./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 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/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/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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-wip.fs.cvc5-61a6796-m [2024-10-14 15:12:02,899 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 15:12:02,973 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-14 15:12:02,979 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 15:12:02,980 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 15:12:03,002 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 15:12:03,003 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 15:12:03,003 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 15:12:03,004 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 15:12:03,004 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 15:12:03,005 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 15:12:03,005 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 15:12:03,005 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 15:12:03,006 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 15:12:03,006 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 15:12:03,007 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 15:12:03,007 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 15:12:03,007 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 15:12:03,008 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 15:12:03,008 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 15:12:03,008 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 15:12:03,009 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 15:12:03,009 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 15:12:03,009 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 15:12:03,010 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 15:12:03,014 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 15:12:03,014 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 15:12:03,014 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 15:12:03,015 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 15:12:03,015 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 15:12:03,015 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 15:12:03,015 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 15:12:03,015 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 15:12:03,016 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 15:12:03,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 15:12:03,016 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 15:12:03,016 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 15:12:03,016 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 15:12:03,017 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 15:12:03,017 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d3d6fae331941e7aeb3ae8634b57ab7fbe899fba4d7b00d559e126b42e6ea03 [2024-10-14 15:12:03,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 15:12:03,281 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 15:12:03,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 15:12:03,286 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 15:12:03,286 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 15:12:03,287 INFO L431 ainManager$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 [2024-10-14 15:12:04,743 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 15:12:05,215 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 15:12:05,217 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 [2024-10-14 15:12:05,281 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43e03bef5/a43fa1396cd0485eb19ba1490a36e280/FLAGe5acaa34f [2024-10-14 15:12:05,294 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43e03bef5/a43fa1396cd0485eb19ba1490a36e280 [2024-10-14 15:12:05,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 15:12:05,298 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 15:12:05,299 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 15:12:05,300 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 15:12:05,306 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 15:12:05,307 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:12:05" (1/1) ... [2024-10-14 15:12:05,308 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e622d91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:12:05, skipping insertion in model container [2024-10-14 15:12:05,308 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:12:05" (1/1) ... [2024-10-14 15:12:05,399 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 15:12:06,390 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] [2024-10-14 15:12:06,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 15:12:06,493 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 15:12:06,625 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [4935] [2024-10-14 15:12:06,629 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [4942] [2024-10-14 15:12:06,713 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)buf->vb.queue.next) [5294] [2024-10-14 15:12:06,760 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)d->drvlist.next) [5768] [2024-10-14 15:12:06,806 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)dev->devlist.next) [5925] [2024-10-14 15:12:06,814 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)dev->devlist.next) [5987] [2024-10-14 15:12:06,838 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] [2024-10-14 15:12:06,862 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 15:12:06,909 INFO L204 MainTranslator]: Completed translation [2024-10-14 15:12:06,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:12:06 WrapperNode [2024-10-14 15:12:06,910 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 15:12:06,911 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 15:12:06,911 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 15:12:06,911 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 15:12:06,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:12:06" (1/1) ... [2024-10-14 15:12:07,021 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:12:06" (1/1) ... [2024-10-14 15:12:07,104 INFO L138 Inliner]: procedures = 183, calls = 973, calls flagged for inlining = 82, calls inlined = 60, statements flattened = 1847 [2024-10-14 15:12:07,105 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 15:12:07,106 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 15:12:07,106 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 15:12:07,106 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 15:12:07,117 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:12:06" (1/1) ... [2024-10-14 15:12:07,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:12:06" (1/1) ... [2024-10-14 15:12:07,134 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:12:06" (1/1) ... [2024-10-14 15:12:07,398 INFO L175 MemorySlicer]: Split 390 memory accesses to 13 slices as follows [2, 4, 7, 4, 8, 7, 233, 2, 7, 40, 32, 7, 37]. 60 percent of accesses are in the largest equivalence class. The 157 initializations are split as follows [2, 4, 7, 4, 8, 7, 2, 0, 7, 40, 32, 7, 37]. The 40 writes are split as follows [0, 0, 0, 0, 0, 0, 39, 1, 0, 0, 0, 0, 0]. [2024-10-14 15:12:07,399 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:12:06" (1/1) ... [2024-10-14 15:12:07,399 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:12:06" (1/1) ... [2024-10-14 15:12:07,474 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:12:06" (1/1) ... [2024-10-14 15:12:07,485 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:12:06" (1/1) ... [2024-10-14 15:12:07,517 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:12:06" (1/1) ... [2024-10-14 15:12:07,533 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:12:06" (1/1) ... [2024-10-14 15:12:07,557 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 15:12:07,559 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 15:12:07,560 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 15:12:07,560 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 15:12:07,561 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:12:06" (1/1) ... [2024-10-14 15:12:07,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 15:12:07,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 15:12:07,593 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 15:12:07,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 15:12:07,647 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2024-10-14 15:12:07,648 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2024-10-14 15:12:07,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-14 15:12:07,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-14 15:12:07,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-14 15:12:07,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-14 15:12:07,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-14 15:12:07,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-14 15:12:07,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-14 15:12:07,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-14 15:12:07,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-10-14 15:12:07,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-10-14 15:12:07,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-10-14 15:12:07,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-10-14 15:12:07,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-10-14 15:12:07,651 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_restart_queue [2024-10-14 15:12:07,651 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_restart_queue [2024-10-14 15:12:07,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-14 15:12:07,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-14 15:12:07,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-14 15:12:07,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-14 15:12:07,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-14 15:12:07,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-14 15:12:07,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-14 15:12:07,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-14 15:12:07,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-14 15:12:07,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-14 15:12:07,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-14 15:12:07,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-14 15:12:07,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-14 15:12:07,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_cx88_core [2024-10-14 15:12:07,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_cx88_core [2024-10-14 15:12:07,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_cx88_core [2024-10-14 15:12:07,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_cx88_core [2024-10-14 15:12:07,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-14 15:12:07,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-14 15:12:07,654 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2024-10-14 15:12:07,655 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2024-10-14 15:12:07,655 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-10-14 15:12:07,655 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-10-14 15:12:07,655 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-10-14 15:12:07,655 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-10-14 15:12:07,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-14 15:12:07,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-14 15:12:07,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-14 15:12:07,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-14 15:12:07,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-14 15:12:07,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-14 15:12:07,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-14 15:12:07,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-14 15:12:07,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-14 15:12:07,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-14 15:12:07,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-14 15:12:07,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-14 15:12:07,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-14 15:12:07,657 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-10-14 15:12:07,657 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-10-14 15:12:07,657 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-10-14 15:12:07,658 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-10-14 15:12:07,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-14 15:12:07,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-14 15:12:07,659 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2024-10-14 15:12:07,659 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2024-10-14 15:12:07,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-14 15:12:07,660 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-10-14 15:12:07,660 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-10-14 15:12:07,660 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-10-14 15:12:07,660 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-10-14 15:12:07,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 15:12:07,661 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2024-10-14 15:12:07,661 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2024-10-14 15:12:07,661 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-10-14 15:12:07,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-10-14 15:12:07,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-14 15:12:07,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-14 15:12:07,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-14 15:12:07,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-14 15:12:07,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-14 15:12:07,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-14 15:12:07,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-14 15:12:07,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-14 15:12:07,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-14 15:12:07,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-14 15:12:07,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-14 15:12:07,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-14 15:12:07,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-14 15:12:07,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-14 15:12:07,663 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-10-14 15:12:07,663 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-10-14 15:12:07,663 INFO L130 BoogieDeclarations]: Found specification of procedure do_cancel_buffers [2024-10-14 15:12:07,664 INFO L138 BoogieDeclarations]: Found implementation of procedure do_cancel_buffers [2024-10-14 15:12:07,664 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_start_dma [2024-10-14 15:12:07,664 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_start_dma [2024-10-14 15:12:07,664 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-10-14 15:12:07,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-10-14 15:12:07,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-14 15:12:07,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-14 15:12:07,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-14 15:12:07,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-14 15:12:07,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-14 15:12:07,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-14 15:12:07,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-14 15:12:07,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-14 15:12:07,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-14 15:12:07,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-14 15:12:07,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-14 15:12:07,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-14 15:12:07,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-14 15:12:07,667 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-10-14 15:12:07,667 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-10-14 15:12:07,667 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_core_put [2024-10-14 15:12:07,667 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_core_put [2024-10-14 15:12:07,668 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_stop_dma [2024-10-14 15:12:07,668 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_stop_dma [2024-10-14 15:12:07,668 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-10-14 15:12:07,668 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-10-14 15:12:07,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-14 15:12:07,669 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_request_acquire [2024-10-14 15:12:07,669 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_request_acquire [2024-10-14 15:12:07,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-14 15:12:07,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-14 15:12:07,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-14 15:12:07,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-14 15:12:07,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-14 15:12:07,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-14 15:12:07,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-14 15:12:07,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-14 15:12:07,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-14 15:12:07,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-14 15:12:07,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-14 15:12:07,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-14 15:12:07,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-14 15:12:07,670 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2024-10-14 15:12:07,670 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2024-10-14 15:12:07,670 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-14 15:12:07,671 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-14 15:12:07,671 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_request_release [2024-10-14 15:12:07,671 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_request_release [2024-10-14 15:12:07,671 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_dump [2024-10-14 15:12:07,671 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_dump [2024-10-14 15:12:07,671 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2024-10-14 15:12:07,671 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2024-10-14 15:12:07,671 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-10-14 15:12:07,671 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-10-14 15:12:07,671 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-10-14 15:12:07,672 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-10-14 15:12:07,672 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-10-14 15:12:07,672 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-10-14 15:12:07,672 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-10-14 15:12:07,674 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-10-14 15:12:07,674 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-10-14 15:12:07,674 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-10-14 15:12:07,674 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-10-14 15:12:07,675 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-10-14 15:12:07,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 15:12:07,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-14 15:12:07,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-14 15:12:07,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-14 15:12:07,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-14 15:12:07,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-14 15:12:07,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-14 15:12:07,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-14 15:12:07,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-14 15:12:07,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-14 15:12:07,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-14 15:12:07,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-14 15:12:07,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-14 15:12:07,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2024-10-14 15:12:07,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2024-10-14 15:12:07,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 15:12:07,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 15:12:08,252 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 15:12:08,255 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 15:12:09,787 INFO L? ?]: Removed 851 outVars from TransFormulas that were not future-live. [2024-10-14 15:12:09,787 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 15:12:10,023 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 15:12:10,023 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 15:12:10,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:12:10 BoogieIcfgContainer [2024-10-14 15:12:10,024 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 15:12:10,025 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 15:12:10,025 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 15:12:10,029 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 15:12:10,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 03:12:05" (1/3) ... [2024-10-14 15:12:10,029 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77614f83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:12:10, skipping insertion in model container [2024-10-14 15:12:10,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:12:06" (2/3) ... [2024-10-14 15:12:10,030 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77614f83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:12:10, skipping insertion in model container [2024-10-14 15:12:10,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:12:10" (3/3) ... [2024-10-14 15:12:10,032 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i [2024-10-14 15:12:10,048 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 15:12:10,048 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 15:12:10,137 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 15:12:10,144 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;@5770d733, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 15:12:10,144 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 15:12:10,152 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) [2024-10-14 15:12:10,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-14 15:12:10,159 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:12:10,160 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 15:12:10,160 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:12:10,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:12:10,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1199244331, now seen corresponding path program 1 times [2024-10-14 15:12:10,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:12:10,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432049520] [2024-10-14 15:12:10,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:12:10,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:12:10,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:12:10,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:12:10,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:12:10,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:12:10,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:12:10,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 15:12:10,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:12:10,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432049520] [2024-10-14 15:12:10,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432049520] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:12:10,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:12:10,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 15:12:10,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522238432] [2024-10-14 15:12:10,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:12:10,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 15:12:10,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:12:10,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 15:12:10,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 15:12:10,815 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) [2024-10-14 15:12:11,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:12:11,181 INFO L93 Difference]: Finished difference Result 1487 states and 2183 transitions. [2024-10-14 15:12:11,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 15:12:11,184 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 [2024-10-14 15:12:11,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:12:11,203 INFO L225 Difference]: With dead ends: 1487 [2024-10-14 15:12:11,203 INFO L226 Difference]: Without dead ends: 857 [2024-10-14 15:12:11,216 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 [2024-10-14 15:12:11,219 INFO L432 NwaCegarLoop]: 840 mSDtfsCounter, 765 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2024-10-14 15:12:11,220 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] [2024-10-14 15:12:11,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2024-10-14 15:12:11,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 855. [2024-10-14 15:12:11,354 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) [2024-10-14 15:12:11,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 855 states and 1216 transitions. [2024-10-14 15:12:11,367 INFO L78 Accepts]: Start accepts. Automaton has 855 states and 1216 transitions. Word has length 14 [2024-10-14 15:12:11,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:12:11,367 INFO L471 AbstractCegarLoop]: Abstraction has 855 states and 1216 transitions. [2024-10-14 15:12:11,368 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) [2024-10-14 15:12:11,368 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1216 transitions. [2024-10-14 15:12:11,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-14 15:12:11,369 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:12:11,369 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 15:12:11,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 15:12:11,370 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:12:11,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:12:11,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1478491251, now seen corresponding path program 1 times [2024-10-14 15:12:11,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:12:11,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522768141] [2024-10-14 15:12:11,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:12:11,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:12:11,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:12:11,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:12:11,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:12:11,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:12:11,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:12:11,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 15:12:11,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:12:11,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522768141] [2024-10-14 15:12:11,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522768141] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:12:11,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:12:11,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 15:12:11,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474272270] [2024-10-14 15:12:11,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:12:11,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 15:12:11,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:12:11,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 15:12:11,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 15:12:11,580 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) [2024-10-14 15:12:11,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:12:11,749 INFO L93 Difference]: Finished difference Result 857 states and 1217 transitions. [2024-10-14 15:12:11,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 15:12:11,750 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 [2024-10-14 15:12:11,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:12:11,756 INFO L225 Difference]: With dead ends: 857 [2024-10-14 15:12:11,757 INFO L226 Difference]: Without dead ends: 854 [2024-10-14 15:12:11,757 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 [2024-10-14 15:12:11,758 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 [2024-10-14 15:12:11,759 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] [2024-10-14 15:12:11,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2024-10-14 15:12:11,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 854. [2024-10-14 15:12:11,850 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) [2024-10-14 15:12:11,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 854 states and 1214 transitions. [2024-10-14 15:12:11,858 INFO L78 Accepts]: Start accepts. Automaton has 854 states and 1214 transitions. Word has length 15 [2024-10-14 15:12:11,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:12:11,859 INFO L471 AbstractCegarLoop]: Abstraction has 854 states and 1214 transitions. [2024-10-14 15:12:11,859 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) [2024-10-14 15:12:11,859 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1214 transitions. [2024-10-14 15:12:11,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-14 15:12:11,860 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:12:11,860 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 15:12:11,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 15:12:11,861 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:12:11,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:12:11,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1411056494, now seen corresponding path program 1 times [2024-10-14 15:12:11,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:12:11,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659920727] [2024-10-14 15:12:11,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:12:11,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:12:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:12:12,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:12:12,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:12:12,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:12:12,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:12:12,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 15:12:12,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:12:12,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659920727] [2024-10-14 15:12:12,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659920727] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:12:12,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:12:12,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 15:12:12,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829367235] [2024-10-14 15:12:12,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:12:12,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 15:12:12,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:12:12,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 15:12:12,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 15:12:12,134 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) [2024-10-14 15:12:12,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:12:12,328 INFO L93 Difference]: Finished difference Result 856 states and 1215 transitions. [2024-10-14 15:12:12,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 15:12:12,329 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 [2024-10-14 15:12:12,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:12:12,335 INFO L225 Difference]: With dead ends: 856 [2024-10-14 15:12:12,335 INFO L226 Difference]: Without dead ends: 853 [2024-10-14 15:12:12,336 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 [2024-10-14 15:12:12,337 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 [2024-10-14 15:12:12,338 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] [2024-10-14 15:12:12,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2024-10-14 15:12:12,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 853. [2024-10-14 15:12:12,404 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) [2024-10-14 15:12:12,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 1212 transitions. [2024-10-14 15:12:12,411 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 1212 transitions. Word has length 16 [2024-10-14 15:12:12,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:12:12,412 INFO L471 AbstractCegarLoop]: Abstraction has 853 states and 1212 transitions. [2024-10-14 15:12:12,412 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) [2024-10-14 15:12:12,412 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1212 transitions. [2024-10-14 15:12:12,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-14 15:12:12,413 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:12:12,413 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 15:12:12,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 15:12:12,413 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:12:12,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:12:12,414 INFO L85 PathProgramCache]: Analyzing trace with hash 792728240, now seen corresponding path program 1 times [2024-10-14 15:12:12,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:12:12,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599672369] [2024-10-14 15:12:12,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:12:12,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:12:12,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:12:12,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:12:12,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:12:12,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:12:12,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:12:12,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 15:12:12,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:12:12,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599672369] [2024-10-14 15:12:12,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599672369] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:12:12,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:12:12,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 15:12:12,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527935794] [2024-10-14 15:12:12,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:12:12,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 15:12:12,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:12:12,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 15:12:12,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 15:12:12,619 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) [2024-10-14 15:12:12,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:12:12,778 INFO L93 Difference]: Finished difference Result 855 states and 1213 transitions. [2024-10-14 15:12:12,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 15:12:12,779 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 [2024-10-14 15:12:12,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:12:12,784 INFO L225 Difference]: With dead ends: 855 [2024-10-14 15:12:12,785 INFO L226 Difference]: Without dead ends: 845 [2024-10-14 15:12:12,785 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 [2024-10-14 15:12:12,786 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 [2024-10-14 15:12:12,786 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] [2024-10-14 15:12:12,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2024-10-14 15:12:12,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 845. [2024-10-14 15:12:12,838 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) [2024-10-14 15:12:12,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 1200 transitions. [2024-10-14 15:12:12,845 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 1200 transitions. Word has length 17 [2024-10-14 15:12:12,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:12:12,845 INFO L471 AbstractCegarLoop]: Abstraction has 845 states and 1200 transitions. [2024-10-14 15:12:12,846 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) [2024-10-14 15:12:12,846 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1200 transitions. [2024-10-14 15:12:12,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-14 15:12:12,851 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:12:12,851 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] [2024-10-14 15:12:12,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 15:12:12,851 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:12:12,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:12:12,852 INFO L85 PathProgramCache]: Analyzing trace with hash 940611188, now seen corresponding path program 1 times [2024-10-14 15:12:12,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:12:12,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648643876] [2024-10-14 15:12:12,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:12:12,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:12:12,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:12:13,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:12:13,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:12:13,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:12:13,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:12:13,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:12:13,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:12:13,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-14 15:12:13,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:12:13,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:12:13,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:12:13,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 15:12:13,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:12:13,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 15:12:13,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:12:13,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 15:12:13,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:12:13,251 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 15:12:13,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:12:13,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648643876] [2024-10-14 15:12:13,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648643876] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:12:13,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:12:13,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 15:12:13,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717102800] [2024-10-14 15:12:13,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:12:13,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 15:12:13,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:12:13,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 15:12:13,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 15:12:13,253 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) [2024-10-14 15:12:15,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:12:15,141 INFO L93 Difference]: Finished difference Result 1872 states and 2685 transitions. [2024-10-14 15:12:15,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 15:12:15,142 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 [2024-10-14 15:12:15,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:12:15,149 INFO L225 Difference]: With dead ends: 1872 [2024-10-14 15:12:15,149 INFO L226 Difference]: Without dead ends: 1033 [2024-10-14 15:12:15,152 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 [2024-10-14 15:12:15,152 INFO L432 NwaCegarLoop]: 407 mSDtfsCounter, 878 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 1405 mSolverCounterSat, 599 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s 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 [2024-10-14 15:12:15,153 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] [2024-10-14 15:12:15,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2024-10-14 15:12:15,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 977. [2024-10-14 15:12:15,225 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) [2024-10-14 15:12:15,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1411 transitions. [2024-10-14 15:12:15,232 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1411 transitions. Word has length 51 [2024-10-14 15:12:15,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:12:15,232 INFO L471 AbstractCegarLoop]: Abstraction has 977 states and 1411 transitions. [2024-10-14 15:12:15,232 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) [2024-10-14 15:12:15,232 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1411 transitions. [2024-10-14 15:12:15,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-14 15:12:15,240 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:12:15,240 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] [2024-10-14 15:12:15,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 15:12:15,241 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:12:15,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:12:15,241 INFO L85 PathProgramCache]: Analyzing trace with hash 863425440, now seen corresponding path program 1 times [2024-10-14 15:12:15,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:12:15,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549195219] [2024-10-14 15:12:15,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:12:15,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:12:15,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:12:15,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:12:15,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:12:15,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:12:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:12:15,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 15:12:15,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:12:15,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 15:12:15,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:12:15,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 15:12:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:12:15,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:12:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:12:15,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 15:12:15,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:12:15,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-14 15:12:15,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:12:15,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 15:12:15,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:12:15,603 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-14 15:12:15,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:12:15,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549195219] [2024-10-14 15:12:15,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549195219] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:12:15,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:12:15,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 15:12:15,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351670385] [2024-10-14 15:12:15,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:12:15,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 15:12:15,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:12:15,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 15:12:15,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 15:12:15,605 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) [2024-10-14 15:12:17,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:12:17,534 INFO L93 Difference]: Finished difference Result 2006 states and 2896 transitions. [2024-10-14 15:12:17,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 15:12:17,535 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 [2024-10-14 15:12:17,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:12:17,542 INFO L225 Difference]: With dead ends: 2006 [2024-10-14 15:12:17,542 INFO L226 Difference]: Without dead ends: 1033 [2024-10-14 15:12:17,546 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 [2024-10-14 15:12:17,547 INFO L432 NwaCegarLoop]: 355 mSDtfsCounter, 690 mSDsluCounter, 961 mSDsCounter, 0 mSdLazyCounter, 2016 mSolverCounterSat, 547 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s 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, 1.8s IncrementalHoareTripleChecker+Time [2024-10-14 15:12:17,547 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [704 Valid, 1316 Invalid, 2563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [547 Valid, 2016 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-14 15:12:17,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2024-10-14 15:12:17,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 977. [2024-10-14 15:12:17,628 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) [2024-10-14 15:12:17,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1410 transitions. [2024-10-14 15:12:17,635 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1410 transitions. Word has length 64 [2024-10-14 15:12:17,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:12:17,635 INFO L471 AbstractCegarLoop]: Abstraction has 977 states and 1410 transitions. [2024-10-14 15:12:17,635 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) [2024-10-14 15:12:17,635 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1410 transitions. [2024-10-14 15:12:17,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-10-14 15:12:17,637 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:12:17,638 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] [2024-10-14 15:12:17,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 15:12:17,638 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:12:17,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:12:17,638 INFO L85 PathProgramCache]: Analyzing trace with hash -634001140, now seen corresponding path program 1 times [2024-10-14 15:12:17,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:12:17,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540059818] [2024-10-14 15:12:17,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:12:17,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:12:17,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:12:17,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:12:17,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:12:17,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:12:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:12:17,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 15:12:17,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:12:17,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 15:12:17,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:12:17,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 15:12:17,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:12:17,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 15:12:17,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:12:17,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-14 15:12:17,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:12:17,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:12:17,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:12:17,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 15:12:17,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:12:17,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 15:12:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:12:18,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 15:12:18,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:12:18,032 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-14 15:12:18,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:12:18,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540059818] [2024-10-14 15:12:18,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540059818] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:12:18,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:12:18,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 15:12:18,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790176403] [2024-10-14 15:12:18,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:12:18,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 15:12:18,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:12:18,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 15:12:18,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 15:12:18,037 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) [2024-10-14 15:12:19,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:12:19,951 INFO L93 Difference]: Finished difference Result 1033 states and 1490 transitions. [2024-10-14 15:12:19,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 15:12:19,952 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 [2024-10-14 15:12:19,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:12:19,954 INFO L225 Difference]: With dead ends: 1033 [2024-10-14 15:12:19,954 INFO L226 Difference]: Without dead ends: 0 [2024-10-14 15:12:19,958 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 [2024-10-14 15:12:19,958 INFO L432 NwaCegarLoop]: 347 mSDtfsCounter, 986 mSDsluCounter, 662 mSDsCounter, 0 mSdLazyCounter, 1609 mSolverCounterSat, 764 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s 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, 1.8s IncrementalHoareTripleChecker+Time [2024-10-14 15:12:19,959 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [992 Valid, 1009 Invalid, 2373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [764 Valid, 1609 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-14 15:12:19,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-14 15:12:19,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-14 15:12:19,959 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) [2024-10-14 15:12:19,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-14 15:12:19,960 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2024-10-14 15:12:19,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:12:19,961 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-14 15:12:19,961 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) [2024-10-14 15:12:19,961 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-14 15:12:19,961 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-14 15:12:19,964 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-14 15:12:19,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 15:12:19,966 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-10-14 15:12:19,969 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-14 15:12:25,238 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 15:12:25,254 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_s_cx8802_pci_driver_pci_driver~0 [2024-10-14 15:12:25,261 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))) [2024-10-14 15:12:25,276 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)) [2024-10-14 15:12:25,322 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)) [2024-10-14 15:12:25,332 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)) [2024-10-14 15:12:25,332 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_mutex_of_device~0 [2024-10-14 15:12:25,333 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_lock_of_v4l2_ctrl_handler~0 [2024-10-14 15:12:25,333 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_lock_of_cx88_core~0 [2024-10-14 15:12:25,335 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_vb_lock_of_videobuf_queue~0 [2024-10-14 15:12:25,335 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_mutex_of_device~0 [2024-10-14 15:12:25,335 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_lock_of_v4l2_ctrl_handler~0 [2024-10-14 15:12:25,335 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_lock_of_cx88_core~0 [2024-10-14 15:12:25,335 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ldv_mutex_vb_lock_of_videobuf_queue~0 [2024-10-14 15:12:25,337 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)) [2024-10-14 15:12:25,344 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))) [2024-10-14 15:12:25,361 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)) [2024-10-14 15:12:25,374 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))) [2024-10-14 15:12:25,384 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)) [2024-10-14 15:12:25,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 03:12:25 BoogieIcfgContainer [2024-10-14 15:12:25,386 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 15:12:25,387 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 15:12:25,387 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 15:12:25,387 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 15:12:25,389 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:12:10" (3/4) ... [2024-10-14 15:12:25,391 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 15:12:25,394 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2024-10-14 15:12:25,395 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_set_power_state [2024-10-14 15:12:25,395 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-10-14 15:12:25,395 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cx8802_request_release [2024-10-14 15:12:25,395 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure list_empty [2024-10-14 15:12:25,395 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_enable_device [2024-10-14 15:12:25,395 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cx88_sram_channel_dump [2024-10-14 15:12:25,395 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure list_add_tail [2024-10-14 15:12:25,395 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __const_udelay [2024-10-14 15:12:25,395 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure INIT_LIST_HEAD [2024-10-14 15:12:25,396 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2024-10-14 15:12:25,396 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_disable_device [2024-10-14 15:12:25,396 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure msecs_to_jiffies [2024-10-14 15:12:25,396 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-10-14 15:12:25,396 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure list_del [2024-10-14 15:12:25,396 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure do_cancel_buffers [2024-10-14 15:12:25,396 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cx8802_restart_queue [2024-10-14 15:12:25,396 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kzalloc [2024-10-14 15:12:25,396 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_set_drvdata [2024-10-14 15:12:25,396 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cx8802_start_dma [2024-10-14 15:12:25,396 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock [2024-10-14 15:12:25,397 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~int [2024-10-14 15:12:25,397 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_lock_lock_of_cx88_core [2024-10-14 15:12:25,397 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_get_drvdata [2024-10-14 15:12:25,397 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cx88_core_put [2024-10-14 15:12:25,397 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure readl [2024-10-14 15:12:25,397 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure writel [2024-10-14 15:12:25,397 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_lock_of_cx88_core [2024-10-14 15:12:25,397 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock [2024-10-14 15:12:25,397 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cx8802_stop_dma [2024-10-14 15:12:25,397 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_handler_precall [2024-10-14 15:12:25,397 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mod_timer [2024-10-14 15:12:25,398 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-10-14 15:12:25,398 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2024-10-14 15:12:25,398 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_read_config_byte [2024-10-14 15:12:25,398 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spinlock_check [2024-10-14 15:12:25,398 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cx8802_request_acquire [2024-10-14 15:12:25,435 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 321 nodes and edges [2024-10-14 15:12:25,438 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 130 nodes and edges [2024-10-14 15:12:25,441 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2024-10-14 15:12:25,444 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-10-14 15:12:25,447 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-10-14 15:12:25,450 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-14 15:12:25,453 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-14 15:12:25,456 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-14 15:12:25,716 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 15:12:25,716 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 15:12:25,716 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 15:12:25,717 INFO L158 Benchmark]: Toolchain (without parser) took 20418.27ms. Allocated memory was 201.3MB in the beginning and 589.3MB in the end (delta: 388.0MB). Free memory was 170.4MB in the beginning and 307.0MB in the end (delta: -136.6MB). Peak memory consumption was 250.3MB. Max. memory is 16.1GB. [2024-10-14 15:12:25,717 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 100.7MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 15:12:25,717 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1610.89ms. Allocated memory is still 201.3MB. Free memory was 169.4MB in the beginning and 114.8MB in the end (delta: 54.6MB). Peak memory consumption was 115.5MB. Max. memory is 16.1GB. [2024-10-14 15:12:25,717 INFO L158 Benchmark]: Boogie Procedure Inliner took 194.20ms. Allocated memory is still 201.3MB. Free memory was 114.8MB in the beginning and 135.5MB in the end (delta: -20.7MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2024-10-14 15:12:25,718 INFO L158 Benchmark]: Boogie Preprocessor took 451.96ms. Allocated memory was 201.3MB in the beginning and 310.4MB in the end (delta: 109.1MB). Free memory was 135.5MB in the beginning and 226.2MB in the end (delta: -90.8MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. [2024-10-14 15:12:25,718 INFO L158 Benchmark]: RCFGBuilder took 2464.33ms. Allocated memory is still 310.4MB. Free memory was 226.2MB in the beginning and 209.2MB in the end (delta: 17.1MB). Peak memory consumption was 125.1MB. Max. memory is 16.1GB. [2024-10-14 15:12:25,718 INFO L158 Benchmark]: TraceAbstraction took 15360.84ms. Allocated memory was 310.4MB in the beginning and 589.3MB in the end (delta: 278.9MB). Free memory was 209.2MB in the beginning and 346.8MB in the end (delta: -137.6MB). Peak memory consumption was 327.9MB. Max. memory is 16.1GB. [2024-10-14 15:12:25,718 INFO L158 Benchmark]: Witness Printer took 329.36ms. Allocated memory is still 589.3MB. Free memory was 346.8MB in the beginning and 307.0MB in the end (delta: 39.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-10-14 15:12:25,720 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62ms. Allocated memory is still 100.7MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1610.89ms. Allocated memory is still 201.3MB. Free memory was 169.4MB in the beginning and 114.8MB in the end (delta: 54.6MB). Peak memory consumption was 115.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 194.20ms. Allocated memory is still 201.3MB. Free memory was 114.8MB in the beginning and 135.5MB in the end (delta: -20.7MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 451.96ms. Allocated memory was 201.3MB in the beginning and 310.4MB in the end (delta: 109.1MB). Free memory was 135.5MB in the beginning and 226.2MB in the end (delta: -90.8MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. * RCFGBuilder took 2464.33ms. Allocated memory is still 310.4MB. Free memory was 226.2MB in the beginning and 209.2MB in the end (delta: 17.1MB). Peak memory consumption was 125.1MB. Max. memory is 16.1GB. * TraceAbstraction took 15360.84ms. Allocated memory was 310.4MB in the beginning and 589.3MB in the end (delta: 278.9MB). Free memory was 209.2MB in the beginning and 346.8MB in the end (delta: -137.6MB). Peak memory consumption was 327.9MB. Max. memory is 16.1GB. * Witness Printer took 329.36ms. Allocated memory is still 589.3MB. Free memory was 346.8MB in the beginning and 307.0MB 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: 9.9s, OverallIterations: 7, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6082 SdHoareTripleChecker+Valid, 5.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5992 mSDsluCounter, 7209 SdHoareTripleChecker+Invalid, 4.9s 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: 0.5s 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! [2024-10-14 15:12:25,756 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/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