./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --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 7d3d6fae331941e7aeb3ae8634b57ab7fbe899fba4d7b00d559e126b42e6ea03 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 15:10:42,783 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 15:10:42,875 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-11 15:10:42,881 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 15:10:42,883 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 15:10:42,921 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 15:10:42,923 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 15:10:42,924 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 15:10:42,924 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 15:10:42,926 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 15:10:42,926 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 15:10:42,927 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 15:10:42,928 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 15:10:42,928 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 15:10:42,930 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 15:10:42,930 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 15:10:42,930 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 15:10:42,931 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 15:10:42,931 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 15:10:42,931 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 15:10:42,931 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 15:10:42,935 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 15:10:42,936 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 15:10:42,936 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 15:10:42,936 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 15:10:42,936 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 15:10:42,937 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 15:10:42,937 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 15:10:42,937 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 15:10:42,937 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 15:10:42,938 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 15:10:42,938 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 15:10:42,938 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 15:10:42,938 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 15:10:42,938 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 15:10:42,938 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 15:10:42,939 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 15:10:42,939 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 15:10:42,941 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 15:10:42,942 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:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d3d6fae331941e7aeb3ae8634b57ab7fbe899fba4d7b00d559e126b42e6ea03 [2024-10-11 15:10:43,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 15:10:43,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 15:10:43,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 15:10:43,233 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 15:10:43,233 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 15:10:43,235 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i [2024-10-11 15:10:44,711 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 15:10:45,169 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 15:10:45,170 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i [2024-10-11 15:10:45,208 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/c45e00381/115eec168e1a48579d3bb26855954373/FLAG38db19848 [2024-10-11 15:10:45,222 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/c45e00381/115eec168e1a48579d3bb26855954373 [2024-10-11 15:10:45,225 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 15:10:45,226 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 15:10:45,229 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 15:10:45,230 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 15:10:45,235 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 15:10:45,236 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:10:45" (1/1) ... [2024-10-11 15:10:45,237 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24b1542b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:10:45, skipping insertion in model container [2024-10-11 15:10:45,238 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:10:45" (1/1) ... [2024-10-11 15:10:45,357 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 15:10:46,911 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i[185143,185156] [2024-10-11 15:10:47,087 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 15:10:47,124 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 15:10:47,279 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [4935] [2024-10-11 15:10:47,281 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [4942] [2024-10-11 15:10:47,330 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)buf->vb.queue.next) [5294] [2024-10-11 15:10:47,376 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)d->drvlist.next) [5768] [2024-10-11 15:10:47,430 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)dev->devlist.next) [5925] [2024-10-11 15:10:47,441 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)dev->devlist.next) [5987] [2024-10-11 15:10:47,468 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i[185143,185156] [2024-10-11 15:10:47,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 15:10:47,551 INFO L204 MainTranslator]: Completed translation [2024-10-11 15:10:47,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:10:47 WrapperNode [2024-10-11 15:10:47,552 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 15:10:47,554 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 15:10:47,554 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 15:10:47,555 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 15:10:47,562 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:10:47" (1/1) ... [2024-10-11 15:10:47,631 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:10:47" (1/1) ... [2024-10-11 15:10:47,757 INFO L138 Inliner]: procedures = 183, calls = 973, calls flagged for inlining = 82, calls inlined = 60, statements flattened = 1847 [2024-10-11 15:10:47,758 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 15:10:47,758 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 15:10:47,758 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 15:10:47,759 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 15:10:47,769 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:10:47" (1/1) ... [2024-10-11 15:10:47,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:10:47" (1/1) ... [2024-10-11 15:10:47,781 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:10:47" (1/1) ... [2024-10-11 15:10:48,129 INFO L175 MemorySlicer]: Split 390 memory accesses to 13 slices as follows [2, 4, 7, 40, 4, 7, 2, 8, 233, 7, 32, 37, 7]. 60 percent of accesses are in the largest equivalence class. The 157 initializations are split as follows [2, 4, 7, 40, 4, 7, 0, 8, 2, 7, 32, 37, 7]. The 40 writes are split as follows [0, 0, 0, 0, 0, 0, 1, 0, 39, 0, 0, 0, 0]. [2024-10-11 15:10:48,132 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:10:47" (1/1) ... [2024-10-11 15:10:48,133 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:10:47" (1/1) ... [2024-10-11 15:10:48,252 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:10:47" (1/1) ... [2024-10-11 15:10:48,263 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:10:47" (1/1) ... [2024-10-11 15:10:48,284 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:10:47" (1/1) ... [2024-10-11 15:10:48,299 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:10:47" (1/1) ... [2024-10-11 15:10:48,327 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 15:10:48,328 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 15:10:48,328 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 15:10:48,328 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 15:10:48,329 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:10:47" (1/1) ... [2024-10-11 15:10:48,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 15:10:48,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 15:10:48,367 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 15:10:48,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 15:10:48,419 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2024-10-11 15:10:48,421 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2024-10-11 15:10:48,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-11 15:10:48,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-11 15:10:48,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-11 15:10:48,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-11 15:10:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-11 15:10:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-11 15:10:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-11 15:10:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-11 15:10:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-10-11 15:10:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-10-11 15:10:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-10-11 15:10:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-10-11 15:10:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-10-11 15:10:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_restart_queue [2024-10-11 15:10:48,422 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_restart_queue [2024-10-11 15:10:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 15:10:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 15:10:48,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 15:10:48,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 15:10:48,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-11 15:10:48,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-11 15:10:48,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-11 15:10:48,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-11 15:10:48,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-11 15:10:48,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-11 15:10:48,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-11 15:10:48,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-11 15:10:48,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-11 15:10:48,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_cx88_core [2024-10-11 15:10:48,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_cx88_core [2024-10-11 15:10:48,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_cx88_core [2024-10-11 15:10:48,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_cx88_core [2024-10-11 15:10:48,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-11 15:10:48,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-11 15:10:48,424 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2024-10-11 15:10:48,424 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2024-10-11 15:10:48,424 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-10-11 15:10:48,424 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-10-11 15:10:48,424 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-10-11 15:10:48,424 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-10-11 15:10:48,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 15:10:48,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 15:10:48,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 15:10:48,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 15:10:48,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-11 15:10:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-11 15:10:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-11 15:10:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-11 15:10:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-11 15:10:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-11 15:10:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-11 15:10:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-11 15:10:48,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-11 15:10:48,427 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-10-11 15:10:48,427 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-10-11 15:10:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-10-11 15:10:48,428 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-10-11 15:10:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-11 15:10:48,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-11 15:10:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2024-10-11 15:10:48,430 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2024-10-11 15:10:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 15:10:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-10-11 15:10:48,430 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-10-11 15:10:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-10-11 15:10:48,430 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-10-11 15:10:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 15:10:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2024-10-11 15:10:48,431 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2024-10-11 15:10:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-10-11 15:10:48,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-10-11 15:10:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 15:10:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 15:10:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 15:10:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-11 15:10:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-11 15:10:48,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-11 15:10:48,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-11 15:10:48,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-11 15:10:48,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-11 15:10:48,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-11 15:10:48,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-11 15:10:48,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-11 15:10:48,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-11 15:10:48,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-11 15:10:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-10-11 15:10:48,435 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-10-11 15:10:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure do_cancel_buffers [2024-10-11 15:10:48,435 INFO L138 BoogieDeclarations]: Found implementation of procedure do_cancel_buffers [2024-10-11 15:10:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_start_dma [2024-10-11 15:10:48,435 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_start_dma [2024-10-11 15:10:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-10-11 15:10:48,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-10-11 15:10:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-11 15:10:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-11 15:10:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-11 15:10:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-11 15:10:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-11 15:10:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-11 15:10:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-11 15:10:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-11 15:10:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-11 15:10:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-11 15:10:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-11 15:10:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-11 15:10:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-11 15:10:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-10-11 15:10:48,436 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-10-11 15:10:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_core_put [2024-10-11 15:10:48,436 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_core_put [2024-10-11 15:10:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_stop_dma [2024-10-11 15:10:48,436 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_stop_dma [2024-10-11 15:10:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-10-11 15:10:48,436 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-10-11 15:10:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 15:10:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_request_acquire [2024-10-11 15:10:48,437 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_request_acquire [2024-10-11 15:10:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-11 15:10:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-11 15:10:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-11 15:10:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-11 15:10:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-11 15:10:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-11 15:10:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-11 15:10:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-11 15:10:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-11 15:10:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-11 15:10:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-11 15:10:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-11 15:10:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-11 15:10:48,438 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2024-10-11 15:10:48,438 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2024-10-11 15:10:48,438 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-11 15:10:48,438 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-11 15:10:48,438 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_request_release [2024-10-11 15:10:48,438 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_request_release [2024-10-11 15:10:48,438 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_dump [2024-10-11 15:10:48,438 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_dump [2024-10-11 15:10:48,440 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2024-10-11 15:10:48,440 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2024-10-11 15:10:48,440 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-10-11 15:10:48,440 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-10-11 15:10:48,441 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-10-11 15:10:48,442 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-10-11 15:10:48,443 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-10-11 15:10:48,443 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-10-11 15:10:48,443 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-10-11 15:10:48,443 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-10-11 15:10:48,443 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-10-11 15:10:48,443 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-10-11 15:10:48,443 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-10-11 15:10:48,445 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-10-11 15:10:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 15:10:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 15:10:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 15:10:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 15:10:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-11 15:10:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-11 15:10:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-11 15:10:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-11 15:10:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-11 15:10:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-11 15:10:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-11 15:10:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-11 15:10:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-11 15:10:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2024-10-11 15:10:48,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2024-10-11 15:10:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 15:10:48,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 15:10:48,939 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 15:10:48,942 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 15:10:50,518 INFO L? ?]: Removed 851 outVars from TransFormulas that were not future-live. [2024-10-11 15:10:50,518 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 15:10:50,681 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 15:10:50,681 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 15:10:50,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:10:50 BoogieIcfgContainer [2024-10-11 15:10:50,684 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 15:10:50,686 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 15:10:50,687 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 15:10:50,690 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 15:10:50,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 03:10:45" (1/3) ... [2024-10-11 15:10:50,691 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e8d0c39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:10:50, skipping