/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/ldv-commit-tester/m0_sound-core-oss-snd-mixer-oss-ko--143_7a--506218e.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 02:29:23,327 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 02:29:23,328 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 02:29:23,351 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-03-31 02:29:23,363 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 02:29:23,364 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 02:29:23,364 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 02:29:23,365 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 02:29:23,365 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 02:29:23,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 02:29:23,367 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 02:29:23,371 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 02:29:23,373 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 02:29:23,374 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 02:29:23,375 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 02:29:23,376 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 02:29:23,380 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 02:29:23,380 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 02:29:23,381 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 02:29:23,381 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 02:29:23,381 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 02:29:23,382 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2023-03-31 02:29:23,384 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 02:29:23,385 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 02:29:23,385 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 02:29:23,388 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-03-31 02:29:23,411 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 02:29:23,411 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 02:29:23,412 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 02:29:23,412 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 02:29:23,413 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 02:29:23,413 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 02:29:23,413 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 02:29:23,414 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 02:29:23,414 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 02:29:23,414 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 02:29:23,414 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 02:29:23,414 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 02:29:23,415 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 02:29:23,415 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 02:29:23,415 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 02:29:23,415 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 02:29:23,415 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 02:29:23,415 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 02:29:23,415 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 02:29:23,415 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 02:29:23,415 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 02:29:23,415 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 02:29:23,415 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 02:29:23,416 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 02:29:23,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 02:29:23,416 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 02:29:23,416 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 02:29:23,416 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 02:29:23,416 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 02:29:23,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 02:29:23,416 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 02:29:23,416 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 02:29:23,417 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 02:29:23,417 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 02:29:23,417 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 02:29:23,417 INFO L138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 02:29:23,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 02:29:23,621 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 02:29:23,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 02:29:23,624 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 02:29:23,625 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 02:29:23,626 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-commit-tester/m0_sound-core-oss-snd-mixer-oss-ko--143_7a--506218e.i [2023-03-31 02:29:24,609 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 02:29:24,973 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 02:29:24,974 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_sound-core-oss-snd-mixer-oss-ko--143_7a--506218e.i [2023-03-31 02:29:25,001 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c102776a/e700154193d7476d840cf998ca32c7f4/FLAGe1fc68e7e [2023-03-31 02:29:25,015 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c102776a/e700154193d7476d840cf998ca32c7f4 [2023-03-31 02:29:25,017 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 02:29:25,018 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 02:29:25,020 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 02:29:25,020 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 02:29:25,022 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 02:29:25,023 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 02:29:25" (1/1) ... [2023-03-31 02:29:25,024 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@adfd4d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:29:25, skipping insertion in model container [2023-03-31 02:29:25,024 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 02:29:25" (1/1) ... [2023-03-31 02:29:25,029 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 02:29:25,101 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 02:29:25,910 WARN L247 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_sound-core-oss-snd-mixer-oss-ko--143_7a--506218e.i[176586,176599] [2023-03-31 02:29:25,945 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 02:29:25,956 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 02:29:26,158 WARN L247 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_sound-core-oss-snd-mixer-oss-ko--143_7a--506218e.i[176586,176599] [2023-03-31 02:29:26,167 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 02:29:26,197 WARN L667 CHandler]: The function __bad_size_call_parameter is called, but not defined or handled by StandardFunctionHandler. [2023-03-31 02:29:26,197 WARN L667 CHandler]: The function kmem_cache_alloc_notrace is called, but not defined or handled by StandardFunctionHandler. [2023-03-31 02:29:26,197 WARN L667 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-03-31 02:29:26,197 WARN L667 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-03-31 02:29:26,202 INFO L208 MainTranslator]: Completed translation [2023-03-31 02:29:26,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:29:26 WrapperNode [2023-03-31 02:29:26,202 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 02:29:26,203 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 02:29:26,203 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 02:29:26,203 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 02:29:26,230 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:29:26" (1/1) ... [2023-03-31 02:29:26,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:29:26" (1/1) ... [2023-03-31 02:29:26,283 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:29:26" (1/1) ... [2023-03-31 02:29:26,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:29:26" (1/1) ... [2023-03-31 02:29:26,365 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:29:26" (1/1) ... [2023-03-31 02:29:26,382 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:29:26" (1/1) ... [2023-03-31 02:29:26,396 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:29:26" (1/1) ... [2023-03-31 02:29:26,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:29:26" (1/1) ... [2023-03-31 02:29:26,431 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 02:29:26,431 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 02:29:26,431 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 02:29:26,432 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 02:29:26,432 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:29:26" (1/1) ... [2023-03-31 02:29:26,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 02:29:26,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 02:29:26,490 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-31 02:29:26,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-31 02:29:26,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 02:29:26,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 02:29:26,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2023-03-31 02:29:26,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2023-03-31 02:29:26,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-03-31 02:29:26,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-03-31 02:29:26,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-03-31 02:29:26,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-03-31 02:29:26,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-03-31 02:29:26,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-03-31 02:29:26,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-03-31 02:29:26,528 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 02:29:26,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ffz [2023-03-31 02:29:26,529 INFO L138 BoogieDeclarations]: Found implementation of procedure get_order [2023-03-31 02:29:26,529 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemleak_alloc [2023-03-31 02:29:26,529 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2023-03-31 02:29:26,529 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2023-03-31 02:29:26,529 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2023-03-31 02:29:26,529 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_index [2023-03-31 02:29:26,529 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_slab [2023-03-31 02:29:26,529 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-03-31 02:29:26,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-03-31 02:29:26,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-03-31 02:29:26,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-03-31 02:29:26,530 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_large [2023-03-31 02:29:26,530 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-03-31 02:29:26,530 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2023-03-31 02:29:26,530 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-03-31 02:29:26,530 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_module_get [2023-03-31 02:29:26,530 INFO L138 BoogieDeclarations]: Found implementation of procedure module_is_live [2023-03-31 02:29:26,530 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2023-03-31 02:29:26,530 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2023-03-31 02:29:26,530 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-03-31 02:29:26,530 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_open [2023-03-31 02:29:26,530 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_release [2023-03-31 02:29:26,530 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_info [2023-03-31 02:29:26,530 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_info_obsolete [2023-03-31 02:29:26,530 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_caps [2023-03-31 02:29:26,531 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_devmask [2023-03-31 02:29:26,531 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_stereodevs [2023-03-31 02:29:26,531 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_recmask [2023-03-31 02:29:26,531 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_get_recsrc [2023-03-31 02:29:26,531 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_set_recsrc [2023-03-31 02:29:26,531 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_get_volume [2023-03-31 02:29:26,531 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_set_volume [2023-03-31 02:29:26,531 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_ioctl1 [2023-03-31 02:29:26,532 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_ioctl [2023-03-31 02:29:26,532 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_ioctl_card [2023-03-31 02:29:26,532 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_conv [2023-03-31 02:29:26,532 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_conv1 [2023-03-31 02:29:26,532 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_conv2 [2023-03-31 02:29:26,533 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_test_id [2023-03-31 02:29:26,533 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_get_volume1_vol [2023-03-31 02:29:26,533 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_get_volume1_sw [2023-03-31 02:29:26,533 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_get_volume1 [2023-03-31 02:29:26,533 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_put_volume1_vol [2023-03-31 02:29:26,533 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_put_volume1_sw [2023-03-31 02:29:26,533 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_put_volume1 [2023-03-31 02:29:26,533 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_get_recsrc1_sw [2023-03-31 02:29:26,533 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_get_recsrc1_route [2023-03-31 02:29:26,533 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_put_recsrc1_sw [2023-03-31 02:29:26,534 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_put_recsrc1_route [2023-03-31 02:29:26,534 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_get_recsrc2 [2023-03-31 02:29:26,534 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_put_recsrc2 [2023-03-31 02:29:26,534 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_build_test [2023-03-31 02:29:26,534 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_slot_free [2023-03-31 02:29:26,534 INFO L138 BoogieDeclarations]: Found implementation of procedure mixer_slot_clear [2023-03-31 02:29:26,534 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_build_test_all [2023-03-31 02:29:26,534 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_build_input [2023-03-31 02:29:26,534 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_proc_read [2023-03-31 02:29:26,534 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_proc_write [2023-03-31 02:29:26,534 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_proc_init [2023-03-31 02:29:26,534 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_proc_done [2023-03-31 02:29:26,534 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_build [2023-03-31 02:29:26,534 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_free1 [2023-03-31 02:29:26,534 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_notify_handler [2023-03-31 02:29:26,534 INFO L138 BoogieDeclarations]: Found implementation of procedure alsa_mixer_oss_init [2023-03-31 02:29:26,534 INFO L138 BoogieDeclarations]: Found implementation of procedure alsa_mixer_oss_exit [2023-03-31 02:29:26,534 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 02:29:26,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_down_read_1 [2023-03-31 02:29:26,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_up_read_2 [2023-03-31 02:29:26,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_up_read_3 [2023-03-31 02:29:26,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_down_read_4 [2023-03-31 02:29:26,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_up_read_5 [2023-03-31 02:29:26,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_up_read_6 [2023-03-31 02:29:26,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_down_read_7 [2023-03-31 02:29:26,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_up_read_8 [2023-03-31 02:29:26,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_up_read_9 [2023-03-31 02:29:26,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_down_read_10 [2023-03-31 02:29:26,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_up_read_11 [2023-03-31 02:29:26,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_up_read_12 [2023-03-31 02:29:26,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_down_read_13 [2023-03-31 02:29:26,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_up_read_14 [2023-03-31 02:29:26,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_down_read_15 [2023-03-31 02:29:26,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_up_read_16 [2023-03-31 02:29:26,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_down_read_17 [2023-03-31 02:29:26,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_up_read_18 [2023-03-31 02:29:26,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_up_read_19 [2023-03-31 02:29:26,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_up_read_20 [2023-03-31 02:29:26,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_up_read_21 [2023-03-31 02:29:26,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_down_read_22 [2023-03-31 02:29:26,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_up_read_23 [2023-03-31 02:29:26,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_up_read_24 [2023-03-31 02:29:26,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_up_read_25 [2023-03-31 02:29:26,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_up_read_26 [2023-03-31 02:29:26,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-03-31 02:29:26,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-03-31 02:29:26,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_down_read_nested_controls_rwsem_of_snd_card [2023-03-31 02:29:26,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_down_write_nested_controls_rwsem_of_snd_card [2023-03-31 02:29:26,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_downgrade_write_controls_rwsem_of_snd_card [2023-03-31 02:29:26,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_up_write_controls_rwsem_of_snd_card [2023-03-31 02:29:26,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_up_read_controls_rwsem_of_snd_card [2023-03-31 02:29:26,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_down_write_trylock_controls_rwsem_of_snd_card [2023-03-31 02:29:26,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_down_read_trylock_controls_rwsem_of_snd_card [2023-03-31 02:29:26,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_down_read_controls_rwsem_of_snd_card [2023-03-31 02:29:26,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_down_write_controls_rwsem_of_snd_card [2023-03-31 02:29:26,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_rwsem_is_locked_controls_rwsem_of_snd_card [2023-03-31 02:29:26,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-03-31 02:29:26,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-03-31 02:29:26,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_pages [2023-03-31 02:29:26,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-03-31 02:29:26,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __snd_printk [2023-03-31 02:29:26,539 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-03-31 02:29:26,539 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-03-31 02:29:26,540 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2023-03-31 02:29:26,542 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrdup [2023-03-31 02:29:26,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2023-03-31 02:29:26,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2023-03-31 02:29:26,546 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2023-03-31 02:29:26,546 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-03-31 02:29:26,546 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2023-03-31 02:29:26,546 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-03-31 02:29:26,546 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-03-31 02:29:26,546 INFO L138 BoogieDeclarations]: Found implementation of procedure nonseekable_open [2023-03-31 02:29:26,547 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2023-03-31 02:29:26,547 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_card_file_add [2023-03-31 02:29:26,547 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_card_file_remove [2023-03-31 02:29:26,547 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_ctl_find_id [2023-03-31 02:29:26,547 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_ctl_find_numid [2023-03-31 02:29:26,547 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_ctl_notify [2023-03-31 02:29:26,547 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_info_create_card_entry [2023-03-31 02:29:26,547 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_info_free_entry [2023-03-31 02:29:26,547 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_info_get_line [2023-03-31 02:29:26,547 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_info_get_str [2023-03-31 02:29:26,547 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_info_register [2023-03-31 02:29:26,547 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_iprintf [2023-03-31 02:29:26,547 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_lookup_oss_minor_data [2023-03-31 02:29:26,547 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_oss_info_register [2023-03-31 02:29:26,548 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_register_oss_device [2023-03-31 02:29:26,548 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_unregister_oss_device [2023-03-31 02:29:26,548 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-03-31 02:29:26,548 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2023-03-31 02:29:26,548 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2023-03-31 02:29:26,548 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-03-31 02:29:26,548 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-03-31 02:29:26,548 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-03-31 02:29:26,548 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 02:29:26,548 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 02:29:26,548 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-03-31 02:29:26,548 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-03-31 02:29:26,548 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 02:29:26,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 02:29:26,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-03-31 02:29:26,548 INFO L130 BoogieDeclarations]: Found specification of procedure ffz [2023-03-31 02:29:26,548 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2023-03-31 02:29:26,548 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-03-31 02:29:26,548 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2023-03-31 02:29:26,548 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-03-31 02:29:26,549 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-03-31 02:29:26,549 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2023-03-31 02:29:26,549 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2023-03-31 02:29:26,549 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-03-31 02:29:26,549 INFO L130 BoogieDeclarations]: Found specification of procedure kstrdup [2023-03-31 02:29:26,549 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-03-31 02:29:26,549 INFO L130 BoogieDeclarations]: Found specification of procedure get_order [2023-03-31 02:29:26,549 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2023-03-31 02:29:26,549 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2023-03-31 02:29:26,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_down_read_1 [2023-03-31 02:29:26,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_down_read_4 [2023-03-31 02:29:26,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_down_read_7 [2023-03-31 02:29:26,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_down_read_10 [2023-03-31 02:29:26,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_down_read_13 [2023-03-31 02:29:26,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_down_read_15 [2023-03-31 02:29:26,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_down_read_17 [2023-03-31 02:29:26,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_down_read_22 [2023-03-31 02:29:26,550 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2023-03-31 02:29:26,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_up_read_2 [2023-03-31 02:29:26,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_up_read_3 [2023-03-31 02:29:26,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_up_read_5 [2023-03-31 02:29:26,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_up_read_6 [2023-03-31 02:29:26,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_up_read_8 [2023-03-31 02:29:26,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_up_read_9 [2023-03-31 02:29:26,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_up_read_11 [2023-03-31 02:29:26,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_up_read_12 [2023-03-31 02:29:26,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_up_read_14 [2023-03-31 02:29:26,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_up_read_16 [2023-03-31 02:29:26,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_up_read_18 [2023-03-31 02:29:26,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_up_read_19 [2023-03-31 02:29:26,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_up_read_20 [2023-03-31 02:29:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_up_read_21 [2023-03-31 02:29:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_up_read_23 [2023-03-31 02:29:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_up_read_24 [2023-03-31 02:29:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_up_read_25 [2023-03-31 02:29:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_up_read_26 [2023-03-31 02:29:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_up_read_controls_rwsem_of_snd_card [2023-03-31 02:29:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_down_read_controls_rwsem_of_snd_card [2023-03-31 02:29:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-03-31 02:29:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-03-31 02:29:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-03-31 02:29:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2023-03-31 02:29:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_pages [2023-03-31 02:29:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-03-31 02:29:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure kmemleak_alloc [2023-03-31 02:29:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-03-31 02:29:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2023-03-31 02:29:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2023-03-31 02:29:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2023-03-31 02:29:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2023-03-31 02:29:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 02:29:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 02:29:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_index [2023-03-31 02:29:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_slab [2023-03-31 02:29:26,552 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 02:29:26,552 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-03-31 02:29:26,552 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 02:29:26,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-03-31 02:29:26,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-03-31 02:29:26,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 02:29:26,552 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-03-31 02:29:26,552 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2023-03-31 02:29:26,552 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_large [2023-03-31 02:29:26,552 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-03-31 02:29:26,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2023-03-31 02:29:26,552 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2023-03-31 02:29:26,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-03-31 02:29:26,552 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-03-31 02:29:26,552 INFO L130 BoogieDeclarations]: Found specification of procedure trace_module_get [2023-03-31 02:29:26,552 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2023-03-31 02:29:26,552 INFO L130 BoogieDeclarations]: Found specification of procedure module_is_live [2023-03-31 02:29:26,552 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2023-03-31 02:29:26,552 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2023-03-31 02:29:26,552 INFO L130 BoogieDeclarations]: Found specification of procedure snd_register_oss_device [2023-03-31 02:29:26,552 INFO L130 BoogieDeclarations]: Found specification of procedure snd_unregister_oss_device [2023-03-31 02:29:26,552 INFO L130 BoogieDeclarations]: Found specification of procedure snd_lookup_oss_minor_data [2023-03-31 02:29:26,552 INFO L130 BoogieDeclarations]: Found specification of procedure snd_card_file_add [2023-03-31 02:29:26,553 INFO L130 BoogieDeclarations]: Found specification of procedure snd_card_file_remove [2023-03-31 02:29:26,553 INFO L130 BoogieDeclarations]: Found specification of procedure __snd_printk [2023-03-31 02:29:26,553 INFO L130 BoogieDeclarations]: Found specification of procedure snd_ctl_notify [2023-03-31 02:29:26,553 INFO L130 BoogieDeclarations]: Found specification of procedure snd_ctl_find_numid [2023-03-31 02:29:26,553 INFO L130 BoogieDeclarations]: Found specification of procedure snd_ctl_find_id [2023-03-31 02:29:26,553 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2023-03-31 02:29:26,553 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2023-03-31 02:29:26,555 INFO L130 BoogieDeclarations]: Found specification of procedure nonseekable_open [2023-03-31 02:29:26,556 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-03-31 02:29:26,556 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-03-31 02:29:26,556 INFO L130 BoogieDeclarations]: Found specification of procedure snd_iprintf [2023-03-31 02:29:26,556 INFO L130 BoogieDeclarations]: Found specification of procedure snd_info_get_line [2023-03-31 02:29:26,556 INFO L130 BoogieDeclarations]: Found specification of procedure snd_info_get_str [2023-03-31 02:29:26,556 INFO L130 BoogieDeclarations]: Found specification of procedure snd_info_create_card_entry [2023-03-31 02:29:26,557 INFO L130 BoogieDeclarations]: Found specification of procedure snd_info_free_entry [2023-03-31 02:29:26,557 INFO L130 BoogieDeclarations]: Found specification of procedure snd_info_register [2023-03-31 02:29:26,557 INFO L130 BoogieDeclarations]: Found specification of procedure snd_oss_info_register [2023-03-31 02:29:26,557 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_open [2023-03-31 02:29:26,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 02:29:26,557 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_release [2023-03-31 02:29:26,557 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_info [2023-03-31 02:29:26,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-31 02:29:26,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-03-31 02:29:26,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 02:29:26,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 02:29:26,557 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_info_obsolete [2023-03-31 02:29:26,557 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_caps [2023-03-31 02:29:26,557 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_devmask [2023-03-31 02:29:26,557 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_stereodevs [2023-03-31 02:29:26,557 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_recmask [2023-03-31 02:29:26,557 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_get_recsrc [2023-03-31 02:29:26,557 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-03-31 02:29:26,557 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-03-31 02:29:26,557 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_set_recsrc [2023-03-31 02:29:26,557 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-03-31 02:29:26,557 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-03-31 02:29:26,557 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_get_volume [2023-03-31 02:29:26,557 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-03-31 02:29:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_set_volume [2023-03-31 02:29:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-03-31 02:29:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_ioctl1 [2023-03-31 02:29:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_ioctl [2023-03-31 02:29:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_ioctl_card [2023-03-31 02:29:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_conv [2023-03-31 02:29:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_conv1 [2023-03-31 02:29:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_conv2 [2023-03-31 02:29:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_test_id [2023-03-31 02:29:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-03-31 02:29:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_get_volume1_vol [2023-03-31 02:29:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_get_volume1_sw [2023-03-31 02:29:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_get_volume1 [2023-03-31 02:29:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_put_volume1_vol [2023-03-31 02:29:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_put_volume1_sw [2023-03-31 02:29:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_put_volume1 [2023-03-31 02:29:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_get_recsrc1_sw [2023-03-31 02:29:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_get_recsrc1_route [2023-03-31 02:29:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_put_recsrc1_sw [2023-03-31 02:29:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_put_recsrc1_route [2023-03-31 02:29:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_get_recsrc2 [2023-03-31 02:29:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_put_recsrc2 [2023-03-31 02:29:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_build_test [2023-03-31 02:29:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_slot_free [2023-03-31 02:29:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure mixer_slot_clear [2023-03-31 02:29:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-03-31 02:29:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_build_test_all [2023-03-31 02:29:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_build_input [2023-03-31 02:29:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_proc_read [2023-03-31 02:29:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_proc_write [2023-03-31 02:29:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_proc_init [2023-03-31 02:29:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_proc_done [2023-03-31 02:29:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_build [2023-03-31 02:29:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_free1 [2023-03-31 02:29:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_notify_handler [2023-03-31 02:29:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure alsa_mixer_oss_init [2023-03-31 02:29:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure alsa_mixer_oss_exit [2023-03-31 02:29:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-03-31 02:29:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2023-03-31 02:29:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-03-31 02:29:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2023-03-31 02:29:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 02:29:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-03-31 02:29:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_down_read_nested_controls_rwsem_of_snd_card [2023-03-31 02:29:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_down_write_nested_controls_rwsem_of_snd_card [2023-03-31 02:29:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_downgrade_write_controls_rwsem_of_snd_card [2023-03-31 02:29:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_up_write_controls_rwsem_of_snd_card [2023-03-31 02:29:26,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_down_write_trylock_controls_rwsem_of_snd_card [2023-03-31 02:29:26,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_down_read_trylock_controls_rwsem_of_snd_card [2023-03-31 02:29:26,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_down_write_controls_rwsem_of_snd_card [2023-03-31 02:29:26,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_rwsem_is_locked_controls_rwsem_of_snd_card [2023-03-31 02:29:26,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-03-31 02:29:26,560 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 02:29:26,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 02:29:26,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 02:29:26,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-03-31 02:29:26,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 02:29:26,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-03-31 02:29:26,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-03-31 02:29:27,012 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 02:29:27,020 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 02:29:38,844 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 02:29:38,855 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 02:29:38,856 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-31 02:29:38,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 02:29:38 BoogieIcfgContainer [2023-03-31 02:29:38,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 02:29:38,860 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 02:29:38,860 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 02:29:38,863 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 02:29:38,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 02:29:25" (1/3) ... [2023-03-31 02:29:38,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c0f8cfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 02:29:38, skipping insertion in model container [2023-03-31 02:29:38,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:29:26" (2/3) ... [2023-03-31 02:29:38,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c0f8cfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 02:29:38, skipping insertion in model container [2023-03-31 02:29:38,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 02:29:38" (3/3) ... [2023-03-31 02:29:38,865 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_sound-core-oss-snd-mixer-oss-ko--143_7a--506218e.i [2023-03-31 02:29:38,877 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 02:29:38,877 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 02:29:38,945 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 02:29:38,950 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@79c6a605, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 02:29:38,951 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 02:29:38,959 INFO L276 IsEmpty]: Start isEmpty. Operand has 1746 states, 1216 states have (on average 1.4407894736842106) internal successors, (1752), 1253 states have internal predecessors, (1752), 377 states have call successors, (377), 143 states have call predecessors, (377), 143 states have return successors, (377), 368 states have call predecessors, (377), 377 states have call successors, (377) [2023-03-31 02:29:38,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-03-31 02:29:38,964 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 02:29:38,965 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 02:29:38,965 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 02:29:38,969 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 02:29:38,970 INFO L85 PathProgramCache]: Analyzing trace with hash -2113704967, now seen corresponding path program 1 times [2023-03-31 02:29:38,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 02:29:38,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258681807] [2023-03-31 02:29:38,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 02:29:38,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 02:29:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:29:39,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 02:29:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:29:39,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:29:39,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:29:39,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 02:29:39,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:29:39,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 02:29:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:29:39,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 02:29:39,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 02:29:39,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258681807] [2023-03-31 02:29:39,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258681807] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 02:29:39,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 02:29:39,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-31 02:29:39,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537990774] [2023-03-31 02:29:39,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 02:29:39,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-31 02:29:39,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 02:29:39,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-31 02:29:39,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-03-31 02:29:39,580 INFO L87 Difference]: Start difference. First operand has 1746 states, 1216 states have (on average 1.4407894736842106) internal successors, (1752), 1253 states have internal predecessors, (1752), 377 states have call successors, (377), 143 states have call predecessors, (377), 143 states have return successors, (377), 368 states have call predecessors, (377), 377 states have call successors, (377) Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (7), 5 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2023-03-31 02:29:43,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 02:29:45,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 02:29:47,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 02:30:10,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 02:30:11,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 02:30:13,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 02:30:18,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 02:30:18,720 INFO L93 Difference]: Finished difference Result 3584 states and 5507 transitions. [2023-03-31 02:30:18,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-31 02:30:18,722 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (7), 5 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 24 [2023-03-31 02:30:18,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 02:30:18,743 INFO L225 Difference]: With dead ends: 3584 [2023-03-31 02:30:18,743 INFO L226 Difference]: Without dead ends: 1961 [2023-03-31 02:30:18,757 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-03-31 02:30:18,759 INFO L413 NwaCegarLoop]: 671 mSDtfsCounter, 2074 mSDsluCounter, 581 mSDsCounter, 0 mSdLazyCounter, 6606 mSolverCounterSat, 965 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2145 SdHoareTripleChecker+Valid, 1252 SdHoareTripleChecker+Invalid, 7576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 965 IncrementalHoareTripleChecker+Valid, 6606 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.0s IncrementalHoareTripleChecker+Time [2023-03-31 02:30:18,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2145 Valid, 1252 Invalid, 7576 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [965 Valid, 6606 Invalid, 5 Unknown, 0 Unchecked, 38.0s Time] [2023-03-31 02:30:18,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1961 states. [2023-03-31 02:30:18,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1961 to 1532. [2023-03-31 02:30:18,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1532 states, 1073 states have (on average 1.4370922646784716) internal successors, (1542), 1098 states have internal predecessors, (1542), 333 states have call successors, (333), 128 states have call predecessors, (333), 125 states have return successors, (328), 324 states have call predecessors, (328), 328 states have call successors, (328) [2023-03-31 02:30:18,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1532 states and 2203 transitions. [2023-03-31 02:30:18,950 INFO L78 Accepts]: Start accepts. Automaton has 1532 states and 2203 transitions. Word has length 24 [2023-03-31 02:30:18,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 02:30:18,951 INFO L495 AbstractCegarLoop]: Abstraction has 1532 states and 2203 transitions. [2023-03-31 02:30:18,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (7), 5 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2023-03-31 02:30:18,951 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 2203 transitions. [2023-03-31 02:30:18,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-03-31 02:30:18,953 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 02:30:18,953 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 02:30:18,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 02:30:18,955 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 02:30:18,955 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 02:30:18,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1147113052, now seen corresponding path program 1 times [2023-03-31 02:30:18,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 02:30:18,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755461390] [2023-03-31 02:30:18,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 02:30:18,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 02:30:18,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:30:19,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 02:30:19,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:30:19,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:30:19,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:30:19,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 02:30:19,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:30:19,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 02:30:19,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:30:19,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 02:30:19,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 02:30:19,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755461390] [2023-03-31 02:30:19,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755461390] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 02:30:19,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1132916122] [2023-03-31 02:30:19,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 02:30:19,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 02:30:19,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 02:30:19,459 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 02:30:19,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-31 02:30:19,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:30:19,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 1508 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 02:30:19,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 02:30:19,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 02:30:19,941 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-31 02:30:20,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 02:30:20,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1132916122] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-31 02:30:20,124 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-31 02:30:20,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 9 [2023-03-31 02:30:20,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031992819] [2023-03-31 02:30:20,125 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-31 02:30:20,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-31 02:30:20,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 02:30:20,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-31 02:30:20,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-03-31 02:30:20,127 INFO L87 Difference]: Start difference. First operand 1532 states and 2203 transitions. Second operand has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 6 states have internal predecessors, (26), 2 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2023-03-31 02:30:25,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 02:30:27,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 02:30:29,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-03-31 02:30:31,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []