./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_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_2f759bcb-9073-4f32-afc2-020174f4591e/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f759bcb-9073-4f32-afc2-020174f4591e/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_2f759bcb-9073-4f32-afc2-020174f4591e/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f759bcb-9073-4f32-afc2-020174f4591e/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f759bcb-9073-4f32-afc2-020174f4591e/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_2f759bcb-9073-4f32-afc2-020174f4591e/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 98d50d623f72baafe13ab6a5d1ec3f840fccd437bd559cdde24b5507886949f9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:05:58,808 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:05:58,927 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f759bcb-9073-4f32-afc2-020174f4591e/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 23:05:58,935 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:05:58,936 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:05:58,974 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:05:58,975 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:05:58,976 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:05:58,977 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:05:58,982 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:05:58,983 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:05:58,984 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:05:58,984 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:05:58,986 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:05:58,987 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:05:58,987 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:05:58,988 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:05:58,988 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:05:58,989 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:05:58,989 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:05:58,990 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:05:58,990 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:05:58,991 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:05:58,992 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:05:58,992 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:05:58,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:05:58,994 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:05:58,994 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:05:58,995 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:05:58,995 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:05:58,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:05:58,997 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:05:58,997 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:05:58,997 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:05:58,998 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:05:58,998 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:05:58,998 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_2f759bcb-9073-4f32-afc2-020174f4591e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f759bcb-9073-4f32-afc2-020174f4591e/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98d50d623f72baafe13ab6a5d1ec3f840fccd437bd559cdde24b5507886949f9 [2023-11-06 23:05:59,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:05:59,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:05:59,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:05:59,380 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:05:59,381 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:05:59,383 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f759bcb-9073-4f32-afc2-020174f4591e/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i [2023-11-06 23:06:02,451 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:06:03,313 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:06:03,313 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f759bcb-9073-4f32-afc2-020174f4591e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i [2023-11-06 23:06:03,383 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f759bcb-9073-4f32-afc2-020174f4591e/bin/uautomizer-verify-WvqO1wxjHP/data/7ecf1e190/032efdbb32624bfc9977a339372671b3/FLAG3101ca027 [2023-11-06 23:06:03,398 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f759bcb-9073-4f32-afc2-020174f4591e/bin/uautomizer-verify-WvqO1wxjHP/data/7ecf1e190/032efdbb32624bfc9977a339372671b3 [2023-11-06 23:06:03,400 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:06:03,402 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:06:03,404 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:06:03,404 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:06:03,410 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:06:03,411 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:06:03" (1/1) ... [2023-11-06 23:06:03,412 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bb4bc24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:03, skipping insertion in model container [2023-11-06 23:06:03,413 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:06:03" (1/1) ... [2023-11-06 23:06:03,648 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:06:07,502 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_2f759bcb-9073-4f32-afc2-020174f4591e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i[515692,515705] [2023-11-06 23:06:07,506 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_2f759bcb-9073-4f32-afc2-020174f4591e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i[515861,515874] [2023-11-06 23:06:07,507 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_2f759bcb-9073-4f32-afc2-020174f4591e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i[516028,516041] [2023-11-06 23:06:07,508 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_2f759bcb-9073-4f32-afc2-020174f4591e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i[516196,516209] [2023-11-06 23:06:07,540 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:06:07,585 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:06:07,707 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4332] [2023-11-06 23:06:07,709 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4335] [2023-11-06 23:06:07,710 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4338] [2023-11-06 23:06:07,710 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4341] [2023-11-06 23:06:08,318 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_2f759bcb-9073-4f32-afc2-020174f4591e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i[515692,515705] [2023-11-06 23:06:08,320 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_2f759bcb-9073-4f32-afc2-020174f4591e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i[515861,515874] [2023-11-06 23:06:08,321 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_2f759bcb-9073-4f32-afc2-020174f4591e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i[516028,516041] [2023-11-06 23:06:08,321 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_2f759bcb-9073-4f32-afc2-020174f4591e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i[516196,516209] [2023-11-06 23:06:08,326 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:06:08,621 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:06:08,630 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:06:08,630 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:08 WrapperNode [2023-11-06 23:06:08,631 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:06:08,632 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:06:08,632 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:06:08,633 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:06:08,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:08" (1/1) ... [2023-11-06 23:06:08,897 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:08" (1/1) ... [2023-11-06 23:06:09,486 INFO L138 Inliner]: procedures = 394, calls = 6412, calls flagged for inlining = 164, calls inlined = 141, statements flattened = 17699 [2023-11-06 23:06:09,487 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:06:09,487 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:06:09,487 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:06:09,488 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:06:09,498 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:08" (1/1) ... [2023-11-06 23:06:09,499 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:08" (1/1) ... [2023-11-06 23:06:09,596 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:08" (1/1) ... [2023-11-06 23:06:09,596 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:08" (1/1) ... [2023-11-06 23:06:09,932 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:08" (1/1) ... [2023-11-06 23:06:09,983 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:08" (1/1) ... [2023-11-06 23:06:10,111 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:08" (1/1) ... [2023-11-06 23:06:10,141 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:08" (1/1) ... [2023-11-06 23:06:10,344 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:06:10,360 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:06:10,360 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:06:10,360 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:06:10,361 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:08" (1/1) ... [2023-11-06 23:06:10,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:06:10,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f759bcb-9073-4f32-afc2-020174f4591e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:06:10,417 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f759bcb-9073-4f32-afc2-020174f4591e/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:06:10,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f759bcb-9073-4f32-afc2-020174f4591e/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:06:10,520 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-06 23:06:10,520 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-06 23:06:10,520 INFO L130 BoogieDeclarations]: Found specification of procedure to_sd [2023-11-06 23:06:10,520 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sd [2023-11-06 23:06:10,521 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_tuner [2023-11-06 23:06:10,521 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_tuner [2023-11-06 23:06:10,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-06 23:06:10,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-06 23:06:10,521 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx2388x [2023-11-06 23:06:10,521 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx2388x [2023-11-06 23:06:10,522 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_tuner [2023-11-06 23:06:10,522 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_tuner [2023-11-06 23:06:10,522 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx2583x [2023-11-06 23:06:10,522 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx2583x [2023-11-06 23:06:10,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-06 23:06:10,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-06 23:06:10,523 INFO L130 BoogieDeclarations]: Found specification of procedure to_ir_state [2023-11-06 23:06:10,523 INFO L138 BoogieDeclarations]: Found implementation of procedure to_ir_state [2023-11-06 23:06:10,523 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_width_count_to_ns [2023-11-06 23:06:10,523 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_width_count_to_ns [2023-11-06 23:06:10,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_53 [2023-11-06 23:06:10,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_53 [2023-11-06 23:06:10,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-06 23:06:10,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-06 23:06:10,524 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2023-11-06 23:06:10,524 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2023-11-06 23:06:10,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rx_kfifo_lock_of_cx25840_ir_state [2023-11-06 23:06:10,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rx_kfifo_lock_of_cx25840_ir_state [2023-11-06 23:06:10,525 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2023-11-06 23:06:10,525 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2023-11-06 23:06:10,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-06 23:06:10,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-06 23:06:10,526 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_sliced_fmt [2023-11-06 23:06:10,526 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_sliced_fmt [2023-11-06 23:06:10,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 23:06:10,526 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2023-11-06 23:06:10,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2023-11-06 23:06:10,526 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_resolution [2023-11-06 23:06:10,527 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_resolution [2023-11-06 23:06:10,527 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-11-06 23:06:10,527 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-11-06 23:06:10,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-06 23:06:10,527 INFO L130 BoogieDeclarations]: Found specification of procedure cx25836_initialize [2023-11-06 23:06:10,527 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25836_initialize [2023-11-06 23:06:10,528 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_write4 [2023-11-06 23:06:10,528 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_write4 [2023-11-06 23:06:10,528 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ext_ctrls [2023-11-06 23:06:10,528 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ext_ctrls [2023-11-06 23:06:10,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-06 23:06:10,528 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_frequency [2023-11-06 23:06:10,529 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_frequency [2023-11-06 23:06:10,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-06 23:06:10,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-06 23:06:10,529 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_std_setup [2023-11-06 23:06:10,529 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_std_setup [2023-11-06 23:06:10,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 23:06:10,530 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2023-11-06 23:06:10,530 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2023-11-06 23:06:10,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-06 23:06:10,530 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-06 23:06:10,530 INFO L130 BoogieDeclarations]: Found specification of procedure control_tx_modulation_enable [2023-11-06 23:06:10,530 INFO L138 BoogieDeclarations]: Found implementation of procedure control_tx_modulation_enable [2023-11-06 23:06:10,531 INFO L130 BoogieDeclarations]: Found specification of procedure cx23885_initialize [2023-11-06 23:06:10,531 INFO L138 BoogieDeclarations]: Found implementation of procedure cx23885_initialize [2023-11-06 23:06:10,531 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_raw_fmt [2023-11-06 23:06:10,531 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_raw_fmt [2023-11-06 23:06:10,531 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_and_or [2023-11-06 23:06:10,531 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_and_or [2023-11-06 23:06:10,532 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ctrl [2023-11-06 23:06:10,532 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ctrl [2023-11-06 23:06:10,532 INFO L130 BoogieDeclarations]: Found specification of procedure set_audclk_freq [2023-11-06 23:06:10,532 INFO L138 BoogieDeclarations]: Found implementation of procedure set_audclk_freq [2023-11-06 23:06:10,532 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_g_parameters [2023-11-06 23:06:10,532 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_g_parameters [2023-11-06 23:06:10,533 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_initialize [2023-11-06 23:06:10,533 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_initialize [2023-11-06 23:06:10,533 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_input_status [2023-11-06 23:06:10,533 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_input_status [2023-11-06 23:06:10,533 INFO L130 BoogieDeclarations]: Found specification of procedure lpf_count_to_ns [2023-11-06 23:06:10,533 INFO L138 BoogieDeclarations]: Found implementation of procedure lpf_count_to_ns [2023-11-06 23:06:10,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-06 23:06:10,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-06 23:06:10,534 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_set_audclk_freq [2023-11-06 23:06:10,534 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_set_audclk_freq [2023-11-06 23:06:10,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 23:06:10,534 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_width_count_to_us [2023-11-06 23:06:10,534 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_width_count_to_us [2023-11-06 23:06:10,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:06:10,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-06 23:06:10,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-06 23:06:10,535 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-06 23:06:10,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-06 23:06:10,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 23:06:10,536 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-06 23:06:10,536 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2023-11-06 23:06:10,536 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2023-11-06 23:06:10,536 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_decode_vbi_line [2023-11-06 23:06:10,536 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_decode_vbi_line [2023-11-06 23:06:10,536 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_clocks_to_clock_divider [2023-11-06 23:06:10,537 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_clocks_to_clock_divider [2023-11-06 23:06:10,537 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx231xx [2023-11-06 23:06:10,537 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx231xx [2023-11-06 23:06:10,537 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2023-11-06 23:06:10,537 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2023-11-06 23:06:10,537 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_probe [2023-11-06 23:06:10,537 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_probe [2023-11-06 23:06:10,538 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-06 23:06:10,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-06 23:06:10,538 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-06 23:06:10,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-06 23:06:10,538 INFO L130 BoogieDeclarations]: Found specification of procedure odd_parity [2023-11-06 23:06:10,538 INFO L138 BoogieDeclarations]: Found implementation of procedure odd_parity [2023-11-06 23:06:10,539 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_enable [2023-11-06 23:06:10,539 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_enable [2023-11-06 23:06:10,539 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-06 23:06:10,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-06 23:06:10,539 INFO L130 BoogieDeclarations]: Found specification of procedure filter_rx_s_min_width [2023-11-06 23:06:10,539 INFO L138 BoogieDeclarations]: Found implementation of procedure filter_rx_s_min_width [2023-11-06 23:06:10,540 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_shutdown [2023-11-06 23:06:10,540 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_shutdown [2023-11-06 23:06:10,540 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-11-06 23:06:10,540 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-11-06 23:06:10,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:06:10,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:06:10,540 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ctrl [2023-11-06 23:06:10,541 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ctrl [2023-11-06 23:06:10,541 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_s_parameters [2023-11-06 23:06:10,541 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_s_parameters [2023-11-06 23:06:10,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-06 23:06:10,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-06 23:06:10,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-06 23:06:10,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-06 23:06:10,542 INFO L130 BoogieDeclarations]: Found specification of procedure input_change [2023-11-06 23:06:10,542 INFO L138 BoogieDeclarations]: Found implementation of procedure input_change [2023-11-06 23:06:10,542 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_g_parameters [2023-11-06 23:06:10,542 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_g_parameters [2023-11-06 23:06:10,542 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_querymenu [2023-11-06 23:06:10,542 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_querymenu [2023-11-06 23:06:10,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-06 23:06:10,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-06 23:06:10,543 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-06 23:06:10,543 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-06 23:06:10,543 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_probe [2023-11-06 23:06:10,543 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_probe [2023-11-06 23:06:10,544 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2023-11-06 23:06:10,544 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2023-11-06 23:06:10,544 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_shutdown [2023-11-06 23:06:10,544 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_shutdown [2023-11-06 23:06:10,544 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-06 23:06:10,544 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-06 23:06:10,544 INFO L130 BoogieDeclarations]: Found specification of procedure control_tx_enable [2023-11-06 23:06:10,545 INFO L138 BoogieDeclarations]: Found implementation of procedure control_tx_enable [2023-11-06 23:06:10,545 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-06 23:06:10,545 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-06 23:06:10,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-06 23:06:10,545 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-06 23:06:10,545 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_freq_to_clock_divider [2023-11-06 23:06:10,546 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_freq_to_clock_divider [2023-11-06 23:06:10,546 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_demodulation_enable [2023-11-06 23:06:10,546 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_demodulation_enable [2023-11-06 23:06:10,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-11-06 23:06:10,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-11-06 23:06:10,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 23:06:10,547 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-06 23:06:10,547 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-06 23:06:10,547 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_write [2023-11-06 23:06:10,547 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_write [2023-11-06 23:06:10,547 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2023-11-06 23:06:10,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2023-11-06 23:06:10,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 23:06:10,548 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_mbus_fmt [2023-11-06 23:06:10,548 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_mbus_fmt [2023-11-06 23:06:10,548 INFO L130 BoogieDeclarations]: Found specification of procedure set_volume [2023-11-06 23:06:10,548 INFO L138 BoogieDeclarations]: Found implementation of procedure set_volume [2023-11-06 23:06:10,549 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_initialize [2023-11-06 23:06:10,549 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_initialize [2023-11-06 23:06:10,549 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ext_ctrls [2023-11-06 23:06:10,549 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ext_ctrls [2023-11-06 23:06:10,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 23:06:10,549 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-06 23:06:10,550 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-06 23:06:10,550 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-11-06 23:06:10,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-11-06 23:06:10,550 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-06 23:06:10,550 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-06 23:06:10,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-06 23:06:10,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-06 23:06:10,551 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-06 23:06:10,551 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-06 23:06:10,551 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_try_ext_ctrls [2023-11-06 23:06:10,551 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_try_ext_ctrls [2023-11-06 23:06:10,551 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata___0 [2023-11-06 23:06:10,551 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata___0 [2023-11-06 23:06:10,551 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2023-11-06 23:06:10,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2023-11-06 23:06:10,552 INFO L130 BoogieDeclarations]: Found specification of procedure irqenable_tx [2023-11-06 23:06:10,552 INFO L138 BoogieDeclarations]: Found implementation of procedure irqenable_tx [2023-11-06 23:06:10,552 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_queryctrl [2023-11-06 23:06:10,552 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_queryctrl [2023-11-06 23:06:10,552 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_freq [2023-11-06 23:06:10,552 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_freq [2023-11-06 23:06:10,553 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_std [2023-11-06 23:06:10,553 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_std [2023-11-06 23:06:10,553 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_s_parameters [2023-11-06 23:06:10,553 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_s_parameters [2023-11-06 23:06:10,553 INFO L130 BoogieDeclarations]: Found specification of procedure to_state [2023-11-06 23:06:10,553 INFO L138 BoogieDeclarations]: Found implementation of procedure to_state [2023-11-06 23:06:10,553 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_register [2023-11-06 23:06:10,554 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_register [2023-11-06 23:06:10,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 23:06:10,554 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_register [2023-11-06 23:06:10,554 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_register [2023-11-06 23:06:10,554 INFO L130 BoogieDeclarations]: Found specification of procedure set_input [2023-11-06 23:06:10,554 INFO L138 BoogieDeclarations]: Found implementation of procedure set_input [2023-11-06 23:06:10,555 INFO L130 BoogieDeclarations]: Found specification of procedure cx23888_std_setup [2023-11-06 23:06:10,555 INFO L138 BoogieDeclarations]: Found implementation of procedure cx23888_std_setup [2023-11-06 23:06:10,555 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2023-11-06 23:06:10,555 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2023-11-06 23:06:10,555 INFO L130 BoogieDeclarations]: Found specification of procedure irqenable_rx [2023-11-06 23:06:10,555 INFO L138 BoogieDeclarations]: Found implementation of procedure irqenable_rx [2023-11-06 23:06:10,555 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_and_or4 [2023-11-06 23:06:10,556 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_and_or4 [2023-11-06 23:06:10,556 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_read [2023-11-06 23:06:10,556 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_read [2023-11-06 23:06:10,556 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_sliced_fmt [2023-11-06 23:06:10,556 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_sliced_fmt [2023-11-06 23:06:10,556 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2023-11-06 23:06:10,557 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send [2023-11-06 23:06:10,557 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_adapter_id [2023-11-06 23:06:10,557 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_adapter_id [2023-11-06 23:06:10,557 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_carrier_freq [2023-11-06 23:06:10,557 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_carrier_freq [2023-11-06 23:06:10,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-06 23:06:10,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-06 23:06:10,558 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_s_edge_detection [2023-11-06 23:06:10,558 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_s_edge_detection [2023-11-06 23:06:10,558 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2023-11-06 23:06:10,558 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2023-11-06 23:06:10,558 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_read4 [2023-11-06 23:06:10,558 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_read4 [2023-11-06 23:06:10,558 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-06 23:06:10,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-06 23:06:10,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 23:06:10,559 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-11-06 23:06:10,559 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-11-06 23:06:10,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-06 23:06:10,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-06 23:06:10,559 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23885 [2023-11-06 23:06:10,560 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23885 [2023-11-06 23:06:10,560 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_pulse_clocks [2023-11-06 23:06:10,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_pulse_clocks [2023-11-06 23:06:10,560 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23888 [2023-11-06 23:06:10,560 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23888 [2023-11-06 23:06:10,560 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23887 [2023-11-06 23:06:10,560 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23887 [2023-11-06 23:06:12,239 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:06:12,244 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:06:13,226 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-06 23:07:28,451 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:07:28,506 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:07:28,507 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 23:07:28,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:07:28 BoogieIcfgContainer [2023-11-06 23:07:28,519 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:07:28,523 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:07:28,523 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:07:28,527 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:07:28,527 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:06:03" (1/3) ... [2023-11-06 23:07:28,529 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20c5c59f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:07:28, skipping insertion in model container [2023-11-06 23:07:28,530 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:08" (2/3) ... [2023-11-06 23:07:28,531 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20c5c59f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:07:28, skipping insertion in model container [2023-11-06 23:07:28,531 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:07:28" (3/3) ... [2023-11-06 23:07:28,532 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i [2023-11-06 23:07:28,553 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:07:28,557 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-06 23:07:28,794 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:07:28,801 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;@5467f308, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:07:28,801 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-06 23:07:28,836 INFO L276 IsEmpty]: Start isEmpty. Operand has 9111 states, 5410 states have (on average 1.212569316081331) internal successors, (6560), 5437 states have internal predecessors, (6560), 3579 states have call successors, (3579), 119 states have call predecessors, (3579), 118 states have return successors, (3576), 