insertion in model container [2024-10-11 15:10:50,691 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:10:47" (2/3) ... [2024-10-11 15:10:50,692 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e8d0c39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:10:50, skipping insertion in model container [2024-10-11 15:10:50,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:10:50" (3/3) ... [2024-10-11 15:10:50,694 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i [2024-10-11 15:10:50,711 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 15:10:50,711 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 15:10:50,807 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 15:10:50,815 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@64f3c233, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 15:10:50,816 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 15:10:50,823 INFO L276 IsEmpty]: Start isEmpty. Operand has 634 states, 419 states have (on average 1.369928400954654) internal successors, (574), 438 states have internal predecessors, (574), 176 states have call successors, (176), 37 states have call predecessors, (176), 37 states have return successors, (176), 170 states have call predecessors, (176), 176 states have call successors, (176) [2024-10-11 15:10:50,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-11 15:10:50,831 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:10:50,831 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:10:50,832 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:10:50,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:10:50,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1199244331, now seen corresponding path program 1 times [2024-10-11 15:10:50,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:10:50,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657117793] [2024-10-11 15:10:50,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:10:50,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:10:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:10:51,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:10:51,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:10:51,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:10:51,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:10:51,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 15:10:51,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:10:51,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657117793] [2024-10-11 15:10:51,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657117793] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:10:51,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:10:51,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 15:10:51,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153299190] [2024-10-11 15:10:51,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:10:51,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 15:10:51,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:10:51,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 15:10:51,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 15:10:51,510 INFO L87 Difference]: Start difference. First operand has 634 states, 419 states have (on average 1.369928400954654) internal successors, (574), 438 states have internal predecessors, (574), 176 states have call successors, (176), 37 states have call predecessors, (176), 37 states have return successors, (176), 170 states have call predecessors, (176), 176 states have call successors, (176) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 15:10:51,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:10:51,851 INFO L93 Difference]: Finished difference Result 1487 states and 2183 transitions. [2024-10-11 15:10:51,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 15:10:51,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 14 [2024-10-11 15:10:51,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:10:51,881 INFO L225 Difference]: With dead ends: 1487 [2024-10-11 15:10:51,882 INFO L226 Difference]: Without dead ends: 857 [2024-10-11 15:10:51,894 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 15:10:51,898 INFO L432 NwaCegarLoop]: 840 mSDtfsCounter, 765 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 765 SdHoareTripleChecker+Valid, 1257 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 15:10:51,900 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [765 Valid, 1257 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 15:10:51,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2024-10-11 15:10:52,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 855. [2024-10-11 15:10:52,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 855 states, 566 states have (on average 1.3286219081272084) internal successors, (752), 588 states have internal predecessors, (752), 234 states have call successors, (234), 55 states have call predecessors, (234), 54 states have return successors, (230), 218 states have call predecessors, (230), 230 states have call successors, (230) [2024-10-11 15:10:52,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 855 states and 1216 transitions. [2024-10-11 15:10:52,053 INFO L78 Accepts]: Start accepts. Automaton has 855 states and 1216 transitions. Word has length 14 [2024-10-11 15:10:52,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:10:52,054 INFO L471 AbstractCegarLoop]: Abstraction has 855 states and 1216 transitions. [2024-10-11 15:10:52,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 15:10:52,055 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1216 transitions. [2024-10-11 15:10:52,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-11 15:10:52,056 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:10:52,056 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:10:52,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 15:10:52,057 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:10:52,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:10:52,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1478491251, now seen corresponding path program 1 times [2024-10-11 15:10:52,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:10:52,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998877906] [2024-10-11 15:10:52,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:10:52,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:10:52,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:10:52,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:10:52,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:10:52,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:10:52,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:10:52,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 15:10:52,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:10:52,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998877906] [2024-10-11 15:10:52,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998877906] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:10:52,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:10:52,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 15:10:52,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402570094] [2024-10-11 15:10:52,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:10:52,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 15:10:52,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:10:52,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 15:10:52,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 15:10:52,324 INFO L87 Difference]: Start difference. First operand 855 states and 1216 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 15:10:52,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:10:52,482 INFO L93 Difference]: Finished difference Result 857 states and 1217 transitions. [2024-10-11 15:10:52,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 15:10:52,483 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2024-10-11 15:10:52,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:10:52,489 INFO L225 Difference]: With dead ends: 857 [2024-10-11 15:10:52,489 INFO L226 Difference]: Without dead ends: 854 [2024-10-11 15:10:52,490 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 15:10:52,491 INFO L432 NwaCegarLoop]: 838 mSDtfsCounter, 894 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 894 SdHoareTripleChecker+Valid, 838 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 15:10:52,492 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [894 Valid, 838 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 15:10:52,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2024-10-11 15:10:52,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 854. [2024-10-11 15:10:52,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 854 states, 566 states have (on average 1.3268551236749118) internal successors, (751), 587 states have internal predecessors, (751), 233 states have call successors, (233), 55 states have call predecessors, (233), 54 states have return successors, (230), 218 states have call predecessors, (230), 230 states have call successors, (230) [2024-10-11 15:10:52,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 854 states and 1214 transitions. [2024-10-11 15:10:52,538 INFO L78 Accepts]: Start accepts. Automaton has 854 states and 1214 transitions. Word has length 15 [2024-10-11 15:10:52,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:10:52,539 INFO L471 AbstractCegarLoop]: Abstraction has 854 states and 1214 transitions. [2024-10-11 15:10:52,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 15:10:52,539 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1214 transitions. [2024-10-11 15:10:52,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-11 15:10:52,540 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:10:52,540 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:10:52,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 15:10:52,540 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:10:52,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:10:52,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1411056494, now seen corresponding path program 1 times [2024-10-11 15:10:52,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:10:52,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56432308] [2024-10-11 15:10:52,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:10:52,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:10:52,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:10:52,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:10:52,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:10:52,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:10:52,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:10:52,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 15:10:52,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:10:52,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56432308] [2024-10-11 15:10:52,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56432308] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:10:52,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:10:52,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 15:10:52,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958973127] [2024-10-11 15:10:52,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:10:52,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 15:10:52,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:10:52,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 15:10:52,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 15:10:52,767 INFO L87 Difference]: Start difference. First operand 854 states and 1214 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 15:10:52,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:10:52,942 INFO L93 Difference]: Finished difference Result 856 states and 1215 transitions. [2024-10-11 15:10:52,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 15:10:52,942 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 16 [2024-10-11 15:10:52,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:10:52,948 INFO L225 Difference]: With dead ends: 856 [2024-10-11 15:10:52,948 INFO L226 Difference]: Without dead ends: 853 [2024-10-11 15:10:52,948 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 15:10:52,949 INFO L432 NwaCegarLoop]: 836 mSDtfsCounter, 891 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 891 SdHoareTripleChecker+Valid, 836 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 15:10:52,950 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [891 Valid, 836 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 15:10:52,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2024-10-11 15:10:52,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 853. [2024-10-11 15:10:53,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 853 states, 566 states have (on average 1.325088339222615) internal successors, (750), 586 states have internal predecessors, (750), 232 states have call successors, (232), 55 states have call predecessors, (232), 54 states have return successors, (230), 218 states have call predecessors, (230), 230 states have call successors, (230) [2024-10-11 15:10:53,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 1212 transitions. [2024-10-11 15:10:53,012 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 1212 transitions. Word has length 16 [2024-10-11 15:10:53,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:10:53,012 INFO L471 AbstractCegarLoop]: Abstraction has 853 states and 1212 transitions. [2024-10-11 15:10:53,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 15:10:53,013 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1212 transitions. [2024-10-11 15:10:53,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-11 15:10:53,013 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:10:53,013 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:10:53,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 15:10:53,014 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:10:53,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:10:53,014 INFO L85 PathProgramCache]: Analyzing trace with hash 792728240, now seen corresponding path program 1 times [2024-10-11 15:10:53,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:10:53,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795417421] [2024-10-11 15:10:53,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:10:53,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:10:53,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:10:53,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:10:53,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:10:53,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:10:53,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:10:53,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 15:10:53,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:10:53,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795417421] [2024-10-11 15:10:53,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795417421] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:10:53,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:10:53,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 15:10:53,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577733374] [2024-10-11 15:10:53,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:10:53,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 15:10:53,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:10:53,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 15:10:53,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 15:10:53,196 INFO L87 Difference]: Start difference. First operand 853 states and 1212 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 15:10:53,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:10:53,343 INFO L93 Difference]: Finished difference Result 855 states and 1213 transitions. [2024-10-11 15:10:53,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 15:10:53,344 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2024-10-11 15:10:53,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:10:53,350 INFO L225 Difference]: With dead ends: 855 [2024-10-11 15:10:53,350 INFO L226 Difference]: Without dead ends: 845 [2024-10-11 15:10:53,350 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 15:10:53,351 INFO L432 NwaCegarLoop]: 835 mSDtfsCounter, 888 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 888 SdHoareTripleChecker+Valid, 835 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 15:10:53,352 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [888 Valid, 835 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 15:10:53,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2024-10-11 15:10:53,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 845. [2024-10-11 15:10:53,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 845 states, 560 states have (on average 1.3232142857142857) internal successors, (741), 579 states have internal predecessors, (741), 230 states have call successors, (230), 55 states have call predecessors, (230), 54 states have return successors, (229), 217 states have call predecessors, (229), 229 states have call successors, (229) [2024-10-11 15:10:53,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 1200 transitions. [2024-10-11 15:10:53,402 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 1200 transitions. Word has length 17 [2024-10-11 15:10:53,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:10:53,403 INFO L471 AbstractCegarLoop]: Abstraction has 845 states and 1200 transitions. [2024-10-11 15:10:53,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 15:10:53,403 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1200 transitions. [2024-10-11 15:10:53,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-11 15:10:53,406 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:10:53,406 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 15:10:53,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 15:10:53,406 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:10:53,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:10:53,407 INFO L85 PathProgramCache]: Analyzing trace with hash 940611188, now seen corresponding path program 1 times [2024-10-11 15:10:53,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:10:53,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556599081] [2024-10-11 15:10:53,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:10:53,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:10:53,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:10:53,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:10:53,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:10:53,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:10:53,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:10:53,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:10:53,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:10:53,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 15:10:53,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:10:53,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:10:53,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:10:53,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 15:10:53,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:10:53,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 15:10:53,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:10:53,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 15:10:53,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:10:53,757 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-11 15:10:53,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:10:53,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556599081] [2024-10-11 15:10:53,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556599081] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:10:53,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:10:53,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 15:10:53,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267429461] [2024-10-11 15:10:53,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:10:53,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 15:10:53,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:10:53,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 15:10:53,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:10:53,759 INFO L87 Difference]: Start difference. First operand 845 states and 1200 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-11 15:10:55,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:10:55,601 INFO L93 Difference]: Finished difference Result 1872 states and 2685 transitions. [2024-10-11 15:10:55,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 15:10:55,602 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 51 [2024-10-11 15:10:55,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:10:55,608 INFO L225 Difference]: With dead ends: 1872 [2024-10-11 15:10:55,609 INFO L226 Difference]: Without dead ends: 1033 [2024-10-11 15:10:55,611 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 15:10:55,612 