/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/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 08:12:39,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 08:12:39,055 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 08:12:39,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 08:12:39,082 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 08:12:39,083 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 08:12:39,084 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 08:12:39,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 08:12:39,087 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 08:12:39,088 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 08:12:39,089 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 08:12:39,090 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 08:12:39,090 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 08:12:39,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 08:12:39,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 08:12:39,093 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 08:12:39,094 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 08:12:39,096 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 08:12:39,097 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 08:12:39,099 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 08:12:39,100 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 08:12:39,104 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 08:12:39,104 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 08:12:39,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 08:12:39,108 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 08:12:39,108 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 08:12:39,109 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 08:12:39,109 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 08:12:39,110 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 08:12:39,111 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 08:12:39,111 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 08:12:39,112 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 08:12:39,112 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 08:12:39,113 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 08:12:39,114 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 08:12:39,114 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 08:12:39,115 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 08:12:39,115 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 08:12:39,115 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 08:12:39,116 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 08:12:39,124 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 08:12:39,126 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 08:12:39,157 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 08:12:39,157 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 08:12:39,157 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 08:12:39,158 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 08:12:39,158 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 08:12:39,158 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 08:12:39,159 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 08:12:39,159 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 08:12:39,159 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 08:12:39,159 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 08:12:39,159 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 08:12:39,159 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 08:12:39,160 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 08:12:39,160 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 08:12:39,160 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 08:12:39,160 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 08:12:39,160 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 08:12:39,160 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 08:12:39,164 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 08:12:39,165 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 08:12:39,165 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 08:12:39,165 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 08:12:39,165 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 08:12:39,165 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 08:12:39,166 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 08:12:39,166 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 08:12:39,166 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 08:12:39,166 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 08:12:39,167 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 08:12:39,167 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 08:12:39,167 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 08:12:39,167 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 08:12:39,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 08:12:39,168 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 08:12:39,168 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 08:12:39,168 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 08:12:39,169 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 08:12:39,169 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 08:12:39,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 08:12:39,169 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 08:12:39,169 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 08:12:39,170 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 08:12:39,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 08:12:39,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 08:12:39,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 08:12:39,429 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 08:12:39,429 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 08:12:39,430 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i [2023-04-03 08:12:40,575 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 08:12:41,119 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 08:12:41,119 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i [2023-04-03 08:12:41,167 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05e1bae44/93278fb78b124f319e2e2cf8ba9c4bf3/FLAG5a46b7c43 [2023-04-03 08:12:41,182 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05e1bae44/93278fb78b124f319e2e2cf8ba9c4bf3 [2023-04-03 08:12:41,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 08:12:41,186 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 08:12:41,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 08:12:41,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 08:12:41,193 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 08:12:41,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 08:12:41" (1/1) ... [2023-04-03 08:12:41,196 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b25199e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:12:41, skipping insertion in model container [2023-04-03 08:12:41,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 08:12:41" (1/1) ... [2023-04-03 08:12:41,201 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 08:12:41,332 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 08:12:43,037 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i[293480,293493] [2023-04-03 08:12:43,041 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i[293625,293638] [2023-04-03 08:12:43,059 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 08:12:43,096 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 08:12:43,398 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i[293480,293493] [2023-04-03 08:12:43,399 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i[293625,293638] [2023-04-03 08:12:43,407 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 08:12:43,528 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 08:12:43,528 WARN L667 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 08:12:43,534 INFO L208 MainTranslator]: Completed translation [2023-04-03 08:12:43,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:12:43 WrapperNode [2023-04-03 08:12:43,535 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 08:12:43,536 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 08:12:43,536 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 08:12:43,536 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 08:12:43,546 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:12:43" (1/1) ... [2023-04-03 08:12:43,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:12:43" (1/1) ... [2023-04-03 08:12:43,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:12:43" (1/1) ... [2023-04-03 08:12:43,626 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:12:43" (1/1) ... [2023-04-03 08:12:43,796 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:12:43" (1/1) ... [2023-04-03 08:12:43,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:12:43" (1/1) ... [2023-04-03 08:12:43,860 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:12:43" (1/1) ... [2023-04-03 08:12:43,885 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:12:43" (1/1) ... [2023-04-03 08:12:43,927 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 08:12:43,929 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 08:12:43,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 08:12:43,929 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 08:12:43,930 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:12:43" (1/1) ... [2023-04-03 08:12:43,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 08:12:43,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 08:12:43,960 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) [2023-04-03 08:12:43,989 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 [2023-04-03 08:12:44,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 08:12:44,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 08:12:44,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-04-03 08:12:44,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-04-03 08:12:44,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 08:12:44,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2023-04-03 08:12:44,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-04-03 08:12:44,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2023-04-03 08:12:44,006 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-04-03 08:12:44,006 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-04-03 08:12:44,006 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_is_locked [2023-04-03 08:12:44,006 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-03 08:12:44,006 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-03 08:12:44,006 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2023-04-03 08:12:44,006 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-04-03 08:12:44,006 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2023-04-03 08:12:44,006 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-04-03 08:12:44,006 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-04-03 08:12:44,006 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-04-03 08:12:44,007 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2023-04-03 08:12:44,007 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2023-04-03 08:12:44,007 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2023-04-03 08:12:44,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-04-03 08:12:44,007 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2023-04-03 08:12:44,007 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2023-04-03 08:12:44,007 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2023-04-03 08:12:44,007 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_rel [2023-04-03 08:12:44,007 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2023-04-03 08:12:44,007 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2023-04-03 08:12:44,007 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2023-04-03 08:12:44,007 INFO L138 BoogieDeclarations]: Found implementation of procedure free_imon_context [2023-04-03 08:12:44,007 INFO L138 BoogieDeclarations]: Found implementation of procedure display_open [2023-04-03 08:12:44,008 INFO L138 BoogieDeclarations]: Found implementation of procedure display_close [2023-04-03 08:12:44,008 INFO L138 BoogieDeclarations]: Found implementation of procedure send_packet [2023-04-03 08:12:44,008 INFO L138 BoogieDeclarations]: Found implementation of procedure send_associate_24g [2023-04-03 08:12:44,008 INFO L138 BoogieDeclarations]: Found implementation of procedure send_set_imon_clock [2023-04-03 08:12:44,008 INFO L138 BoogieDeclarations]: Found implementation of procedure show_associate_remote [2023-04-03 08:12:44,008 INFO L138 BoogieDeclarations]: Found implementation of procedure store_associate_remote [2023-04-03 08:12:44,008 INFO L138 BoogieDeclarations]: Found implementation of procedure show_imon_clock [2023-04-03 08:12:44,009 INFO L138 BoogieDeclarations]: Found implementation of procedure store_imon_clock [2023-04-03 08:12:44,009 INFO L138 BoogieDeclarations]: Found implementation of procedure vfd_write [2023-04-03 08:12:44,009 INFO L138 BoogieDeclarations]: Found implementation of procedure lcd_write [2023-04-03 08:12:44,009 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_tx_callback [2023-04-03 08:12:44,009 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_touch_display_timeout [2023-04-03 08:12:44,010 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_ir_change_protocol [2023-04-03 08:12:44,010 INFO L138 BoogieDeclarations]: Found implementation of procedure tv2int [2023-04-03 08:12:44,010 INFO L138 BoogieDeclarations]: Found implementation of procedure stabilize [2023-04-03 08:12:44,010 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_remote_key_lookup [2023-04-03 08:12:44,010 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_mce_key_lookup [2023-04-03 08:12:44,010 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_panel_key_lookup [2023-04-03 08:12:44,011 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_mouse_event [2023-04-03 08:12:44,011 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_touch_event [2023-04-03 08:12:44,011 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_pad_to_keys [2023-04-03 08:12:44,011 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_parse_press_type [2023-04-03 08:12:44,011 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_incoming_packet [2023-04-03 08:12:44,011 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_rx_callback_intf0 [2023-04-03 08:12:44,011 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_rx_callback_intf1 [2023-04-03 08:12:44,011 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_get_ffdc_type [2023-04-03 08:12:44,011 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_set_display_type [2023-04-03 08:12:44,012 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_init_rdev [2023-04-03 08:12:44,012 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_init_idev [2023-04-03 08:12:44,012 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_init_touch [2023-04-03 08:12:44,012 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_find_endpoints [2023-04-03 08:12:44,012 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_init_intf0 [2023-04-03 08:12:44,012 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_init_intf1 [2023-04-03 08:12:44,012 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_init_display [2023-04-03 08:12:44,012 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_probe [2023-04-03 08:12:44,012 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_disconnect [2023-04-03 08:12:44,012 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_suspend [2023-04-03 08:12:44,012 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_resume [2023-04-03 08:12:44,012 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_driver_init [2023-04-03 08:12:44,012 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_driver_exit [2023-04-03 08:12:44,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_imon_driver_exit_11_2 [2023-04-03 08:12:44,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_imon_driver_init_11_11 [2023-04-03 08:12:44,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_allocate_external_0 [2023-04-03 08:12:44,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-04-03 08:12:44,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_9_1 [2023-04-03 08:12:44,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_dummy_resourceless_instance_6_11_4 [2023-04-03 08:12:44,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_file_operations_instance_5_11_5 [2023-04-03 08:12:44,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_deregister_6_2 [2023-04-03 08:12:44,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_deregister_7_1 [2023-04-03 08:12:44,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_6_3 [2023-04-03 08:12:44,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_8_2 [2023-04-03 08:12:44,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_10_2 [2023-04-03 08:12:44,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_dummy_resourceless_instance_6_11_6 [2023-04-03 08:12:44,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_file_operations_instance_5_11_7 [2023-04-03 08:12:44,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_3 [2023-04-03 08:12:44,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_9 [2023-04-03 08:12:44,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_3 [2023-04-03 08:12:44,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_3_9 [2023-04-03 08:12:44,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_11 [2023-04-03 08:12:44,015 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 08:12:44,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_file_operations_instance_0 [2023-04-03 08:12:44,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_file_operations_instance_1 [2023-04-03 08:12:44,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_0_5 [2023-04-03 08:12:44,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_callback_1_5 [2023-04-03 08:12:44,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_probe_0_12 [2023-04-03 08:12:44,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_probe_1_12 [2023-04-03 08:12:44,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_release_0_2 [2023-04-03 08:12:44,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_release_1_2 [2023-04-03 08:12:44,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_write_0_4 [2023-04-03 08:12:44,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_instance_write_1_4 [2023-04-03 08:12:44,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_external_data [2023-04-03 08:12:44,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-04-03 08:12:44,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_device_attribute_dummy_resourceless_instance_2 [2023-04-03 08:12:44,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_device_attribute_dummy_resourceless_instance_3 [2023-04-03 08:12:44,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-04-03 08:12:44,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-04-03 08:12:44,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_15 [2023-04-03 08:12:44,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2023-04-03 08:12:44,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_15 [2023-04-03 08:12:44,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2023-04-03 08:12:44,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_1 [2023-04-03 08:12:44,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_5 [2023-04-03 08:12:44,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_1 [2023-04-03 08:12:44,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_5 [2023-04-03 08:12:44,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_1 [2023-04-03 08:12:44,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_3 [2023-04-03 08:12:44,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_5_1 [2023-04-03 08:12:44,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_5_15 [2023-04-03 08:12:44,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_6_1 [2023-04-03 08:12:44,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_6_4 [2023-04-03 08:12:44,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_4_2 [2023-04-03 08:12:44,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_4 [2023-04-03 08:12:44,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister [2023-04-03 08:12:44,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_dummy_factory_6 [2023-04-03 08:12:44,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_post_5_9 [2023-04-03 08:12:44,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_pre_5_10 [2023-04-03 08:12:44,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_probe_5_13 [2023-04-03 08:12:44,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_5_4 [2023-04-03 08:12:44,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_resume_5_7 [2023-04-03 08:12:44,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_suspend_5_8 [2023-04-03 08:12:44,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver [2023-04-03 08:12:44,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_usb_instance_5 [2023-04-03 08:12:44,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata_39 [2023-04-03 08:12:44,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata_40 [2023-04-03 08:12:44,029 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-03 08:12:44,029 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-04-03 08:12:44,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata_52 [2023-04-03 08:12:44,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_53 [2023-04-03 08:12:44,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata_54 [2023-04-03 08:12:44,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata_55 [2023-04-03 08:12:44,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata_56 [2023-04-03 08:12:44,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata_57 [2023-04-03 08:12:44,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_58 [2023-04-03 08:12:44,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_59 [2023-04-03 08:12:44,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_60 [2023-04-03 08:12:44,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_62 [2023-04-03 08:12:44,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_63 [2023-04-03 08:12:44,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_65 [2023-04-03 08:12:44,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_67 [2023-04-03 08:12:44,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_69 [2023-04-03 08:12:44,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_71 [2023-04-03 08:12:44,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_74 [2023-04-03 08:12:44,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_76 [2023-04-03 08:12:44,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_79 [2023-04-03 08:12:44,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_81 [2023-04-03 08:12:44,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_82 [2023-04-03 08:12:44,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_83 [2023-04-03 08:12:44,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_84 [2023-04-03 08:12:44,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_85 [2023-04-03 08:12:44,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_86 [2023-04-03 08:12:44,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_87 [2023-04-03 08:12:44,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_88 [2023-04-03 08:12:44,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_89 [2023-04-03 08:12:44,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_90 [2023-04-03 08:12:44,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_91 [2023-04-03 08:12:44,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_92 [2023-04-03 08:12:44,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-04-03 08:12:44,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-04-03 08:12:44,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-04-03 08:12:44,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-04-03 08:12:44,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2023-04-03 08:12:44,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-03 08:12:44,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-03 08:12:44,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-03 08:12:44,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-03 08:12:44,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-04-03 08:12:44,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2023-04-03 08:12:44,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2023-04-03 08:12:44,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-04-03 08:12:44,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2023-04-03 08:12:44,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-04-03 08:12:44,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-03 08:12:44,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-03 08:12:44,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2023-04-03 08:12:44,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-03 08:12:44,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2023-04-03 08:12:44,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-03 08:12:44,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-04-03 08:12:44,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-04-03 08:12:44,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2023-04-03 08:12:44,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-03 08:12:44,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-03 08:12:44,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2023-04-03 08:12:44,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2023-04-03 08:12:44,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2023-04-03 08:12:44,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2023-04-03 08:12:44,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2023-04-03 08:12:44,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2023-04-03 08:12:44,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_alloc_lock_of_task_struct [2023-04-03 08:12:44,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2023-04-03 08:12:44,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2023-04-03 08:12:44,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2023-04-03 08:12:44,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2023-04-03 08:12:44,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2023-04-03 08:12:44,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2023-04-03 08:12:44,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2023-04-03 08:12:44,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_i_lock_of_inode [2023-04-03 08:12:44,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_i_lock_of_inode [2023-04-03 08:12:44,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_i_lock_of_inode [2023-04-03 08:12:44,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_i_lock_of_inode [2023-04-03 08:12:44,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_i_lock_of_inode [2023-04-03 08:12:44,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_i_lock_of_inode [2023-04-03 08:12:44,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_i_lock_of_inode [2023-04-03 08:12:44,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2023-04-03 08:12:44,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_kc_lock_of_imon_context [2023-04-03 08:12:44,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_kc_lock_of_imon_context [2023-04-03 08:12:44,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_kc_lock_of_imon_context [2023-04-03 08:12:44,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_kc_lock_of_imon_context [2023-04-03 08:12:44,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_kc_lock_of_imon_context [2023-04-03 08:12:44,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_kc_lock_of_imon_context [2023-04-03 08:12:44,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_kc_lock_of_imon_context [2023-04-03 08:12:44,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_kc_lock_of_imon_context [2023-04-03 08:12:44,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock [2023-04-03 08:12:44,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock [2023-04-03 08:12:44,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock [2023-04-03 08:12:44,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock [2023-04-03 08:12:44,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock [2023-04-03 08:12:44,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock [2023-04-03 08:12:44,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock [2023-04-03 08:12:44,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock [2023-04-03 08:12:44,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-04-03 08:12:44,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2023-04-03 08:12:44,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2023-04-03 08:12:44,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2023-04-03 08:12:44,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2023-04-03 08:12:44,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2023-04-03 08:12:44,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2023-04-03 08:12:44,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2023-04-03 08:12:44,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2023-04-03 08:12:44,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2023-04-03 08:12:44,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2023-04-03 08:12:44,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2023-04-03 08:12:44,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2023-04-03 08:12:44,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2023-04-03 08:12:44,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2023-04-03 08:12:44,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2023-04-03 08:12:44,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_ptl [2023-04-03 08:12:44,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_ptl [2023-04-03 08:12:44,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_ptl [2023-04-03 08:12:44,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_ptl [2023-04-03 08:12:44,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_ptl [2023-04-03 08:12:44,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_ptl [2023-04-03 08:12:44,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_ptl [2023-04-03 08:12:44,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_ptl [2023-04-03 08:12:44,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-04-03 08:12:44,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_siglock_of_sighand_struct [2023-04-03 08:12:44,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_siglock_of_sighand_struct [2023-04-03 08:12:44,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2023-04-03 08:12:44,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2023-04-03 08:12:44,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2023-04-03 08:12:44,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2023-04-03 08:12:44,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2023-04-03 08:12:44,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-03 08:12:44,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-04-03 08:12:44,041 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 08:12:44,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_alloc_spinlock__nonatomic [2023-04-03 08:12:44,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_alloc_spinlock__wrong_flags [2023-04-03 08:12:44,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2023-04-03 08:12:44,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2023-04-03 08:12:44,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-04-03 08:12:44,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-04-03 08:12:44,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-04-03 08:12:44,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-04-03 08:12:44,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-03 08:12:44,042 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-04-03 08:12:44,042 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-04-03 08:12:44,042 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-03 08:12:44,042 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2023-04-03 08:12:44,042 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_all [2023-04-03 08:12:44,042 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-04-03 08:12:44,042 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-04-03 08:12:44,042 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-04-03 08:12:44,042 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2023-04-03 08:12:44,042 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-04-03 08:12:44,042 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2023-04-03 08:12:44,042 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2023-04-03 08:12:44,042 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2023-04-03 08:12:44,042 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2023-04-03 08:12:44,043 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2023-04-03 08:12:44,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-04-03 08:12:44,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-04-03 08:12:44,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-03 08:12:44,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2023-04-03 08:12:44,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_usb_register_driver [2023-04-03 08:12:44,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-04-03 08:12:44,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-04-03 08:12:44,043 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-04-03 08:12:44,043 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-04-03 08:12:44,043 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-04-03 08:12:44,043 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-04-03 08:12:44,043 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-03 08:12:44,043 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2023-04-03 08:12:44,043 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-03 08:12:44,043 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_allocate_device [2023-04-03 08:12:44,043 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_free_device [2023-04-03 08:12:44,044 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_g_keycode_from_table [2023-04-03 08:12:44,044 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_keydown [2023-04-03 08:12:44,044 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_keyup [2023-04-03 08:12:44,044 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_register_device [2023-04-03 08:12:44,044 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_unregister_device [2023-04-03 08:12:44,044 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2023-04-03 08:12:44,044 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2023-04-03 08:12:44,044 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2023-04-03 08:12:44,044 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2023-04-03 08:12:44,044 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2023-04-03 08:12:44,044 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2023-04-03 08:12:44,044 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_find_interface [2023-04-03 08:12:44,044 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-04-03 08:12:44,044 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2023-04-03 08:12:44,044 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2023-04-03 08:12:44,044 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-04-03 08:12:44,044 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2023-04-03 08:12:44,045 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2023-04-03 08:12:44,045 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_interruptible [2023-04-03 08:12:44,045 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-03 08:12:44,045 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-03 08:12:44,045 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-03 08:12:44,045 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-04-03 08:12:44,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-03 08:12:44,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-03 08:12:44,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2023-04-03 08:12:44,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2023-04-03 08:12:44,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2023-04-03 08:12:44,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-04-03 08:12:44,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_usb_register_driver [2023-04-03 08:12:44,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-03 08:12:44,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-04-03 08:12:44,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-03 08:12:44,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-04-03 08:12:44,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-04-03 08:12:44,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-03 08:12:44,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-04-03 08:12:44,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-04-03 08:12:44,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-04-03 08:12:44,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-04-03 08:12:44,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2023-04-03 08:12:44,046 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2023-04-03 08:12:44,046 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-04-03 08:12:44,046 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2023-04-03 08:12:44,046 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-03 08:12:44,046 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-04-03 08:12:44,046 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-04-03 08:12:44,046 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2023-04-03 08:12:44,046 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2023-04-03 08:12:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-04-03 08:12:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-04-03 08:12:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-03 08:12:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2023-04-03 08:12:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2023-04-03 08:12:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2023-04-03 08:12:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-04-03 08:12:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-04-03 08:12:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 08:12:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-04-03 08:12:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_58 [2023-04-03 08:12:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_60 [2023-04-03 08:12:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_63 [2023-04-03 08:12:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_65 [2023-04-03 08:12:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_67 [2023-04-03 08:12:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_69 [2023-04-03 08:12:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_71 [2023-04-03 08:12:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_74 [2023-04-03 08:12:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_76 [2023-04-03 08:12:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_79 [2023-04-03 08:12:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_kc_lock_of_imon_context [2023-04-03 08:12:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_kc_lock_of_imon_context [2023-04-03 08:12:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-04-03 08:12:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-04-03 08:12:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-04-03 08:12:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_is_locked [2023-04-03 08:12:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-04-03 08:12:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-03 08:12:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-03 08:12:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-03 08:12:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-03 08:12:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-03 08:12:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_59 [2023-04-03 08:12:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-04-03 08:12:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2023-04-03 08:12:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-03 08:12:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 08:12:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 08:12:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 08:12:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_interruptible [2023-04-03 08:12:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2023-04-03 08:12:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure complete_all [2023-04-03 08:12:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2023-04-03 08:12:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2023-04-03 08:12:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2023-04-03 08:12:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-04-03 08:12:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-04-03 08:12:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-04-03 08:12:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_62 [2023-04-03 08:12:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-04-03 08:12:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_88 [2023-04-03 08:12:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-04-03 08:12:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2023-04-03 08:12:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-04-03 08:12:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2023-04-03 08:12:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata_39 [2023-04-03 08:12:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata_54 [2023-04-03 08:12:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata_55 [2023-04-03 08:12:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata_56 [2023-04-03 08:12:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata_57 [2023-04-03 08:12:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata_40 [2023-04-03 08:12:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata_52 [2023-04-03 08:12:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-04-03 08:12:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-04-03 08:12:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-04-03 08:12:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2023-04-03 08:12:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2023-04-03 08:12:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2023-04-03 08:12:44,051 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-04-03 08:12:44,051 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-04-03 08:12:44,051 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-04-03 08:12:44,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 08:12:44,051 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2023-04-03 08:12:44,051 INFO L130 BoogieDeclarations]: Found specification of procedure usb_find_interface [2023-04-03 08:12:44,051 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2023-04-03 08:12:44,051 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2023-04-03 08:12:44,051 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2023-04-03 08:12:44,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_91 [2023-04-03 08:12:44,051 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2023-04-03 08:12:44,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_92 [2023-04-03 08:12:44,051 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2023-04-03 08:12:44,051 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2023-04-03 08:12:44,051 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2023-04-03 08:12:44,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 08:12:44,052 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2023-04-03 08:12:44,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_83 [2023-04-03 08:12:44,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_84 [2023-04-03 08:12:44,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_86 [2023-04-03 08:12:44,052 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-04-03 08:12:44,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_53 [2023-04-03 08:12:44,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_81 [2023-04-03 08:12:44,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_82 [2023-04-03 08:12:44,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_85 [2023-04-03 08:12:44,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_87 [2023-04-03 08:12:44,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_89 [2023-04-03 08:12:44,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_90 [2023-04-03 08:12:44,053 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-04-03 08:12:44,053 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-04-03 08:12:44,053 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-03 08:12:44,053 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-03 08:12:44,053 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-04-03 08:12:44,053 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2023-04-03 08:12:44,053 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2023-04-03 08:12:44,053 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2023-04-03 08:12:44,053 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2023-04-03 08:12:44,053 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2023-04-03 08:12:44,053 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2023-04-03 08:12:44,053 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2023-04-03 08:12:44,053 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_rel [2023-04-03 08:12:44,053 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2023-04-03 08:12:44,053 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2023-04-03 08:12:44,053 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2023-04-03 08:12:44,054 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2023-04-03 08:12:44,054 INFO L130 BoogieDeclarations]: Found specification of procedure rc_allocate_device [2023-04-03 08:12:44,054 INFO L130 BoogieDeclarations]: Found specification of procedure rc_free_device [2023-04-03 08:12:44,054 INFO L130 BoogieDeclarations]: Found specification of procedure rc_register_device [2023-04-03 08:12:44,054 INFO L130 BoogieDeclarations]: Found specification of procedure rc_unregister_device [2023-04-03 08:12:44,054 INFO L130 BoogieDeclarations]: Found specification of procedure rc_keydown [2023-04-03 08:12:44,054 INFO L130 BoogieDeclarations]: Found specification of procedure rc_keyup [2023-04-03 08:12:44,054 INFO L130 BoogieDeclarations]: Found specification of procedure rc_g_keycode_from_table [2023-04-03 08:12:44,054 INFO L130 BoogieDeclarations]: Found specification of procedure imon_probe [2023-04-03 08:12:44,054 INFO L130 BoogieDeclarations]: Found specification of procedure imon_disconnect [2023-04-03 08:12:44,054 INFO L130 BoogieDeclarations]: Found specification of procedure usb_rx_callback_intf0 [2023-04-03 08:12:44,054 INFO L130 BoogieDeclarations]: Found specification of procedure usb_rx_callback_intf1 [2023-04-03 08:12:44,054 INFO L130 BoogieDeclarations]: Found specification of procedure usb_tx_callback [2023-04-03 08:12:44,054 INFO L130 BoogieDeclarations]: Found specification of procedure imon_resume [2023-04-03 08:12:44,054 INFO L130 BoogieDeclarations]: Found specification of procedure imon_suspend [2023-04-03 08:12:44,054 INFO L130 BoogieDeclarations]: Found specification of procedure display_open [2023-04-03 08:12:44,054 INFO L130 BoogieDeclarations]: Found specification of procedure display_close [2023-04-03 08:12:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure vfd_write [2023-04-03 08:12:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure lcd_write [2023-04-03 08:12:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure free_imon_context [2023-04-03 08:12:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure send_packet [2023-04-03 08:12:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure send_associate_24g [2023-04-03 08:12:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-03 08:12:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure send_set_imon_clock [2023-04-03 08:12:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure show_associate_remote [2023-04-03 08:12:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-04-03 08:12:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure store_associate_remote [2023-04-03 08:12:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure show_imon_clock [2023-04-03 08:12:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure store_imon_clock [2023-04-03 08:12:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure imon_touch_display_timeout [2023-04-03 08:12:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure imon_ir_change_protocol [2023-04-03 08:12:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure tv2int [2023-04-03 08:12:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure stabilize [2023-04-03 08:12:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure imon_remote_key_lookup [2023-04-03 08:12:44,056 INFO L130 BoogieDeclarations]: Found specification of procedure imon_mce_key_lookup [2023-04-03 08:12:44,056 INFO L130 BoogieDeclarations]: Found specification of procedure imon_panel_key_lookup [2023-04-03 08:12:44,056 INFO L130 BoogieDeclarations]: Found specification of procedure imon_mouse_event [2023-04-03 08:12:44,056 INFO L130 BoogieDeclarations]: Found specification of procedure imon_touch_event [2023-04-03 08:12:44,059 INFO L130 BoogieDeclarations]: Found specification of procedure imon_pad_to_keys [2023-04-03 08:12:44,059 INFO L130 BoogieDeclarations]: Found specification of procedure imon_parse_press_type [2023-04-03 08:12:44,059 INFO L130 BoogieDeclarations]: Found specification of procedure imon_incoming_packet [2023-04-03 08:12:44,059 INFO L130 BoogieDeclarations]: Found specification of procedure imon_get_ffdc_type [2023-04-03 08:12:44,059 INFO L130 BoogieDeclarations]: Found specification of procedure imon_set_display_type [2023-04-03 08:12:44,059 INFO L130 BoogieDeclarations]: Found specification of procedure imon_init_rdev [2023-04-03 08:12:44,059 INFO L130 BoogieDeclarations]: Found specification of procedure imon_init_idev [2023-04-03 08:12:44,059 INFO L130 BoogieDeclarations]: Found specification of procedure imon_init_touch [2023-04-03 08:12:44,059 INFO L130 BoogieDeclarations]: Found specification of procedure imon_find_endpoints [2023-04-03 08:12:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure imon_init_intf0 [2023-04-03 08:12:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure imon_init_intf1 [2023-04-03 08:12:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure imon_init_display [2023-04-03 08:12:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure imon_driver_init [2023-04-03 08:12:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure imon_driver_exit [2023-04-03 08:12:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_imon_driver_exit_11_2 [2023-04-03 08:12:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_imon_driver_init_11_11 [2023-04-03 08:12:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_allocate_external_0 [2023-04-03 08:12:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-04-03 08:12:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_9_1 [2023-04-03 08:12:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_dummy_resourceless_instance_6_11_4 [2023-04-03 08:12:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_file_operations_instance_5_11_5 [2023-04-03 08:12:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_deregister_6_2 [2023-04-03 08:12:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_deregister_7_1 [2023-04-03 08:12:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_6_3 [2023-04-03 08:12:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_8_2 [2023-04-03 08:12:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_10_2 [2023-04-03 08:12:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_dummy_resourceless_instance_6_11_6 [2023-04-03 08:12:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_file_operations_instance_5_11_7 [2023-04-03 08:12:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_3 [2023-04-03 08:12:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_9 [2023-04-03 08:12:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_3 [2023-04-03 08:12:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_3_9 [2023-04-03 08:12:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_11 [2023-04-03 08:12:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 08:12:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_file_operations_instance_0 [2023-04-03 08:12:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_file_operations_instance_1 [2023-04-03 08:12:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_0_5 [2023-04-03 08:12:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_callback_1_5 [2023-04-03 08:12:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_probe_0_12 [2023-04-03 08:12:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_probe_1_12 [2023-04-03 08:12:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_release_0_2 [2023-04-03 08:12:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_release_1_2 [2023-04-03 08:12:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_write_0_4 [2023-04-03 08:12:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_instance_write_1_4 [2023-04-03 08:12:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_external_data [2023-04-03 08:12:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-04-03 08:12:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_device_attribute_dummy_resourceless_instance_2 [2023-04-03 08:12:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_device_attribute_dummy_resourceless_instance_3 [2023-04-03 08:12:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-04-03 08:12:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-04-03 08:12:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_15 [2023-04-03 08:12:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2023-04-03 08:12:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_15 [2023-04-03 08:12:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2023-04-03 08:12:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_1 [2023-04-03 08:12:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_5 [2023-04-03 08:12:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_1 [2023-04-03 08:12:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_5 [2023-04-03 08:12:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_1 [2023-04-03 08:12:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_3 [2023-04-03 08:12:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_5_1 [2023-04-03 08:12:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_5_15 [2023-04-03 08:12:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_6_1 [2023-04-03 08:12:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_6_4 [2023-04-03 08:12:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_4_2 [2023-04-03 08:12:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_4 [2023-04-03 08:12:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister [2023-04-03 08:12:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_dummy_factory_6 [2023-04-03 08:12:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_post_5_9 [2023-04-03 08:12:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_pre_5_10 [2023-04-03 08:12:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_probe_5_13 [2023-04-03 08:12:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_5_4 [2023-04-03 08:12:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_resume_5_7 [2023-04-03 08:12:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_suspend_5_8 [2023-04-03 08:12:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver [2023-04-03 08:12:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_usb_instance_5 [2023-04-03 08:12:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-03 08:12:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-04-03 08:12:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-04-03 08:12:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_alloc_spinlock__nonatomic [2023-04-03 08:12:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_alloc_spinlock__wrong_flags [2023-04-03 08:12:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-04-03 08:12:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-04-03 08:12:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2023-04-03 08:12:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-03 08:12:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2023-04-03 08:12:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-03 08:12:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-03 08:12:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-03 08:12:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-03 08:12:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-04-03 08:12:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-04-03 08:12:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2023-04-03 08:12:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2023-04-03 08:12:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 08:12:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-03 08:12:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 08:12:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-03 08:12:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 08:12:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-03 08:12:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-03 08:12:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2023-04-03 08:12:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2023-04-03 08:12:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 08:12:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-03 08:12:44,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2023-04-03 08:12:44,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2023-04-03 08:12:44,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2023-04-03 08:12:44,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2023-04-03 08:12:44,066 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-04-03 08:12:44,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_alloc_lock_of_task_struct [2023-04-03 08:12:44,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2023-04-03 08:12:44,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2023-04-03 08:12:44,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2023-04-03 08:12:44,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2023-04-03 08:12:44,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2023-04-03 08:12:44,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2023-04-03 08:12:44,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2023-04-03 08:12:44,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_i_lock_of_inode [2023-04-03 08:12:44,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_i_lock_of_inode [2023-04-03 08:12:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_i_lock_of_inode [2023-04-03 08:12:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_i_lock_of_inode [2023-04-03 08:12:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_i_lock_of_inode [2023-04-03 08:12:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_i_lock_of_inode [2023-04-03 08:12:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_i_lock_of_inode [2023-04-03 08:12:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2023-04-03 08:12:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_kc_lock_of_imon_context [2023-04-03 08:12:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_kc_lock_of_imon_context [2023-04-03 08:12:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_kc_lock_of_imon_context [2023-04-03 08:12:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_kc_lock_of_imon_context [2023-04-03 08:12:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_kc_lock_of_imon_context [2023-04-03 08:12:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_kc_lock_of_imon_context [2023-04-03 08:12:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock [2023-04-03 08:12:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock [2023-04-03 08:12:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock [2023-04-03 08:12:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock [2023-04-03 08:12:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock [2023-04-03 08:12:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock [2023-04-03 08:12:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock [2023-04-03 08:12:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock [2023-04-03 08:12:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2023-04-03 08:12:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2023-04-03 08:12:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2023-04-03 08:12:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2023-04-03 08:12:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2023-04-03 08:12:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2023-04-03 08:12:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2023-04-03 08:12:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2023-04-03 08:12:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2023-04-03 08:12:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2023-04-03 08:12:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2023-04-03 08:12:44,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2023-04-03 08:12:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2023-04-03 08:12:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2023-04-03 08:12:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2023-04-03 08:12:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2023-04-03 08:12:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_ptl [2023-04-03 08:12:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_ptl [2023-04-03 08:12:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_ptl [2023-04-03 08:12:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_ptl [2023-04-03 08:12:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_ptl [2023-04-03 08:12:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_ptl [2023-04-03 08:12:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_ptl [2023-04-03 08:12:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_ptl [2023-04-03 08:12:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2023-04-03 08:12:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_siglock_of_sighand_struct [2023-04-03 08:12:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_siglock_of_sighand_struct [2023-04-03 08:12:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2023-04-03 08:12:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2023-04-03 08:12:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2023-04-03 08:12:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2023-04-03 08:12:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2023-04-03 08:12:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 08:12:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 08:12:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-03 08:12:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-03 08:12:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 08:12:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2023-04-03 08:12:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-03 08:12:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 08:12:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 08:12:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-03 08:12:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 08:12:44,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-03 08:12:44,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-03 08:12:44,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-03 08:12:44,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-03 08:12:44,893 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 08:12:44,900 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 08:12:45,041 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-03 08:13:01,863 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint mainFINAL: assume true; [2023-04-03 08:13:03,489 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 08:13:05,707 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 08:13:05,707 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-04-03 08:13:05,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 08:13:05 BoogieIcfgContainer [2023-04-03 08:13:05,714 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 08:13:05,717 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 08:13:05,717 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 08:13:05,720 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 08:13:05,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 08:12:41" (1/3) ... [2023-04-03 08:13:05,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28845d08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 08:13:05, skipping insertion in model container [2023-04-03 08:13:05,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:12:43" (2/3) ... [2023-04-03 08:13:05,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28845d08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 08:13:05, skipping insertion in model container [2023-04-03 08:13:05,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 08:13:05" (3/3) ... [2023-04-03 08:13:05,722 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i [2023-04-03 08:13:05,742 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 08:13:05,742 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-04-03 08:13:05,842 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 08:13:05,848 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=FINITE_AUTOMATA, 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;@67ecd636, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 08:13:05,848 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-04-03 08:13:05,861 INFO L276 IsEmpty]: Start isEmpty. Operand has 2355 states, 1280 states have (on average 1.2390625) internal successors, (1586), 1318 states have internal predecessors, (1586), 752 states have call successors, (752), 252 states have call predecessors, (752), 250 states have return successors, (745), 732 states have call predecessors, (745), 745 states have call successors, (745) [2023-04-03 08:13:05,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2023-04-03 08:13:05,904 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:13:05,905 INFO L195 NwaCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:13:05,905 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 08:13:05,911 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:13:05,911 INFO L85 PathProgramCache]: Analyzing trace with hash -1445369855, now seen corresponding path program 1 times [2023-04-03 08:13:05,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:13:05,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867489888] [2023-04-03 08:13:05,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:13:05,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:13:06,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:13:07,276 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2023-04-03 08:13:07,277 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:13:07,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867489888] [2023-04-03 08:13:07,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867489888] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:13:07,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:13:07,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 08:13:07,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964719117] [2023-04-03 08:13:07,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:13:07,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 08:13:07,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:13:07,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 08:13:07,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 08:13:07,405 INFO L87 Difference]: Start difference. First operand has 2355 states, 1280 states have (on average 1.2390625) internal successors, (1586), 1318 states have internal predecessors, (1586), 752 states have call successors, (752), 252 states have call predecessors, (752), 250 states have return successors, (745), 732 states have call predecessors, (745), 745 states have call successors, (745) Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2023-04-03 08:13:10,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:13:10,964 INFO L93 Difference]: Finished difference Result 4298 states and 5863 transitions. [2023-04-03 08:13:10,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 08:13:10,967 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 264 [2023-04-03 08:13:10,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:13:10,994 INFO L225 Difference]: With dead ends: 4298 [2023-04-03 08:13:10,995 INFO L226 Difference]: Without dead ends: 2536 [2023-04-03 08:13:11,008 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 08:13:11,011 INFO L413 NwaCegarLoop]: 2096 mSDtfsCounter, 1224 mSDsluCounter, 2042 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1224 SdHoareTripleChecker+Valid, 4138 SdHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-04-03 08:13:11,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1224 Valid, 4138 Invalid, 468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-04-03 08:13:11,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2536 states. [2023-04-03 08:13:11,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2536 to 2526. [2023-04-03 08:13:11,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2526 states, 1436 states have (on average 1.2444289693593316) internal successors, (1787), 1470 states have internal predecessors, (1787), 787 states have call successors, (787), 303 states have call predecessors, (787), 302 states have return successors, (789), 769 states have call predecessors, (789), 786 states have call successors, (789) [2023-04-03 08:13:11,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2526 states to 2526 states and 3363 transitions. [2023-04-03 08:13:11,229 INFO L78 Accepts]: Start accepts. Automaton has 2526 states and 3363 transitions. Word has length 264 [2023-04-03 08:13:11,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:13:11,230 INFO L495 AbstractCegarLoop]: Abstraction has 2526 states and 3363 transitions. [2023-04-03 08:13:11,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2023-04-03 08:13:11,230 INFO L276 IsEmpty]: Start isEmpty. Operand 2526 states and 3363 transitions. [2023-04-03 08:13:11,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2023-04-03 08:13:11,240 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:13:11,240 INFO L195 NwaCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:13:11,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 08:13:11,241 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 08:13:11,241 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:13:11,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1131973874, now seen corresponding path program 1 times [2023-04-03 08:13:11,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:13:11,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925374232] [2023-04-03 08:13:11,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:13:11,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:13:11,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:13:11,994 INFO L134 CoverageAnalysis]: Checked inductivity of 1409 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1409 trivial. 0 not checked. [2023-04-03 08:13:11,995 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:13:11,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925374232] [2023-04-03 08:13:11,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925374232] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:13:11,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:13:11,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 08:13:11,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246163811] [2023-04-03 08:13:11,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:13:12,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 08:13:12,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:13:12,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 08:13:12,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 08:13:12,002 INFO L87 Difference]: Start difference. First operand 2526 states and 3363 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2023-04-03 08:13:13,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:13:16,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:13:16,111 INFO L93 Difference]: Finished difference Result 7280 states and 9714 transitions. [2023-04-03 08:13:16,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 08:13:16,112 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 281 [2023-04-03 08:13:16,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:13:16,144 INFO L225 Difference]: With dead ends: 7280 [2023-04-03 08:13:16,145 INFO L226 Difference]: Without dead ends: 4806 [2023-04-03 08:13:16,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 08:13:16,158 INFO L413 NwaCegarLoop]: 2015 mSDtfsCounter, 2004 mSDsluCounter, 1981 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2004 SdHoareTripleChecker+Valid, 3996 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2023-04-03 08:13:16,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2004 Valid, 3996 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2023-04-03 08:13:16,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4806 states. [2023-04-03 08:13:16,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4806 to 4792. [2023-04-03 08:13:16,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4792 states, 2738 states have (on average 1.2468955441928415) internal successors, (3414), 2809 states have internal predecessors, (3414), 1482 states have call successors, (1482), 572 states have call predecessors, (1482), 571 states have return successors, (1493), 1443 states have call predecessors, (1493), 1481 states have call successors, (1493) [2023-04-03 08:13:16,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4792 states to 4792 states and 6389 transitions. [2023-04-03 08:13:16,407 INFO L78 Accepts]: Start accepts. Automaton has 4792 states and 6389 transitions. Word has length 281 [2023-04-03 08:13:16,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:13:16,409 INFO L495 AbstractCegarLoop]: Abstraction has 4792 states and 6389 transitions. [2023-04-03 08:13:16,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2023-04-03 08:13:16,409 INFO L276 IsEmpty]: Start isEmpty. Operand 4792 states and 6389 transitions. [2023-04-03 08:13:16,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2023-04-03 08:13:16,421 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:13:16,421 INFO L195 NwaCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:13:16,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 08:13:16,422 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 08:13:16,422 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:13:16,422 INFO L85 PathProgramCache]: Analyzing trace with hash -693991974, now seen corresponding path program 1 times [2023-04-03 08:13:16,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:13:16,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608124768] [2023-04-03 08:13:16,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:13:16,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:13:16,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:13:17,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1409 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1409 trivial. 0 not checked. [2023-04-03 08:13:17,201 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:13:17,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608124768] [2023-04-03 08:13:17,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608124768] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:13:17,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:13:17,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 08:13:17,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675374828] [2023-04-03 08:13:17,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:13:17,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 08:13:17,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:13:17,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 08:13:17,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 08:13:17,204 INFO L87 Difference]: Start difference. First operand 4792 states and 6389 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2023-04-03 08:13:19,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:13:21,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:13:23,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:13:23,304 INFO L93 Difference]: Finished difference Result 13928 states and 18565 transitions. [2023-04-03 08:13:23,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 08:13:23,309 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 288 [2023-04-03 08:13:23,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:13:23,368 INFO L225 Difference]: With dead ends: 13928 [2023-04-03 08:13:23,368 INFO L226 Difference]: Without dead ends: 9188 [2023-04-03 08:13:23,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 08:13:23,395 INFO L413 NwaCegarLoop]: 2230 mSDtfsCounter, 2000 mSDsluCounter, 1983 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2000 SdHoareTripleChecker+Valid, 4213 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2023-04-03 08:13:23,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2000 Valid, 4213 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 452 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2023-04-03 08:13:23,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9188 states. [2023-04-03 08:13:23,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9188 to 9162. [2023-04-03 08:13:23,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9162 states, 5235 states have (on average 1.2422158548233047) internal successors, (6503), 5380 states have internal predecessors, (6503), 2828 states have call successors, (2828), 1099 states have call predecessors, (2828), 1098 states have return successors, (2859), 2747 states have call predecessors, (2859), 2827 states have call successors, (2859) [2023-04-03 08:13:23,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9162 states to 9162 states and 12190 transitions. [2023-04-03 08:13:23,906 INFO L78 Accepts]: Start accepts. Automaton has 9162 states and 12190 transitions. Word has length 288 [2023-04-03 08:13:23,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:13:23,907 INFO L495 AbstractCegarLoop]: Abstraction has 9162 states and 12190 transitions. [2023-04-03 08:13:23,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2023-04-03 08:13:23,908 INFO L276 IsEmpty]: Start isEmpty. Operand 9162 states and 12190 transitions. [2023-04-03 08:13:23,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2023-04-03 08:13:23,922 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:13:23,922 INFO L195 NwaCegarLoop]: trace histogram [21, 19, 19, 19, 19, 19, 19, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:13:23,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 08:13:23,923 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 08:13:23,924 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:13:23,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1537578587, now seen corresponding path program 1 times [2023-04-03 08:13:23,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:13:23,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159358320] [2023-04-03 08:13:23,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:13:23,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:13:24,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:13:24,503 INFO L134 CoverageAnalysis]: Checked inductivity of 1455 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1446 trivial. 0 not checked. [2023-04-03 08:13:24,503 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:13:24,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159358320] [2023-04-03 08:13:24,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159358320] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:13:24,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:13:24,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 08:13:24,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92919209] [2023-04-03 08:13:24,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:13:24,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 08:13:24,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:13:24,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 08:13:24,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 08:13:24,505 INFO L87 Difference]: Start difference. First operand 9162 states and 12190 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 4 states have call successors, (44), 3 states have call predecessors, (44), 2 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2023-04-03 08:13:31,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:13:33,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:13:36,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:13:39,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:13:43,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:13:50,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:13:51,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:13:54,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:13:56,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:13:59,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:14:01,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:14:02,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:14:08,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:14:08,959 INFO L93 Difference]: Finished difference Result 21522 states and 28570 transitions. [2023-04-03 08:14:08,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 08:14:08,959 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 4 states have call successors, (44), 3 states have call predecessors, (44), 2 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) Word has length 294 [2023-04-03 08:14:08,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:14:09,051 INFO L225 Difference]: With dead ends: 21522 [2023-04-03 08:14:09,051 INFO L226 Difference]: Without dead ends: 12412 [2023-04-03 08:14:09,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-04-03 08:14:09,098 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 2830 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 6479 mSolverCounterSat, 1055 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3341 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 7539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1055 IncrementalHoareTripleChecker+Valid, 6479 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.9s IncrementalHoareTripleChecker+Time [2023-04-03 08:14:09,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3341 Valid, 279 Invalid, 7539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1055 Valid, 6479 Invalid, 5 Unknown, 0 Unchecked, 43.9s Time] [2023-04-03 08:14:09,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12412 states. [2023-04-03 08:14:09,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12412 to 12348. [2023-04-03 08:14:09,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12348 states, 7081 states have (on average 1.238949300946194) internal successors, (8773), 7286 states have internal predecessors, (8773), 3744 states have call successors, (3744), 1485 states have call predecessors, (3744), 1522 states have return successors, (3843), 3653 states have call predecessors, (3843), 3743 states have call successors, (3843) [2023-04-03 08:14:09,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12348 states to 12348 states and 16360 transitions. [2023-04-03 08:14:09,796 INFO L78 Accepts]: Start accepts. Automaton has 12348 states and 16360 transitions. Word has length 294 [2023-04-03 08:14:09,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:14:09,797 INFO L495 AbstractCegarLoop]: Abstraction has 12348 states and 16360 transitions. [2023-04-03 08:14:09,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 4 states have call successors, (44), 3 states have call predecessors, (44), 2 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2023-04-03 08:14:09,797 INFO L276 IsEmpty]: Start isEmpty. Operand 12348 states and 16360 transitions. [2023-04-03 08:14:09,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2023-04-03 08:14:09,809 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:14:09,809 INFO L195 NwaCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 5, 5, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:14:09,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 08:14:09,809 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 08:14:09,810 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:14:09,810 INFO L85 PathProgramCache]: Analyzing trace with hash 292059661, now seen corresponding path program 1 times [2023-04-03 08:14:09,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:14:09,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128408067] [2023-04-03 08:14:09,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:14:09,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:14:10,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:14:10,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1445 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1445 trivial. 0 not checked. [2023-04-03 08:14:10,363 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:14:10,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128408067] [2023-04-03 08:14:10,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128408067] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:14:10,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:14:10,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 08:14:10,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484121310] [2023-04-03 08:14:10,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:14:10,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 08:14:10,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:14:10,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 08:14:10,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 08:14:10,367 INFO L87 Difference]: Start difference. First operand 12348 states and 16360 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2023-04-03 08:14:14,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:14:15,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:14:15,784 INFO L93 Difference]: Finished difference Result 35524 states and 47042 transitions. [2023-04-03 08:14:15,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 08:14:15,785 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 306 [2023-04-03 08:14:15,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:14:15,889 INFO L225 Difference]: With dead ends: 35524 [2023-04-03 08:14:15,889 INFO L226 Difference]: Without dead ends: 23228 [2023-04-03 08:14:15,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 08:14:15,938 INFO L413 NwaCegarLoop]: 2011 mSDtfsCounter, 1956 mSDsluCounter, 1971 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1956 SdHoareTripleChecker+Valid, 3982 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-04-03 08:14:15,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1956 Valid, 3982 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 439 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2023-04-03 08:14:15,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23228 states. [2023-04-03 08:14:17,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23228 to 23154. [2023-04-03 08:14:17,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23154 states, 13345 states have (on average 1.2346946421880853) internal successors, (16477), 13778 states have internal predecessors, (16477), 6900 states have call successors, (6900), 2833 states have call predecessors, (6900), 2908 states have return successors, (7135), 6695 states have call predecessors, (7135), 6899 states have call successors, (7135) [2023-04-03 08:14:17,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23154 states to 23154 states and 30512 transitions. [2023-04-03 08:14:17,266 INFO L78 Accepts]: Start accepts. Automaton has 23154 states and 30512 transitions. Word has length 306 [2023-04-03 08:14:17,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:14:17,267 INFO L495 AbstractCegarLoop]: Abstraction has 23154 states and 30512 transitions. [2023-04-03 08:14:17,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2023-04-03 08:14:17,267 INFO L276 IsEmpty]: Start isEmpty. Operand 23154 states and 30512 transitions. [2023-04-03 08:14:17,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2023-04-03 08:14:17,285 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:14:17,286 INFO L195 NwaCegarLoop]: trace histogram [21, 19, 19, 19, 19, 19, 19, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:14:17,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 08:14:17,286 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 08:14:17,286 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:14:17,287 INFO L85 PathProgramCache]: Analyzing trace with hash 818880103, now seen corresponding path program 1 times [2023-04-03 08:14:17,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:14:17,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955418575] [2023-04-03 08:14:17,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:14:17,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:14:17,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:14:17,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1458 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1455 trivial. 0 not checked. [2023-04-03 08:14:17,954 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:14:17,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955418575] [2023-04-03 08:14:17,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955418575] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:14:17,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:14:17,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 08:14:17,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810188143] [2023-04-03 08:14:17,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:14:17,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 08:14:17,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:14:17,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 08:14:17,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 08:14:17,957 INFO L87 Difference]: Start difference. First operand 23154 states and 30512 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 4 states have call successors, (49), 3 states have call predecessors, (49), 2 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2023-04-03 08:14:25,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:14:26,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:14:31,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:14:35,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:14:37,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:14:39,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:14:43,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:14:47,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:14:52,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:14:53,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:14:58,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:15:02,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:15:02,530 INFO L93 Difference]: Finished difference Result 47102 states and 61864 transitions. [2023-04-03 08:15:02,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 08:15:02,531 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 4 states have call successors, (49), 3 states have call predecessors, (49), 2 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) Word has length 309 [2023-04-03 08:15:02,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:15:02,631 INFO L225 Difference]: With dead ends: 47102 [2023-04-03 08:15:02,632 INFO L226 Difference]: Without dead ends: 24000 [2023-04-03 08:15:02,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-04-03 08:15:02,694 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 2324 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 6582 mSolverCounterSat, 583 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2825 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 7171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 583 IncrementalHoareTripleChecker+Valid, 6582 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.6s IncrementalHoareTripleChecker+Time [2023-04-03 08:15:02,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2825 Valid, 145 Invalid, 7171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [583 Valid, 6582 Invalid, 6 Unknown, 0 Unchecked, 43.6s Time] [2023-04-03 08:15:02,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24000 states. [2023-04-03 08:15:03,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24000 to 23918. [2023-04-03 08:15:03,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23918 states, 13804 states have (on average 1.2313097652854246) internal successors, (16997), 14254 states have internal predecessors, (16997), 7037 states have call successors, (7037), 2976 states have call predecessors, (7037), 3076 states have return successors, (7299), 6843 states have call predecessors, (7299), 7036 states have call successors, (7299) [2023-04-03 08:15:04,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23918 states to 23918 states and 31333 transitions. [2023-04-03 08:15:04,065 INFO L78 Accepts]: Start accepts. Automaton has 23918 states and 31333 transitions. Word has length 309 [2023-04-03 08:15:04,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:15:04,066 INFO L495 AbstractCegarLoop]: Abstraction has 23918 states and 31333 transitions. [2023-04-03 08:15:04,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 4 states have call successors, (49), 3 states have call predecessors, (49), 2 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2023-04-03 08:15:04,066 INFO L276 IsEmpty]: Start isEmpty. Operand 23918 states and 31333 transitions. [2023-04-03 08:15:04,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2023-04-03 08:15:04,072 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:15:04,072 INFO L195 NwaCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 5, 5, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:15:04,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 08:15:04,072 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 08:15:04,073 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:15:04,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1700681704, now seen corresponding path program 1 times [2023-04-03 08:15:04,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:15:04,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128484845] [2023-04-03 08:15:04,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:15:04,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:15:04,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:15:04,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1445 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1445 trivial. 0 not checked. [2023-04-03 08:15:04,693 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:15:04,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128484845] [2023-04-03 08:15:04,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128484845] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:15:04,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:15:04,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 08:15:04,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577352788] [2023-04-03 08:15:04,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:15:04,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 08:15:04,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:15:04,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 08:15:04,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 08:15:04,695 INFO L87 Difference]: Start difference. First operand 23918 states and 31333 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2023-04-03 08:15:10,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:15:10,166 INFO L93 Difference]: Finished difference Result 66428 states and 86805 transitions. [2023-04-03 08:15:10,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 08:15:10,167 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 315 [2023-04-03 08:15:10,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:15:10,351 INFO L225 Difference]: With dead ends: 66428 [2023-04-03 08:15:10,352 INFO L226 Difference]: Without dead ends: 42562 [2023-04-03 08:15:10,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 08:15:10,427 INFO L413 NwaCegarLoop]: 2276 mSDtfsCounter, 1941 mSDsluCounter, 1973 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1941 SdHoareTripleChecker+Valid, 4249 SdHoareTripleChecker+Invalid, 476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-04-03 08:15:10,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1941 Valid, 4249 Invalid, 476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2023-04-03 08:15:10,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42562 states. [2023-04-03 08:15:12,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42562 to 42354. [2023-04-03 08:15:12,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42354 states, 24530 states have (on average 1.2237260497350184) internal successors, (30018), 25397 states have internal predecessors, (30018), 12235 states have call successors, (12235), 5412 states have call predecessors, (12235), 5588 states have return successors, (12781), 11823 states have call predecessors, (12781), 12234 states have call successors, (12781) [2023-04-03 08:15:12,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42354 states to 42354 states and 55034 transitions. [2023-04-03 08:15:12,723 INFO L78 Accepts]: Start accepts. Automaton has 42354 states and 55034 transitions. Word has length 315 [2023-04-03 08:15:12,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:15:12,724 INFO L495 AbstractCegarLoop]: Abstraction has 42354 states and 55034 transitions. [2023-04-03 08:15:12,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2023-04-03 08:15:12,724 INFO L276 IsEmpty]: Start isEmpty. Operand 42354 states and 55034 transitions. [2023-04-03 08:15:12,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2023-04-03 08:15:12,752 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:15:12,752 INFO L195 NwaCegarLoop]: trace histogram [24, 19, 19, 19, 19, 19, 19, 5, 5, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:15:12,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-03 08:15:12,753 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 08:15:12,753 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:15:12,753 INFO L85 PathProgramCache]: Analyzing trace with hash 511373897, now seen corresponding path program 1 times [2023-04-03 08:15:12,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:15:12,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754149284] [2023-04-03 08:15:12,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:15:12,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:15:12,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:15:13,350 INFO L134 CoverageAnalysis]: Checked inductivity of 1623 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1611 trivial. 0 not checked. [2023-04-03 08:15:13,350 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:15:13,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754149284] [2023-04-03 08:15:13,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754149284] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:15:13,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:15:13,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 08:15:13,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018338860] [2023-04-03 08:15:13,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:15:13,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 08:15:13,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:15:13,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 08:15:13,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 08:15:13,353 INFO L87 Difference]: Start difference. First operand 42354 states and 55034 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (61), 3 states have call predecessors, (61), 2 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2023-04-03 08:15:20,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:15:20,781 INFO L93 Difference]: Finished difference Result 95301 states and 123702 transitions. [2023-04-03 08:15:20,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 08:15:20,782 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (61), 3 states have call predecessors, (61), 2 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) Word has length 380 [2023-04-03 08:15:20,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:15:21,023 INFO L225 Difference]: With dead ends: 95301 [2023-04-03 08:15:21,024 INFO L226 Difference]: Without dead ends: 53135 [2023-04-03 08:15:21,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 08:15:21,126 INFO L413 NwaCegarLoop]: 3052 mSDtfsCounter, 1837 mSDsluCounter, 1361 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1837 SdHoareTripleChecker+Valid, 4413 SdHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2023-04-03 08:15:21,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1837 Valid, 4413 Invalid, 503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2023-04-03 08:15:21,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53135 states. [2023-04-03 08:15:23,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53135 to 52941. [2023-04-03 08:15:23,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52941 states, 30681 states have (on average 1.2210814510609171) internal successors, (37464), 31750 states have internal predecessors, (37464), 15141 states have call successors, (15141), 6920 states have call predecessors, (15141), 7118 states have return successors, (15837), 14589 states have call predecessors, (15837), 15140 states have call successors, (15837) [2023-04-03 08:15:23,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52941 states to 52941 states and 68442 transitions. [2023-04-03 08:15:23,707 INFO L78 Accepts]: Start accepts. Automaton has 52941 states and 68442 transitions. Word has length 380 [2023-04-03 08:15:23,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:15:23,707 INFO L495 AbstractCegarLoop]: Abstraction has 52941 states and 68442 transitions. [2023-04-03 08:15:23,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (61), 3 states have call predecessors, (61), 2 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2023-04-03 08:15:23,708 INFO L276 IsEmpty]: Start isEmpty. Operand 52941 states and 68442 transitions. [2023-04-03 08:15:23,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2023-04-03 08:15:23,743 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:15:23,743 INFO L195 NwaCegarLoop]: trace histogram [24, 19, 19, 19, 19, 19, 19, 6, 6, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:15:23,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-03 08:15:23,744 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 08:15:23,744 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:15:23,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1274189238, now seen corresponding path program 1 times [2023-04-03 08:15:23,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:15:23,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003616031] [2023-04-03 08:15:23,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:15:23,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:15:23,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:15:24,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1641 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1633 trivial. 0 not checked. [2023-04-03 08:15:24,475 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:15:24,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003616031] [2023-04-03 08:15:24,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003616031] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:15:24,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:15:24,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 08:15:24,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64344174] [2023-04-03 08:15:24,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:15:24,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 08:15:24,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:15:24,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 08:15:24,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 08:15:24,478 INFO L87 Difference]: Start difference. First operand 52941 states and 68442 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (62), 3 states have call predecessors, (62), 2 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2023-04-03 08:15:28,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:15:31,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:15:31,161 INFO L93 Difference]: Finished difference Result 130359 states and 168792 transitions. [2023-04-03 08:15:31,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 08:15:31,162 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (62), 3 states have call predecessors, (62), 2 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) Word has length 383 [2023-04-03 08:15:31,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:15:31,702 INFO L225 Difference]: With dead ends: 130359 [2023-04-03 08:15:31,702 INFO L226 Difference]: Without dead ends: 77606 [2023-04-03 08:15:31,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 08:15:31,811 INFO L413 NwaCegarLoop]: 3563 mSDtfsCounter, 1993 mSDsluCounter, 1983 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1993 SdHoareTripleChecker+Valid, 5546 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2023-04-03 08:15:31,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1993 Valid, 5546 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 577 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2023-04-03 08:15:31,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77606 states. [2023-04-03 08:15:34,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77606 to 77444. [2023-04-03 08:15:34,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77444 states, 44930 states have (on average 1.2212330291564657) internal successors, (54870), 46493 states have internal predecessors, (54870), 22131 states have call successors, (22131), 10136 states have call predecessors, (22131), 10382 states have return successors, (23155), 21291 states have call predecessors, (23155), 22130 states have call successors, (23155) [2023-04-03 08:15:35,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77444 states to 77444 states and 100156 transitions. [2023-04-03 08:15:35,460 INFO L78 Accepts]: Start accepts. Automaton has 77444 states and 100156 transitions. Word has length 383 [2023-04-03 08:15:35,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:15:35,461 INFO L495 AbstractCegarLoop]: Abstraction has 77444 states and 100156 transitions. [2023-04-03 08:15:35,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (62), 3 states have call predecessors, (62), 2 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2023-04-03 08:15:35,462 INFO L276 IsEmpty]: Start isEmpty. Operand 77444 states and 100156 transitions. [2023-04-03 08:15:35,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2023-04-03 08:15:35,500 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:15:35,500 INFO L195 NwaCegarLoop]: trace histogram [24, 19, 19, 19, 19, 19, 19, 6, 6, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:15:35,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-03 08:15:35,501 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 08:15:35,501 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:15:35,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1028269930, now seen corresponding path program 1 times [2023-04-03 08:15:35,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:15:35,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761470782] [2023-04-03 08:15:35,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:15:35,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:15:35,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:15:36,407 INFO L134 CoverageAnalysis]: Checked inductivity of 1641 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1633 trivial. 0 not checked. [2023-04-03 08:15:36,408 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:15:36,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761470782] [2023-04-03 08:15:36,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761470782] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:15:36,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:15:36,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 08:15:36,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431295366] [2023-04-03 08:15:36,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:15:36,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 08:15:36,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:15:36,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 08:15:36,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 08:15:36,410 INFO L87 Difference]: Start difference. First operand 77444 states and 100156 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (62), 3 states have call predecessors, (62), 2 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2023-04-03 08:15:41,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:15:45,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:15:45,053 INFO L93 Difference]: Finished difference Result 190860 states and 246974 transitions. [2023-04-03 08:15:45,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 08:15:45,056 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (62), 3 states have call predecessors, (62), 2 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) Word has length 390 [2023-04-03 08:15:45,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:15:45,645 INFO L225 Difference]: With dead ends: 190860 [2023-04-03 08:15:45,646 INFO L226 Difference]: Without dead ends: 113604 [2023-04-03 08:15:45,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 08:15:45,818 INFO L413 NwaCegarLoop]: 3705 mSDtfsCounter, 1990 mSDsluCounter, 1985 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1990 SdHoareTripleChecker+Valid, 5690 SdHoareTripleChecker+Invalid, 605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-04-03 08:15:45,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1990 Valid, 5690 Invalid, 605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 601 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2023-04-03 08:15:45,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113604 states. [2023-04-03 08:15:50,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113604 to 113346. [2023-04-03 08:15:50,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113346 states, 65722 states have (on average 1.2184656583792337) internal successors, (80080), 68009 states have internal predecessors, (80080), 32418 states have call successors, (32418), 14895 states have call predecessors, (32418), 15205 states have return successors, (33934), 31154 states have call predecessors, (33934), 32417 states have call successors, (33934) [2023-04-03 08:15:51,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113346 states to 113346 states and 146432 transitions. [2023-04-03 08:15:51,273 INFO L78 Accepts]: Start accepts. Automaton has 113346 states and 146432 transitions. Word has length 390 [2023-04-03 08:15:51,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 08:15:51,274 INFO L495 AbstractCegarLoop]: Abstraction has 113346 states and 146432 transitions. [2023-04-03 08:15:51,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (62), 3 states have call predecessors, (62), 2 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2023-04-03 08:15:51,275 INFO L276 IsEmpty]: Start isEmpty. Operand 113346 states and 146432 transitions. [2023-04-03 08:15:51,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2023-04-03 08:15:51,317 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 08:15:51,317 INFO L195 NwaCegarLoop]: trace histogram [24, 19, 19, 19, 19, 19, 19, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 08:15:51,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-03 08:15:51,317 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 08:15:51,318 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 08:15:51,318 INFO L85 PathProgramCache]: Analyzing trace with hash 291425755, now seen corresponding path program 1 times [2023-04-03 08:15:51,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 08:15:51,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413177105] [2023-04-03 08:15:51,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 08:15:51,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 08:15:51,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 08:15:52,066 INFO L134 CoverageAnalysis]: Checked inductivity of 1714 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1706 trivial. 0 not checked. [2023-04-03 08:15:52,067 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 08:15:52,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413177105] [2023-04-03 08:15:52,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413177105] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 08:15:52,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 08:15:52,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 08:15:52,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477057382] [2023-04-03 08:15:52,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 08:15:52,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 08:15:52,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 08:15:52,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 08:15:52,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 08:15:52,069 INFO L87 Difference]: Start difference. First operand 113346 states and 146432 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (64), 3 states have call predecessors, (64), 2 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2023-04-03 08:15:55,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 08:16:05,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 08:16:05,099 INFO L93 Difference]: Finished difference Result 276470 states and 357358 transitions. [2023-04-03 08:16:05,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 08:16:05,100 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (64), 3 states have call predecessors, (64), 2 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) Word has length 409 [2023-04-03 08:16:05,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 08:16:05,969 INFO L225 Difference]: With dead ends: 276470 [2023-04-03 08:16:05,969 INFO L226 Difference]: Without dead ends: 163312 [2023-04-03 08:16:06,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 08:16:06,243 INFO L413 NwaCegarLoop]: 3484 mSDtfsCounter, 1954 mSDsluCounter, 1964 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1954 SdHoareTripleChecker+Valid, 5448 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-04-03 08:16:06,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1954 Valid, 5448 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 600 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2023-04-03 08:16:06,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163312 states.