124 states have call predecessors, (3575), 123 states have return successors, (3572), 3560 states have call predecessors, (3572), 3572 states have call successors, (3572) [2023-11-06 22:45:25,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9130 states to 9130 states and 13682 transitions. [2023-11-06 22:45:25,205 INFO L78 Accepts]: Start accepts. Automaton has 9130 states and 13682 transitions. Word has length 63 [2023-11-06 22:45:25,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:45:25,206 INFO L495 AbstractCegarLoop]: Abstraction has 9130 states and 13682 transitions. [2023-11-06 22:45:25,206 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, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-06 22:45:25,206 INFO L276 IsEmpty]: Start isEmpty. Operand 9130 states and 13682 transitions. [2023-11-06 22:45:25,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-06 22:45:25,209 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:45:25,209 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 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] [2023-11-06 22:45:25,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:45:25,210 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)] === [2023-11-06 22:45:25,210 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:45:25,210 INFO L85 PathProgramCache]: Analyzing trace with hash 2054535674, now seen corresponding path program 1 times [2023-11-06 22:45:25,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:45:25,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917702960] [2023-11-06 22:45:25,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:25,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:45:25,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:26,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-06 22:45:26,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:26,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:45:26,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:26,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:45:26,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:26,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:45:26,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:26,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 22:45:26,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:26,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 22:45:26,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:26,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-06 22:45:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:26,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-06 22:45:26,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:26,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-06 22:45:26,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:26,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-06 22:45:26,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:26,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:45:26,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:26,510 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-06 22:45:26,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:45:26,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917702960] [2023-11-06 22:45:26,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917702960] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:45:26,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:45:26,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:45:26,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965438093] [2023-11-06 22:45:26,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:45:26,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:45:26,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:45:26,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:45:26,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:45:26,514 INFO L87 Difference]: Start difference. First operand 9130 states and 13682 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, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-06 22:45:27,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:45:27,586 INFO L93 Difference]: Finished difference Result 9238 states and 13791 transitions. [2023-11-06 22:45:27,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:45:27,587 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, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 78 [2023-11-06 22:45:27,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:45:27,643 INFO L225 Difference]: With dead ends: 9238 [2023-11-06 22:45:27,644 INFO L226 Difference]: Without dead ends: 9234 [2023-11-06 22:45:27,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:45:27,658 INFO L413 NwaCegarLoop]: 13684 mSDtfsCounter, 13455 mSDsluCounter, 27639 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13456 SdHoareTripleChecker+Valid, 41323 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:45:27,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13456 Valid, 41323 Invalid, 24 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:45:27,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9234 states. [2023-11-06 22:45:40,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9234 to 9232. [2023-11-06 22:45:40,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9232 states, 5506 states have (on average 1.204322557210316) internal successors, (6631), 5531 states have internal predecessors, (6631), 3579 states have call successors, (3579), 146 states have call predecessors, (3579), 144 states have return successors, (3576), 3564 states have call predecessors, (3576), 3576 states have call successors, (3576) [2023-11-06 22:45:40,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9232 states to 9232 states and 13786 transitions. [2023-11-06 22:45:40,284 INFO L78 Accepts]: Start accepts. Automaton has 9232 states and 13786 transitions. Word has length 78 [2023-11-06 22:45:40,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:45:40,285 INFO L495 AbstractCegarLoop]: Abstraction has 9232 states and 13786 transitions. [2023-11-06 22:45:40,286 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, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-06 22:45:40,286 INFO L276 IsEmpty]: Start isEmpty. Operand 9232 states and 13786 transitions. [2023-11-06 22:45:40,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-06 22:45:40,287 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:45:40,287 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] [2023-11-06 22:45:40,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:45:40,288 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)] === [2023-11-06 22:45:40,289 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:45:40,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1500372355, now seen corresponding path program 1 times [2023-11-06 22:45:40,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:45:40,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007734576] [2023-11-06 22:45:40,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:40,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:45:40,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:41,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-06 22:45:41,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:41,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:45:41,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:41,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:45:41,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:41,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:45:41,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:41,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 22:45:41,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:41,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 22:45:41,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:41,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-06 22:45:41,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:41,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-06 22:45:41,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:41,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-06 22:45:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:41,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-06 22:45:41,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:41,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:45:41,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:41,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-06 22:45:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:41,500 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2023-11-06 22:45:41,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:45:41,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007734576] [2023-11-06 22:45:41,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007734576] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:45:41,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:45:41,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:45:41,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933603284] [2023-11-06 22:45:41,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:45:41,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:45:41,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:45:41,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:45:41,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:45:41,504 INFO L87 Difference]: Start difference. First operand 9232 states and 13786 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) [2023-11-06 22:45:42,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:45:42,541 INFO L93 Difference]: Finished difference Result 9312 states and 13882 transitions. [2023-11-06 22:45:42,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:45:42,542 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 [2023-11-06 22:45:42,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:45:42,595 INFO L225 Difference]: With dead ends: 9312 [2023-11-06 22:45:42,596 INFO L226 Difference]: Without dead ends: 9174 [2023-11-06 22:45:42,608 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 [2023-11-06 22:45:42,610 INFO L413 NwaCegarLoop]: 13780 mSDtfsCounter, 13530 mSDsluCounter, 27781 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13530 SdHoareTripleChecker+Valid, 41561 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:45:42,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13530 Valid, 41561 Invalid, 19 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:45:42,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9174 states. [2023-11-06 22:45:55,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9174 to 9172. [2023-11-06 22:45:55,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9172 states, 5473 states have (on average 1.2059199707655766) internal successors, (6600), 5495 states have internal predecessors, (6600), 3549 states have call successors, (3549), 148 states have call predecessors, (3549), 148 states have return successors, (3549), 3537 states have call predecessors, (3549), 3549 states have call successors, (3549) [2023-11-06 22:45:55,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9172 states to 9172 states and 13698 transitions. [2023-11-06 22:45:55,617 INFO L78 Accepts]: Start accepts. Automaton has 9172 states and 13698 transitions. Word has length 83 [2023-11-06 22:45:55,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:45:55,617 INFO L495 AbstractCegarLoop]: Abstraction has 9172 states and 13698 transitions. [2023-11-06 22:45:55,618 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) [2023-11-06 22:45:55,618 INFO L276 IsEmpty]: Start isEmpty. Operand 9172 states and 13698 transitions. [2023-11-06 22:45:55,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-06 22:45:55,620 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:45:55,621 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] [2023-11-06 22:45:55,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:45:55,621 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)] === [2023-11-06 22:45:55,621 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:45:55,622 INFO L85 PathProgramCache]: Analyzing trace with hash -456539650, now seen corresponding path program 1 times [2023-11-06 22:45:55,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:45:55,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671331954] [2023-11-06 22:45:55,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:55,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:45:55,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:57,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-06 22:45:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:57,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:45:57,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:57,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:45:57,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:57,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:45:57,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:57,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 22:45:57,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:57,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 22:45:57,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:57,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-06 22:45:57,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:57,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-06 22:45:57,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:57,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:45:57,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:57,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:45:57,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:57,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 22:45:57,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:57,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-06 22:45:57,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:57,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-06 22:45:57,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:57,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:45:57,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:57,407 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-11-06 22:45:57,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:45:57,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671331954] [2023-11-06 22:45:57,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671331954] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:45:57,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:45:57,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:45:57,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69860343] [2023-11-06 22:45:57,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:45:57,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:45:57,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:45:57,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:45:57,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:45:57,411 INFO L87 Difference]: Start difference. First operand 9172 states and 13698 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) [2023-11-06 22:46:04,120 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 [] [2023-11-06 22:46:06,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:46:08,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:46:10,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:46:26,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:46:26,690 INFO L93 Difference]: Finished difference Result 9223 states and 13772 transitions. [2023-11-06 22:46:26,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:46:26,693 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 [2023-11-06 22:46:26,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:46:26,751 INFO L225 Difference]: With dead ends: 9223 [2023-11-06 22:46:26,751 INFO L226 Difference]: Without dead ends: 9221 [2023-11-06 22:46:26,764 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 [2023-11-06 22:46:26,764 INFO L413 NwaCegarLoop]: 13179 mSDtfsCounter, 13539 mSDsluCounter, 34479 mSDsCounter, 0 mSdLazyCounter, 2684 mSolverCounterSat, 3856 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13921 SdHoareTripleChecker+Valid, 47658 SdHoareTripleChecker+Invalid, 6544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3856 IncrementalHoareTripleChecker+Valid, 2684 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:46:26,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13921 Valid, 47658 Invalid, 6544 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3856 Valid, 2684 Invalid, 4 Unknown, 0 Unchecked, 28.0s Time] [2023-11-06 22:46:26,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9221 states. [2023-11-06 22:46:40,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9221 to 9176. [2023-11-06 22:46:40,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9176 states, 5476 states have (on average 1.2058071585098613) internal successors, (6603), 5498 states have internal predecessors, (6603), 3549 states have call successors, (3549), 149 states have call predecessors, (3549), 149 states have return successors, (3549), 3537 states have call predecessors, (3549), 3549 states have call successors, (3549) [2023-11-06 22:46:40,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9176 states to 9176 states and 13701 transitions. [2023-11-06 22:46:40,679 INFO L78 Accepts]: Start accepts. Automaton has 9176 states and 13701 transitions. Word has length 100 [2023-11-06 22:46:40,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:46:40,680 INFO L495 AbstractCegarLoop]: Abstraction has 9176 states and 13701 transitions. [2023-11-06 22:46:40,681 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) [2023-11-06 22:46:40,681 INFO L276 IsEmpty]: Start isEmpty. Operand 9176 states and 13701 transitions. [2023-11-06 22:46:40,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-06 22:46:40,687 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:46:40,688 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] [2023-11-06 22:46:40,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:46:40,688 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)] === [2023-11-06 22:46:40,688 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:40,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1921046234, now seen corresponding path program 1 times [2023-11-06 22:46:40,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:40,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024852264] [2023-11-06 22:46:40,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:40,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:41,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-06 22:46:41,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:41,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:46:41,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:41,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:46:41,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:41,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:46:41,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:41,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 22:46:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:41,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 22:46:41,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:41,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-06 22:46:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:41,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-06 22:46:41,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:41,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:46:41,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:41,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:46:41,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:41,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 22:46:41,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:41,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-06 22:46:41,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:41,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-06 22:46:41,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:41,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:46:41,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:41,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-06 22:46:41,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:41,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:46:41,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:41,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-06 22:46:41,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:42,125 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-11-06 22:46:42,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:46:42,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024852264] [2023-11-06 22:46:42,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024852264] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:46:42,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:46:42,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:46:42,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171471004] [2023-11-06 22:46:42,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:46:42,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:46:42,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:46:42,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:46:42,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:46:42,127 INFO L87 Difference]: Start difference. First operand 9176 states and 13701 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) [2023-11-06 22:46:52,306 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 []