3564 states have call predecessors, (3576), 3576 states have call successors, (3576) [2023-11-06 23:07:28,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-06 23:07:28,847 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:07:28,848 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 23:07:28,849 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 23:07:28,854 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:07:28,854 INFO L85 PathProgramCache]: Analyzing trace with hash -279594817, now seen corresponding path program 1 times [2023-11-06 23:07:28,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:07:28,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204783346] [2023-11-06 23:07:28,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:07:28,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:07:29,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:30,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-06 23:07:30,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:30,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 23:07:30,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:30,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 23:07:30,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:30,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:07:30,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:30,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 23:07:30,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:30,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 23:07:30,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:30,738 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 23:07:30,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:07:30,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204783346] [2023-11-06 23:07:30,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204783346] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:07:30,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:07:30,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:07:30,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611876425] [2023-11-06 23:07:30,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:07:30,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:07:30,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:07:30,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:07:30,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:07:30,830 INFO L87 Difference]: Start difference. First operand has 9111 states, 5410 states have (on average 1.212569316081331) internal successors, (6560), 5437 states have internal predecessors, (6560), 3579 states have call successors, (3579), 119 states have call predecessors, (3579), 118 states have return successors, (3576), 3564 states have call predecessors, (3576), 3576 states have call successors, (3576) 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 23:07:32,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:07:32,075 INFO L93 Difference]: Finished difference Result 18198 states and 27465 transitions. [2023-11-06 23:07:32,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:07:32,078 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 23:07:32,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:07:32,226 INFO L225 Difference]: With dead ends: 18198 [2023-11-06 23:07:32,227 INFO L226 Difference]: Without dead ends: 9103 [2023-11-06 23:07:32,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:07:32,329 INFO L413 NwaCegarLoop]: 13666 mSDtfsCounter, 13649 mSDsluCounter, 27322 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13657 SdHoareTripleChecker+Valid, 40988 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:07:32,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13657 Valid, 40988 Invalid, 17 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:07:32,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9103 states. [2023-11-06 23:07:37,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9103 to 9103. [2023-11-06 23:07:37,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9103 states, 5406 states have (on average 1.2045874953755087) internal successors, (6512), 5432 states have internal predecessors, (6512), 3576 states have call successors, (3576), 119 states have call predecessors, (3576), 118 states have return successors, (3573), 3561 states have call predecessors, (3573), 3573 states have call successors, (3573) [2023-11-06 23:07:37,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9103 states to 9103 states and 13661 transitions. [2023-11-06 23:07:37,255 INFO L78 Accepts]: Start accepts. Automaton has 9103 states and 13661 transitions. Word has length 48 [2023-11-06 23:07:37,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:07:37,257 INFO L495 AbstractCegarLoop]: Abstraction has 9103 states and 13661 transitions. [2023-11-06 23:07:37,258 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 23:07:37,258 INFO L276 IsEmpty]: Start isEmpty. Operand 9103 states and 13661 transitions. [2023-11-06 23:07:37,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-06 23:07:37,262 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:07:37,262 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 23:07:37,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 23:07:37,263 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 23:07:37,263 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:07:37,263 INFO L85 PathProgramCache]: Analyzing trace with hash 579339374, now seen corresponding path program 1 times [2023-11-06 23:07:37,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:07:37,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796957567] [2023-11-06 23:07:37,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:07:37,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:07:37,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:38,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-06 23:07:38,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:38,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 23:07:38,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:38,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 23:07:38,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:38,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:07:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:38,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 23:07:38,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:38,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 23:07:38,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:38,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-06 23:07:38,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:38,301 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 23:07:38,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:07:38,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796957567] [2023-11-06 23:07:38,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796957567] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:07:38,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:07:38,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:07:38,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468472861] [2023-11-06 23:07:38,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:07:38,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:07:38,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:07:38,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:07:38,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:07:38,312 INFO L87 Difference]: Start difference. First operand 9103 states and 13661 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 23:07:39,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:07:39,163 INFO L93 Difference]: Finished difference Result 9109 states and 13666 transitions. [2023-11-06 23:07:39,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:07:39,164 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 23:07:39,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:07:39,257 INFO L225 Difference]: With dead ends: 9109 [2023-11-06 23:07:39,257 INFO L226 Difference]: Without dead ends: 9107 [2023-11-06 23:07:39,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 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 23:07:39,270 INFO L413 NwaCegarLoop]: 13658 mSDtfsCounter, 13634 mSDsluCounter, 27300 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13640 SdHoareTripleChecker+Valid, 40958 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:07:39,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13640 Valid, 40958 Invalid, 17 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:07:39,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9107 states. [2023-11-06 23:07:44,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9107 to 9107. [2023-11-06 23:07:44,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9107 states, 5409 states have (on average 1.2044740247735255) internal successors, (6515), 5435 states have internal predecessors, (6515), 3576 states have call successors, (3576), 120 states have call predecessors, (3576), 119 states have return successors, (3573), 3561 states have call predecessors, (3573), 3573 states have call successors, (3573) [2023-11-06 23:07:44,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9107 states to 9107 states and 13664 transitions. [2023-11-06 23:07:44,832 INFO L78 Accepts]: Start accepts. Automaton has 9107 states and 13664 transitions. Word has length 53 [2023-11-06 23:07:44,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:07:44,833 INFO L495 AbstractCegarLoop]: Abstraction has 9107 states and 13664 transitions. [2023-11-06 23:07:44,834 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 23:07:44,834 INFO L276 IsEmpty]: Start isEmpty. Operand 9107 states and 13664 transitions. [2023-11-06 23:07:44,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-06 23:07:44,842 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:07:44,843 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 23:07:44,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 23:07:44,844 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 23:07:44,844 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:07:44,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1154074079, now seen corresponding path program 1 times [2023-11-06 23:07:44,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:07:44,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077596469] [2023-11-06 23:07:44,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:07:44,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:07:45,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:45,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-06 23:07:45,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:45,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 23:07:45,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:45,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 23:07:45,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:45,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:07:45,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:45,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 23:07:45,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:45,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 23:07:45,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:45,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-06 23:07:45,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:45,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-06 23:07:45,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:45,892 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 23:07:45,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:07:45,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077596469] [2023-11-06 23:07:45,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077596469] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:07:45,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:07:45,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:07:45,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511635765] [2023-11-06 23:07:45,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:07:45,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:07:45,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:07:45,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:07:45,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:07:45,899 INFO L87 Difference]: Start difference. First operand 9107 states and 13664 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 23:07:46,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:07:46,755 INFO L93 Difference]: Finished difference Result 9113 states and 13669 transitions. [2023-11-06 23:07:46,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:07:46,769 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 23:07:46,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:07:46,869 INFO L225 Difference]: With dead ends: 9113 [2023-11-06 23:07:46,869 INFO L226 Difference]: Without dead ends: 9111 [2023-11-06 23:07:46,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 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 23:07:46,884 INFO L413 NwaCegarLoop]: 13658 mSDtfsCounter, 13634 mSDsluCounter, 27300 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13639 SdHoareTripleChecker+Valid, 40958 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:07:46,887 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13639 Valid, 40958 Invalid, 17 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:07:46,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9111 states. [2023-11-06 23:07:52,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9111 to 9111. [2023-11-06 23:07:52,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9111 states, 5412 states have (on average 1.204360679970436) internal successors, (6518), 5438 states have internal predecessors, (6518), 3576 states have call successors, (3576), 121 states have call predecessors, (3576), 120 states have return successors, (3573), 3561 states have call predecessors, (3573), 3573 states have call successors, (3573) [2023-11-06 23:07:52,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9111 states to 9111 states and 13667 transitions. [2023-11-06 23:07:52,832 INFO L78 Accepts]: Start accepts. Automaton has 9111 states and 13667 transitions. Word has length 58 [2023-11-06 23:07:52,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:07:52,833 INFO L495 AbstractCegarLoop]: Abstraction has 9111 states and 13667 transitions. [2023-11-06 23:07:52,833 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 23:07:52,834 INFO L276 IsEmpty]: Start isEmpty. Operand 9111 states and 13667 transitions. [2023-11-06 23:07:52,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-06 23:07:52,837 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:07:52,837 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 23:07:52,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 23:07:52,838 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 23:07:52,838 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:07:52,838 INFO L85 PathProgramCache]: Analyzing trace with hash 2070502094, now seen corresponding path program 1 times [2023-11-06 23:07:52,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:07:52,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326526844] [2023-11-06 23:07:52,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:07:52,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:07:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:53,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-06 23:07:53,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:53,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 23:07:53,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:53,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 23:07:53,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:53,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:07:53,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:53,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 23:07:53,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:53,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 23:07:53,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:53,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-06 23:07:53,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:53,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-06 23:07:53,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:53,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-06 23:07:53,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:53,995 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 23:07:53,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:07:53,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326526844] [2023-11-06 23:07:53,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326526844] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:07:53,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:07:53,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:07:53,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288908818] [2023-11-06 23:07:53,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:07:53,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:07:54,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:07:54,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:07:54,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:07:54,001 INFO L87 Difference]: Start difference. First operand 9111 states and 13667 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 23:07:54,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:07:54,905 INFO L93 Difference]: Finished difference Result 9117 states and 13672 transitions. [2023-11-06 23:07:54,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:07:54,906 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 23:07:54,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:07:54,966 INFO L225 Difference]: With dead ends: 9117 [2023-11-06 23:07:54,966 INFO L226 Difference]: Without dead ends: 9115 [2023-11-06 23:07:54,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 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 23:07:54,981 INFO L413 NwaCegarLoop]: 13658 mSDtfsCounter, 13634 mSDsluCounter, 27300 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13638 SdHoareTripleChecker+Valid, 40958 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:07:54,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13638 Valid, 40958 Invalid, 17 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:07:55,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9115 states. [2023-11-06 23:08:01,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9115 to 9115. [2023-11-06 23:08:01,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9115 states, 5415 states have (on average 1.204247460757156) internal successors, (6521), 5441 states have internal predecessors, (6521), 3576 states have call successors, (3576), 122 states have call predecessors, (3576), 121 states have return successors, (3573), 3561 states have call predecessors, (3573), 3573 states have call successors, (3573) [2023-11-06 23:08:01,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9115 states to 9115 states and 13670 transitions. [2023-11-06 23:08:01,674 INFO L78 Accepts]: Start accepts. Automaton has 9115 states and 13670 transitions. Word has length 63 [2023-11-06 23:08:01,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:08:01,674 INFO L495 AbstractCegarLoop]: Abstraction has 9115 states and 13670 transitions. [2023-11-06 23:08:01,674 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 23:08:01,675 INFO L276 IsEmpty]: Start isEmpty. Operand 9115 states and 13670 transitions. [2023-11-06 23:08:01,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-06 23:08:01,676 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:08:01,676 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 23:08:01,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 23:08:01,677 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 23:08:01,677 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:08:01,677 INFO L85 PathProgramCache]: Analyzing trace with hash 796993942, now seen corresponding path program 1 times [2023-11-06 23:08:01,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:08:01,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268003511] [2023-11-06 23:08:01,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:08:01,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:08:01,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:02,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-06 23:08:02,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:02,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 23:08:02,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:02,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 23:08:02,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:02,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:08:02,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:02,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 23:08:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:02,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 23:08:02,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:02,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-06 23:08:02,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:02,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-06 23:08:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:02,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-06 23:08:02,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:02,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-06 23:08:02,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:02,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 23:08:02,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:02,737 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 23:08:02,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:08:02,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268003511] [2023-11-06 23:08:02,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268003511] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:08:02,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:08:02,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:08:02,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21895860] [2023-11-06 23:08:02,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:08:02,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:08:02,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:08:02,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:08:02,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:08:02,741 INFO L87 Difference]: Start difference. First operand 9115 states and 13670 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 23:08:03,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:08:03,685 INFO L93 Difference]: Finished difference Result 9121 states and 13675 transitions. [2023-11-06 23:08:03,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:08:03,685 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 23:08:03,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:08:03,747 INFO L225 Difference]: With dead ends: 9121 [2023-11-06 23:08:03,747 INFO L226 Difference]: Without dead ends: 9119 [2023-11-06 23:08:03,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 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 23:08:03,761 INFO L413 NwaCegarLoop]: 13658 mSDtfsCounter, 13627 mSDsluCounter, 27300 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13630 SdHoareTripleChecker+Valid, 40958 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:08:03,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13630 Valid, 40958 Invalid, 17 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:08:03,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9119 states. [2023-11-06 23:08:10,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9119 to 9119. [2023-11-06 23:08:10,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9119 states, 5418 states have (on average 1.2041343669250646) internal successors, (6524), 5444 states have internal predecessors, (6524), 3576 states have call successors, (3576), 123 states have call predecessors, (3576), 122 states have return successors, (3573), 3561 states have call predecessors, (3573), 3573 states have call successors, (3573) [2023-11-06 23:08:10,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9119 states to 9119 states and 13673 transitions. [2023-11-06 23:08:10,578 INFO L78 Accepts]: Start accepts. Automaton has 9119 states and 13673 transitions. Word has length 78 [2023-11-06 23:08:10,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:08:10,579 INFO L495 AbstractCegarLoop]: Abstraction has 9119 states and 13673 transitions. [2023-11-06 23:08:10,579 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 23:08:10,579 INFO L276 IsEmpty]: Start isEmpty. Operand 9119 states and 13673 transitions. [2023-11-06 23:08:10,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-06 23:08:10,581 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:08:10,581 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:08:10,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 23:08:10,582 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 23:08:10,582 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:08:10,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1152653010, now seen corresponding path program 1 times [2023-11-06 23:08:10,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:08:10,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816582970] [2023-11-06 23:08:10,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:08:10,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:08:10,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:11,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-06 23:08:11,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:11,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 23:08:11,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:11,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 23:08:11,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:11,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:08:11,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:11,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 23:08:11,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:11,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 23:08:11,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:11,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-06 23:08:11,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:11,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-06 23:08:11,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:11,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-06 23:08:11,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:11,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-06 23:08:11,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:11,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-06 23:08:11,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:11,620 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-11-06 23:08:11,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:08:11,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816582970] [2023-11-06 23:08:11,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816582970] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:08:11,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:08:11,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:08:11,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449915922] [2023-11-06 23:08:11,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:08:11,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:08:11,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:08:11,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:08:11,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:08:11,624 INFO L87 Difference]: Start difference. First operand 9119 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, (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 23:08:12,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:08:12,606 INFO L93 Difference]: Finished difference Result 9125 states and 13678 transitions. [2023-11-06 23:08:12,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:08:12,607 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 73 [2023-11-06 23:08:12,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:08:12,673 INFO L225 Difference]: With dead ends: 9125 [2023-11-06 23:08:12,673 INFO L226 Difference]: Without dead ends: 9123 [2023-11-06 23:08:12,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 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 23:08:12,687 INFO L413 NwaCegarLoop]: 13658 mSDtfsCounter, 13634 mSDsluCounter, 27300 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13636 SdHoareTripleChecker+Valid, 40958 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:08:12,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13636 Valid, 40958 Invalid, 17 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:08:12,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9123 states. [2023-11-06 23:08:19,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9123 to 9123. [2023-11-06 23:08:19,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9123 states, 5421 states have (on average 1.2040213982660026) internal successors, (6527), 5447 states have internal predecessors, (6527), 3576 states have call successors, (3576), 124 states have call predecessors, (3576), 123 states have return successors, (3573), 3561 states have call predecessors, (3573), 3573 states have call successors, (3573) [2023-11-06 23:08:19,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9123 states to 9123 states and 13676 transitions. [2023-11-06 23:08:19,875 INFO L78 Accepts]: Start accepts. Automaton has 9123 states and 13676 transitions. Word has length 73 [2023-11-06 23:08:19,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:08:19,876 INFO L495 AbstractCegarLoop]: Abstraction has 9123 states and 13676 transitions. [2023-11-06 23:08:19,876 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, (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 23:08:19,876 INFO L276 IsEmpty]: Start isEmpty. Operand 9123 states and 13676 transitions. [2023-11-06 23:08:19,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-06 23:08:19,879 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:08:19,879 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:08:19,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 23:08:19,880 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 23:08:19,880 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:08:19,880 INFO L85 PathProgramCache]: Analyzing trace with hash 116078623, now seen corresponding path program 1 times [2023-11-06 23:08:19,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:08:19,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847435450] [2023-11-06 23:08:19,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:08:19,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:08:20,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:20,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-06 23:08:20,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:20,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 23:08:20,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:20,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 23:08:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:20,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:08:20,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:20,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 23:08:20,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:20,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 23:08:20,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:20,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-06 23:08:20,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:20,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-06 23:08:20,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:20,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-06 23:08:20,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:20,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-06 23:08:20,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:20,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-06 23:08:20,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:20,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 23:08:20,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:20,884 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-11-06 23:08:20,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:08:20,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847435450] [2023-11-06 23:08:20,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847435450] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:08:20,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:08:20,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:08:20,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81423932] [2023-11-06 23:08:20,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:08:20,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:08:20,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:08:20,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:08:20,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:08:20,888 INFO L87 Difference]: Start difference. First operand 9123 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, (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 23:08:22,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:08:22,034 INFO L93 Difference]: Finished difference Result 9136 states and 13686 transitions. [2023-11-06 23:08:22,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:08:22,035 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, (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 78 [2023-11-06 23:08:22,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:08:22,093 INFO L225 Difference]: With dead ends: 9136 [2023-11-06 23:08:22,094 INFO L226 Difference]: Without dead ends: 9132 [2023-11-06 23:08:22,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 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 23:08:22,106 INFO L413 NwaCegarLoop]: 13658 mSDtfsCounter, 13592 mSDsluCounter, 27339 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13593 SdHoareTripleChecker+Valid, 40997 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:08:22,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13593 Valid, 40997 Invalid, 31 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:08:22,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9132 states. [2023-11-06 23:08:28,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9132 to 9132. [2023-11-06 23:08:28,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9132 states, 5428 states have (on average 1.2035740604274134) internal successors, (6533), 5453 states have internal predecessors, (6533), 3576 states have call successors, (3576), 127 states have call predecessors, (3576), 125 states have return successors, (3573), 3561 states have call predecessors, (3573), 3573 states have call successors, (3573) [2023-11-06 23:08:28,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9132 states to 9132 states and 13682 transitions. [2023-11-06 23:08:28,744 INFO L78 Accepts]: Start accepts. Automaton has 9132 states and 13682 transitions. Word has length 78 [2023-11-06 23:08:28,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:08:28,744 INFO L495 AbstractCegarLoop]: Abstraction has 9132 states and 13682 transitions. [2023-11-06 23:08:28,744 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, (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 23:08:28,745 INFO L276 IsEmpty]: Start isEmpty. Operand 9132 states and 13682 transitions. [2023-11-06 23:08:28,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-06 23:08:28,747 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:08:28,747 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 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, 1, 1, 1, 1] [2023-11-06 23:08:28,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 23:08:28,747 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 23:08:28,748 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:08:28,748 INFO L85 PathProgramCache]: Analyzing trace with hash -451002345, now seen corresponding path program 1 times [2023-11-06 23:08:28,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:08:28,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886591424] [2023-11-06 23:08:28,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:08:28,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:08:29,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:29,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-06 23:08:29,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:29,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 23:08:29,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:29,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 23:08:29,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:29,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:08:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:29,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 23:08:29,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:29,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 23:08:29,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:29,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-06 23:08:29,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:29,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-06 23:08:29,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:29,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-06 23:08:29,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:29,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-06 23:08:29,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:29,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 23:08:29,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:29,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-06 23:08:29,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:29,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-06 23:08:29,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:29,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-06 23:08:29,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:29,780 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-11-06 23:08:29,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:08:29,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886591424] [2023-11-06 23:08:29,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886591424] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:08:29,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:08:29,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:08:29,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009735286] [2023-11-06 23:08:29,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:08:29,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:08:29,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:08:29,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:08:29,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:08:29,784 INFO L87 Difference]: Start difference. First operand 9132 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, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-06 23:08:30,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:08:30,910 INFO L93 Difference]: Finished difference Result 9132 states and 13682 transitions. [2023-11-06 23:08:30,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:08:30,910 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, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 93 [2023-11-06 23:08:30,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:08:30,971 INFO L225 Difference]: With dead ends: 9132 [2023-11-06 23:08:30,972 INFO L226 Difference]: Without dead ends: 8984 [2023-11-06 23:08:30,984 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 29 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 23:08:30,985 INFO L413 NwaCegarLoop]: 13656 mSDtfsCounter, 13623 mSDsluCounter, 27299 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13623 SdHoareTripleChecker+Valid, 40955 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:08:30,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13623 Valid, 40955 Invalid, 12 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:08:31,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8984 states. [2023-11-06 23:08:37,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8984 to 8984. [2023-11-06 23:08:37,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8984 states, 5330 states have (on average 1.2039399624765479) internal successors, (6417), 5352 states have internal predecessors, (6417), 3536 states have call successors, (3536), 116 states have call predecessors, (3536), 116 states have return successors, (3536), 3524 states have call predecessors, (3536), 3536 states have call successors, (3536) [2023-11-06 23:08:37,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8984 states to 8984 states and 13489 transitions. [2023-11-06 23:08:37,232 INFO L78 Accepts]: Start accepts. Automaton has 8984 states and 13489 transitions. Word has length 93 [2023-11-06 23:08:37,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:08:37,232 INFO L495 AbstractCegarLoop]: Abstraction has 8984 states and 13489 transitions. [2023-11-06 23:08:37,233 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, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-06 23:08:37,233 INFO L276 IsEmpty]: Start isEmpty. Operand 8984 states and 13489 transitions. [2023-11-06 23:08:37,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-06 23:08:37,243 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:08:37,244 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:08:37,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 23:08:37,244 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 23:08:37,245 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:08:37,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1090318284, now seen corresponding path program 1 times [2023-11-06 23:08:37,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:08:37,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585813308] [2023-11-06 23:08:37,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:08:37,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:08:37,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:38,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-06 23:08:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:38,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 23:08:38,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:38,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 23:08:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:38,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:08:38,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:38,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 23:08:38,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:38,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 23:08:38,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:38,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-06 23:08:38,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:38,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-06 23:08:38,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:38,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:08:38,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:39,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 23:08:39,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:39,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 23:08:39,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:39,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-06 23:08:39,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:39,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-06 23:08:39,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:39,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:08:39,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:39,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 23:08:39,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:39,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 23:08:39,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:39,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-06 23:08:39,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:39,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:08:39,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:39,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 23:08:39,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:39,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 23:08:39,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:39,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-06 23:08:39,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:39,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:08:39,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:39,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-06 23:08:39,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:39,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-06 23:08:39,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:39,309 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2023-11-06 23:08:39,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:08:39,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585813308] [2023-11-06 23:08:39,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585813308] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:08:39,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:08:39,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 23:08:39,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400835164] [2023-11-06 23:08:39,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:08:39,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:08:39,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:08:39,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:08:39,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:08:39,314 INFO L87 Difference]: Start difference. First operand 8984 states and 13489 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-06 23:08:44,365 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 [] [2023-11-06 23:08:46,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:08:48,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:08:51,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:09:07,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:09:07,984 INFO L93 Difference]: Finished difference Result 9027 states and 13557 transitions. [2023-11-06 23:09:07,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 23:09:07,985 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 166 [2023-11-06 23:09:07,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:09:08,032 INFO L225 Difference]: With dead ends: 9027 [2023-11-06 23:09:08,032 INFO L226 Difference]: Without dead ends: 9025 [2023-11-06 23:09:08,038 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-06 23:09:08,042 INFO L413 NwaCegarLoop]: 13092 mSDtfsCounter, 13527 mSDsluCounter, 34134 mSDsCounter, 0 mSdLazyCounter, 2480 mSolverCounterSat, 3863 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13904 SdHoareTripleChecker+Valid, 47226 SdHoareTripleChecker+Invalid, 6347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3863 IncrementalHoareTripleChecker+Valid, 2480 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.4s IncrementalHoareTripleChecker+Time [2023-11-06 23:09:08,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13904 Valid, 47226 Invalid, 6347 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3863 Valid, 2480 Invalid, 4 Unknown, 0 Unchecked, 27.4s Time] [2023-11-06 23:09:08,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9025 states. [2023-11-06 23:09:14,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9025 to 8982. [2023-11-06 23:09:14,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8982 states, 5329 states have (on average 1.203790579846125) internal successors, (6415), 5350 states have internal predecessors, (6415), 3536 states have call successors, (3536), 116 states have call predecessors, (3536), 116 states have return successors, (3536), 3524 states have call predecessors, (3536), 3536 states have call successors, (3536) [2023-11-06 23:09:14,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8982 states to 8982 states and 13487 transitions. [2023-11-06 23:09:14,813 INFO L78 Accepts]: Start accepts. Automaton has 8982 states and 13487 transitions. Word has length 166 [2023-11-06 23:09:14,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:09:14,814 INFO L495 AbstractCegarLoop]: Abstraction has 8982 states and 13487 transitions. [2023-11-06 23:09:14,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-06 23:09:14,814 INFO L276 IsEmpty]: Start isEmpty. Operand 8982 states and 13487 transitions. [2023-11-06 23:09:14,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-11-06 23:09:14,829 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:09:14,830 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:09:14,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 23:09:14,830 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 23:09:14,830 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:14,831 INFO L85 PathProgramCache]: Analyzing trace with hash 2067565963, now seen corresponding path program 1 times [2023-11-06 23:09:14,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:14,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909414300] [2023-11-06 23:09:14,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:14,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:15,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:15,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-06 23:09:15,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:15,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 23:09:15,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:15,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 23:09:15,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:15,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:09:15,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:15,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 23:09:15,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:15,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 23:09:15,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:15,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-06 23:09:15,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:16,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-06 23:09:16,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:16,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:09:16,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:16,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 23:09:16,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:16,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 23:09:16,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:16,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-06 23:09:16,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:16,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-06 23:09:16,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:16,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:09:16,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:16,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 23:09:16,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:16,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 23:09:16,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:16,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-06 23:09:16,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:16,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:09:16,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:16,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 23:09:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:16,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 23:09:16,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:16,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-06 23:09:16,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:16,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:09:16,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:16,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-06 23:09:16,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:16,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-06 23:09:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:16,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-06 23:09:16,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:16,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-11-06 23:09:16,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:16,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 23:09:16,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:16,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-06 23:09:16,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:16,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-06 23:09:16,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:16,371 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2023-11-06 23:09:16,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:16,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909414300] [2023-11-06 23:09:16,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909414300] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:09:16,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:09:16,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 23:09:16,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611782377] [2023-11-06 23:09:16,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:09:16,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 23:09:16,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:16,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 23:09:16,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:09:16,374 INFO L87 Difference]: Start difference. First operand 8982 states and 13487 transitions. Second operand has 7 states, 6 states have (on average 14.166666666666666) internal successors, (85), 4 states have internal predecessors, (85), 3 states have call successors, (25), 5 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2023-11-06 23:09:24,546 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 [] [2023-11-06 23:09:26,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:09:29,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:09:31,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:09:33,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []