/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-validator-v0.8/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point_ldv-val-v0.8.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 05:13:04,848 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 05:13:04,850 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 05:13:04,881 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 05:13:04,882 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 05:13:04,883 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 05:13:04,887 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 05:13:04,889 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 05:13:04,890 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 05:13:04,893 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 05:13:04,893 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 05:13:04,894 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 05:13:04,894 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 05:13:04,895 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 05:13:04,895 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 05:13:04,896 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 05:13:04,896 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 05:13:04,897 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 05:13:04,897 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 05:13:04,898 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 05:13:04,899 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 05:13:04,901 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 05:13:04,902 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 05:13:04,903 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 05:13:04,913 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 05:13:04,913 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 05:13:04,914 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 05:13:04,915 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 05:13:04,915 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 05:13:04,915 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 05:13:04,916 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 05:13:04,916 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 05:13:04,917 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 05:13:04,917 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 05:13:04,918 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 05:13:04,918 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 05:13:04,918 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 05:13:04,918 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 05:13:04,918 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 05:13:04,919 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 05:13:04,919 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 05:13:04,920 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 05:13:04,943 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 05:13:04,943 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 05:13:04,944 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 05:13:04,944 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 05:13:04,944 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 05:13:04,944 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 05:13:04,945 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 05:13:04,945 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 05:13:04,945 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 05:13:04,945 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 05:13:04,945 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 05:13:04,945 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 05:13:04,946 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 05:13:04,946 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 05:13:04,946 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 05:13:04,946 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 05:13:04,946 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 05:13:04,946 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 05:13:04,946 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 05:13:04,946 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 05:13:04,946 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 05:13:04,947 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 05:13:04,947 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 05:13:04,947 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 05:13:04,947 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 05:13:04,947 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 05:13:04,947 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 05:13:04,947 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 05:13:04,947 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 05:13:04,947 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 05:13:04,948 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 05:13:04,948 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 05:13:04,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 05:13:04,948 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 05:13:04,948 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 05:13:04,948 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 05:13:04,948 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 05:13:04,948 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 05:13:04,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 05:13:04,948 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 05:13:04,948 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 05:13:04,949 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 05:13:05,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 05:13:05,122 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 05:13:05,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 05:13:05,124 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 05:13:05,124 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 05:13:05,125 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point_ldv-val-v0.8.cil.out.i [2023-04-03 05:13:06,131 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 05:13:06,611 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 05:13:06,612 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point_ldv-val-v0.8.cil.out.i [2023-04-03 05:13:06,649 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a28ae2cab/967d66ad31dc4d3c9446e8b8f4aee00b/FLAG68fdab2d1 [2023-04-03 05:13:06,661 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a28ae2cab/967d66ad31dc4d3c9446e8b8f4aee00b [2023-04-03 05:13:06,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 05:13:06,664 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 05:13:06,666 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 05:13:06,666 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 05:13:06,668 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 05:13:06,669 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 05:13:06" (1/1) ... [2023-04-03 05:13:06,669 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@324fde35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:13:06, skipping insertion in model container [2023-04-03 05:13:06,670 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 05:13:06" (1/1) ... [2023-04-03 05:13:06,674 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 05:13:06,785 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 05:13:08,422 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-validator-v0.8/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point_ldv-val-v0.8.cil.out.i[389398,389411] [2023-04-03 05:13:08,482 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 05:13:08,572 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 05:13:08,819 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-validator-v0.8/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point_ldv-val-v0.8.cil.out.i[389398,389411] [2023-04-03 05:13:08,825 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 05:13:08,981 WARN L667 CHandler]: The function __bad_size_call_parameter is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 05:13:08,981 WARN L667 CHandler]: The function __get_user_bad is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 05:13:08,981 WARN L667 CHandler]: The function __put_user_bad is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 05:13:08,982 WARN L667 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 05:13:08,986 INFO L208 MainTranslator]: Completed translation [2023-04-03 05:13:08,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:13:08 WrapperNode [2023-04-03 05:13:08,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 05:13:08,987 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 05:13:08,987 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 05:13:08,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 05:13:08,996 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:13:08" (1/1) ... [2023-04-03 05:13:08,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:13:08" (1/1) ... [2023-04-03 05:13:09,120 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:13:08" (1/1) ... [2023-04-03 05:13:09,121 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:13:08" (1/1) ... [2023-04-03 05:13:09,350 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:13:08" (1/1) ... [2023-04-03 05:13:09,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:13:08" (1/1) ... [2023-04-03 05:13:09,429 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:13:08" (1/1) ... [2023-04-03 05:13:09,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:13:08" (1/1) ... [2023-04-03 05:13:09,584 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 05:13:09,586 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 05:13:09,586 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 05:13:09,586 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 05:13:09,587 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:13:08" (1/1) ... [2023-04-03 05:13:09,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 05:13:09,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 05:13:09,633 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 05:13:09,669 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 05:13:09,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 05:13:09,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 05:13:09,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2023-04-03 05:13:09,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~$Pointer$~TO~int [2023-04-03 05:13:09,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-04-03 05:13:09,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 05:13:09,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-04-03 05:13:09,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-04-03 05:13:09,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~X~$Pointer$~X~int~TO~VOID [2023-04-03 05:13:09,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2023-04-03 05:13:09,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~int [2023-04-03 05:13:09,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~TO~int [2023-04-03 05:13:09,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~VOID [2023-04-03 05:13:09,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2023-04-03 05:13:09,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~X~int~TO~VOID [2023-04-03 05:13:09,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~$Pointer$~X~$Pointer$~TO~int [2023-04-03 05:13:09,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~$Pointer$~X~int~X~int~X~int~TO~int [2023-04-03 05:13:09,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~X~int~TO~int [2023-04-03 05:13:09,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~TO~VOID [2023-04-03 05:13:09,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~X~$Pointer$~TO~int [2023-04-03 05:13:09,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-04-03 05:13:09,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~X~int~TO~int [2023-04-03 05:13:09,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~VOID [2023-04-03 05:13:09,687 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 05:13:09,687 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-03 05:13:09,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-03 05:13:09,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-03 05:13:09,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-04-03 05:13:09,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-04-03 05:13:09,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-03 05:13:09,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-03 05:13:09,688 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_install_audiodrv [2023-04-03 05:13:09,688 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_install_mixer [2023-04-03 05:13:09,688 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_unload_audiodev [2023-04-03 05:13:09,688 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_alloc_audiodev [2023-04-03 05:13:09,688 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_alloc_mididev [2023-04-03 05:13:09,688 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_alloc_synthdev [2023-04-03 05:13:09,689 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_alloc_mixerdev [2023-04-03 05:13:09,689 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_alloc_timerdev [2023-04-03 05:13:09,689 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_unload_mixerdev [2023-04-03 05:13:09,689 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_unload_mididev [2023-04-03 05:13:09,689 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_unload_synthdev [2023-04-03 05:13:09,690 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_unload_timerdev [2023-04-03 05:13:09,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2023-04-03 05:13:09,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_6 [2023-04-03 05:13:09,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2023-04-03 05:13:09,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-03 05:13:09,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-03 05:13:09,690 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2023-04-03 05:13:09,690 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2023-04-03 05:13:09,691 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2023-04-03 05:13:09,691 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2023-04-03 05:13:09,691 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_module_get [2023-04-03 05:13:09,691 INFO L138 BoogieDeclarations]: Found implementation of procedure module_is_live [2023-04-03 05:13:09,691 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2023-04-03 05:13:09,691 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2023-04-03 05:13:09,691 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2023-04-03 05:13:09,691 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-04-03 05:13:09,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user [2023-04-03 05:13:09,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user [2023-04-03 05:13:09,692 INFO L138 BoogieDeclarations]: Found implementation of procedure load_mixer_volumes [2023-04-03 05:13:09,693 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mixer_levels [2023-04-03 05:13:09,693 INFO L138 BoogieDeclarations]: Found implementation of procedure get_mixer_levels [2023-04-03 05:13:09,693 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_read [2023-04-03 05:13:09,696 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_write [2023-04-03 05:13:09,696 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_open [2023-04-03 05:13:09,696 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_release [2023-04-03 05:13:09,696 INFO L138 BoogieDeclarations]: Found implementation of procedure get_mixer_info [2023-04-03 05:13:09,696 INFO L138 BoogieDeclarations]: Found implementation of procedure get_old_mixer_info [2023-04-03 05:13:09,696 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_mixer_ioctl [2023-04-03 05:13:09,696 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_ioctl [2023-04-03 05:13:09,696 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_poll [2023-04-03 05:13:09,697 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_mmap [2023-04-03 05:13:09,697 INFO L138 BoogieDeclarations]: Found implementation of procedure create_special_devices [2023-04-03 05:13:09,697 INFO L138 BoogieDeclarations]: Found implementation of procedure oss_init [2023-04-03 05:13:09,697 INFO L138 BoogieDeclarations]: Found implementation of procedure oss_cleanup [2023-04-03 05:13:09,697 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_alloc_dma [2023-04-03 05:13:09,697 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_open_dma [2023-04-03 05:13:09,697 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_free_dma [2023-04-03 05:13:09,697 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_close_dma [2023-04-03 05:13:09,697 INFO L138 BoogieDeclarations]: Found implementation of procedure do_sequencer_timer [2023-04-03 05:13:09,698 INFO L138 BoogieDeclarations]: Found implementation of procedure request_sound_timer [2023-04-03 05:13:09,698 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_stop_timer [2023-04-03 05:13:09,698 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_printf [2023-04-03 05:13:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_printf2 [2023-04-03 05:13:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_6 [2023-04-03 05:13:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 05:13:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_15 [2023-04-03 05:13:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_16 [2023-04-03 05:13:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_17 [2023-04-03 05:13:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_18 [2023-04-03 05:13:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2023-04-03 05:13:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_20 [2023-04-03 05:13:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2023-04-03 05:13:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_22 [2023-04-03 05:13:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_23 [2023-04-03 05:13:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_24 [2023-04-03 05:13:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_25 [2023-04-03 05:13:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_26 [2023-04-03 05:13:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2023-04-03 05:13:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_28 [2023-04-03 05:13:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_29 [2023-04-03 05:13:09,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_30 [2023-04-03 05:13:09,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_31 [2023-04-03 05:13:09,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_32 [2023-04-03 05:13:09,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_33 [2023-04-03 05:13:09,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_34 [2023-04-03 05:13:09,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_35 [2023-04-03 05:13:09,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_36 [2023-04-03 05:13:09,700 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-03 05:13:09,700 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-04-03 05:13:09,700 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-04-03 05:13:09,701 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-03 05:13:09,701 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_module_get___0 [2023-04-03 05:13:09,702 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get___0 [2023-04-03 05:13:09,702 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-04-03 05:13:09,702 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_mode [2023-04-03 05:13:09,702 INFO L138 BoogieDeclarations]: Found implementation of procedure set_format [2023-04-03 05:13:09,704 INFO L138 BoogieDeclarations]: Found implementation of procedure audio_open [2023-04-03 05:13:09,704 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_output [2023-04-03 05:13:09,704 INFO L138 BoogieDeclarations]: Found implementation of procedure audio_release [2023-04-03 05:13:09,704 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_bytes [2023-04-03 05:13:09,704 INFO L138 BoogieDeclarations]: Found implementation of procedure audio_write [2023-04-03 05:13:09,704 INFO L138 BoogieDeclarations]: Found implementation of procedure audio_read [2023-04-03 05:13:09,704 INFO L138 BoogieDeclarations]: Found implementation of procedure audio_ioctl [2023-04-03 05:13:09,704 INFO L138 BoogieDeclarations]: Found implementation of procedure audio_init_devices [2023-04-03 05:13:09,704 INFO L138 BoogieDeclarations]: Found implementation of procedure reorganize_buffers [2023-04-03 05:13:09,704 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_subdivide [2023-04-03 05:13:09,705 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_fragment [2023-04-03 05:13:09,705 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_ioctl [2023-04-03 05:13:09,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_63 [2023-04-03 05:13:09,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_64 [2023-04-03 05:13:09,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_65 [2023-04-03 05:13:09,705 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-04-03 05:13:09,705 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-04-03 05:13:09,705 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2023-04-03 05:13:09,705 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-04-03 05:13:09,705 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info___0 [2023-04-03 05:13:09,705 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2023-04-03 05:13:09,705 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-04-03 05:13:09,706 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-04-03 05:13:09,706 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPageReserved [2023-04-03 05:13:09,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ClearPageReserved [2023-04-03 05:13:09,706 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-04-03 05:13:09,706 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-04-03 05:13:09,706 INFO L138 BoogieDeclarations]: Found implementation of procedure claim_dma_lock [2023-04-03 05:13:09,706 INFO L138 BoogieDeclarations]: Found implementation of procedure release_dma_lock [2023-04-03 05:13:09,706 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_dma [2023-04-03 05:13:09,706 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_dma [2023-04-03 05:13:09,706 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_dma_ff [2023-04-03 05:13:09,706 INFO L138 BoogieDeclarations]: Found implementation of procedure set_dma_mode [2023-04-03 05:13:09,706 INFO L138 BoogieDeclarations]: Found implementation of procedure set_dma_page [2023-04-03 05:13:09,706 INFO L138 BoogieDeclarations]: Found implementation of procedure set_dma_addr [2023-04-03 05:13:09,706 INFO L138 BoogieDeclarations]: Found implementation of procedure set_dma_count [2023-04-03 05:13:09,706 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_residue [2023-04-03 05:13:09,706 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2023-04-03 05:13:09,706 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-04-03 05:13:09,707 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2023-04-03 05:13:09,707 INFO L138 BoogieDeclarations]: Found implementation of procedure dmabuf_timeout [2023-04-03 05:13:09,707 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_alloc_dmap [2023-04-03 05:13:09,707 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_free_dmap [2023-04-03 05:13:09,707 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_start_dma [2023-04-03 05:13:09,707 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_init_buffers [2023-04-03 05:13:09,707 INFO L138 BoogieDeclarations]: Found implementation of procedure open_dmap [2023-04-03 05:13:09,707 INFO L138 BoogieDeclarations]: Found implementation of procedure close_dmap [2023-04-03 05:13:09,707 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_bits [2023-04-03 05:13:09,708 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_speed [2023-04-03 05:13:09,708 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_channels [2023-04-03 05:13:09,708 INFO L138 BoogieDeclarations]: Found implementation of procedure check_driver [2023-04-03 05:13:09,708 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_open [2023-04-03 05:13:09,708 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_reset [2023-04-03 05:13:09,708 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_reset_output [2023-04-03 05:13:09,708 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_reset_input [2023-04-03 05:13:09,708 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_launch_output [2023-04-03 05:13:09,708 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_sync [2023-04-03 05:13:09,708 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_release [2023-04-03 05:13:09,708 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_activate_recording [2023-04-03 05:13:09,708 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_getrdbuffer [2023-04-03 05:13:09,708 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_rmchars [2023-04-03 05:13:09,708 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_get_buffer_pointer [2023-04-03 05:13:09,708 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_start_devices [2023-04-03 05:13:09,709 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_space_in_queue [2023-04-03 05:13:09,709 INFO L138 BoogieDeclarations]: Found implementation of procedure output_sleep [2023-04-03 05:13:09,709 INFO L138 BoogieDeclarations]: Found implementation of procedure find_output_space [2023-04-03 05:13:09,709 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_getwrbuffer [2023-04-03 05:13:09,709 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_move_wrpointer [2023-04-03 05:13:09,709 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_start_dma [2023-04-03 05:13:09,709 INFO L138 BoogieDeclarations]: Found implementation of procedure local_start_dma [2023-04-03 05:13:09,709 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_output_interrupt [2023-04-03 05:13:09,709 INFO L138 BoogieDeclarations]: Found implementation of procedure do_outputintr [2023-04-03 05:13:09,709 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_outputintr [2023-04-03 05:13:09,709 INFO L138 BoogieDeclarations]: Found implementation of procedure do_inputintr [2023-04-03 05:13:09,709 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_inputintr [2023-04-03 05:13:09,709 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_init [2023-04-03 05:13:09,709 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_input [2023-04-03 05:13:09,709 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_output [2023-04-03 05:13:09,709 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_poll [2023-04-03 05:13:09,709 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_deinit [2023-04-03 05:13:09,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_73 [2023-04-03 05:13:09,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_74 [2023-04-03 05:13:09,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_75 [2023-04-03 05:13:09,710 INFO L138 BoogieDeclarations]: Found implementation of procedure do_midi_msg [2023-04-03 05:13:09,710 INFO L138 BoogieDeclarations]: Found implementation of procedure midi_outc [2023-04-03 05:13:09,710 INFO L138 BoogieDeclarations]: Found implementation of procedure prefix_cmd [2023-04-03 05:13:09,710 INFO L138 BoogieDeclarations]: Found implementation of procedure midi_synth_input [2023-04-03 05:13:09,710 INFO L138 BoogieDeclarations]: Found implementation of procedure leave_sysex [2023-04-03 05:13:09,710 INFO L138 BoogieDeclarations]: Found implementation of procedure midi_synth_output [2023-04-03 05:13:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure midi_synth_ioctl [2023-04-03 05:13:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure midi_synth_kill_note [2023-04-03 05:13:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure midi_synth_set_instr [2023-04-03 05:13:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure midi_synth_start_note [2023-04-03 05:13:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure midi_synth_reset [2023-04-03 05:13:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure midi_synth_open [2023-04-03 05:13:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure midi_synth_close [2023-04-03 05:13:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure midi_synth_hw_control [2023-04-03 05:13:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure midi_synth_load_patch [2023-04-03 05:13:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure midi_synth_panning [2023-04-03 05:13:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure midi_synth_aftertouch [2023-04-03 05:13:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure midi_synth_controller [2023-04-03 05:13:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure midi_synth_bender [2023-04-03 05:13:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure midi_synth_setup_voice [2023-04-03 05:13:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure midi_synth_send_sysex [2023-04-03 05:13:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_83 [2023-04-03 05:13:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_84 [2023-04-03 05:13:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_85 [2023-04-03 05:13:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_midi_queue [2023-04-03 05:13:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure midi_input_intr [2023-04-03 05:13:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure midi_output_intr [2023-04-03 05:13:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure midi_poll [2023-04-03 05:13:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure MIDIbuf_open [2023-04-03 05:13:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure MIDIbuf_release [2023-04-03 05:13:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure MIDIbuf_write [2023-04-03 05:13:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure MIDIbuf_read [2023-04-03 05:13:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure MIDIbuf_ioctl [2023-04-03 05:13:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure MIDIbuf_poll [2023-04-03 05:13:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure MIDIbuf_avail [2023-04-03 05:13:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_4 [2023-04-03 05:13:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_93 [2023-04-03 05:13:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_94 [2023-04-03 05:13:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_95 [2023-04-03 05:13:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-04-03 05:13:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure waitqueue_active [2023-04-03 05:13:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure sequencer_read [2023-04-03 05:13:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure sequencer_midi_output [2023-04-03 05:13:09,713 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_copy_to_input [2023-04-03 05:13:09,713 INFO L138 BoogieDeclarations]: Found implementation of procedure sequencer_midi_input [2023-04-03 05:13:09,714 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_input_event [2023-04-03 05:13:09,714 INFO L138 BoogieDeclarations]: Found implementation of procedure sequencer_write [2023-04-03 05:13:09,719 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_queue [2023-04-03 05:13:09,719 INFO L138 BoogieDeclarations]: Found implementation of procedure extended_event [2023-04-03 05:13:09,719 INFO L138 BoogieDeclarations]: Found implementation of procedure find_voice [2023-04-03 05:13:09,719 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_voice [2023-04-03 05:13:09,719 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_chn_voice_event [2023-04-03 05:13:09,719 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_chn_common_event [2023-04-03 05:13:09,719 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_timing_event [2023-04-03 05:13:09,720 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_local_event [2023-04-03 05:13:09,720 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_sysex_message [2023-04-03 05:13:09,720 INFO L138 BoogieDeclarations]: Found implementation of procedure play_event [2023-04-03 05:13:09,720 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_startplay [2023-04-03 05:13:09,720 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_controllers [2023-04-03 05:13:09,720 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_mode2 [2023-04-03 05:13:09,720 INFO L138 BoogieDeclarations]: Found implementation of procedure sequencer_open [2023-04-03 05:13:09,720 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_drain_midi_queues [2023-04-03 05:13:09,720 INFO L138 BoogieDeclarations]: Found implementation of procedure sequencer_release [2023-04-03 05:13:09,720 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_sync [2023-04-03 05:13:09,720 INFO L138 BoogieDeclarations]: Found implementation of procedure midi_outc___0 [2023-04-03 05:13:09,720 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_reset [2023-04-03 05:13:09,720 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_panic [2023-04-03 05:13:09,720 INFO L138 BoogieDeclarations]: Found implementation of procedure sequencer_ioctl [2023-04-03 05:13:09,720 INFO L138 BoogieDeclarations]: Found implementation of procedure sequencer_poll [2023-04-03 05:13:09,720 INFO L138 BoogieDeclarations]: Found implementation of procedure sequencer_timer [2023-04-03 05:13:09,720 INFO L138 BoogieDeclarations]: Found implementation of procedure note_to_freq [2023-04-03 05:13:09,720 INFO L138 BoogieDeclarations]: Found implementation of procedure compute_finetune [2023-04-03 05:13:09,720 INFO L138 BoogieDeclarations]: Found implementation of procedure sequencer_init [2023-04-03 05:13:09,721 INFO L138 BoogieDeclarations]: Found implementation of procedure sequencer_unload [2023-04-03 05:13:09,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_103 [2023-04-03 05:13:09,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_104 [2023-04-03 05:13:09,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_105 [2023-04-03 05:13:09,721 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr2ticks [2023-04-03 05:13:09,721 INFO L138 BoogieDeclarations]: Found implementation of procedure reprogram_timer [2023-04-03 05:13:09,721 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_timer_syncinterval [2023-04-03 05:13:09,721 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr_reset [2023-04-03 05:13:09,721 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_open [2023-04-03 05:13:09,721 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_close [2023-04-03 05:13:09,721 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_event [2023-04-03 05:13:09,721 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_get_time [2023-04-03 05:13:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_ioctl [2023-04-03 05:13:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_arm [2023-04-03 05:13:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_timer_interrupt [2023-04-03 05:13:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_timer_init [2023-04-03 05:13:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_3 [2023-04-03 05:13:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_113 [2023-04-03 05:13:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_114 [2023-04-03 05:13:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_115 [2023-04-03 05:13:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr2ticks___0 [2023-04-03 05:13:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_def_tmr [2023-04-03 05:13:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr_reset___0 [2023-04-03 05:13:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_open [2023-04-03 05:13:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_close [2023-04-03 05:13:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_event [2023-04-03 05:13:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_get_time [2023-04-03 05:13:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_ioctl [2023-04-03 05:13:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_arm [2023-04-03 05:13:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_1 [2023-04-03 05:13:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_2 [2023-04-03 05:13:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_123 [2023-04-03 05:13:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_124 [2023-04-03 05:13:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_125 [2023-04-03 05:13:09,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-03 05:13:09,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2023-04-03 05:13:09,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-03 05:13:09,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-03 05:13:09,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-03 05:13:09,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-03 05:13:09,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2023-04-03 05:13:09,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2023-04-03 05:13:09,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2023-04-03 05:13:09,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2023-04-03 05:13:09,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2023-04-03 05:13:09,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2023-04-03 05:13:09,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2023-04-03 05:13:09,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2023-04-03 05:13:09,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2023-04-03 05:13:09,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2023-04-03 05:13:09,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2023-04-03 05:13:09,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_soundcard_mutex [2023-04-03 05:13:09,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_soundcard_mutex [2023-04-03 05:13:09,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_soundcard_mutex [2023-04-03 05:13:09,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_soundcard_mutex [2023-04-03 05:13:09,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_soundcard_mutex [2023-04-03 05:13:09,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_soundcard_mutex [2023-04-03 05:13:09,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_soundcard_mutex [2023-04-03 05:13:09,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_soundcard_mutex [2023-04-03 05:13:09,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_soundcard_mutex [2023-04-03 05:13:09,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_soundcard_mutex [2023-04-03 05:13:09,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_soundcard_mutex [2023-04-03 05:13:09,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-03 05:13:09,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_pages [2023-04-03 05:13:09,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-04-03 05:13:09,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-04-03 05:13:09,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-03 05:13:09,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2023-04-03 05:13:09,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-04-03 05:13:09,724 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-04-03 05:13:09,724 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-04-03 05:13:09,724 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2023-04-03 05:13:09,724 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2023-04-03 05:13:09,724 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-04-03 05:13:09,724 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2023-04-03 05:13:09,724 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2023-04-03 05:13:09,724 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-03 05:13:09,725 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-04-03 05:13:09,725 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-04-03 05:13:09,725 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-04-03 05:13:09,725 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-04-03 05:13:09,725 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2023-04-03 05:13:09,725 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2023-04-03 05:13:09,725 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma [2023-04-03 05:13:09,725 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2023-04-03 05:13:09,725 INFO L138 BoogieDeclarations]: Found implementation of procedure interruptible_sleep_on [2023-04-03 05:13:09,725 INFO L138 BoogieDeclarations]: Found implementation of procedure interruptible_sleep_on_timeout [2023-04-03 05:13:09,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-03 05:13:09,725 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2023-04-03 05:13:09,725 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-04-03 05:13:09,725 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2023-04-03 05:13:09,725 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-04-03 05:13:09,725 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2023-04-03 05:13:09,725 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-03 05:13:09,725 INFO L138 BoogieDeclarations]: Found implementation of procedure no_llseek [2023-04-03 05:13:09,725 INFO L138 BoogieDeclarations]: Found implementation of procedure panic [2023-04-03 05:13:09,725 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-03 05:13:09,725 INFO L138 BoogieDeclarations]: Found implementation of procedure register_sound_dsp [2023-04-03 05:13:09,725 INFO L138 BoogieDeclarations]: Found implementation of procedure register_sound_midi [2023-04-03 05:13:09,727 INFO L138 BoogieDeclarations]: Found implementation of procedure register_sound_mixer [2023-04-03 05:13:09,727 INFO L138 BoogieDeclarations]: Found implementation of procedure register_sound_special [2023-04-03 05:13:09,728 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_pfn_range [2023-04-03 05:13:09,728 INFO L138 BoogieDeclarations]: Found implementation of procedure request_dma [2023-04-03 05:13:09,729 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-04-03 05:13:09,729 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-04-03 05:13:09,729 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_sound_dsp [2023-04-03 05:13:09,729 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_sound_midi [2023-04-03 05:13:09,729 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_sound_mixer [2023-04-03 05:13:09,729 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_sound_special [2023-04-03 05:13:09,729 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2023-04-03 05:13:09,729 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2023-04-03 05:13:09,729 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2023-04-03 05:13:09,729 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-03 05:13:09,729 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-03 05:13:09,729 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-03 05:13:09,729 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-03 05:13:09,729 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-04-03 05:13:09,729 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 05:13:09,729 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 05:13:09,729 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-03 05:13:09,729 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-03 05:13:09,729 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 05:13:09,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 05:13:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-03 05:13:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-03 05:13:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-04-03 05:13:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2023-04-03 05:13:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_6 [2023-04-03 05:13:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-03 05:13:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2023-04-03 05:13:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 05:13:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-03 05:13:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 05:13:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-03 05:13:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-03 05:13:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-03 05:13:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 05:13:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-03 05:13:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-03 05:13:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-04-03 05:13:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-04-03 05:13:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-03 05:13:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-03 05:13:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-03 05:13:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-04-03 05:13:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2023-04-03 05:13:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2023-04-03 05:13:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2023-04-03 05:13:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2023-04-03 05:13:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-04-03 05:13:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure register_sound_mixer [2023-04-03 05:13:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure register_sound_midi [2023-04-03 05:13:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure register_sound_dsp [2023-04-03 05:13:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_sound_mixer [2023-04-03 05:13:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_sound_midi [2023-04-03 05:13:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_sound_dsp [2023-04-03 05:13:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2023-04-03 05:13:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_init [2023-04-03 05:13:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_deinit [2023-04-03 05:13:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure audio_init_devices [2023-04-03 05:13:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure sound_install_audiodrv [2023-04-03 05:13:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure sound_install_mixer [2023-04-03 05:13:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure sound_unload_audiodev [2023-04-03 05:13:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure sound_unload_mixerdev [2023-04-03 05:13:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure sound_unload_mididev [2023-04-03 05:13:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure sound_unload_synthdev [2023-04-03 05:13:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure sound_unload_timerdev [2023-04-03 05:13:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure sound_alloc_mixerdev [2023-04-03 05:13:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure sound_alloc_timerdev [2023-04-03 05:13:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure sound_alloc_synthdev [2023-04-03 05:13:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure sound_alloc_mididev [2023-04-03 05:13:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure sound_alloc_audiodev [2023-04-03 05:13:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-03 05:13:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-03 05:13:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 05:13:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 05:13:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 05:13:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 05:13:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 05:13:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-03 05:13:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-04-03 05:13:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-04-03 05:13:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-04-03 05:13:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2023-04-03 05:13:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2023-04-03 05:13:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2023-04-03 05:13:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_16 [2023-04-03 05:13:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_17 [2023-04-03 05:13:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2023-04-03 05:13:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2023-04-03 05:13:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_23 [2023-04-03 05:13:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_25 [2023-04-03 05:13:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2023-04-03 05:13:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_28 [2023-04-03 05:13:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_30 [2023-04-03 05:13:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_31 [2023-04-03 05:13:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_32 [2023-04-03 05:13:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_33 [2023-04-03 05:13:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_34 [2023-04-03 05:13:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_35 [2023-04-03 05:13:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_36 [2023-04-03 05:13:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-03 05:13:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_15 [2023-04-03 05:13:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_18 [2023-04-03 05:13:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_20 [2023-04-03 05:13:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_22 [2023-04-03 05:13:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_24 [2023-04-03 05:13:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_26 [2023-04-03 05:13:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_29 [2023-04-03 05:13:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_soundcard_mutex [2023-04-03 05:13:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_soundcard_mutex [2023-04-03 05:13:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2023-04-03 05:13:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-04-03 05:13:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-04-03 05:13:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2023-04-03 05:13:09,734 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-04-03 05:13:09,734 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2023-04-03 05:13:09,734 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2023-04-03 05:13:09,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_6 [2023-04-03 05:13:09,734 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2023-04-03 05:13:09,734 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2023-04-03 05:13:09,734 INFO L130 BoogieDeclarations]: Found specification of procedure register_sound_special [2023-04-03 05:13:09,734 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_sound_special [2023-04-03 05:13:09,734 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2023-04-03 05:13:09,734 INFO L130 BoogieDeclarations]: Found specification of procedure trace_module_get [2023-04-03 05:13:09,734 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2023-04-03 05:13:09,734 INFO L130 BoogieDeclarations]: Found specification of procedure module_is_live [2023-04-03 05:13:09,734 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2023-04-03 05:13:09,734 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2023-04-03 05:13:09,734 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2023-04-03 05:13:09,734 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2023-04-03 05:13:09,734 INFO L130 BoogieDeclarations]: Found specification of procedure request_dma [2023-04-03 05:13:09,736 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma [2023-04-03 05:13:09,736 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2023-04-03 05:13:09,736 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2023-04-03 05:13:09,736 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic_string [2023-04-03 05:13:09,736 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic_unrolled [2023-04-03 05:13:09,736 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2023-04-03 05:13:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-04-03 05:13:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-04-03 05:13:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user [2023-04-03 05:13:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user [2023-04-03 05:13:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2023-04-03 05:13:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2023-04-03 05:13:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure remap_pfn_range [2023-04-03 05:13:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure sound_alloc_dma [2023-04-03 05:13:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure sound_open_dma [2023-04-03 05:13:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure sound_free_dma [2023-04-03 05:13:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure sound_close_dma [2023-04-03 05:13:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_poll [2023-04-03 05:13:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure audio_read [2023-04-03 05:13:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure audio_write [2023-04-03 05:13:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure audio_open [2023-04-03 05:13:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure audio_release [2023-04-03 05:13:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure audio_ioctl [2023-04-03 05:13:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure sequencer_read [2023-04-03 05:13:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure sequencer_write [2023-04-03 05:13:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure sequencer_open [2023-04-03 05:13:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure sequencer_release [2023-04-03 05:13:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure sequencer_ioctl [2023-04-03 05:13:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure sequencer_poll [2023-04-03 05:13:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure sequencer_unload [2023-04-03 05:13:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure sequencer_timer [2023-04-03 05:13:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure MIDIbuf_read [2023-04-03 05:13:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure MIDIbuf_write [2023-04-03 05:13:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure MIDIbuf_open [2023-04-03 05:13:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure MIDIbuf_release [2023-04-03 05:13:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure MIDIbuf_ioctl [2023-04-03 05:13:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure MIDIbuf_poll [2023-04-03 05:13:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure request_sound_timer [2023-04-03 05:13:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure sound_stop_timer [2023-04-03 05:13:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure conf_printf [2023-04-03 05:13:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure conf_printf2 [2023-04-03 05:13:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure load_mixer_volumes [2023-04-03 05:13:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-04-03 05:13:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure set_mixer_levels [2023-04-03 05:13:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure get_mixer_levels [2023-04-03 05:13:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure sound_read [2023-04-03 05:13:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure sound_write [2023-04-03 05:13:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure sound_open [2023-04-03 05:13:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure sound_release [2023-04-03 05:13:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure get_mixer_info [2023-04-03 05:13:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure get_old_mixer_info [2023-04-03 05:13:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure sound_mixer_ioctl [2023-04-03 05:13:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~$Pointer$~TO~int [2023-04-03 05:13:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure sound_ioctl [2023-04-03 05:13:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure sound_poll [2023-04-03 05:13:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure sound_mmap [2023-04-03 05:13:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-04-03 05:13:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure create_special_devices [2023-04-03 05:13:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure oss_init [2023-04-03 05:13:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure oss_cleanup [2023-04-03 05:13:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure do_sequencer_timer [2023-04-03 05:13:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-03 05:13:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-03 05:13:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_4 [2023-04-03 05:13:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_3 [2023-04-03 05:13:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_1 [2023-04-03 05:13:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_2 [2023-04-03 05:13:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 05:13:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2023-04-03 05:13:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_64 [2023-04-03 05:13:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_65 [2023-04-03 05:13:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_63 [2023-04-03 05:13:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2023-04-03 05:13:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-04-03 05:13:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2023-04-03 05:13:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-03 05:13:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-03 05:13:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-04-03 05:13:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-04-03 05:13:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-03 05:13:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure trace_module_get___0 [2023-04-03 05:13:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get___0 [2023-04-03 05:13:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-04-03 05:13:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-04-03 05:13:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure translate_mode [2023-04-03 05:13:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_open [2023-04-03 05:13:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_release [2023-04-03 05:13:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_getwrbuffer [2023-04-03 05:13:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_getrdbuffer [2023-04-03 05:13:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_rmchars [2023-04-03 05:13:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_move_wrpointer [2023-04-03 05:13:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_space_in_queue [2023-04-03 05:13:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_activate_recording [2023-04-03 05:13:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_get_buffer_pointer [2023-04-03 05:13:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_launch_output [2023-04-03 05:13:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_reset [2023-04-03 05:13:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_sync [2023-04-03 05:13:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure reorganize_buffers [2023-04-03 05:13:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure dma_ioctl [2023-04-03 05:13:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure set_format [2023-04-03 05:13:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 05:13:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-04-03 05:13:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure sync_output [2023-04-03 05:13:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-04-03 05:13:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure translate_bytes [2023-04-03 05:13:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~X~$Pointer$~X~int~TO~VOID [2023-04-03 05:13:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2023-04-03 05:13:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure dma_subdivide [2023-04-03 05:13:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_fragment [2023-04-03 05:13:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~int [2023-04-03 05:13:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~TO~int [2023-04-03 05:13:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~VOID [2023-04-03 05:13:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-04-03 05:13:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-04-03 05:13:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2023-04-03 05:13:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure panic [2023-04-03 05:13:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-04-03 05:13:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_74 [2023-04-03 05:13:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_75 [2023-04-03 05:13:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_73 [2023-04-03 05:13:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info___0 [2023-04-03 05:13:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2023-04-03 05:13:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-03 05:13:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2023-04-03 05:13:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2023-04-03 05:13:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-04-03 05:13:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-04-03 05:13:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-04-03 05:13:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure interruptible_sleep_on_timeout [2023-04-03 05:13:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_pages [2023-04-03 05:13:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2023-04-03 05:13:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure SetPageReserved [2023-04-03 05:13:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure ClearPageReserved [2023-04-03 05:13:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-04-03 05:13:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-04-03 05:13:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure claim_dma_lock [2023-04-03 05:13:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure release_dma_lock [2023-04-03 05:13:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure enable_dma [2023-04-03 05:13:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure disable_dma [2023-04-03 05:13:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure clear_dma_ff [2023-04-03 05:13:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure set_dma_mode [2023-04-03 05:13:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure set_dma_page [2023-04-03 05:13:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure set_dma_addr [2023-04-03 05:13:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure set_dma_count [2023-04-03 05:13:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_residue [2023-04-03 05:13:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2023-04-03 05:13:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-04-03 05:13:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2023-04-03 05:13:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2023-04-03 05:13:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_start_dma [2023-04-03 05:13:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_inputintr [2023-04-03 05:13:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_outputintr [2023-04-03 05:13:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_start_devices [2023-04-03 05:13:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure dma_reset_output [2023-04-03 05:13:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure dma_reset_input [2023-04-03 05:13:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure local_start_dma [2023-04-03 05:13:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure dmabuf_timeout [2023-04-03 05:13:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure sound_alloc_dmap [2023-04-03 05:13:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure sound_free_dmap [2023-04-03 05:13:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure sound_start_dma [2023-04-03 05:13:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure dma_init_buffers [2023-04-03 05:13:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure open_dmap [2023-04-03 05:13:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure close_dmap [2023-04-03 05:13:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_bits [2023-04-03 05:13:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_speed [2023-04-03 05:13:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_channels [2023-04-03 05:13:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure check_driver [2023-04-03 05:13:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~X~int~TO~VOID [2023-04-03 05:13:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure output_sleep [2023-04-03 05:13:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure find_output_space [2023-04-03 05:13:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure finish_output_interrupt [2023-04-03 05:13:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure do_outputintr [2023-04-03 05:13:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure do_inputintr [2023-04-03 05:13:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure poll_input [2023-04-03 05:13:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure poll_output [2023-04-03 05:13:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_84 [2023-04-03 05:13:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_85 [2023-04-03 05:13:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_83 [2023-04-03 05:13:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-04-03 05:13:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure seq_input_event [2023-04-03 05:13:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure do_midi_msg [2023-04-03 05:13:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure midi_synth_ioctl [2023-04-03 05:13:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure midi_synth_kill_note [2023-04-03 05:13:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure midi_synth_set_instr [2023-04-03 05:13:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure midi_synth_start_note [2023-04-03 05:13:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure midi_synth_reset [2023-04-03 05:13:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure midi_synth_open [2023-04-03 05:13:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure midi_synth_close [2023-04-03 05:13:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure midi_synth_hw_control [2023-04-03 05:13:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure midi_synth_load_patch [2023-04-03 05:13:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure midi_synth_panning [2023-04-03 05:13:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure midi_synth_aftertouch [2023-04-03 05:13:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure midi_synth_controller [2023-04-03 05:13:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure midi_synth_bender [2023-04-03 05:13:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure midi_synth_setup_voice [2023-04-03 05:13:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure midi_synth_send_sysex [2023-04-03 05:13:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure midi_outc [2023-04-03 05:13:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure prefix_cmd [2023-04-03 05:13:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure midi_synth_input [2023-04-03 05:13:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure leave_sysex [2023-04-03 05:13:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure midi_synth_output [2023-04-03 05:13:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~$Pointer$~X~$Pointer$~TO~int [2023-04-03 05:13:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_94 [2023-04-03 05:13:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_95 [2023-04-03 05:13:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_93 [2023-04-03 05:13:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure interruptible_sleep_on [2023-04-03 05:13:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-04-03 05:13:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure MIDIbuf_avail [2023-04-03 05:13:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure midi_poll [2023-04-03 05:13:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure drain_midi_queue [2023-04-03 05:13:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure midi_input_intr [2023-04-03 05:13:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure midi_output_intr [2023-04-03 05:13:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-03 05:13:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-04-03 05:13:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_104 [2023-04-03 05:13:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_105 [2023-04-03 05:13:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_103 [2023-04-03 05:13:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure waitqueue_active [2023-04-03 05:13:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure sequencer_init [2023-04-03 05:13:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure note_to_freq [2023-04-03 05:13:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure compute_finetune [2023-04-03 05:13:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure seq_copy_to_input [2023-04-03 05:13:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure seq_queue [2023-04-03 05:13:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure seq_startplay [2023-04-03 05:13:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure seq_sync [2023-04-03 05:13:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure seq_reset [2023-04-03 05:13:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure sequencer_midi_output [2023-04-03 05:13:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure sequencer_midi_input [2023-04-03 05:13:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~$Pointer$~X~int~X~int~X~int~TO~int [2023-04-03 05:13:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure extended_event [2023-04-03 05:13:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~X~int~TO~int [2023-04-03 05:13:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~TO~VOID [2023-04-03 05:13:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure find_voice [2023-04-03 05:13:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_voice [2023-04-03 05:13:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~X~$Pointer$~TO~int [2023-04-03 05:13:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure seq_chn_voice_event [2023-04-03 05:13:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure seq_chn_common_event [2023-04-03 05:13:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure seq_timing_event [2023-04-03 05:13:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-04-03 05:13:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure seq_local_event [2023-04-03 05:13:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure seq_sysex_message [2023-04-03 05:13:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~X~int~TO~int [2023-04-03 05:13:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure play_event [2023-04-03 05:13:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~VOID [2023-04-03 05:13:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure reset_controllers [2023-04-03 05:13:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure setup_mode2 [2023-04-03 05:13:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure seq_drain_midi_queues [2023-04-03 05:13:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure midi_outc___0 [2023-04-03 05:13:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure seq_panic [2023-04-03 05:13:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_114 [2023-04-03 05:13:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_115 [2023-04-03 05:13:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_113 [2023-04-03 05:13:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure reprogram_timer [2023-04-03 05:13:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure sound_timer_interrupt [2023-04-03 05:13:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure sound_timer_syncinterval [2023-04-03 05:13:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure sound_timer_init [2023-04-03 05:13:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure tmr2ticks [2023-04-03 05:13:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure tmr_reset [2023-04-03 05:13:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure timer_open [2023-04-03 05:13:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure timer_close [2023-04-03 05:13:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure timer_event [2023-04-03 05:13:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure timer_get_time [2023-04-03 05:13:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure timer_ioctl [2023-04-03 05:13:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure timer_arm [2023-04-03 05:13:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_124 [2023-04-03 05:13:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_125 [2023-04-03 05:13:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_123 [2023-04-03 05:13:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure poll_def_tmr [2023-04-03 05:13:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure tmr2ticks___0 [2023-04-03 05:13:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure tmr_reset___0 [2023-04-03 05:13:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_open [2023-04-03 05:13:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_close [2023-04-03 05:13:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_event [2023-04-03 05:13:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_get_time [2023-04-03 05:13:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_ioctl [2023-04-03 05:13:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_arm [2023-04-03 05:13:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-03 05:13:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2023-04-03 05:13:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-03 05:13:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-03 05:13:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-03 05:13:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-03 05:13:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2023-04-03 05:13:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2023-04-03 05:13:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2023-04-03 05:13:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2023-04-03 05:13:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2023-04-03 05:13:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2023-04-03 05:13:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2023-04-03 05:13:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2023-04-03 05:13:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_soundcard_mutex [2023-04-03 05:13:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_soundcard_mutex [2023-04-03 05:13:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_soundcard_mutex [2023-04-03 05:13:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_soundcard_mutex [2023-04-03 05:13:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_soundcard_mutex [2023-04-03 05:13:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_soundcard_mutex [2023-04-03 05:13:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_soundcard_mutex [2023-04-03 05:13:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_soundcard_mutex [2023-04-03 05:13:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_soundcard_mutex [2023-04-03 05:13:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2023-04-03 05:13:09,751 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 05:13:09,751 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-03 05:13:09,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 05:13:09,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 05:13:09,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-03 05:13:09,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 05:13:09,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-03 05:13:09,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-03 05:13:09,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-03 05:13:09,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-03 05:13:10,804 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 05:13:10,809 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 05:13:12,407 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L3834: assume 0 != ~tmp___1~2;#res := ~ret~3; [2023-04-03 05:13:12,407 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L3834: assume !(0 != ~tmp___1~2);#res := ~ret~3; [2023-04-03 05:13:12,407 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L3801: havoc #t~switch120; [2023-04-03 05:13:12,407 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L3830: assume #t~switch120; [2023-04-03 05:13:12,407 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L3830: assume !#t~switch120;#t~switch120 := true; [2023-04-03 05:13:12,407 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L3822: assume 0 != ~tmp___0~8;#res := ~ret~3; [2023-04-03 05:13:12,407 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L3822: assume !(0 != ~tmp___0~8);#res := ~ret~3; [2023-04-03 05:13:12,407 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L3818: assume #t~switch120; [2023-04-03 05:13:12,407 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L3818: assume !#t~switch120;#t~switch120 := #t~switch120 || 16 == ~size; [2023-04-03 05:13:12,407 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume #t~switch120;#res := ~ret~3; [2023-04-03 05:13:12,407 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L3814: assume #t~switch120;#res := ~ret~3; [2023-04-03 05:13:12,408 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L3814: assume !#t~switch120;#t~switch120 := #t~switch120 || 10 == ~size; [2023-04-03 05:13:12,408 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !#t~switch120;#t~switch120 := #t~switch120 || 2 == ~size; [2023-04-03 05:13:12,408 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L3810: assume #t~switch120;#res := ~ret~3; [2023-04-03 05:13:12,408 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L3810: assume !#t~switch120;#t~switch120 := #t~switch120 || 8 == ~size; [2023-04-03 05:13:12,408 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L3843-1: ~tmp___2~1 := #t~ret123;havoc #t~ret123;#res := (if ~tmp___2~1 % 4294967296 % 4294967296 <= 2147483647 then ~tmp___2~1 % 4294967296 % 4294967296 else ~tmp___2~1 % 4294967296 % 4294967296 - 4294967296); [2023-04-03 05:13:12,408 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L3843: SUMMARY for call #t~ret123 := copy_user_generic(~dst.base, ~dst.offset, ~src.base, ~src.offset, ~size); srcloc: null [2023-04-03 05:13:12,408 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L3806: assume #t~switch120;#res := ~ret~3; [2023-04-03 05:13:12,408 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L3806: assume !#t~switch120;#t~switch120 := #t~switch120 || 4 == ~size; [2023-04-03 05:13:12,408 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L3833-1: assume -2147483648 <= #t~ret122 && #t~ret122 <= 2147483647;~tmp___1~2 := #t~ret122;havoc #t~ret122; [2023-04-03 05:13:12,408 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L3833: SUMMARY for call #t~ret122 := ldv__builtin_expect((if 0 != ~ret~3 then 1 else 0), 0); srcloc: null [2023-04-03 05:13:12,408 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L3821-1: assume -2147483648 <= #t~ret121 && #t~ret121 <= 2147483647;~tmp___0~8 := #t~ret121;havoc #t~ret121; [2023-04-03 05:13:12,408 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L3821: SUMMARY for call #t~ret121 := ldv__builtin_expect((if 0 != ~ret~3 then 1 else 0), 0); srcloc: null [2023-04-03 05:13:12,408 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L3842: assume #t~switch120; [2023-04-03 05:13:12,408 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L3842: assume !#t~switch120; [2023-04-03 05:13:13,519 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L3774: SUMMARY for call #t~ret117 := ldv__builtin_expect((if 0 != ~ret~2 then 1 else 0), 0); srcloc: null [2023-04-03 05:13:13,520 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L3774-1: assume -2147483648 <= #t~ret117 && #t~ret117 <= 2147483647;~tmp___1~1 := #t~ret117;havoc #t~ret117; [2023-04-03 05:13:13,520 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L3770: assume #t~switch115; [2023-04-03 05:13:13,520 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L3770: assume !#t~switch115;#t~switch115 := true; [2023-04-03 05:13:13,520 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L3762: assume 0 != ~tmp___0~7;#res := ~ret~2; [2023-04-03 05:13:13,520 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L3762: assume !(0 != ~tmp___0~7);#res := ~ret~2; [2023-04-03 05:13:13,520 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L3752: assume #t~switch115;#res := ~ret~2; [2023-04-03 05:13:13,520 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L3752: assume !#t~switch115;#t~switch115 := #t~switch115 || 10 == ~size; [2023-04-03 05:13:13,520 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume #t~switch115;#res := ~ret~2; [2023-04-03 05:13:13,520 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L3783: assume #t~switch115; [2023-04-03 05:13:13,520 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L3783: assume !#t~switch115; [2023-04-03 05:13:13,520 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !#t~switch115;#t~switch115 := #t~switch115 || 2 == ~size; [2023-04-03 05:13:13,520 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L3742: assume #t~switch115;#res := ~ret~2; [2023-04-03 05:13:13,520 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L3742: assume !#t~switch115;#t~switch115 := #t~switch115 || 4 == ~size; [2023-04-03 05:13:13,521 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L3775: assume 0 != ~tmp___1~1;#res := ~ret~2; [2023-04-03 05:13:13,521 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L3775: assume !(0 != ~tmp___1~1);#res := ~ret~2; [2023-04-03 05:13:13,521 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L3736: havoc #t~switch115; [2023-04-03 05:13:13,521 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L3761-1: assume -2147483648 <= #t~ret116 && #t~ret116 <= 2147483647;~tmp___0~7 := #t~ret116;havoc #t~ret116; [2023-04-03 05:13:13,521 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L3761: SUMMARY for call #t~ret116 := ldv__builtin_expect((if 0 != ~ret~2 then 1 else 0), 0); srcloc: null [2023-04-03 05:13:13,521 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L3757: assume #t~switch115; [2023-04-03 05:13:13,521 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L3757: assume !#t~switch115;#t~switch115 := #t~switch115 || 16 == ~size; [2023-04-03 05:13:13,521 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L3784: SUMMARY for call #t~ret118 := copy_user_generic(~dst.base, ~dst.offset, ~src.base, ~src.offset, ~size); srcloc: null [2023-04-03 05:13:13,521 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L3784-1: ~tmp___2~0 := #t~ret118;havoc #t~ret118;#res := (if ~tmp___2~0 % 4294967296 % 4294967296 <= 2147483647 then ~tmp___2~0 % 4294967296 % 4294967296 else ~tmp___2~0 % 4294967296 % 4294967296 - 4294967296); [2023-04-03 05:13:13,521 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L3747: assume #t~switch115;#res := ~ret~2; [2023-04-03 05:13:13,521 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L3747: assume !#t~switch115;#t~switch115 := #t~switch115 || 8 == ~size; [2023-04-03 05:13:13,747 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-03 05:13:18,571 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 05:13:26,472 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 05:13:26,472 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-03 05:13:26,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 05:13:26 BoogieIcfgContainer [2023-04-03 05:13:26,477 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 05:13:26,478 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 05:13:26,479 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 05:13:26,481 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 05:13:26,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 05:13:06" (1/3) ... [2023-04-03 05:13:26,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f68c470 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 05:13:26, skipping insertion in model container [2023-04-03 05:13:26,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 05:13:08" (2/3) ... [2023-04-03 05:13:26,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f68c470 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 05:13:26, skipping insertion in model container [2023-04-03 05:13:26,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 05:13:26" (3/3) ... [2023-04-03 05:13:26,482 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point_ldv-val-v0.8.cil.out.i [2023-04-03 05:13:26,494 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 05:13:26,494 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 05:13:26,574 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 05:13:26,578 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;@458eb5e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 05:13:26,578 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 05:13:26,591 INFO L276 IsEmpty]: Start isEmpty. Operand has 3941 states, 2447 states have (on average 1.3771965672251736) internal successors, (3370), 2591 states have internal predecessors, (3370), 1133 states have call successors, (1133), 290 states have call predecessors, (1133), 289 states have return successors, (1124), 1080 states have call predecessors, (1124), 1124 states have call successors, (1124) [2023-04-03 05:13:26,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-04-03 05:13:26,609 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:13:26,609 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:13:26,610 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:13:26,613 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:13:26,613 INFO L85 PathProgramCache]: Analyzing trace with hash 1244808540, now seen corresponding path program 1 times [2023-04-03 05:13:26,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:13:26,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738556375] [2023-04-03 05:13:26,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:13:26,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:13:27,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:13:27,538 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2023-04-03 05:13:27,538 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:13:27,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738556375] [2023-04-03 05:13:27,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738556375] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:13:27,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:13:27,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:13:27,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100600609] [2023-04-03 05:13:27,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:13:27,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:13:27,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:13:27,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:13:27,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:13:27,568 INFO L87 Difference]: Start difference. First operand has 3941 states, 2447 states have (on average 1.3771965672251736) internal successors, (3370), 2591 states have internal predecessors, (3370), 1133 states have call successors, (1133), 290 states have call predecessors, (1133), 289 states have return successors, (1124), 1080 states have call predecessors, (1124), 1124 states have call successors, (1124) Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-04-03 05:13:32,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:13:33,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:13:35,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 05:13:36,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:13:36,505 INFO L93 Difference]: Finished difference Result 7697 states and 11200 transitions. [2023-04-03 05:13:36,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:13:36,507 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 161 [2023-04-03 05:13:36,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:13:36,539 INFO L225 Difference]: With dead ends: 7697 [2023-04-03 05:13:36,539 INFO L226 Difference]: Without dead ends: 4344 [2023-04-03 05:13:36,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 05:13:36,555 INFO L413 NwaCegarLoop]: 4407 mSDtfsCounter, 1497 mSDsluCounter, 4290 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1497 SdHoareTripleChecker+Valid, 8697 SdHoareTripleChecker+Invalid, 1025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2023-04-03 05:13:36,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1497 Valid, 8697 Invalid, 1025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1022 Invalid, 1 Unknown, 0 Unchecked, 8.7s Time] [2023-04-03 05:13:36,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4344 states. [2023-04-03 05:13:36,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4344 to 4336. [2023-04-03 05:13:36,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4336 states, 2765 states have (on average 1.3974683544303796) internal successors, (3864), 2930 states have internal predecessors, (3864), 1204 states have call successors, (1204), 369 states have call predecessors, (1204), 366 states have return successors, (1198), 1129 states have call predecessors, (1198), 1198 states have call successors, (1198) [2023-04-03 05:13:36,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4336 states to 4336 states and 6266 transitions. [2023-04-03 05:13:36,782 INFO L78 Accepts]: Start accepts. Automaton has 4336 states and 6266 transitions. Word has length 161 [2023-04-03 05:13:36,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:13:36,785 INFO L495 AbstractCegarLoop]: Abstraction has 4336 states and 6266 transitions. [2023-04-03 05:13:36,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-04-03 05:13:36,785 INFO L276 IsEmpty]: Start isEmpty. Operand 4336 states and 6266 transitions. [2023-04-03 05:13:36,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-04-03 05:13:36,796 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:13:36,796 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:13:36,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 05:13:36,797 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:13:36,798 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:13:36,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1046385909, now seen corresponding path program 1 times [2023-04-03 05:13:36,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:13:36,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603537788] [2023-04-03 05:13:36,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:13:36,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:13:37,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:13:37,305 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2023-04-03 05:13:37,306 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:13:37,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603537788] [2023-04-03 05:13:37,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603537788] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:13:37,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:13:37,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:13:37,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944415668] [2023-04-03 05:13:37,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:13:37,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:13:37,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:13:37,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:13:37,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:13:37,310 INFO L87 Difference]: Start difference. First operand 4336 states and 6266 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-04-03 05:13:40,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:13:41,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:13:41,952 INFO L93 Difference]: Finished difference Result 4338 states and 6267 transitions. [2023-04-03 05:13:41,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:13:41,954 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 178 [2023-04-03 05:13:41,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:13:41,974 INFO L225 Difference]: With dead ends: 4338 [2023-04-03 05:13:41,975 INFO L226 Difference]: Without dead ends: 4335 [2023-04-03 05:13:41,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 05:13:41,979 INFO L413 NwaCegarLoop]: 4345 mSDtfsCounter, 4792 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4792 SdHoareTripleChecker+Valid, 4346 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-04-03 05:13:41,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4792 Valid, 4346 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2023-04-03 05:13:41,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4335 states. [2023-04-03 05:13:42,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4335 to 4335. [2023-04-03 05:13:42,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4335 states, 2765 states have (on average 1.3971066907775769) internal successors, (3863), 2929 states have internal predecessors, (3863), 1203 states have call successors, (1203), 369 states have call predecessors, (1203), 366 states have return successors, (1198), 1129 states have call predecessors, (1198), 1198 states have call successors, (1198) [2023-04-03 05:13:42,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4335 states to 4335 states and 6264 transitions. [2023-04-03 05:13:42,120 INFO L78 Accepts]: Start accepts. Automaton has 4335 states and 6264 transitions. Word has length 178 [2023-04-03 05:13:42,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:13:42,122 INFO L495 AbstractCegarLoop]: Abstraction has 4335 states and 6264 transitions. [2023-04-03 05:13:42,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-04-03 05:13:42,122 INFO L276 IsEmpty]: Start isEmpty. Operand 4335 states and 6264 transitions. [2023-04-03 05:13:42,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-04-03 05:13:42,127 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:13:42,127 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:13:42,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 05:13:42,127 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:13:42,127 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:13:42,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1919737855, now seen corresponding path program 1 times [2023-04-03 05:13:42,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:13:42,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593592635] [2023-04-03 05:13:42,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:13:42,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:13:42,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:13:42,664 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2023-04-03 05:13:42,664 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:13:42,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593592635] [2023-04-03 05:13:42,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593592635] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:13:42,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:13:42,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:13:42,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4478448] [2023-04-03 05:13:42,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:13:42,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:13:42,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:13:42,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:13:42,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:13:42,667 INFO L87 Difference]: Start difference. First operand 4335 states and 6264 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-04-03 05:13:47,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 05:13:49,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:13:50,532 WARN L539 Checker$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 05:13:53,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 05:13:53,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:13:53,877 INFO L93 Difference]: Finished difference Result 6854 states and 9869 transitions. [2023-04-03 05:13:53,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:13:53,877 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 179 [2023-04-03 05:13:53,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:13:53,918 INFO L225 Difference]: With dead ends: 6854 [2023-04-03 05:13:53,919 INFO L226 Difference]: Without dead ends: 6756 [2023-04-03 05:13:53,926 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 05:13:53,926 INFO L413 NwaCegarLoop]: 4554 mSDtfsCounter, 2248 mSDsluCounter, 4213 mSDsCounter, 0 mSdLazyCounter, 1019 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2248 SdHoareTripleChecker+Valid, 8767 SdHoareTripleChecker+Invalid, 1023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1019 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2023-04-03 05:13:53,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2248 Valid, 8767 Invalid, 1023 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1019 Invalid, 1 Unknown, 0 Unchecked, 11.0s Time] [2023-04-03 05:13:53,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6756 states. [2023-04-03 05:13:54,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6756 to 6756. [2023-04-03 05:13:54,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6756 states, 4332 states have (on average 1.4014312096029549) internal successors, (6071), 4618 states have internal predecessors, (6071), 1834 states have call successors, (1834), 602 states have call predecessors, (1834), 589 states have return successors, (1834), 1678 states have call predecessors, (1834), 1829 states have call successors, (1834) [2023-04-03 05:13:54,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6756 states to 6756 states and 9739 transitions. [2023-04-03 05:13:54,233 INFO L78 Accepts]: Start accepts. Automaton has 6756 states and 9739 transitions. Word has length 179 [2023-04-03 05:13:54,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:13:54,235 INFO L495 AbstractCegarLoop]: Abstraction has 6756 states and 9739 transitions. [2023-04-03 05:13:54,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-04-03 05:13:54,235 INFO L276 IsEmpty]: Start isEmpty. Operand 6756 states and 9739 transitions. [2023-04-03 05:13:54,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2023-04-03 05:13:54,246 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:13:54,246 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 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] [2023-04-03 05:13:54,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 05:13:54,246 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:13:54,247 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:13:54,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1816129911, now seen corresponding path program 1 times [2023-04-03 05:13:54,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:13:54,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222476884] [2023-04-03 05:13:54,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:13:54,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:13:54,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:13:54,933 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2023-04-03 05:13:54,934 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:13:54,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222476884] [2023-04-03 05:13:54,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222476884] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:13:54,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:13:54,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:13:54,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469119164] [2023-04-03 05:13:54,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:13:54,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:13:54,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:13:54,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:13:54,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:13:54,936 INFO L87 Difference]: Start difference. First operand 6756 states and 9739 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (34), 3 states have call predecessors, (34), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-03 05:13:59,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:14:01,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 05:14:01,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:14:01,553 INFO L93 Difference]: Finished difference Result 13477 states and 19431 transitions. [2023-04-03 05:14:01,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:14:01,553 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (34), 3 states have call predecessors, (34), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 236 [2023-04-03 05:14:01,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:14:01,581 INFO L225 Difference]: With dead ends: 13477 [2023-04-03 05:14:01,581 INFO L226 Difference]: Without dead ends: 6755 [2023-04-03 05:14:01,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 05:14:01,604 INFO L413 NwaCegarLoop]: 6014 mSDtfsCounter, 4686 mSDsluCounter, 2010 mSDsCounter, 0 mSdLazyCounter, 872 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4686 SdHoareTripleChecker+Valid, 8024 SdHoareTripleChecker+Invalid, 874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 872 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-04-03 05:14:01,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4686 Valid, 8024 Invalid, 874 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 872 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2023-04-03 05:14:01,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6755 states. [2023-04-03 05:14:02,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6755 to 6755. [2023-04-03 05:14:02,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6755 states, 4332 states have (on average 1.4009695290858726) internal successors, (6069), 4617 states have internal predecessors, (6069), 1833 states have call successors, (1833), 602 states have call predecessors, (1833), 589 states have return successors, (1814), 1678 states have call predecessors, (1814), 1813 states have call successors, (1814) [2023-04-03 05:14:02,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6755 states to 6755 states and 9716 transitions. [2023-04-03 05:14:02,111 INFO L78 Accepts]: Start accepts. Automaton has 6755 states and 9716 transitions. Word has length 236 [2023-04-03 05:14:02,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:14:02,114 INFO L495 AbstractCegarLoop]: Abstraction has 6755 states and 9716 transitions. [2023-04-03 05:14:02,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (34), 3 states have call predecessors, (34), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-03 05:14:02,115 INFO L276 IsEmpty]: Start isEmpty. Operand 6755 states and 9716 transitions. [2023-04-03 05:14:02,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2023-04-03 05:14:02,129 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:14:02,129 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:14:02,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 05:14:02,130 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:14:02,130 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:14:02,130 INFO L85 PathProgramCache]: Analyzing trace with hash -981666369, now seen corresponding path program 1 times [2023-04-03 05:14:02,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:14:02,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033693824] [2023-04-03 05:14:02,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:14:02,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:14:02,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:14:02,553 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2023-04-03 05:14:02,553 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:14:02,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033693824] [2023-04-03 05:14:02,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033693824] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:14:02,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:14:02,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:14:02,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338094873] [2023-04-03 05:14:02,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:14:02,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:14:02,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:14:02,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:14:02,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:14:02,555 INFO L87 Difference]: Start difference. First operand 6755 states and 9716 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-04-03 05:14:07,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 05:14:09,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:14:10,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:14:10,379 INFO L93 Difference]: Finished difference Result 16857 states and 24186 transitions. [2023-04-03 05:14:10,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:14:10,380 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 266 [2023-04-03 05:14:10,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:14:10,422 INFO L225 Difference]: With dead ends: 16857 [2023-04-03 05:14:10,422 INFO L226 Difference]: Without dead ends: 10136 [2023-04-03 05:14:10,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 05:14:10,444 INFO L413 NwaCegarLoop]: 5890 mSDtfsCounter, 3356 mSDsluCounter, 3791 mSDsCounter, 0 mSdLazyCounter, 1129 mSolverCounterSat, 19 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3356 SdHoareTripleChecker+Valid, 9681 SdHoareTripleChecker+Invalid, 1149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1129 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2023-04-03 05:14:10,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3356 Valid, 9681 Invalid, 1149 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [19 Valid, 1129 Invalid, 1 Unknown, 0 Unchecked, 7.5s Time] [2023-04-03 05:14:10,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10136 states. [2023-04-03 05:14:10,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10136 to 10119. [2023-04-03 05:14:10,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10119 states, 6476 states have (on average 1.3936071649166153) internal successors, (9025), 6906 states have internal predecessors, (9025), 2736 states have call successors, (2736), 920 states have call predecessors, (2736), 906 states have return successors, (2717), 2507 states have call predecessors, (2717), 2716 states have call successors, (2717) [2023-04-03 05:14:10,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10119 states to 10119 states and 14478 transitions. [2023-04-03 05:14:10,783 INFO L78 Accepts]: Start accepts. Automaton has 10119 states and 14478 transitions. Word has length 266 [2023-04-03 05:14:10,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:14:10,784 INFO L495 AbstractCegarLoop]: Abstraction has 10119 states and 14478 transitions. [2023-04-03 05:14:10,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-04-03 05:14:10,784 INFO L276 IsEmpty]: Start isEmpty. Operand 10119 states and 14478 transitions. [2023-04-03 05:14:10,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2023-04-03 05:14:10,808 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:14:10,808 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 4, 3, 3, 3, 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 05:14:10,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 05:14:10,809 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:14:10,809 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:14:10,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1233270476, now seen corresponding path program 1 times [2023-04-03 05:14:10,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:14:10,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840686372] [2023-04-03 05:14:10,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:14:10,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:14:11,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:14:11,333 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2023-04-03 05:14:11,333 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:14:11,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840686372] [2023-04-03 05:14:11,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840686372] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:14:11,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:14:11,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:14:11,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748843245] [2023-04-03 05:14:11,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:14:11,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:14:11,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:14:11,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:14:11,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:14:11,335 INFO L87 Difference]: Start difference. First operand 10119 states and 14478 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-04-03 05:14:14,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 05:14:18,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:14:18,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:14:18,683 INFO L93 Difference]: Finished difference Result 22206 states and 31800 transitions. [2023-04-03 05:14:18,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:14:18,683 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 288 [2023-04-03 05:14:18,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:14:18,727 INFO L225 Difference]: With dead ends: 22206 [2023-04-03 05:14:18,727 INFO L226 Difference]: Without dead ends: 12121 [2023-04-03 05:14:18,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 05:14:18,755 INFO L413 NwaCegarLoop]: 6496 mSDtfsCounter, 4185 mSDsluCounter, 3071 mSDsCounter, 0 mSdLazyCounter, 1099 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4185 SdHoareTripleChecker+Valid, 9567 SdHoareTripleChecker+Invalid, 1122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1099 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2023-04-03 05:14:18,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4185 Valid, 9567 Invalid, 1122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1099 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2023-04-03 05:14:18,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12121 states. [2023-04-03 05:14:19,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12121 to 12104. [2023-04-03 05:14:19,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12104 states, 7800 states have (on average 1.4) internal successors, (10920), 8332 states have internal predecessors, (10920), 3214 states have call successors, (3214), 1103 states have call predecessors, (3214), 1089 states have return successors, (3195), 2926 states have call predecessors, (3195), 3194 states have call successors, (3195) [2023-04-03 05:14:19,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12104 states to 12104 states and 17329 transitions. [2023-04-03 05:14:19,108 INFO L78 Accepts]: Start accepts. Automaton has 12104 states and 17329 transitions. Word has length 288 [2023-04-03 05:14:19,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:14:19,110 INFO L495 AbstractCegarLoop]: Abstraction has 12104 states and 17329 transitions. [2023-04-03 05:14:19,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-04-03 05:14:19,110 INFO L276 IsEmpty]: Start isEmpty. Operand 12104 states and 17329 transitions. [2023-04-03 05:14:19,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2023-04-03 05:14:19,133 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:14:19,133 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 4, 3, 3, 3, 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] [2023-04-03 05:14:19,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 05:14:19,134 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:14:19,134 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:14:19,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1248340333, now seen corresponding path program 1 times [2023-04-03 05:14:19,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:14:19,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458088212] [2023-04-03 05:14:19,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:14:19,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:14:19,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:14:20,078 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2023-04-03 05:14:20,079 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:14:20,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458088212] [2023-04-03 05:14:20,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458088212] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:14:20,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:14:20,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 05:14:20,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596336332] [2023-04-03 05:14:20,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:14:20,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 05:14:20,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:14:20,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 05:14:20,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-03 05:14:20,081 INFO L87 Difference]: Start difference. First operand 12104 states and 17329 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 3 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (35), 4 states have call predecessors, (35), 3 states have call successors, (35) [2023-04-03 05:14:26,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 05:14:30,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:14:31,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:14:36,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 05:14:37,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:14:37,032 INFO L93 Difference]: Finished difference Result 24164 states and 34598 transitions. [2023-04-03 05:14:37,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-03 05:14:37,033 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 3 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (35), 4 states have call predecessors, (35), 3 states have call successors, (35) Word has length 289 [2023-04-03 05:14:37,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:14:37,073 INFO L225 Difference]: With dead ends: 24164 [2023-04-03 05:14:37,074 INFO L226 Difference]: Without dead ends: 12094 [2023-04-03 05:14:37,102 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-04-03 05:14:37,103 INFO L413 NwaCegarLoop]: 5590 mSDtfsCounter, 3354 mSDsluCounter, 13630 mSDsCounter, 0 mSdLazyCounter, 3696 mSolverCounterSat, 15 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3354 SdHoareTripleChecker+Valid, 19220 SdHoareTripleChecker+Invalid, 3713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 3696 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2023-04-03 05:14:37,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3354 Valid, 19220 Invalid, 3713 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 3696 Invalid, 2 Unknown, 0 Unchecked, 16.5s Time] [2023-04-03 05:14:37,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12094 states. [2023-04-03 05:14:37,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12094 to 12069. [2023-04-03 05:14:37,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12069 states, 7785 states have (on average 1.3991008349389853) internal successors, (10892), 8315 states have internal predecessors, (10892), 3200 states have call successors, (3200), 1096 states have call predecessors, (3200), 1083 states have return successors, (3182), 2914 states have call predecessors, (3182), 3180 states have call successors, (3182) [2023-04-03 05:14:37,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12069 states to 12069 states and 17274 transitions. [2023-04-03 05:14:37,532 INFO L78 Accepts]: Start accepts. Automaton has 12069 states and 17274 transitions. Word has length 289 [2023-04-03 05:14:37,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:14:37,533 INFO L495 AbstractCegarLoop]: Abstraction has 12069 states and 17274 transitions. [2023-04-03 05:14:37,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 3 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (35), 4 states have call predecessors, (35), 3 states have call successors, (35) [2023-04-03 05:14:37,533 INFO L276 IsEmpty]: Start isEmpty. Operand 12069 states and 17274 transitions. [2023-04-03 05:14:37,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2023-04-03 05:14:37,560 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:14:37,560 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 4, 3, 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] [2023-04-03 05:14:37,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-03 05:14:37,561 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:14:37,561 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:14:37,561 INFO L85 PathProgramCache]: Analyzing trace with hash -137731956, now seen corresponding path program 1 times [2023-04-03 05:14:37,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:14:37,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794212455] [2023-04-03 05:14:37,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:14:37,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:14:37,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:14:38,254 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2023-04-03 05:14:38,255 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:14:38,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794212455] [2023-04-03 05:14:38,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794212455] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:14:38,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:14:38,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-03 05:14:38,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384954533] [2023-04-03 05:14:38,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:14:38,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-03 05:14:38,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:14:38,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-03 05:14:38,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-04-03 05:14:38,256 INFO L87 Difference]: Start difference. First operand 12069 states and 17274 transitions. Second operand has 8 states, 8 states have (on average 14.5) internal successors, (116), 6 states have internal predecessors, (116), 3 states have call successors, (45), 2 states have call predecessors, (45), 3 states have return successors, (40), 5 states have call predecessors, (40), 3 states have call successors, (40) [2023-04-03 05:14:42,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 05:14:43,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 05:14:45,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 05:14:49,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-04-03 05:14:52,775 WARN L539 Checker$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 05:14:54,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:14:55,539 WARN L539 Checker$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 05:14:57,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:14:58,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:14:59,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:15:03,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:15:03,069 INFO L93 Difference]: Finished difference Result 24190 states and 34613 transitions. [2023-04-03 05:15:03,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-03 05:15:03,070 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.5) internal successors, (116), 6 states have internal predecessors, (116), 3 states have call successors, (45), 2 states have call predecessors, (45), 3 states have return successors, (40), 5 states have call predecessors, (40), 3 states have call successors, (40) Word has length 315 [2023-04-03 05:15:03,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:15:03,110 INFO L225 Difference]: With dead ends: 24190 [2023-04-03 05:15:03,110 INFO L226 Difference]: Without dead ends: 12085 [2023-04-03 05:15:03,136 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-04-03 05:15:03,138 INFO L413 NwaCegarLoop]: 4340 mSDtfsCounter, 8 mSDsluCounter, 26030 mSDsCounter, 0 mSdLazyCounter, 3478 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 30370 SdHoareTripleChecker+Invalid, 3481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3478 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.4s IncrementalHoareTripleChecker+Time [2023-04-03 05:15:03,138 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 30370 Invalid, 3481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3478 Invalid, 2 Unknown, 0 Unchecked, 24.4s Time] [2023-04-03 05:15:03,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12085 states. [2023-04-03 05:15:03,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12085 to 12075. [2023-04-03 05:15:03,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12075 states, 7792 states have (on average 1.397458932238193) internal successors, (10889), 8319 states have internal predecessors, (10889), 3198 states have call successors, (3198), 1091 states have call predecessors, (3198), 1084 states have return successors, (3186), 2916 states have call predecessors, (3186), 3178 states have call successors, (3186) [2023-04-03 05:15:03,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12075 states to 12075 states and 17273 transitions. [2023-04-03 05:15:03,498 INFO L78 Accepts]: Start accepts. Automaton has 12075 states and 17273 transitions. Word has length 315 [2023-04-03 05:15:03,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:15:03,498 INFO L495 AbstractCegarLoop]: Abstraction has 12075 states and 17273 transitions. [2023-04-03 05:15:03,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.5) internal successors, (116), 6 states have internal predecessors, (116), 3 states have call successors, (45), 2 states have call predecessors, (45), 3 states have return successors, (40), 5 states have call predecessors, (40), 3 states have call successors, (40) [2023-04-03 05:15:03,499 INFO L276 IsEmpty]: Start isEmpty. Operand 12075 states and 17273 transitions. [2023-04-03 05:15:03,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2023-04-03 05:15:03,524 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:15:03,524 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 4, 3, 3, 3, 3, 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] [2023-04-03 05:15:03,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-03 05:15:03,524 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:15:03,525 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:15:03,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1866296066, now seen corresponding path program 1 times [2023-04-03 05:15:03,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:15:03,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587813064] [2023-04-03 05:15:03,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:15:03,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:15:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:15:04,015 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 456 trivial. 0 not checked. [2023-04-03 05:15:04,015 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:15:04,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587813064] [2023-04-03 05:15:04,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587813064] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:15:04,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:15:04,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 05:15:04,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289306364] [2023-04-03 05:15:04,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:15:04,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 05:15:04,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:15:04,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 05:15:04,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 05:15:04,017 INFO L87 Difference]: Start difference. First operand 12075 states and 17273 transitions. Second operand has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (46), 2 states have call predecessors, (46), 3 states have return successors, (41), 3 states have call predecessors, (41), 2 states have call successors, (41) [2023-04-03 05:15:10,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:15:11,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:15:13,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:15:13,947 INFO L93 Difference]: Finished difference Result 24100 states and 34483 transitions. [2023-04-03 05:15:13,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-03 05:15:13,961 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (46), 2 states have call predecessors, (46), 3 states have return successors, (41), 3 states have call predecessors, (41), 2 states have call successors, (41) Word has length 319 [2023-04-03 05:15:13,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:15:14,063 INFO L225 Difference]: With dead ends: 24100 [2023-04-03 05:15:14,063 INFO L226 Difference]: Without dead ends: 12059 [2023-04-03 05:15:14,093 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 05:15:14,094 INFO L413 NwaCegarLoop]: 4342 mSDtfsCounter, 16 mSDsluCounter, 13006 mSDsCounter, 0 mSdLazyCounter, 1973 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 17348 SdHoareTripleChecker+Invalid, 1973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1973 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2023-04-03 05:15:14,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 17348 Invalid, 1973 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1973 Invalid, 0 Unknown, 0 Unchecked, 9.6s Time] [2023-04-03 05:15:14,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12059 states. [2023-04-03 05:15:14,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12059 to 12059. [2023-04-03 05:15:14,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12059 states, 7784 states have (on average 1.3968396711202467) internal successors, (10873), 8311 states have internal predecessors, (10873), 3190 states have call successors, (3190), 1091 states have call predecessors, (3190), 1084 states have return successors, (3178), 2908 states have call predecessors, (3178), 3170 states have call successors, (3178) [2023-04-03 05:15:14,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12059 states to 12059 states and 17241 transitions. [2023-04-03 05:15:14,416 INFO L78 Accepts]: Start accepts. Automaton has 12059 states and 17241 transitions. Word has length 319 [2023-04-03 05:15:14,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:15:14,416 INFO L495 AbstractCegarLoop]: Abstraction has 12059 states and 17241 transitions. [2023-04-03 05:15:14,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (46), 2 states have call predecessors, (46), 3 states have return successors, (41), 3 states have call predecessors, (41), 2 states have call successors, (41) [2023-04-03 05:15:14,416 INFO L276 IsEmpty]: Start isEmpty. Operand 12059 states and 17241 transitions. [2023-04-03 05:15:14,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2023-04-03 05:15:14,434 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:15:14,434 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 4, 3, 3, 3, 3, 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] [2023-04-03 05:15:14,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-03 05:15:14,434 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:15:14,434 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:15:14,434 INFO L85 PathProgramCache]: Analyzing trace with hash 633440244, now seen corresponding path program 1 times [2023-04-03 05:15:14,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:15:14,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040388276] [2023-04-03 05:15:14,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:15:14,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:15:14,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:15:15,033 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 456 trivial. 0 not checked. [2023-04-03 05:15:15,034 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:15:15,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040388276] [2023-04-03 05:15:15,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040388276] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 05:15:15,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 05:15:15,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 05:15:15,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439087036] [2023-04-03 05:15:15,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 05:15:15,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 05:15:15,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 05:15:15,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 05:15:15,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 05:15:15,035 INFO L87 Difference]: Start difference. First operand 12059 states and 17241 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-04-03 05:15:19,307 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 05:15:20,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-03 05:15:21,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 05:15:21,921 INFO L93 Difference]: Finished difference Result 24156 states and 34555 transitions. [2023-04-03 05:15:21,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 05:15:21,922 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 318 [2023-04-03 05:15:21,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 05:15:21,966 INFO L225 Difference]: With dead ends: 24156 [2023-04-03 05:15:21,966 INFO L226 Difference]: Without dead ends: 12131 [2023-04-03 05:15:21,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 05:15:21,996 INFO L413 NwaCegarLoop]: 4341 mSDtfsCounter, 8 mSDsluCounter, 4339 mSDsCounter, 0 mSdLazyCounter, 988 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 8680 SdHoareTripleChecker+Invalid, 989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 988 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2023-04-03 05:15:21,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 8680 Invalid, 989 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 988 Invalid, 1 Unknown, 0 Unchecked, 6.6s Time] [2023-04-03 05:15:22,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12131 states. [2023-04-03 05:15:22,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12131 to 12067. [2023-04-03 05:15:22,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12067 states, 7792 states have (on average 1.3964322381930185) internal successors, (10881), 8319 states have internal predecessors, (10881), 3190 states have call successors, (3190), 1091 states have call predecessors, (3190), 1084 states have return successors, (3178), 2908 states have call predecessors, (3178), 3170 states have call successors, (3178) [2023-04-03 05:15:22,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12067 states to 12067 states and 17249 transitions. [2023-04-03 05:15:22,344 INFO L78 Accepts]: Start accepts. Automaton has 12067 states and 17249 transitions. Word has length 318 [2023-04-03 05:15:22,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 05:15:22,345 INFO L495 AbstractCegarLoop]: Abstraction has 12067 states and 17249 transitions. [2023-04-03 05:15:22,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-04-03 05:15:22,345 INFO L276 IsEmpty]: Start isEmpty. Operand 12067 states and 17249 transitions. [2023-04-03 05:15:22,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2023-04-03 05:15:22,364 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 05:15:22,364 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 4, 3, 3, 3, 3, 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] [2023-04-03 05:15:22,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-03 05:15:22,365 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 05:15:22,365 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 05:15:22,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1774994735, now seen corresponding path program 1 times [2023-04-03 05:15:22,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 05:15:22,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337349962] [2023-04-03 05:15:22,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:15:22,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 05:15:22,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:15:23,064 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 456 trivial. 0 not checked. [2023-04-03 05:15:23,064 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 05:15:23,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337349962] [2023-04-03 05:15:23,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337349962] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 05:15:23,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1404372525] [2023-04-03 05:15:23,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 05:15:23,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 05:15:23,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 05:15:23,092 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 05:15:23,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 05:15:25,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 05:15:25,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 7047 conjuncts, 5 conjunts are in the unsatisfiable core [2023-04-03 05:15:25,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 05:15:25,325 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 126 proven. 1 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2023-04-03 05:15:25,325 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 05:15:25,584 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 456 trivial. 0 not checked. [2023-04-03 05:15:25,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1404372525] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 05:15:25,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1745100028] [2023-04-03 05:15:25,640 INFO L159 IcfgInterpreter]: Started Sifa with 192 locations of interest [2023-04-03 05:15:25,640 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 05:15:25,642 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 05:15:25,645 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 05:15:25,645 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 05:16:55,166 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 490 for LOIs