INFO L432 NwaCegarLoop]: 407 mSDtfsCounter, 878 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 1405 mSolverCounterSat, 599 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 948 SdHoareTripleChecker+Valid, 1118 SdHoareTripleChecker+Invalid, 2004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 599 IncrementalHoareTripleChecker+Valid, 1405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-11 15:10:55,613 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [948 Valid, 1118 Invalid, 2004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [599 Valid, 1405 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-11 15:10:55,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2024-10-11 15:10:55,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 977. [2024-10-11 15:10:55,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 977 states, 658 states have (on average 1.343465045592705) internal successors, (884), 680 states have internal predecessors, (884), 264 states have call successors, (264), 55 states have call predecessors, (264), 54 states have return successors, (263), 251 states have call predecessors, (263), 263 states have call successors, (263) [2024-10-11 15:10:55,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1411 transitions. [2024-10-11 15:10:55,685 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1411 transitions. Word has length 51 [2024-10-11 15:10:55,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:10:55,685 INFO L471 AbstractCegarLoop]: Abstraction has 977 states and 1411 transitions. [2024-10-11 15:10:55,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-11 15:10:55,685 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1411 transitions. [2024-10-11 15:10:55,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-11 15:10:55,689 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:10:55,691 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:10:55,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 15:10:55,691 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:10:55,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:10:55,692 INFO L85 PathProgramCache]: Analyzing trace with hash 863425440, now seen corresponding path program 1 times [2024-10-11 15:10:55,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:10:55,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032054571] [2024-10-11 15:10:55,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:10:55,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:10:55,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:10:55,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:10:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:10:55,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:10:55,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:10:55,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 15:10:55,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:10:55,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 15:10:55,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:10:55,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 15:10:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:10:56,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:10:56,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:10:56,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 15:10:56,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:10:56,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-11 15:10:56,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:10:56,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 15:10:56,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:10:56,071 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-11 15:10:56,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:10:56,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032054571] [2024-10-11 15:10:56,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032054571] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:10:56,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:10:56,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 15:10:56,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795916896] [2024-10-11 15:10:56,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:10:56,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 15:10:56,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:10:56,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 15:10:56,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 15:10:56,074 INFO L87 Difference]: Start difference. First operand 977 states and 1411 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-11 15:10:58,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:10:58,099 INFO L93 Difference]: Finished difference Result 2006 states and 2896 transitions. [2024-10-11 15:10:58,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 15:10:58,100 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (11), 4 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 64 [2024-10-11 15:10:58,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:10:58,112 INFO L225 Difference]: With dead ends: 2006 [2024-10-11 15:10:58,113 INFO L226 Difference]: Without dead ends: 1033 [2024-10-11 15:10:58,117 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-11 15:10:58,119 INFO L432 NwaCegarLoop]: 355 mSDtfsCounter, 690 mSDsluCounter, 961 mSDsCounter, 0 mSdLazyCounter, 2016 mSolverCounterSat, 547 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 704 SdHoareTripleChecker+Valid, 1316 SdHoareTripleChecker+Invalid, 2563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 547 IncrementalHoareTripleChecker+Valid, 2016 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-10-11 15:10:58,121 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [704 Valid, 1316 Invalid, 2563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [547 Valid, 2016 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-10-11 15:10:58,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2024-10-11 15:10:58,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 977. [2024-10-11 15:10:58,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 977 states, 658 states have (on average 1.3419452887537995) internal successors, (883), 680 states have internal predecessors, (883), 264 states have call successors, (264), 55 states have call predecessors, (264), 54 states have return successors, (263), 251 states have call predecessors, (263), 263 states have call successors, (263) [2024-10-11 15:10:58,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1410 transitions. [2024-10-11 15:10:58,190 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1410 transitions. Word has length 64 [2024-10-11 15:10:58,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:10:58,192 INFO L471 AbstractCegarLoop]: Abstraction has 977 states and 1410 transitions. [2024-10-11 15:10:58,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-11 15:10:58,193 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1410 transitions. [2024-10-11 15:10:58,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-10-11 15:10:58,199 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:10:58,199 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:10:58,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 15:10:58,200 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:10:58,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:10:58,201 INFO L85 PathProgramCache]: Analyzing trace with hash -634001140, now seen corresponding path program 1 times [2024-10-11 15:10:58,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:10:58,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876999209] [2024-10-11 15:10:58,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:10:58,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:10:58,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:10:58,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:10:58,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:10:58,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:10:58,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:10:58,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 15:10:58,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:10:58,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 15:10:58,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:10:58,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 15:10:58,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:10:58,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 15:10:58,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:10:58,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 15:10:58,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:10:58,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:10:58,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:10:58,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-11 15:10:58,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:10:58,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 15:10:58,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:10:58,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 15:10:58,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:10:58,630 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-11 15:10:58,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:10:58,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876999209] [2024-10-11 15:10:58,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876999209] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:10:58,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:10:58,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 15:10:58,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95769915] [2024-10-11 15:10:58,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:10:58,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 15:10:58,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:10:58,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 15:10:58,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:10:58,635 INFO L87 Difference]: Start difference. First operand 977 states and 1410 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-11 15:11:00,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:11:00,858 INFO L93 Difference]: Finished difference Result 1033 states and 1490 transitions. [2024-10-11 15:11:00,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 15:11:00,858 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 74 [2024-10-11 15:11:00,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:11:00,861 INFO L225 Difference]: With dead ends: 1033 [2024-10-11 15:11:00,861 INFO L226 Difference]: Without dead ends: 0 [2024-10-11 15:11:00,865 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-11 15:11:00,866 INFO L432 NwaCegarLoop]: 347 mSDtfsCounter, 986 mSDsluCounter, 662 mSDsCounter, 0 mSdLazyCounter, 1609 mSolverCounterSat, 764 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 992 SdHoareTripleChecker+Valid, 1009 SdHoareTripleChecker+Invalid, 2373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 764 IncrementalHoareTripleChecker+Valid, 1609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-11 15:11:00,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [992 Valid, 1009 Invalid, 2373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [764 Valid, 1609 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-11 15:11:00,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-11 15:11:00,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-11 15:11:00,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 15:11:00,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-11 15:11:00,868 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2024-10-11 15:11:00,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:11:00,869 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-11 15:11:00,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-11 15:11:00,869 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-11 15:11:00,869 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-11 15:11:00,874 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-11 15:11:00,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 15:11:00,877 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:11:00,879 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-11 15:11:06,314 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 15:11:06,331 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_s_cx8802_pci_driver_pci_driver~0 [2024-10-11 15:11:06,337 WARN L155 FloydHoareUtils]: Requires clause for kfree contained old-variable. Original clause: (and (let ((.cse0 (= 1 ~ldv_mutex_mutex_of_device~0)) (.cse1 (= ~ldv_mutex_lock_of_v4l2_ctrl_handler~0 1)) (.cse2 (= ~ldv_mutex_vb_lock_of_videobuf_queue~0 1))) (or (and .cse0 .cse1 (= 2 ~ldv_mutex_lock_of_cx88_core~0) .cse2) (and .cse0 .cse1 (= ~ldv_mutex_lock_of_cx88_core~0 1) .cse2))) (= |old(#valid)| |#valid|)) Eliminated clause: (let ((.cse0 (= 1 ~ldv_mutex_mutex_of_device~0)) (.cse1 (= ~ldv_mutex_lock_of_v4l2_ctrl_handler~0 1)) (.cse2 (= ~ldv_mutex_vb_lock_of_videobuf_queue~0 1))) (or (and .cse0 .cse1 (= 2 ~ldv_mutex_lock_of_cx88_core~0) .cse2) (and .cse0 .cse1 (= ~ldv_mutex_lock_of_cx88_core~0 1) .cse2))) [2024-10-11 15:11:06,348 WARN L155 FloydHoareUtils]: Requires clause for cx8802_request_release contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock_of_v4l2_ctrl_handler~0 1) (= 2 ~ldv_mutex_lock_of_cx88_core~0) (= ~ldv_mutex_vb_lock_of_videobuf_queue~0 1) (= |old(#valid)| |#valid|)) Eliminated clause: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock_of_v4l2_ctrl_handler~0 1) (= 2 ~ldv_mutex_lock_of_cx88_core~0) (= ~ldv_mutex_vb_lock_of_videobuf_queue~0 1)) [2024-10-11 15:11:06,376 WARN L155 FloydHoareUtils]: Requires clause for kzalloc contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock_of_v4l2_ctrl_handler~0 1) (= ~ldv_mutex_lock_of_cx88_core~0 1) (= ~ldv_mutex_vb_lock_of_videobuf_queue~0 1) (= |old(#valid)| |#valid|)) Eliminated clause: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock_of_v4l2_ctrl_handler~0 1) (= ~ldv_mutex_lock_of_cx88_core~0 1) (= ~ldv_mutex_vb_lock_of_videobuf_queue~0 1)) [2024-10-11 15:11:06,393 WARN L155 FloydHoareUtils]: Requires clause for ##fun~$Pointer$~TO~int contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock_of_v4l2_ctrl_handler~0 1) (= 2 ~ldv_mutex_lock_of_cx88_core~0) (= ~ldv_mutex_vb_lock_of_videobuf_queue~0 1) (= |old(#valid)| |#valid|)) Eliminated clause: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock_of_v4l2_ctrl_handler~0 1) (= 2 ~ldv_mutex_lock_of_cx88_core~0) (= ~ldv_mutex_vb_lock_of_videobuf_queue~0 1)) [2024-10-11 15:11:06,393 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_mutex_of_device~0 [2024-10-11 15:11:06,393 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_lock_of_v4l2_ctrl_handler~0 [2024-10-11 15:11:06,394 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_lock_of_cx88_core~0 [2024-10-11 15:11:06,394 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_vb_lock_of_videobuf_queue~0 [2024-10-11 15:11:06,394 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_mutex_of_device~0 [2024-10-11 15:11:06,394 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_lock_of_v4l2_ctrl_handler~0 [2024-10-11 15:11:06,394 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_lock_of_cx88_core~0 [2024-10-11 15:11:06,394 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_vb_lock_of_videobuf_queue~0 [2024-10-11 15:11:06,395 WARN L155 FloydHoareUtils]: Requires clause for ldv_mutex_lock_lock_of_cx88_core contained old-variable. Original clause: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= |old(~ldv_mutex_lock_of_cx88_core~0)| 1) (= ~ldv_mutex_lock_of_v4l2_ctrl_handler~0 1) (= ~ldv_mutex_lock_of_cx88_core~0 1) (= ~ldv_mutex_vb_lock_of_videobuf_queue~0 1)) Eliminated clause: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock_of_v4l2_ctrl_handler~0 1) (= ~ldv_mutex_lock_of_cx88_core~0 1) (= ~ldv_mutex_vb_lock_of_videobuf_queue~0 1)) [2024-10-11 15:11:06,401 WARN L155 FloydHoareUtils]: Requires clause for pci_get_drvdata contained old-variable. Original clause: (and (= |old(#length)| |#length|) (let ((.cse0 (= 1 ~ldv_mutex_mutex_of_device~0)) (.cse1 (= ~ldv_mutex_lock_of_v4l2_ctrl_handler~0 1)) (.cse2 (= ~ldv_mutex_vb_lock_of_videobuf_queue~0 1))) (or (and .cse0 .cse1 (= 2 ~ldv_mutex_lock_of_cx88_core~0) .cse2) (and .cse0 .cse1 (= ~ldv_mutex_lock_of_cx88_core~0 1) .cse2))) (= |old(#valid)| |#valid|)) Eliminated clause: (let ((.cse0 (= 1 ~ldv_mutex_mutex_of_device~0)) (.cse1 (= ~ldv_mutex_lock_of_v4l2_ctrl_handler~0 1)) (.cse2 (= ~ldv_mutex_vb_lock_of_videobuf_queue~0 1))) (or (and .cse0 .cse1 (= 2 ~ldv_mutex_lock_of_cx88_core~0) .cse2) (and .cse0 .cse1 (= ~ldv_mutex_lock_of_cx88_core~0 1) .cse2))) [2024-10-11 15:11:06,418 WARN L155 FloydHoareUtils]: Requires clause for ldv_mutex_unlock_lock_of_cx88_core contained old-variable. Original clause: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= 2 |old(~ldv_mutex_lock_of_cx88_core~0)|) (= ~ldv_mutex_lock_of_v4l2_ctrl_handler~0 1) (= 2 ~ldv_mutex_lock_of_cx88_core~0) (= ~ldv_mutex_vb_lock_of_videobuf_queue~0 1)) Eliminated clause: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock_of_v4l2_ctrl_handler~0 1) (= 2 ~ldv_mutex_lock_of_cx88_core~0) (= ~ldv_mutex_vb_lock_of_videobuf_queue~0 1)) [2024-10-11 15:11:06,433 WARN L155 FloydHoareUtils]: Requires clause for ldv_malloc contained old-variable. Original clause: (and (= |old(#length)| |#length|) (let ((.cse0 (= 1 ~ldv_mutex_mutex_of_device~0)) (.cse1 (= ~ldv_mutex_lock_of_v4l2_ctrl_handler~0 1)) (.cse2 (= ~ldv_mutex_vb_lock_of_videobuf_queue~0 1))) (or (and .cse0 .cse1 (= 2 ~ldv_mutex_lock_of_cx88_core~0) .cse2) (and .cse0 .cse1 (= ~ldv_mutex_lock_of_cx88_core~0 1) .cse2))) (= |old(#valid)| |#valid|)) Eliminated clause: (let ((.cse0 (= 1 ~ldv_mutex_mutex_of_device~0)) (.cse1 (= ~ldv_mutex_lock_of_v4l2_ctrl_handler~0 1)) (.cse2 (= ~ldv_mutex_vb_lock_of_videobuf_queue~0 1))) (or (and .cse0 .cse1 (= 2 ~ldv_mutex_lock_of_cx88_core~0) .cse2) (and .cse0 .cse1 (= ~ldv_mutex_lock_of_cx88_core~0 1) .cse2))) [2024-10-11 15:11:06,445 WARN L155 FloydHoareUtils]: Requires clause for cx8802_request_acquire contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock_of_v4l2_ctrl_handler~0 1) (= 2 ~ldv_mutex_lock_of_cx88_core~0) (= ~ldv_mutex_vb_lock_of_videobuf_queue~0 1) (= |old(#valid)| |#valid|)) Eliminated clause: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock_of_v4l2_ctrl_handler~0 1) (= 2 ~ldv_mutex_lock_of_cx88_core~0) (= ~ldv_mutex_vb_lock_of_videobuf_queue~0 1)) [2024-10-11 15:11:06,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 03:11:06 BoogieIcfgContainer [2024-10-11 15:11:06,446 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 15:11:06,447 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 15:11:06,447 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 15:11:06,447 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 15:11:06,448 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:10:50" (3/4) ... [2024-10-11 15:11:06,450 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 15:11:06,453 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2024-10-11 15:11:06,454 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_set_power_state [2024-10-11 15:11:06,454 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-10-11 15:11:06,454 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cx8802_request_release [2024-10-11 15:11:06,454 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure list_empty [2024-10-11 15:11:06,454 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_enable_device [2024-10-11 15:11:06,454 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cx88_sram_channel_dump [2024-10-11 15:11:06,454 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure list_add_tail [2024-10-11 15:11:06,454 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __const_udelay [2024-10-11 15:11:06,454 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure INIT_LIST_HEAD [2024-10-11 15:11:06,455 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2024-10-11 15:11:06,455 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_disable_device [2024-10-11 15:11:06,455 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure msecs_to_jiffies [2024-10-11 15:11:06,455 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-10-11 15:11:06,455 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure list_del [2024-10-11 15:11:06,455 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure do_cancel_buffers [2024-10-11 15:11:06,455 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cx8802_restart_queue [2024-10-11 15:11:06,455 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kzalloc [2024-10-11 15:11:06,455 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_set_drvdata [2024-10-11 15:11:06,455 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cx8802_start_dma [2024-10-11 15:11:06,456 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock [2024-10-11 15:11:06,456 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~int [2024-10-11 15:11:06,456 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_lock_lock_of_cx88_core [2024-10-11 15:11:06,456 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_get_drvdata [2024-10-11 15:11:06,456 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cx88_core_put [2024-10-11 15:11:06,456 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure readl [2024-10-11 15:11:06,456 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure writel [2024-10-11 15:11:06,456 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_lock_of_cx88_core [2024-10-11 15:11:06,456 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock [2024-10-11 15:11:06,456 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cx8802_stop_dma [2024-10-11 15:11:06,456 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_handler_precall [2024-10-11 15:11:06,457 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mod_timer [2024-10-11 15:11:06,457 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-10-11 15:11:06,457 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2024-10-11 15:11:06,457 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_read_config_byte [2024-10-11 15:11:06,457 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spinlock_check [2024-10-11 15:11:06,458 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cx8802_request_acquire [2024-10-11 15:11:06,494 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 321 nodes and edges [2024-10-11 15:11:06,498 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 130 nodes and edges [2024-10-11 15:11:06,501 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2024-10-11 15:11:06,503 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-10-11 15:11:06,506 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-10-11 15:11:06,508 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-11 15:11:06,510 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 15:11:06,516 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 15:11:06,784 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 15:11:06,784 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 15:11:06,784 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 15:11:06,785 INFO L158 Benchmark]: Toolchain (without parser) took 21558.93ms. Allocated memory was 184.5MB in the beginning and 570.4MB in the end (delta: 385.9MB). Free memory was 120.3MB in the beginning and 295.6MB in the end (delta: -175.3MB). Peak memory consumption was 209.7MB. Max. memory is 16.1GB. [2024-10-11 15:11:06,785 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 184.5MB. Free memory is still 147.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 15:11:06,785 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2323.86ms. Allocated memory was 184.5MB in the beginning and 262.1MB in the end (delta: 77.6MB). Free memory was 120.3MB in the beginning and 153.8MB in the end (delta: -33.4MB). Peak memory consumption was 101.0MB. Max. memory is 16.1GB. [2024-10-11 15:11:06,785 INFO L158 Benchmark]: Boogie Procedure Inliner took 203.42ms. Allocated memory is still 262.1MB. Free memory was 152.7MB in the beginning and 140.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-11 15:11:06,785 INFO L158 Benchmark]: Boogie Preprocessor took 569.05ms. Allocated memory is still 262.1MB. Free memory was 140.1MB in the beginning and 164.2MB in the end (delta: -24.1MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-10-11 15:11:06,786 INFO L158 Benchmark]: RCFGBuilder took 2356.58ms. Allocated memory is still 262.1MB. Free memory was 164.2MB in the beginning and 134.2MB in the end (delta: 30.0MB). Peak memory consumption was 99.2MB. Max. memory is 16.1GB. [2024-10-11 15:11:06,786 INFO L158 Benchmark]: TraceAbstraction took 15760.00ms. Allocated memory was 262.1MB in the beginning and 570.4MB in the end (delta: 308.3MB). Free memory was 134.2MB in the beginning and 335.5MB in the end (delta: -201.3MB). Peak memory consumption was 235.6MB. Max. memory is 16.1GB. [2024-10-11 15:11:06,786 INFO L158 Benchmark]: Witness Printer took 337.48ms. Allocated memory is still 570.4MB. Free memory was 335.5MB in the beginning and 295.6MB in the end (delta: 39.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-10-11 15:11:06,788 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 184.5MB. Free memory is still 147.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2323.86ms. Allocated memory was 184.5MB in the beginning and 262.1MB in the end (delta: 77.6MB). Free memory was 120.3MB in the beginning and 153.8MB in the end (delta: -33.4MB). Peak memory consumption was 101.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 203.42ms. Allocated memory is still 262.1MB. Free memory was 152.7MB in the beginning and 140.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 569.05ms. Allocated memory is still 262.1MB. Free memory was 140.1MB in the beginning and 164.2MB in the end (delta: -24.1MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2356.58ms. Allocated memory is still 262.1MB. Free memory was 164.2MB in the beginning and 134.2MB in the end (delta: 30.0MB). Peak memory consumption was 99.2MB. Max. memory is 16.1GB. * TraceAbstraction took 15760.00ms. Allocated memory was 262.1MB in the beginning and 570.4MB in the end (delta: 308.3MB). Free memory was 134.2MB in the beginning and 335.5MB in the end (delta: -201.3MB). Peak memory consumption was 235.6MB. Max. memory is 16.1GB. * Witness Printer took 337.48ms. Allocated memory is still 570.4MB. Free memory was 335.5MB in the beginning and 295.6MB in the end (delta: 39.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 4935]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [4935] - GenericResultAtLocation [Line: 4942]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [4942] - GenericResultAtLocation [Line: 5294]: Unsoundness Warning ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)buf->vb.queue.next) [5294] - GenericResultAtLocation [Line: 5768]: Unsoundness Warning ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)d->drvlist.next) [5768] - GenericResultAtLocation [Line: 5925]: Unsoundness Warning ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)dev->devlist.next) [5925] - GenericResultAtLocation [Line: 5987]: Unsoundness Warning ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)dev->devlist.next) [5987] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_s_cx8802_pci_driver_pci_driver~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_mutex_mutex_of_device~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_mutex_lock_of_v4l2_ctrl_handler~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_mutex_lock_of_cx88_core~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_mutex_vb_lock_of_videobuf_queue~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_mutex_mutex_of_device~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_mutex_lock_of_v4l2_ctrl_handler~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_mutex_lock_of_cx88_core~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ldv_mutex_vb_lock_of_videobuf_queue~0 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 6324]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 634 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.1s, OverallIterations: 7, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6082 SdHoareTripleChecker+Valid, 6.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5992 mSDsluCounter, 7209 SdHoareTripleChecker+Invalid, 5.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2751 mSDsCounter, 1912 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5321 IncrementalHoareTripleChecker+Invalid, 7233 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1912 mSolverCounterUnsat, 4458 mSDtfsCounter, 5321 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=977occurred in iteration=5, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 114 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 251 NumberOfCodeBlocks, 251 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 244 ConstructedInterpolants, 0 QuantifiedInterpolants, 414 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 22/22 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 5225]: Location Invariant Derived location invariant: (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) || ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1))) - InvariantResult [Line: 5411]: Location Invariant Derived location invariant: ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) - InvariantResult [Line: 6032]: Location Invariant Derived location invariant: ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) - InvariantResult [Line: 4961]: Location Invariant Derived location invariant: ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) - InvariantResult [Line: 4841]: Location Invariant Derived location invariant: (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) || ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1))) - InvariantResult [Line: 4834]: Location Invariant Derived location invariant: (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) || ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1))) - InvariantResult [Line: 4995]: Location Invariant Derived location invariant: ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) - InvariantResult [Line: 4782]: Location Invariant Derived location invariant: (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) || ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1))) - InvariantResult [Line: 6203]: Location Invariant Derived location invariant: ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) - ProcedureContractResult [Line: 6987]: Procedure Contract for kfree Derived contract for procedure kfree. Requires: (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) || ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1))) Ensures: (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) || ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1))) - ProcedureContractResult [Line: 6961]: Procedure Contract for pci_set_power_state Derived contract for procedure pci_set_power_state. Requires: ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) Ensures: ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) - ProcedureContractResult [Line: 6968]: Procedure Contract for printk Derived contract for procedure printk. Requires: (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) || ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1))) Ensures: (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) || ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1))) - ProcedureContractResult [Line: 5821]: Procedure Contract for cx8802_request_release Derived contract for procedure cx8802_request_release. Requires: ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) Ensures: ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) - ProcedureContractResult [Line: 4790]: Procedure Contract for list_empty Derived contract for procedure list_empty. Requires: (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) || ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1))) Ensures: (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) || ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1))) - ProcedureContractResult [Line: 6947]: Procedure Contract for pci_enable_device Derived contract for procedure pci_enable_device. Requires: (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) || ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1))) Ensures: (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) || ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1))) - ProcedureContractResult [Line: 6864]: Procedure Contract for cx88_sram_channel_dump Derived contract for procedure cx88_sram_channel_dump. Requires: ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) Ensures: ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) - ProcedureContractResult [Line: 4782]: Procedure Contract for list_add_tail Derived contract for procedure list_add_tail. Requires: (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) || ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1))) Ensures: (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) || ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1))) - ProcedureContractResult [Line: 6794]: Procedure Contract for __const_udelay Derived contract for procedure __const_udelay. Requires: (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) || ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1))) Ensures: (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) || ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1))) - ProcedureContractResult [Line: 4773]: Procedure Contract for INIT_LIST_HEAD Derived contract for procedure INIT_LIST_HEAD. Requires: ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) Ensures: ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) - ProcedureContractResult [Line: 6932]: Procedure Contract for mutex_unlock Derived contract for procedure mutex_unlock. Requires: ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) Ensures: ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) - ProcedureContractResult [Line: 6943]: Procedure Contract for pci_disable_device Derived contract for procedure pci_disable_device. Requires: (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) || ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1))) Ensures: (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) || ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1))) - ProcedureContractResult [Line: 6922]: Procedure Contract for msecs_to_jiffies Derived contract for procedure msecs_to_jiffies. Requires: (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) || ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1))) Ensures: (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) || ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1))) - ProcedureContractResult [Line: 6321]: Procedure Contract for ldv_error Derived contract for procedure ldv_error. Requires: 0 Ensures: 0 - ProcedureContractResult [Line: 6911]: Procedure Contract for list_del Derived contract for procedure list_del. Requires: (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) || ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1))) Ensures: (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) || ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1))) - ProcedureContractResult [Line: 5403]: Procedure Contract for do_cancel_buffers Derived contract for procedure do_cancel_buffers. Requires: ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) Ensures: ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) - ProcedureContractResult [Line: 5204]: Procedure Contract for cx8802_restart_queue Derived contract for procedure cx8802_restart_queue. Requires: (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) || ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1))) Ensures: (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) || ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1))) - ProcedureContractResult [Line: 4909]: Procedure Contract for kzalloc Derived contract for procedure kzalloc. Requires: ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) Ensures: ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) - ProcedureContractResult [Line: 4995]: Procedure Contract for pci_set_drvdata Derived contract for procedure pci_set_drvdata. Requires: ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) Ensures: ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) - ProcedureContractResult [Line: 5080]: Procedure Contract for cx8802_start_dma Derived contract for procedure cx8802_start_dma. Requires: (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) || ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1))) Ensures: (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) || ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1))) - ProcedureContractResult [Line: 4834]: Procedure Contract for spin_lock Derived contract for procedure spin_lock. Requires: (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) || ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1))) Ensures: (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) || ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1))) - ProcedureContractResult [Line: 6369]: Procedure Contract for ldv_mutex_lock_lock_of_cx88_core Derived contract for procedure ldv_mutex_lock_lock_of_cx88_core. Requires: ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) Ensures: (((((1 == ldv_mutex_mutex_of_device) && (\old(ldv_mutex_lock_of_cx88_core) == 1)) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) - ProcedureContractResult [Line: 4987]: Procedure Contract for pci_get_drvdata Derived contract for procedure pci_get_drvdata. Requires: (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) || ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1))) Ensures: (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) || ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1))) - ProcedureContractResult [Line: 6840]: Procedure Contract for cx88_core_put Derived contract for procedure cx88_core_put. Requires: ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) Ensures: ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) - ProcedureContractResult [Line: 4931]: Procedure Contract for readl Derived contract for procedure readl. Requires: (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) || ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1))) Ensures: (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) || ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1))) - ProcedureContractResult [Line: 4939]: Procedure Contract for writel Derived contract for procedure writel. Requires: (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) || ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1))) Ensures: (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) || ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1))) - ProcedureContractResult [Line: 6430]: Procedure Contract for ldv_mutex_unlock_lock_of_cx88_core Derived contract for procedure ldv_mutex_unlock_lock_of_cx88_core. Requires: ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) Ensures: (((((1 == ldv_mutex_mutex_of_device) && (2 == \old(ldv_mutex_lock_of_cx88_core))) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) - ProcedureContractResult [Line: 4841]: Procedure Contract for spin_unlock Derived contract for procedure spin_unlock. Requires: (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) || ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1))) Ensures: (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) || ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1))) - ProcedureContractResult [Line: 5182]: Procedure Contract for cx8802_stop_dma Derived contract for procedure cx8802_stop_dma. Requires: ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) Ensures: ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) - ProcedureContractResult [Line: 6908]: Procedure Contract for ldv_handler_precall Derived contract for procedure ldv_handler_precall. Requires: ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) Ensures: ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) - ProcedureContractResult [Line: 6918]: Procedure Contract for mod_timer Derived contract for procedure mod_timer. Requires: (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) || ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1))) Ensures: (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) || ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1))) - ProcedureContractResult [Line: 4885]: Procedure Contract for ldv_malloc Derived contract for procedure ldv_malloc. Requires: (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) || ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1))) Ensures: (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) || ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1))) - ProcedureContractResult [Line: 6925]: Procedure Contract for mutex_lock Derived contract for procedure mutex_lock. Requires: ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) Ensures: ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) - ProcedureContractResult [Line: 4961]: Procedure Contract for pci_read_config_byte Derived contract for procedure pci_read_config_byte. Requires: ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) Ensures: ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) - ProcedureContractResult [Line: 4828]: Procedure Contract for spinlock_check Derived contract for procedure spinlock_check. Requires: ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) Ensures: ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (ldv_mutex_lock_of_cx88_core == 1)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) - ProcedureContractResult [Line: 5776]: Procedure Contract for cx8802_request_acquire Derived contract for procedure cx8802_request_acquire. Requires: ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) Ensures: ((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_lock_of_v4l2_ctrl_handler == 1)) && (2 == ldv_mutex_lock_of_cx88_core)) && (ldv_mutex_vb_lock_of_videobuf_queue == 1)) RESULT: Ultimate proved your program to be correct! [2024-10-11 15:11:06,824 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE