./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-validator-v0.6/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-validator-v0.6/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fa2b7015249343fdf8056852ea29542152fe4e2fe5328579e80867d2e6b2b327 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 05:17:08,248 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 05:17:08,254 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 05:17:08,290 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 05:17:08,291 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 05:17:08,291 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 05:17:08,292 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 05:17:08,294 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 05:17:08,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 05:17:08,295 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 05:17:08,296 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 05:17:08,297 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 05:17:08,297 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 05:17:08,298 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 05:17:08,298 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 05:17:08,299 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 05:17:08,300 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 05:17:08,300 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 05:17:08,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 05:17:08,302 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 05:17:08,303 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 05:17:08,304 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 05:17:08,305 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 05:17:08,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 05:17:08,307 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 05:17:08,307 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 05:17:08,307 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 05:17:08,308 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 05:17:08,308 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 05:17:08,309 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 05:17:08,309 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 05:17:08,310 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 05:17:08,310 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 05:17:08,311 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 05:17:08,311 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 05:17:08,311 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 05:17:08,312 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 05:17:08,312 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 05:17:08,312 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 05:17:08,313 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 05:17:08,313 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 05:17:08,319 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 05:17:08,344 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 05:17:08,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 05:17:08,345 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 05:17:08,345 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 05:17:08,345 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 05:17:08,346 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 05:17:08,346 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 05:17:08,346 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 05:17:08,346 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 05:17:08,347 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 05:17:08,347 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 05:17:08,347 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 05:17:08,347 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 05:17:08,348 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 05:17:08,348 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 05:17:08,348 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 05:17:08,348 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 05:17:08,348 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 05:17:08,348 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 05:17:08,348 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 05:17:08,349 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 05:17:08,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 05:17:08,349 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 05:17:08,349 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 05:17:08,349 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 05:17:08,349 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 05:17:08,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 05:17:08,350 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 05:17:08,350 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 05:17:08,350 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 05:17:08,350 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 05:17:08,350 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa2b7015249343fdf8056852ea29542152fe4e2fe5328579e80867d2e6b2b327 [2021-12-18 05:17:08,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 05:17:08,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 05:17:08,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 05:17:08,559 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 05:17:08,560 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 05:17:08,561 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.6/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i [2021-12-18 05:17:08,608 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a330ce231/1620677f7e9f40f684f82cf25de59ece/FLAGbc2b8f79a [2021-12-18 05:17:09,286 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 05:17:09,286 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i [2021-12-18 05:17:09,336 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a330ce231/1620677f7e9f40f684f82cf25de59ece/FLAGbc2b8f79a [2021-12-18 05:17:09,424 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a330ce231/1620677f7e9f40f684f82cf25de59ece [2021-12-18 05:17:09,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 05:17:09,428 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 05:17:09,430 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 05:17:09,430 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 05:17:09,433 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 05:17:09,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 05:17:09" (1/1) ... [2021-12-18 05:17:09,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c51694f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:09, skipping insertion in model container [2021-12-18 05:17:09,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 05:17:09" (1/1) ... [2021-12-18 05:17:09,439 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 05:17:09,534 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 05:17:09,884 WARN L230 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-v0.6/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i[81795,81808] [2021-12-18 05:17:11,260 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 05:17:11,337 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 05:17:11,386 WARN L230 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-v0.6/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i[81795,81808] [2021-12-18 05:17:11,623 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 05:17:11,753 INFO L208 MainTranslator]: Completed translation [2021-12-18 05:17:11,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:11 WrapperNode [2021-12-18 05:17:11,754 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 05:17:11,755 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 05:17:11,755 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 05:17:11,755 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 05:17:11,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:11" (1/1) ... [2021-12-18 05:17:11,879 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:11" (1/1) ... [2021-12-18 05:17:12,104 INFO L137 Inliner]: procedures = 414, calls = 5134, calls flagged for inlining = 149, calls inlined = 134, statements flattened = 10048 [2021-12-18 05:17:12,104 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 05:17:12,105 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 05:17:12,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 05:17:12,105 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 05:17:12,112 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:11" (1/1) ... [2021-12-18 05:17:12,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:11" (1/1) ... [2021-12-18 05:17:12,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:11" (1/1) ... [2021-12-18 05:17:12,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:11" (1/1) ... [2021-12-18 05:17:12,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:11" (1/1) ... [2021-12-18 05:17:12,401 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:11" (1/1) ... [2021-12-18 05:17:12,439 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:11" (1/1) ... [2021-12-18 05:17:12,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 05:17:12,534 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 05:17:12,534 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 05:17:12,534 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 05:17:12,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:11" (1/1) ... [2021-12-18 05:17:12,553 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 05:17:12,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:17:12,593 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-18 05:17:12,634 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 [2021-12-18 05:17:12,657 INFO L130 BoogieDeclarations]: Found specification of procedure timer_open [2021-12-18 05:17:12,657 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_open [2021-12-18 05:17:12,658 INFO L130 BoogieDeclarations]: Found specification of procedure poll_def_tmr [2021-12-18 05:17:12,658 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_def_tmr [2021-12-18 05:17:12,658 INFO L130 BoogieDeclarations]: Found specification of procedure timer_event [2021-12-18 05:17:12,658 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_event [2021-12-18 05:17:12,658 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_channels [2021-12-18 05:17:12,658 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_channels [2021-12-18 05:17:12,658 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-18 05:17:12,658 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-18 05:17:12,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 05:17:12,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 05:17:12,659 INFO L130 BoogieDeclarations]: Found specification of procedure dma_reset_output [2021-12-18 05:17:12,659 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_reset_output [2021-12-18 05:17:12,659 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~TO~int [2021-12-18 05:17:12,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~TO~int [2021-12-18 05:17:12,659 INFO L130 BoogieDeclarations]: Found specification of procedure seq_input_event [2021-12-18 05:17:12,660 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_input_event [2021-12-18 05:17:12,660 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_release [2021-12-18 05:17:12,660 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_release [2021-12-18 05:17:12,660 INFO L130 BoogieDeclarations]: Found specification of procedure local_start_dma [2021-12-18 05:17:12,660 INFO L138 BoogieDeclarations]: Found implementation of procedure local_start_dma [2021-12-18 05:17:12,660 INFO L130 BoogieDeclarations]: Found specification of procedure translate_bytes [2021-12-18 05:17:12,660 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_bytes [2021-12-18 05:17:12,660 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2021-12-18 05:17:12,661 INFO L130 BoogieDeclarations]: Found specification of procedure seq_copy_to_input [2021-12-18 05:17:12,661 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_copy_to_input [2021-12-18 05:17:12,661 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 05:17:12,661 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 05:17:12,661 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_sync [2021-12-18 05:17:12,661 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_sync [2021-12-18 05:17:12,661 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~$Pointer$~TO~int [2021-12-18 05:17:12,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~$Pointer$~TO~int [2021-12-18 05:17:12,661 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_launch_output [2021-12-18 05:17:12,662 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_launch_output [2021-12-18 05:17:12,662 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-18 05:17:12,662 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-18 05:17:12,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_soundcard_mutex [2021-12-18 05:17:12,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_soundcard_mutex [2021-12-18 05:17:12,662 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-18 05:17:12,662 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-18 05:17:12,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 05:17:12,663 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_space_in_queue [2021-12-18 05:17:12,663 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_space_in_queue [2021-12-18 05:17:12,663 INFO L130 BoogieDeclarations]: Found specification of procedure timer_get_time [2021-12-18 05:17:12,663 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_get_time [2021-12-18 05:17:12,663 INFO L130 BoogieDeclarations]: Found specification of procedure enable_dma [2021-12-18 05:17:12,664 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_dma [2021-12-18 05:17:12,664 INFO L130 BoogieDeclarations]: Found specification of procedure timer_ioctl [2021-12-18 05:17:12,664 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_ioctl [2021-12-18 05:17:12,664 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-18 05:17:12,664 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-18 05:17:12,664 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-12-18 05:17:12,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-12-18 05:17:12,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 05:17:12,665 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-18 05:17:12,665 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-18 05:17:12,666 INFO L130 BoogieDeclarations]: Found specification of procedure sound_mixer_ioctl [2021-12-18 05:17:12,666 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_mixer_ioctl [2021-12-18 05:17:12,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 05:17:12,667 INFO L130 BoogieDeclarations]: Found specification of procedure midi_poll [2021-12-18 05:17:12,667 INFO L138 BoogieDeclarations]: Found implementation of procedure midi_poll [2021-12-18 05:17:12,667 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_arm [2021-12-18 05:17:12,667 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_arm [2021-12-18 05:17:12,667 INFO L130 BoogieDeclarations]: Found specification of procedure dma_subdivide [2021-12-18 05:17:12,667 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_subdivide [2021-12-18 05:17:12,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 05:17:12,667 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_activate_recording [2021-12-18 05:17:12,668 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_activate_recording [2021-12-18 05:17:12,668 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-18 05:17:12,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-18 05:17:12,668 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user [2021-12-18 05:17:12,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user [2021-12-18 05:17:12,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 05:17:12,669 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 05:17:12,669 INFO L130 BoogieDeclarations]: Found specification of procedure seq_sync [2021-12-18 05:17:12,669 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_sync [2021-12-18 05:17:12,669 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_bits [2021-12-18 05:17:12,669 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_bits [2021-12-18 05:17:12,669 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_sound_special [2021-12-18 05:17:12,669 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_sound_special [2021-12-18 05:17:12,670 INFO L130 BoogieDeclarations]: Found specification of procedure close_dmap [2021-12-18 05:17:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure close_dmap [2021-12-18 05:17:12,670 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_close [2021-12-18 05:17:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_close [2021-12-18 05:17:12,670 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2021-12-18 05:17:12,670 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-18 05:17:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-18 05:17:12,670 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-18 05:17:12,671 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-18 05:17:12,671 INFO L130 BoogieDeclarations]: Found specification of procedure timer_arm [2021-12-18 05:17:12,671 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_arm [2021-12-18 05:17:12,671 INFO L130 BoogieDeclarations]: Found specification of procedure register_sound_special [2021-12-18 05:17:12,671 INFO L138 BoogieDeclarations]: Found implementation of procedure register_sound_special [2021-12-18 05:17:12,672 INFO L130 BoogieDeclarations]: Found specification of procedure sound_mmap [2021-12-18 05:17:12,672 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_mmap [2021-12-18 05:17:12,672 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2021-12-18 05:17:12,672 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2021-12-18 05:17:12,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 05:17:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure claim_dma_lock [2021-12-18 05:17:12,673 INFO L138 BoogieDeclarations]: Found implementation of procedure claim_dma_lock [2021-12-18 05:17:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure timer_close [2021-12-18 05:17:12,673 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_close [2021-12-18 05:17:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 05:17:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 05:17:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-18 05:17:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure dma_reset_input [2021-12-18 05:17:12,674 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_reset_input [2021-12-18 05:17:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure interruptible_sleep_on_timeout [2021-12-18 05:17:12,674 INFO L138 BoogieDeclarations]: Found implementation of procedure interruptible_sleep_on_timeout [2021-12-18 05:17:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure set_format [2021-12-18 05:17:12,674 INFO L138 BoogieDeclarations]: Found implementation of procedure set_format [2021-12-18 05:17:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_reset [2021-12-18 05:17:12,675 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_reset [2021-12-18 05:17:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2021-12-18 05:17:12,675 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2021-12-18 05:17:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure seq_reset [2021-12-18 05:17:12,676 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_reset [2021-12-18 05:17:12,676 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2021-12-18 05:17:12,678 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2021-12-18 05:17:12,678 INFO L130 BoogieDeclarations]: Found specification of procedure seq_drain_midi_queues [2021-12-18 05:17:12,678 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_drain_midi_queues [2021-12-18 05:17:12,678 INFO L130 BoogieDeclarations]: Found specification of procedure dma_ioctl [2021-12-18 05:17:12,679 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_ioctl [2021-12-18 05:17:12,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_soundcard_mutex [2021-12-18 05:17:12,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_soundcard_mutex [2021-12-18 05:17:12,680 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2021-12-18 05:17:12,680 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2021-12-18 05:17:12,684 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~X~int~TO~int [2021-12-18 05:17:12,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~X~int~TO~int [2021-12-18 05:17:12,684 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~VOID [2021-12-18 05:17:12,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~VOID [2021-12-18 05:17:12,684 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-18 05:17:12,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-18 05:17:12,685 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2021-12-18 05:17:12,685 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2021-12-18 05:17:12,685 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-18 05:17:12,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-18 05:17:12,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 05:17:12,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 05:17:12,685 INFO L130 BoogieDeclarations]: Found specification of procedure seq_startplay [2021-12-18 05:17:12,685 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_startplay [2021-12-18 05:17:12,686 INFO L130 BoogieDeclarations]: Found specification of procedure clear_dma_ff [2021-12-18 05:17:12,686 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_dma_ff [2021-12-18 05:17:12,686 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~TO~VOID [2021-12-18 05:17:12,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~TO~VOID [2021-12-18 05:17:12,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-18 05:17:12,686 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-18 05:17:12,686 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-12-18 05:17:12,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-12-18 05:17:12,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 05:17:12,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 05:17:12,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 05:17:12,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 05:17:12,687 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-18 05:17:12,687 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-18 05:17:12,687 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-18 05:17:12,687 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2021-12-18 05:17:12,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2021-12-18 05:17:12,687 INFO L130 BoogieDeclarations]: Found specification of procedure translate_mode [2021-12-18 05:17:12,687 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_mode [2021-12-18 05:17:12,688 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get___0 [2021-12-18 05:17:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get___0 [2021-12-18 05:17:12,688 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_move_wrpointer [2021-12-18 05:17:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_move_wrpointer [2021-12-18 05:17:12,688 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-18 05:17:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-18 05:17:12,688 INFO L130 BoogieDeclarations]: Found specification of procedure tmr_reset [2021-12-18 05:17:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr_reset [2021-12-18 05:17:12,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-18 05:17:12,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-18 05:17:12,689 INFO L130 BoogieDeclarations]: Found specification of procedure sound_stop_timer [2021-12-18 05:17:12,689 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_stop_timer [2021-12-18 05:17:12,689 INFO L130 BoogieDeclarations]: Found specification of procedure tmr2ticks___0 [2021-12-18 05:17:12,689 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr2ticks___0 [2021-12-18 05:17:12,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 05:17:12,689 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 05:17:12,689 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-18 05:17:12,689 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-18 05:17:12,690 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-18 05:17:12,690 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-18 05:17:12,690 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-18 05:17:12,690 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-18 05:17:12,690 INFO L130 BoogieDeclarations]: Found specification of procedure tmr_reset___0 [2021-12-18 05:17:12,690 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr_reset___0 [2021-12-18 05:17:12,690 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~X~int~TO~VOID [2021-12-18 05:17:12,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~X~int~TO~VOID [2021-12-18 05:17:12,690 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2021-12-18 05:17:12,691 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2021-12-18 05:17:12,691 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2021-12-18 05:17:12,691 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2021-12-18 05:17:12,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 05:17:12,691 INFO L130 BoogieDeclarations]: Found specification of procedure sound_free_dmap [2021-12-18 05:17:12,691 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_free_dmap [2021-12-18 05:17:12,691 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2021-12-18 05:17:12,691 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2021-12-18 05:17:12,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 05:17:12,692 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-18 05:17:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-18 05:17:12,692 INFO L130 BoogieDeclarations]: Found specification of procedure reprogram_timer [2021-12-18 05:17:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure reprogram_timer [2021-12-18 05:17:12,692 INFO L130 BoogieDeclarations]: Found specification of procedure midi_outc___0 [2021-12-18 05:17:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure midi_outc___0 [2021-12-18 05:17:12,692 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-18 05:17:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-18 05:17:12,692 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~int [2021-12-18 05:17:12,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~int [2021-12-18 05:17:12,693 INFO L130 BoogieDeclarations]: Found specification of procedure dmabuf_timeout [2021-12-18 05:17:12,693 INFO L138 BoogieDeclarations]: Found implementation of procedure dmabuf_timeout [2021-12-18 05:17:12,693 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info___0 [2021-12-18 05:17:12,693 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info___0 [2021-12-18 05:17:12,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 05:17:12,694 INFO L130 BoogieDeclarations]: Found specification of procedure module_is_live [2021-12-18 05:17:12,694 INFO L138 BoogieDeclarations]: Found implementation of procedure module_is_live [2021-12-18 05:17:12,694 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-18 05:17:12,694 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-18 05:17:12,694 INFO L130 BoogieDeclarations]: Found specification of procedure sound_start_dma [2021-12-18 05:17:12,694 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_start_dma [2021-12-18 05:17:12,694 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_event [2021-12-18 05:17:12,694 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_event [2021-12-18 05:17:12,694 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-18 05:17:12,694 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-18 05:17:12,695 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-18 05:17:12,695 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-18 05:17:12,695 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_open [2021-12-18 05:17:12,695 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_open [2021-12-18 05:17:12,695 INFO L130 BoogieDeclarations]: Found specification of procedure do_midi_msg [2021-12-18 05:17:12,695 INFO L138 BoogieDeclarations]: Found implementation of procedure do_midi_msg [2021-12-18 05:17:12,695 INFO L130 BoogieDeclarations]: Found specification of procedure interruptible_sleep_on [2021-12-18 05:17:12,695 INFO L138 BoogieDeclarations]: Found implementation of procedure interruptible_sleep_on [2021-12-18 05:17:12,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-18 05:17:12,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-18 05:17:12,696 INFO L130 BoogieDeclarations]: Found specification of procedure waitqueue_active [2021-12-18 05:17:12,696 INFO L138 BoogieDeclarations]: Found implementation of procedure waitqueue_active [2021-12-18 05:17:12,696 INFO L130 BoogieDeclarations]: Found specification of procedure sound_alloc_dmap [2021-12-18 05:17:12,696 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_alloc_dmap [2021-12-18 05:17:12,696 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_fragment [2021-12-18 05:17:12,696 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_fragment [2021-12-18 05:17:12,696 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_get_time [2021-12-18 05:17:12,696 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_get_time [2021-12-18 05:17:12,697 INFO L130 BoogieDeclarations]: Found specification of procedure sequencer_timer [2021-12-18 05:17:12,697 INFO L138 BoogieDeclarations]: Found implementation of procedure sequencer_timer [2021-12-18 05:17:12,697 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_speed [2021-12-18 05:17:12,697 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_speed [2021-12-18 05:17:12,697 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-12-18 05:17:12,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-12-18 05:17:12,700 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_residue [2021-12-18 05:17:12,700 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_residue [2021-12-18 05:17:12,700 INFO L130 BoogieDeclarations]: Found specification of procedure sync_output [2021-12-18 05:17:12,700 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_output [2021-12-18 05:17:12,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 05:17:12,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 05:17:12,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 05:17:12,701 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2021-12-18 05:17:12,701 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2021-12-18 05:17:12,702 INFO L130 BoogieDeclarations]: Found specification of procedure open_dmap [2021-12-18 05:17:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure open_dmap [2021-12-18 05:17:12,702 INFO L130 BoogieDeclarations]: Found specification of procedure release_dma_lock [2021-12-18 05:17:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure release_dma_lock [2021-12-18 05:17:12,702 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2021-12-18 05:17:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2021-12-18 05:17:12,702 INFO L130 BoogieDeclarations]: Found specification of procedure sound_poll [2021-12-18 05:17:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_poll [2021-12-18 05:17:12,702 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-18 05:17:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-18 05:17:12,703 INFO L130 BoogieDeclarations]: Found specification of procedure do_sequencer_timer [2021-12-18 05:17:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure do_sequencer_timer [2021-12-18 05:17:12,703 INFO L130 BoogieDeclarations]: Found specification of procedure disable_dma [2021-12-18 05:17:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_dma [2021-12-18 05:17:12,703 INFO L130 BoogieDeclarations]: Found specification of procedure tmr2ticks [2021-12-18 05:17:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr2ticks [2021-12-18 05:17:12,703 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-12-18 05:17:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-12-18 05:17:12,704 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-18 05:17:12,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-18 05:17:12,704 INFO L130 BoogieDeclarations]: Found specification of procedure request_sound_timer [2021-12-18 05:17:12,704 INFO L138 BoogieDeclarations]: Found implementation of procedure request_sound_timer [2021-12-18 05:17:12,704 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_get_buffer_pointer [2021-12-18 05:17:12,704 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_get_buffer_pointer [2021-12-18 05:17:12,704 INFO L130 BoogieDeclarations]: Found specification of procedure sound_write [2021-12-18 05:17:12,704 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_write [2021-12-18 05:17:12,704 INFO L130 BoogieDeclarations]: Found specification of procedure play_event [2021-12-18 05:17:12,705 INFO L138 BoogieDeclarations]: Found implementation of procedure play_event [2021-12-18 05:17:12,705 INFO L130 BoogieDeclarations]: Found specification of procedure reorganize_buffers [2021-12-18 05:17:12,705 INFO L138 BoogieDeclarations]: Found implementation of procedure reorganize_buffers [2021-12-18 05:17:12,705 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-18 05:17:12,705 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-18 05:17:12,705 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-18 05:17:12,705 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-18 05:17:12,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 05:17:12,705 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_ioctl [2021-12-18 05:17:12,705 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_ioctl [2021-12-18 05:17:13,609 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 05:17:13,614 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 05:17:14,019 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 05:17:14,072 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3836: assume 0 != ~tmp___1~3;#res := ~ret~3; [2021-12-18 05:17:14,072 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3836: assume !(0 != ~tmp___1~3);#res := ~ret~3; [2021-12-18 05:17:14,072 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3803: havoc #t~switch115; [2021-12-18 05:17:14,072 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3832: assume #t~switch115; [2021-12-18 05:17:14,072 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3832: assume !#t~switch115;#t~switch115 := true; [2021-12-18 05:17:14,072 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3824: assume 0 != ~tmp___0~8;#res := ~ret~3; [2021-12-18 05:17:14,072 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3824: assume !(0 != ~tmp___0~8);#res := ~ret~3; [2021-12-18 05:17:14,073 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3820: assume #t~switch115; [2021-12-18 05:17:14,073 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3820: assume !#t~switch115;#t~switch115 := #t~switch115 || 16 == ~size; [2021-12-18 05:17:14,073 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3816: assume #t~switch115;#res := ~ret~3; [2021-12-18 05:17:14,073 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3816: assume !#t~switch115;#t~switch115 := #t~switch115 || 10 == ~size; [2021-12-18 05:17:14,073 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume #t~switch115;#res := ~ret~3; [2021-12-18 05:17:14,073 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3812: assume #t~switch115;#res := ~ret~3; [2021-12-18 05:17:14,073 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3812: assume !#t~switch115;#t~switch115 := #t~switch115 || 8 == ~size; [2021-12-18 05:17:14,073 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3845-1: ~tmp___2~2 := #t~ret118;havoc #t~ret118;#res := (if ~tmp___2~2 % 18446744073709551616 % 4294967296 <= 2147483647 then ~tmp___2~2 % 18446744073709551616 % 4294967296 else ~tmp___2~2 % 18446744073709551616 % 4294967296 - 4294967296); [2021-12-18 05:17:14,073 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3845: SUMMARY for call #t~ret118 := copy_user_generic(~dst.base, ~dst.offset, ~src.base, ~src.offset, ~size); srcloc: null [2021-12-18 05:17:14,074 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !#t~switch115;#t~switch115 := #t~switch115 || 2 == ~size; [2021-12-18 05:17:14,074 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3808: assume #t~switch115;#res := ~ret~3; [2021-12-18 05:17:14,074 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3808: assume !#t~switch115;#t~switch115 := #t~switch115 || 4 == ~size; [2021-12-18 05:17:14,074 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3835-1: assume -9223372036854775808 <= #t~ret117 && #t~ret117 <= 9223372036854775807;~tmp___1~3 := #t~ret117;havoc #t~ret117; [2021-12-18 05:17:14,074 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3835: SUMMARY for call #t~ret117 := ldv__builtin_expect((if 0 != ~ret~3 then 1 else 0), 0); srcloc: null [2021-12-18 05:17:14,074 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3823-1: assume -9223372036854775808 <= #t~ret116 && #t~ret116 <= 9223372036854775807;~tmp___0~8 := #t~ret116;havoc #t~ret116; [2021-12-18 05:17:14,074 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3823: SUMMARY for call #t~ret116 := ldv__builtin_expect((if 0 != ~ret~3 then 1 else 0), 0); srcloc: null [2021-12-18 05:17:14,074 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3844: assume #t~switch115; [2021-12-18 05:17:14,074 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3844: assume !#t~switch115; [2021-12-18 05:17:21,970 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3738: havoc __copy_from_user_#t~switch110#1; [2021-12-18 05:17:21,971 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3744: assume __copy_from_user_#t~switch110#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-12-18 05:17:21,971 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3744: assume !__copy_from_user_#t~switch110#1;__copy_from_user_#t~switch110#1 := __copy_from_user_#t~switch110#1 || 4 == __copy_from_user_~size#1; [2021-12-18 05:17:21,971 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3749: assume __copy_from_user_#t~switch110#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-12-18 05:17:21,971 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3749: assume !__copy_from_user_#t~switch110#1;__copy_from_user_#t~switch110#1 := __copy_from_user_#t~switch110#1 || 8 == __copy_from_user_~size#1; [2021-12-18 05:17:21,971 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3754: assume __copy_from_user_#t~switch110#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-12-18 05:17:21,971 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3754: assume !__copy_from_user_#t~switch110#1;__copy_from_user_#t~switch110#1 := __copy_from_user_#t~switch110#1 || 10 == __copy_from_user_~size#1; [2021-12-18 05:17:21,971 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3759: assume __copy_from_user_#t~switch110#1; [2021-12-18 05:17:21,971 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3759: assume !__copy_from_user_#t~switch110#1;__copy_from_user_#t~switch110#1 := __copy_from_user_#t~switch110#1 || 16 == __copy_from_user_~size#1; [2021-12-18 05:17:21,971 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3763-1: assume -9223372036854775808 <= __copy_from_user_#t~ret111#1 && __copy_from_user_#t~ret111#1 <= 9223372036854775807;__copy_from_user_~tmp___0~7#1 := __copy_from_user_#t~ret111#1;havoc __copy_from_user_#t~ret111#1; [2021-12-18 05:17:21,971 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3763: SUMMARY for call __copy_from_user_#t~ret111#1 := ldv__builtin_expect((if 0 != __copy_from_user_~ret~2#1 then 1 else 0), 0); srcloc: null [2021-12-18 05:17:21,971 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3764: assume 0 != __copy_from_user_~tmp___0~7#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-12-18 05:17:21,971 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3764: assume !(0 != __copy_from_user_~tmp___0~7#1);__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-12-18 05:17:21,971 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3772: assume __copy_from_user_#t~switch110#1; [2021-12-18 05:17:21,971 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3772: assume !__copy_from_user_#t~switch110#1;__copy_from_user_#t~switch110#1 := true; [2021-12-18 05:17:21,971 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3776: SUMMARY for call __copy_from_user_#t~ret112#1 := ldv__builtin_expect((if 0 != __copy_from_user_~ret~2#1 then 1 else 0), 0); srcloc: null [2021-12-18 05:17:21,971 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3776-1: assume -9223372036854775808 <= __copy_from_user_#t~ret112#1 && __copy_from_user_#t~ret112#1 <= 9223372036854775807;__copy_from_user_~tmp___1~2#1 := __copy_from_user_#t~ret112#1;havoc __copy_from_user_#t~ret112#1; [2021-12-18 05:17:21,972 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3777: assume 0 != __copy_from_user_~tmp___1~2#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-12-18 05:17:21,972 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3777: assume !(0 != __copy_from_user_~tmp___1~2#1);__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-12-18 05:17:21,972 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3785: assume __copy_from_user_#t~switch110#1; [2021-12-18 05:17:21,972 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3785: assume !__copy_from_user_#t~switch110#1; [2021-12-18 05:17:21,972 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3786: SUMMARY for call __copy_from_user_#t~ret113#1 := copy_user_generic(__copy_from_user_~dst#1.base, __copy_from_user_~dst#1.offset, __copy_from_user_~src#1.base, __copy_from_user_~src#1.offset, __copy_from_user_~size#1); srcloc: null [2021-12-18 05:17:21,972 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3786-1: __copy_from_user_~tmp___2~1#1 := __copy_from_user_#t~ret113#1;havoc __copy_from_user_#t~ret113#1;__copy_from_user_#res#1 := (if __copy_from_user_~tmp___2~1#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_~tmp___2~1#1 % 18446744073709551616 % 4294967296 else __copy_from_user_~tmp___2~1#1 % 18446744073709551616 % 4294967296 - 4294967296); [2021-12-18 05:17:21,972 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##704: assume !__copy_from_user_#t~switch110#1;__copy_from_user_#t~switch110#1 := __copy_from_user_#t~switch110#1 || 2 == __copy_from_user_~size#1; [2021-12-18 05:17:21,972 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##703: assume __copy_from_user_#t~switch110#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-12-18 05:17:22,035 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 05:17:22,054 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 05:17:22,054 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-18 05:17:22,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 05:17:22 BoogieIcfgContainer [2021-12-18 05:17:22,059 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 05:17:22,060 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 05:17:22,060 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 05:17:22,063 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 05:17:22,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 05:17:09" (1/3) ... [2021-12-18 05:17:22,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ea4d13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 05:17:22, skipping insertion in model container [2021-12-18 05:17:22,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:11" (2/3) ... [2021-12-18 05:17:22,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ea4d13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 05:17:22, skipping insertion in model container [2021-12-18 05:17:22,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 05:17:22" (3/3) ... [2021-12-18 05:17:22,065 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i [2021-12-18 05:17:22,068 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 05:17:22,068 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 05:17:22,105 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 05:17:22,110 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 05:17:22,110 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 05:17:22,160 INFO L276 IsEmpty]: Start isEmpty. Operand has 3787 states, 2893 states have (on average 1.5074317317663326) internal successors, (4361), 2997 states have internal predecessors, (4361), 757 states have call successors, (757), 136 states have call predecessors, (757), 135 states have return successors, (749), 721 states have call predecessors, (749), 749 states have call successors, (749) [2021-12-18 05:17:22,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-12-18 05:17:22,165 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:17:22,166 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-18 05:17:22,166 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:17:22,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:17:22,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1066878759, now seen corresponding path program 1 times [2021-12-18 05:17:22,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:17:22,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501603692] [2021-12-18 05:17:22,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:17:22,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:17:22,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:22,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:17:22,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:22,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 05:17:22,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:22,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 05:17:22,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:22,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 05:17:22,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:22,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 05:17:22,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:22,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 05:17:22,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:22,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 05:17:22,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:22,696 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-12-18 05:17:22,696 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:17:22,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501603692] [2021-12-18 05:17:22,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501603692] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:17:22,698 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:17:22,698 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 05:17:22,699 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252115195] [2021-12-18 05:17:22,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:17:22,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 05:17:22,703 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:17:22,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 05:17:22,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 05:17:22,734 INFO L87 Difference]: Start difference. First operand has 3787 states, 2893 states have (on average 1.5074317317663326) internal successors, (4361), 2997 states have internal predecessors, (4361), 757 states have call successors, (757), 136 states have call predecessors, (757), 135 states have return successors, (749), 721 states have call predecessors, (749), 749 states have call successors, (749) Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-18 05:17:30,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:17:30,176 INFO L93 Difference]: Finished difference Result 9183 states and 14360 transitions. [2021-12-18 05:17:30,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 05:17:30,178 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 57 [2021-12-18 05:17:30,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:17:30,236 INFO L225 Difference]: With dead ends: 9183 [2021-12-18 05:17:30,236 INFO L226 Difference]: Without dead ends: 5374 [2021-12-18 05:17:30,262 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 05:17:30,265 INFO L933 BasicCegarLoop]: 5662 mSDtfsCounter, 3984 mSDsluCounter, 7291 mSDsCounter, 0 mSdLazyCounter, 3127 mSolverCounterSat, 1369 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4286 SdHoareTripleChecker+Valid, 12953 SdHoareTripleChecker+Invalid, 4496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1369 IncrementalHoareTripleChecker+Valid, 3127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2021-12-18 05:17:30,266 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4286 Valid, 12953 Invalid, 4496 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1369 Valid, 3127 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2021-12-18 05:17:30,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5374 states. [2021-12-18 05:17:30,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5374 to 4841. [2021-12-18 05:17:30,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4841 states, 3713 states have (on average 1.5025585779692971) internal successors, (5579), 3844 states have internal predecessors, (5579), 935 states have call successors, (935), 193 states have call predecessors, (935), 192 states have return successors, (931), 887 states have call predecessors, (931), 931 states have call successors, (931) [2021-12-18 05:17:30,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4841 states to 4841 states and 7445 transitions. [2021-12-18 05:17:30,614 INFO L78 Accepts]: Start accepts. Automaton has 4841 states and 7445 transitions. Word has length 57 [2021-12-18 05:17:30,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:17:30,615 INFO L470 AbstractCegarLoop]: Abstraction has 4841 states and 7445 transitions. [2021-12-18 05:17:30,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-18 05:17:30,616 INFO L276 IsEmpty]: Start isEmpty. Operand 4841 states and 7445 transitions. [2021-12-18 05:17:30,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-12-18 05:17:30,623 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:17:30,623 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-18 05:17:30,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 05:17:30,624 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:17:30,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:17:30,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1168157038, now seen corresponding path program 1 times [2021-12-18 05:17:30,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:17:30,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623195319] [2021-12-18 05:17:30,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:17:30,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:17:30,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:30,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:17:30,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:30,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 05:17:30,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:30,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 05:17:30,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:30,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 05:17:30,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:30,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 05:17:30,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:30,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 05:17:30,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:30,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 05:17:30,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:30,935 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-12-18 05:17:30,936 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:17:30,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623195319] [2021-12-18 05:17:30,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623195319] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:17:30,937 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:17:30,937 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 05:17:30,937 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845536804] [2021-12-18 05:17:30,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:17:30,938 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 05:17:30,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:17:30,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 05:17:30,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 05:17:30,939 INFO L87 Difference]: Start difference. First operand 4841 states and 7445 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-18 05:17:38,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:17:38,079 INFO L93 Difference]: Finished difference Result 10192 states and 15811 transitions. [2021-12-18 05:17:38,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-18 05:17:38,080 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 65 [2021-12-18 05:17:38,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:17:38,102 INFO L225 Difference]: With dead ends: 10192 [2021-12-18 05:17:38,103 INFO L226 Difference]: Without dead ends: 5366 [2021-12-18 05:17:38,118 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 05:17:38,120 INFO L933 BasicCegarLoop]: 5492 mSDtfsCounter, 6976 mSDsluCounter, 2404 mSDsCounter, 0 mSdLazyCounter, 1774 mSolverCounterSat, 1595 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7457 SdHoareTripleChecker+Valid, 7896 SdHoareTripleChecker+Invalid, 3369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1595 IncrementalHoareTripleChecker+Valid, 1774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2021-12-18 05:17:38,121 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7457 Valid, 7896 Invalid, 3369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1595 Valid, 1774 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2021-12-18 05:17:38,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5366 states. [2021-12-18 05:17:38,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5366 to 4841. [2021-12-18 05:17:38,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4841 states, 3713 states have (on average 1.5020199299757608) internal successors, (5577), 3844 states have internal predecessors, (5577), 935 states have call successors, (935), 193 states have call predecessors, (935), 192 states have return successors, (931), 887 states have call predecessors, (931), 931 states have call successors, (931) [2021-12-18 05:17:38,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4841 states to 4841 states and 7443 transitions. [2021-12-18 05:17:38,254 INFO L78 Accepts]: Start accepts. Automaton has 4841 states and 7443 transitions. Word has length 65 [2021-12-18 05:17:38,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:17:38,255 INFO L470 AbstractCegarLoop]: Abstraction has 4841 states and 7443 transitions. [2021-12-18 05:17:38,255 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-18 05:17:38,255 INFO L276 IsEmpty]: Start isEmpty. Operand 4841 states and 7443 transitions. [2021-12-18 05:17:38,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-12-18 05:17:38,256 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:17:38,257 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-18 05:17:38,257 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 05:17:38,257 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:17:38,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:17:38,258 INFO L85 PathProgramCache]: Analyzing trace with hash -420190864, now seen corresponding path program 1 times [2021-12-18 05:17:38,258 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:17:38,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768720121] [2021-12-18 05:17:38,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:17:38,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:17:38,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:38,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:17:38,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:38,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 05:17:38,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:38,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 05:17:38,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:38,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 05:17:38,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:38,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 05:17:38,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:38,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 05:17:38,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:38,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 05:17:38,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:38,541 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-12-18 05:17:38,542 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:17:38,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768720121] [2021-12-18 05:17:38,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768720121] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:17:38,542 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:17:38,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 05:17:38,542 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140040845] [2021-12-18 05:17:38,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:17:38,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 05:17:38,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:17:38,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 05:17:38,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 05:17:38,544 INFO L87 Difference]: Start difference. First operand 4841 states and 7443 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-18 05:17:44,680 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:17:46,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:17:46,082 INFO L93 Difference]: Finished difference Result 5381 states and 8398 transitions. [2021-12-18 05:17:46,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 05:17:46,083 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 65 [2021-12-18 05:17:46,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:17:46,102 INFO L225 Difference]: With dead ends: 5381 [2021-12-18 05:17:46,102 INFO L226 Difference]: Without dead ends: 5378 [2021-12-18 05:17:46,104 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 05:17:46,104 INFO L933 BasicCegarLoop]: 5504 mSDtfsCounter, 6953 mSDsluCounter, 2428 mSDsCounter, 0 mSdLazyCounter, 1782 mSolverCounterSat, 1591 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7436 SdHoareTripleChecker+Valid, 7932 SdHoareTripleChecker+Invalid, 3374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1591 IncrementalHoareTripleChecker+Valid, 1782 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2021-12-18 05:17:46,105 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7436 Valid, 7932 Invalid, 3374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1591 Valid, 1782 Invalid, 1 Unknown, 0 Unchecked, 7.3s Time] [2021-12-18 05:17:46,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5378 states. [2021-12-18 05:17:46,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5378 to 4851. [2021-12-18 05:17:46,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4851 states, 3721 states have (on average 1.500940607363612) internal successors, (5585), 3851 states have internal predecessors, (5585), 935 states have call successors, (935), 195 states have call predecessors, (935), 194 states have return successors, (932), 888 states have call predecessors, (932), 932 states have call successors, (932) [2021-12-18 05:17:46,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4851 states to 4851 states and 7452 transitions. [2021-12-18 05:17:46,241 INFO L78 Accepts]: Start accepts. Automaton has 4851 states and 7452 transitions. Word has length 65 [2021-12-18 05:17:46,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:17:46,243 INFO L470 AbstractCegarLoop]: Abstraction has 4851 states and 7452 transitions. [2021-12-18 05:17:46,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-18 05:17:46,244 INFO L276 IsEmpty]: Start isEmpty. Operand 4851 states and 7452 transitions. [2021-12-18 05:17:46,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-12-18 05:17:46,245 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:17:46,245 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-18 05:17:46,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 05:17:46,246 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:17:46,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:17:46,246 INFO L85 PathProgramCache]: Analyzing trace with hash -142231472, now seen corresponding path program 1 times [2021-12-18 05:17:46,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:17:46,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400073354] [2021-12-18 05:17:46,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:17:46,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:17:46,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:46,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:17:46,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:46,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 05:17:46,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:46,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 05:17:46,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:46,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 05:17:46,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:46,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 05:17:46,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:46,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 05:17:46,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:46,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 05:17:46,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:46,452 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-12-18 05:17:46,452 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:17:46,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400073354] [2021-12-18 05:17:46,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400073354] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:17:46,453 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:17:46,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 05:17:46,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36497994] [2021-12-18 05:17:46,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:17:46,453 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 05:17:46,454 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:17:46,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 05:17:46,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 05:17:46,454 INFO L87 Difference]: Start difference. First operand 4851 states and 7452 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-18 05:17:54,357 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:17:56,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:17:56,392 INFO L93 Difference]: Finished difference Result 8450 states and 13058 transitions. [2021-12-18 05:17:56,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 05:17:56,393 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 66 [2021-12-18 05:17:56,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:17:56,439 INFO L225 Difference]: With dead ends: 8450 [2021-12-18 05:17:56,439 INFO L226 Difference]: Without dead ends: 8362 [2021-12-18 05:17:56,445 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 05:17:56,445 INFO L933 BasicCegarLoop]: 6111 mSDtfsCounter, 4725 mSDsluCounter, 7366 mSDsCounter, 0 mSdLazyCounter, 3334 mSolverCounterSat, 1642 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5077 SdHoareTripleChecker+Valid, 13477 SdHoareTripleChecker+Invalid, 4977 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1642 IncrementalHoareTripleChecker+Valid, 3334 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2021-12-18 05:17:56,446 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5077 Valid, 13477 Invalid, 4977 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1642 Valid, 3334 Invalid, 1 Unknown, 0 Unchecked, 9.6s Time] [2021-12-18 05:17:56,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8362 states. [2021-12-18 05:17:56,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8362 to 7445. [2021-12-18 05:17:56,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7445 states, 5691 states have (on average 1.4958706729924443) internal successors, (8513), 5921 states have internal predecessors, (8513), 1423 states have call successors, (1423), 333 states have call predecessors, (1423), 330 states have return successors, (1422), 1324 states have call predecessors, (1422), 1420 states have call successors, (1422) [2021-12-18 05:17:56,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7445 states to 7445 states and 11358 transitions. [2021-12-18 05:17:56,654 INFO L78 Accepts]: Start accepts. Automaton has 7445 states and 11358 transitions. Word has length 66 [2021-12-18 05:17:56,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:17:56,656 INFO L470 AbstractCegarLoop]: Abstraction has 7445 states and 11358 transitions. [2021-12-18 05:17:56,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-18 05:17:56,656 INFO L276 IsEmpty]: Start isEmpty. Operand 7445 states and 11358 transitions. [2021-12-18 05:17:56,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-12-18 05:17:56,662 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:17:56,663 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 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] [2021-12-18 05:17:56,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 05:17:56,663 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:17:56,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:17:56,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1797917777, now seen corresponding path program 1 times [2021-12-18 05:17:56,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:17:56,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109562620] [2021-12-18 05:17:56,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:17:56,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:17:56,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:56,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:17:56,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:56,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 05:17:56,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:56,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 05:17:56,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:56,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 05:17:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:56,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 05:17:56,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:56,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 05:17:56,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:56,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 05:17:56,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:56,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 05:17:56,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:56,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 05:17:56,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:56,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 05:17:56,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:56,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 05:17:56,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:56,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 05:17:56,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:56,980 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-12-18 05:17:56,980 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:17:56,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109562620] [2021-12-18 05:17:56,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109562620] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:17:56,980 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:17:56,981 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 05:17:56,981 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283047921] [2021-12-18 05:17:56,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:17:56,982 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 05:17:56,982 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:17:56,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 05:17:56,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-18 05:17:56,983 INFO L87 Difference]: Start difference. First operand 7445 states and 11358 transitions. Second operand has 8 states, 8 states have (on average 7.75) internal successors, (62), 6 states have internal predecessors, (62), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-18 05:18:11,380 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:18:12,520 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:18:14,955 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:18:16,987 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:18:20,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:18:20,800 INFO L93 Difference]: Finished difference Result 15805 states and 24296 transitions. [2021-12-18 05:18:20,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 05:18:20,800 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 6 states have internal predecessors, (62), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 110 [2021-12-18 05:18:20,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:18:20,854 INFO L225 Difference]: With dead ends: 15805 [2021-12-18 05:18:20,854 INFO L226 Difference]: Without dead ends: 8368 [2021-12-18 05:18:20,886 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2021-12-18 05:18:20,887 INFO L933 BasicCegarLoop]: 5267 mSDtfsCounter, 4236 mSDsluCounter, 15956 mSDsCounter, 0 mSdLazyCounter, 14768 mSolverCounterSat, 2164 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4526 SdHoareTripleChecker+Valid, 21223 SdHoareTripleChecker+Invalid, 16934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2164 IncrementalHoareTripleChecker+Valid, 14768 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.3s IncrementalHoareTripleChecker+Time [2021-12-18 05:18:20,889 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4526 Valid, 21223 Invalid, 16934 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2164 Valid, 14768 Invalid, 2 Unknown, 0 Unchecked, 23.3s Time] [2021-12-18 05:18:20,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8368 states. [2021-12-18 05:18:21,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8368 to 7440. [2021-12-18 05:18:21,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7440 states, 5689 states have (on average 1.4953418878537528) internal successors, (8507), 5918 states have internal predecessors, (8507), 1421 states have call successors, (1421), 331 states have call predecessors, (1421), 329 states have return successors, (1422), 1321 states have call predecessors, (1422), 1418 states have call successors, (1422) [2021-12-18 05:18:21,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7440 states to 7440 states and 11350 transitions. [2021-12-18 05:18:21,243 INFO L78 Accepts]: Start accepts. Automaton has 7440 states and 11350 transitions. Word has length 110 [2021-12-18 05:18:21,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:18:21,244 INFO L470 AbstractCegarLoop]: Abstraction has 7440 states and 11350 transitions. [2021-12-18 05:18:21,244 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 6 states have internal predecessors, (62), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-18 05:18:21,244 INFO L276 IsEmpty]: Start isEmpty. Operand 7440 states and 11350 transitions. [2021-12-18 05:18:21,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-12-18 05:18:21,254 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:18:21,254 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 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] [2021-12-18 05:18:21,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 05:18:21,254 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:18:21,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:18:21,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1200842010, now seen corresponding path program 1 times [2021-12-18 05:18:21,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:18:21,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904855631] [2021-12-18 05:18:21,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:18:21,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:18:21,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:18:21,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:18:21,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:18:21,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 05:18:21,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:18:21,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 05:18:21,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:18:21,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 05:18:21,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:18:21,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 05:18:21,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:18:21,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 05:18:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:18:21,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 05:18:21,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:18:21,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 05:18:21,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:18:21,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 05:18:21,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:18:21,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 05:18:21,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:18:21,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 05:18:21,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:18:21,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 05:18:21,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:18:21,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-18 05:18:21,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:18:21,530 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2021-12-18 05:18:21,530 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:18:21,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904855631] [2021-12-18 05:18:21,531 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904855631] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:18:21,531 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:18:21,531 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 05:18:21,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499425026] [2021-12-18 05:18:21,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:18:21,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 05:18:21,532 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:18:21,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 05:18:21,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 05:18:21,532 INFO L87 Difference]: Start difference. First operand 7440 states and 11350 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-18 05:18:34,894 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:18:37,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:18:37,757 INFO L93 Difference]: Finished difference Result 15914 states and 24498 transitions. [2021-12-18 05:18:37,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 05:18:37,758 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 116 [2021-12-18 05:18:37,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:18:37,786 INFO L225 Difference]: With dead ends: 15914 [2021-12-18 05:18:37,787 INFO L226 Difference]: Without dead ends: 8500 [2021-12-18 05:18:37,807 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-18 05:18:37,809 INFO L933 BasicCegarLoop]: 5508 mSDtfsCounter, 7578 mSDsluCounter, 6644 mSDsCounter, 0 mSdLazyCounter, 9027 mSolverCounterSat, 2818 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7867 SdHoareTripleChecker+Valid, 12152 SdHoareTripleChecker+Invalid, 11845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2818 IncrementalHoareTripleChecker+Valid, 9027 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2021-12-18 05:18:37,809 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7867 Valid, 12152 Invalid, 11845 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2818 Valid, 9027 Invalid, 0 Unknown, 0 Unchecked, 15.7s Time] [2021-12-18 05:18:37,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8500 states. [2021-12-18 05:18:37,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8500 to 7440. [2021-12-18 05:18:37,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7440 states, 5689 states have (on average 1.4946387765863949) internal successors, (8503), 5918 states have internal predecessors, (8503), 1421 states have call successors, (1421), 331 states have call predecessors, (1421), 329 states have return successors, (1422), 1321 states have call predecessors, (1422), 1418 states have call successors, (1422) [2021-12-18 05:18:38,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7440 states to 7440 states and 11346 transitions. [2021-12-18 05:18:38,023 INFO L78 Accepts]: Start accepts. Automaton has 7440 states and 11346 transitions. Word has length 116 [2021-12-18 05:18:38,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:18:38,023 INFO L470 AbstractCegarLoop]: Abstraction has 7440 states and 11346 transitions. [2021-12-18 05:18:38,023 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-18 05:18:38,023 INFO L276 IsEmpty]: Start isEmpty. Operand 7440 states and 11346 transitions. [2021-12-18 05:18:38,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-12-18 05:18:38,028 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:18:38,029 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 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] [2021-12-18 05:18:38,029 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 05:18:38,029 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:18:38,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:18:38,029 INFO L85 PathProgramCache]: Analyzing trace with hash -377122279, now seen corresponding path program 1 times [2021-12-18 05:18:38,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:18:38,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693908113] [2021-12-18 05:18:38,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:18:38,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:18:38,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:18:38,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:18:38,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:18:38,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 05:18:38,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:18:38,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 05:18:38,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:18:38,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 05:18:38,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:18:38,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 05:18:38,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:18:38,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 05:18:38,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:18:38,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 05:18:38,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:18:38,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 05:18:38,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:18:38,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 05:18:38,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:18:38,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 05:18:38,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:18:38,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 05:18:38,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:18:38,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-18 05:18:38,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:18:38,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-18 05:18:38,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:18:38,254 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2021-12-18 05:18:38,254 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:18:38,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693908113] [2021-12-18 05:18:38,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693908113] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:18:38,254 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:18:38,255 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 05:18:38,255 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271947153] [2021-12-18 05:18:38,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:18:38,255 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 05:18:38,255 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:18:38,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 05:18:38,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 05:18:38,256 INFO L87 Difference]: Start difference. First operand 7440 states and 11346 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-18 05:18:46,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:18:46,509 INFO L93 Difference]: Finished difference Result 15771 states and 24242 transitions. [2021-12-18 05:18:46,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 05:18:46,510 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 118 [2021-12-18 05:18:46,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:18:46,544 INFO L225 Difference]: With dead ends: 15771 [2021-12-18 05:18:46,544 INFO L226 Difference]: Without dead ends: 8357 [2021-12-18 05:18:46,564 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 05:18:46,565 INFO L933 BasicCegarLoop]: 5273 mSDtfsCounter, 9076 mSDsluCounter, 3646 mSDsCounter, 0 mSdLazyCounter, 3111 mSolverCounterSat, 3549 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9473 SdHoareTripleChecker+Valid, 8919 SdHoareTripleChecker+Invalid, 6660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3549 IncrementalHoareTripleChecker+Valid, 3111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2021-12-18 05:18:46,565 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9473 Valid, 8919 Invalid, 6660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3549 Valid, 3111 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2021-12-18 05:18:46,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8357 states. [2021-12-18 05:18:46,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8357 to 7440. [2021-12-18 05:18:46,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7440 states, 5689 states have (on average 1.4939356653190368) internal successors, (8499), 5918 states have internal predecessors, (8499), 1421 states have call successors, (1421), 331 states have call predecessors, (1421), 329 states have return successors, (1422), 1321 states have call predecessors, (1422), 1418 states have call successors, (1422) [2021-12-18 05:18:46,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7440 states to 7440 states and 11342 transitions. [2021-12-18 05:18:46,804 INFO L78 Accepts]: Start accepts. Automaton has 7440 states and 11342 transitions. Word has length 118 [2021-12-18 05:18:46,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:18:46,805 INFO L470 AbstractCegarLoop]: Abstraction has 7440 states and 11342 transitions. [2021-12-18 05:18:46,805 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-18 05:18:46,805 INFO L276 IsEmpty]: Start isEmpty. Operand 7440 states and 11342 transitions. [2021-12-18 05:18:46,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-12-18 05:18:46,811 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:18:46,811 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 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] [2021-12-18 05:18:46,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 05:18:46,811 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:18:46,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:18:46,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1512299497, now seen corresponding path program 1 times [2021-12-18 05:18:46,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:18:46,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339672712] [2021-12-18 05:18:46,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:18:46,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:18:46,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:18:46,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:18:46,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:18:46,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 05:18:46,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:18:46,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 05:18:46,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:18:46,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 05:18:47,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:18:47,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 05:18:47,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:18:47,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 05:18:47,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:18:47,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 05:18:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:18:47,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 05:18:47,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:18:47,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 05:18:47,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:18:47,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 05:18:47,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:18:47,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 05:18:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:18:47,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-18 05:18:47,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:18:47,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-18 05:18:47,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:18:47,067 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2021-12-18 05:18:47,067 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:18:47,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339672712] [2021-12-18 05:18:47,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339672712] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:18:47,068 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:18:47,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 05:18:47,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954845530] [2021-12-18 05:18:47,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:18:47,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 05:18:47,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:18:47,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 05:18:47,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 05:18:47,069 INFO L87 Difference]: Start difference. First operand 7440 states and 11342 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2021-12-18 05:18:59,308 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:19:01,868 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 05:19:04,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:19:04,991 INFO L93 Difference]: Finished difference Result 19878 states and 30453 transitions. [2021-12-18 05:19:04,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 05:19:04,992 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 119 [2021-12-18 05:19:04,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:19:05,034 INFO L225 Difference]: With dead ends: 19878 [2021-12-18 05:19:05,034 INFO L226 Difference]: Without dead ends: 12464 [2021-12-18 05:19:05,048 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-18 05:19:05,049 INFO L933 BasicCegarLoop]: 6500 mSDtfsCounter, 9117 mSDsluCounter, 6550 mSDsCounter, 0 mSdLazyCounter, 7011 mSolverCounterSat, 4341 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9599 SdHoareTripleChecker+Valid, 13050 SdHoareTripleChecker+Invalid, 11354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4341 IncrementalHoareTripleChecker+Valid, 7011 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2021-12-18 05:19:05,049 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9599 Valid, 13050 Invalid, 11354 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4341 Valid, 7011 Invalid, 2 Unknown, 0 Unchecked, 17.3s Time] [2021-12-18 05:19:05,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12464 states. [2021-12-18 05:19:05,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12464 to 10970. [2021-12-18 05:19:05,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10970 states, 8324 states have (on average 1.4817395482940894) internal successors, (12334), 8679 states have internal predecessors, (12334), 2130 states have call successors, (2130), 518 states have call predecessors, (2130), 515 states have return successors, (2131), 1971 states have call predecessors, (2131), 2127 states have call successors, (2131) [2021-12-18 05:19:05,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10970 states to 10970 states and 16595 transitions. [2021-12-18 05:19:05,352 INFO L78 Accepts]: Start accepts. Automaton has 10970 states and 16595 transitions. Word has length 119 [2021-12-18 05:19:05,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:19:05,352 INFO L470 AbstractCegarLoop]: Abstraction has 10970 states and 16595 transitions. [2021-12-18 05:19:05,353 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2021-12-18 05:19:05,353 INFO L276 IsEmpty]: Start isEmpty. Operand 10970 states and 16595 transitions. [2021-12-18 05:19:05,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-12-18 05:19:05,360 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:19:05,360 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 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] [2021-12-18 05:19:05,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-18 05:19:05,360 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:19:05,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:19:05,361 INFO L85 PathProgramCache]: Analyzing trace with hash 66778395, now seen corresponding path program 1 times [2021-12-18 05:19:05,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:19:05,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213865452] [2021-12-18 05:19:05,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:19:05,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:19:05,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:05,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:19:05,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:05,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 05:19:05,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:05,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 05:19:05,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:05,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 05:19:05,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:05,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 05:19:05,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:05,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 05:19:05,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:05,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 05:19:05,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:05,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 05:19:05,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:05,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 05:19:05,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:05,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 05:19:05,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:05,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 05:19:05,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:05,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-18 05:19:05,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:05,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-18 05:19:05,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:05,599 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-12-18 05:19:05,599 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:19:05,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213865452] [2021-12-18 05:19:05,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213865452] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:19:05,600 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:19:05,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 05:19:05,600 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904761553] [2021-12-18 05:19:05,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:19:05,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 05:19:05,601 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:19:05,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 05:19:05,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 05:19:05,601 INFO L87 Difference]: Start difference. First operand 10970 states and 16595 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (16), 5 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-18 05:19:16,461 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:19:19,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:19:19,774 INFO L93 Difference]: Finished difference Result 23393 states and 35665 transitions. [2021-12-18 05:19:19,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 05:19:19,775 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (16), 5 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 118 [2021-12-18 05:19:19,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:19:19,825 INFO L225 Difference]: With dead ends: 23393 [2021-12-18 05:19:19,825 INFO L226 Difference]: Without dead ends: 12449 [2021-12-18 05:19:19,853 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-18 05:19:19,856 INFO L933 BasicCegarLoop]: 5991 mSDtfsCounter, 10505 mSDsluCounter, 4547 mSDsCounter, 0 mSdLazyCounter, 6294 mSolverCounterSat, 4245 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11040 SdHoareTripleChecker+Valid, 10538 SdHoareTripleChecker+Invalid, 10540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4245 IncrementalHoareTripleChecker+Valid, 6294 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2021-12-18 05:19:19,856 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11040 Valid, 10538 Invalid, 10540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4245 Valid, 6294 Invalid, 1 Unknown, 0 Unchecked, 13.6s Time] [2021-12-18 05:19:19,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12449 states. [2021-12-18 05:19:20,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12449 to 10960. [2021-12-18 05:19:20,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10960 states, 8319 states have (on average 1.4815482630123813) internal successors, (12325), 8671 states have internal predecessors, (12325), 2127 states have call successors, (2127), 517 states have call predecessors, (2127), 513 states have return successors, (2117), 1970 states have call predecessors, (2117), 2117 states have call successors, (2117) [2021-12-18 05:19:20,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10960 states to 10960 states and 16569 transitions. [2021-12-18 05:19:20,249 INFO L78 Accepts]: Start accepts. Automaton has 10960 states and 16569 transitions. Word has length 118 [2021-12-18 05:19:20,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:19:20,249 INFO L470 AbstractCegarLoop]: Abstraction has 10960 states and 16569 transitions. [2021-12-18 05:19:20,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (16), 5 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-18 05:19:20,250 INFO L276 IsEmpty]: Start isEmpty. Operand 10960 states and 16569 transitions. [2021-12-18 05:19:20,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-12-18 05:19:20,270 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:19:20,270 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 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] [2021-12-18 05:19:20,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-18 05:19:20,271 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:19:20,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:19:20,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1932597198, now seen corresponding path program 1 times [2021-12-18 05:19:20,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:19:20,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628322336] [2021-12-18 05:19:20,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:19:20,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:19:20,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:20,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:19:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:20,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 05:19:20,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:20,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 05:19:20,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:20,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 05:19:20,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:20,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 05:19:20,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:20,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 05:19:20,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:20,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 05:19:20,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:20,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 05:19:20,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:20,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 05:19:20,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:20,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 05:19:20,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:20,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 05:19:20,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:20,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 05:19:20,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:20,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-18 05:19:20,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:20,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 05:19:20,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:20,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 05:19:20,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:20,508 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-12-18 05:19:20,508 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:19:20,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628322336] [2021-12-18 05:19:20,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628322336] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:19:20,509 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:19:20,509 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 05:19:20,509 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16649519] [2021-12-18 05:19:20,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:19:20,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 05:19:20,510 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:19:20,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 05:19:20,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 05:19:20,510 INFO L87 Difference]: Start difference. First operand 10960 states and 16569 transitions. Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-18 05:19:36,701 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:19:38,736 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:19:43,737 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 05:19:50,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:19:50,365 INFO L93 Difference]: Finished difference Result 28000 states and 42657 transitions. [2021-12-18 05:19:50,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 05:19:50,366 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 160 [2021-12-18 05:19:50,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:19:50,438 INFO L225 Difference]: With dead ends: 28000 [2021-12-18 05:19:50,438 INFO L226 Difference]: Without dead ends: 17066 [2021-12-18 05:19:50,464 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-12-18 05:19:50,465 INFO L933 BasicCegarLoop]: 8564 mSDtfsCounter, 7630 mSDsluCounter, 12742 mSDsCounter, 0 mSdLazyCounter, 13456 mSolverCounterSat, 3983 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8056 SdHoareTripleChecker+Valid, 21306 SdHoareTripleChecker+Invalid, 17442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3983 IncrementalHoareTripleChecker+Valid, 13456 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.9s IncrementalHoareTripleChecker+Time [2021-12-18 05:19:50,466 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8056 Valid, 21306 Invalid, 17442 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3983 Valid, 13456 Invalid, 3 Unknown, 0 Unchecked, 28.9s Time] [2021-12-18 05:19:50,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17066 states. [2021-12-18 05:19:50,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17066 to 10962. [2021-12-18 05:19:50,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10962 states, 8321 states have (on average 1.4813123422665544) internal successors, (12326), 8673 states have internal predecessors, (12326), 2127 states have call successors, (2127), 517 states have call predecessors, (2127), 513 states have return successors, (2117), 1970 states have call predecessors, (2117), 2117 states have call successors, (2117) [2021-12-18 05:19:50,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10962 states to 10962 states and 16570 transitions. [2021-12-18 05:19:50,885 INFO L78 Accepts]: Start accepts. Automaton has 10962 states and 16570 transitions. Word has length 160 [2021-12-18 05:19:50,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:19:50,885 INFO L470 AbstractCegarLoop]: Abstraction has 10962 states and 16570 transitions. [2021-12-18 05:19:50,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-18 05:19:50,886 INFO L276 IsEmpty]: Start isEmpty. Operand 10962 states and 16570 transitions. [2021-12-18 05:19:50,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-12-18 05:19:50,915 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:19:50,915 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:19:50,916 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-18 05:19:50,916 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:19:50,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:19:50,917 INFO L85 PathProgramCache]: Analyzing trace with hash -1187421503, now seen corresponding path program 1 times [2021-12-18 05:19:50,917 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:19:50,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14167947] [2021-12-18 05:19:50,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:19:50,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:19:51,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:51,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:19:51,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:51,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 05:19:51,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:51,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 05:19:51,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:51,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 05:19:51,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:51,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 05:19:51,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:51,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 05:19:51,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:51,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 05:19:51,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:51,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 05:19:51,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:51,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 05:19:51,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:51,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 05:19:51,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:51,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 05:19:51,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:51,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 05:19:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:51,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 05:19:51,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:51,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-18 05:19:51,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:51,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-18 05:19:51,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:51,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 05:19:51,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:51,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-18 05:19:51,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:51,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 05:19:51,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:51,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 05:19:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:19:51,257 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-12-18 05:19:51,257 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:19:51,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14167947] [2021-12-18 05:19:51,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14167947] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:19:51,258 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:19:51,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 05:19:51,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69434674] [2021-12-18 05:19:51,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:19:51,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 05:19:51,258 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:19:51,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 05:19:51,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 05:19:51,260 INFO L87 Difference]: Start difference. First operand 10962 states and 16570 transitions. Second operand has 5 states, 5 states have (on average 22.2) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-18 05:20:03,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:20:03,370 INFO L93 Difference]: Finished difference Result 23383 states and 35622 transitions. [2021-12-18 05:20:03,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 05:20:03,371 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 189 [2021-12-18 05:20:03,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:20:03,426 INFO L225 Difference]: With dead ends: 23383 [2021-12-18 05:20:03,426 INFO L226 Difference]: Without dead ends: 12447 [2021-12-18 05:20:03,457 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 05:20:03,458 INFO L933 BasicCegarLoop]: 5279 mSDtfsCounter, 4195 mSDsluCounter, 6718 mSDsCounter, 0 mSdLazyCounter, 6018 mSolverCounterSat, 2147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4488 SdHoareTripleChecker+Valid, 11997 SdHoareTripleChecker+Invalid, 8165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2147 IncrementalHoareTripleChecker+Valid, 6018 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2021-12-18 05:20:03,458 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4488 Valid, 11997 Invalid, 8165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2147 Valid, 6018 Invalid, 0 Unknown, 0 Unchecked, 11.5s Time] [2021-12-18 05:20:03,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12447 states. [2021-12-18 05:20:03,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12447 to 10963. [2021-12-18 05:20:03,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10963 states, 8322 states have (on average 1.4812545061283344) internal successors, (12327), 8674 states have internal predecessors, (12327), 2127 states have call successors, (2127), 517 states have call predecessors, (2127), 513 states have return successors, (2117), 1970 states have call predecessors, (2117), 2117 states have call successors, (2117) [2021-12-18 05:20:03,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10963 states to 10963 states and 16571 transitions. [2021-12-18 05:20:03,894 INFO L78 Accepts]: Start accepts. Automaton has 10963 states and 16571 transitions. Word has length 189 [2021-12-18 05:20:03,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:20:03,895 INFO L470 AbstractCegarLoop]: Abstraction has 10963 states and 16571 transitions. [2021-12-18 05:20:03,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-18 05:20:03,895 INFO L276 IsEmpty]: Start isEmpty. Operand 10963 states and 16571 transitions. [2021-12-18 05:20:03,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-12-18 05:20:03,920 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:20:03,920 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:20:03,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-18 05:20:03,920 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:20:03,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:20:03,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1970620796, now seen corresponding path program 1 times [2021-12-18 05:20:03,921 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:20:03,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435511329] [2021-12-18 05:20:03,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:20:03,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:20:04,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:04,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:20:04,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:04,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 05:20:04,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:04,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 05:20:04,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:04,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 05:20:04,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:04,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 05:20:04,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:04,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 05:20:04,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:04,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 05:20:04,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:04,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 05:20:04,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:04,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 05:20:04,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:04,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 05:20:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:04,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 05:20:04,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:04,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 05:20:04,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:04,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 05:20:04,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:04,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 05:20:04,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:04,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 05:20:04,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:04,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-18 05:20:04,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:04,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-18 05:20:04,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:04,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 05:20:04,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:04,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-18 05:20:04,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:04,172 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2021-12-18 05:20:04,172 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:20:04,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435511329] [2021-12-18 05:20:04,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435511329] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:20:04,173 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:20:04,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 05:20:04,173 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619704720] [2021-12-18 05:20:04,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:20:04,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 05:20:04,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:20:04,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 05:20:04,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 05:20:04,174 INFO L87 Difference]: Start difference. First operand 10963 states and 16571 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-18 05:20:13,742 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:20:15,434 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:20:23,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:20:23,420 INFO L93 Difference]: Finished difference Result 22169 states and 33768 transitions. [2021-12-18 05:20:23,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 05:20:23,420 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 191 [2021-12-18 05:20:23,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:20:23,464 INFO L225 Difference]: With dead ends: 22169 [2021-12-18 05:20:23,465 INFO L226 Difference]: Without dead ends: 11232 [2021-12-18 05:20:23,489 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-18 05:20:23,490 INFO L933 BasicCegarLoop]: 7738 mSDtfsCounter, 8389 mSDsluCounter, 6029 mSDsCounter, 0 mSdLazyCounter, 7353 mSolverCounterSat, 4000 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8942 SdHoareTripleChecker+Valid, 13767 SdHoareTripleChecker+Invalid, 11354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4000 IncrementalHoareTripleChecker+Valid, 7353 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.6s IncrementalHoareTripleChecker+Time [2021-12-18 05:20:23,490 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8942 Valid, 13767 Invalid, 11354 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4000 Valid, 7353 Invalid, 1 Unknown, 0 Unchecked, 18.6s Time] [2021-12-18 05:20:23,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11232 states. [2021-12-18 05:20:23,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11232 to 9895. [2021-12-18 05:20:23,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9895 states, 7498 states have (on average 1.4766604427847425) internal successors, (11072), 7813 states have internal predecessors, (11072), 1941 states have call successors, (1941), 459 states have call predecessors, (1941), 455 states have return successors, (1931), 1801 states have call predecessors, (1931), 1931 states have call successors, (1931) [2021-12-18 05:20:23,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9895 states to 9895 states and 14944 transitions. [2021-12-18 05:20:23,878 INFO L78 Accepts]: Start accepts. Automaton has 9895 states and 14944 transitions. Word has length 191 [2021-12-18 05:20:23,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:20:23,879 INFO L470 AbstractCegarLoop]: Abstraction has 9895 states and 14944 transitions. [2021-12-18 05:20:23,879 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-18 05:20:23,879 INFO L276 IsEmpty]: Start isEmpty. Operand 9895 states and 14944 transitions. [2021-12-18 05:20:23,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-12-18 05:20:23,905 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:20:23,906 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:20:23,906 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-18 05:20:23,906 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:20:23,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:20:23,906 INFO L85 PathProgramCache]: Analyzing trace with hash 186137462, now seen corresponding path program 1 times [2021-12-18 05:20:23,907 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:20:23,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344742086] [2021-12-18 05:20:23,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:20:23,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:20:23,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:24,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:20:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:24,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 05:20:24,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:24,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 05:20:24,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:24,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 05:20:24,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:24,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 05:20:24,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:24,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 05:20:24,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:24,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 05:20:24,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:24,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 05:20:24,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:24,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 05:20:24,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:24,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 05:20:24,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:24,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 05:20:24,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:24,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 05:20:24,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:24,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 05:20:24,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:24,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 05:20:24,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:24,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 05:20:24,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:24,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-18 05:20:24,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:24,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-18 05:20:24,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:24,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 05:20:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:24,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-18 05:20:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:24,118 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2021-12-18 05:20:24,118 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:20:24,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344742086] [2021-12-18 05:20:24,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344742086] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:20:24,118 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:20:24,118 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 05:20:24,118 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978560764] [2021-12-18 05:20:24,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:20:24,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 05:20:24,119 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:20:24,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 05:20:24,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 05:20:24,120 INFO L87 Difference]: Start difference. First operand 9895 states and 14944 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-18 05:20:33,167 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:20:37,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:20:37,728 INFO L93 Difference]: Finished difference Result 21493 states and 32941 transitions. [2021-12-18 05:20:37,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 05:20:37,729 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 190 [2021-12-18 05:20:37,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:20:37,775 INFO L225 Difference]: With dead ends: 21493 [2021-12-18 05:20:37,775 INFO L226 Difference]: Without dead ends: 12648 [2021-12-18 05:20:37,799 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 05:20:37,799 INFO L933 BasicCegarLoop]: 6555 mSDtfsCounter, 5834 mSDsluCounter, 7869 mSDsCounter, 0 mSdLazyCounter, 6500 mSolverCounterSat, 2184 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6452 SdHoareTripleChecker+Valid, 14424 SdHoareTripleChecker+Invalid, 8685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2184 IncrementalHoareTripleChecker+Valid, 6500 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2021-12-18 05:20:37,800 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6452 Valid, 14424 Invalid, 8685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2184 Valid, 6500 Invalid, 1 Unknown, 0 Unchecked, 13.0s Time] [2021-12-18 05:20:37,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12648 states. [2021-12-18 05:20:38,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12648 to 9901. [2021-12-18 05:20:38,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9901 states, 7504 states have (on average 1.4762793176972282) internal successors, (11078), 7819 states have internal predecessors, (11078), 1941 states have call successors, (1941), 459 states have call predecessors, (1941), 455 states have return successors, (1931), 1801 states have call predecessors, (1931), 1931 states have call successors, (1931) [2021-12-18 05:20:38,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9901 states to 9901 states and 14950 transitions. [2021-12-18 05:20:38,160 INFO L78 Accepts]: Start accepts. Automaton has 9901 states and 14950 transitions. Word has length 190 [2021-12-18 05:20:38,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:20:38,161 INFO L470 AbstractCegarLoop]: Abstraction has 9901 states and 14950 transitions. [2021-12-18 05:20:38,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-18 05:20:38,161 INFO L276 IsEmpty]: Start isEmpty. Operand 9901 states and 14950 transitions. [2021-12-18 05:20:38,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-12-18 05:20:38,181 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:20:38,181 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:20:38,181 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-18 05:20:38,181 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:20:38,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:20:38,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1482102706, now seen corresponding path program 1 times [2021-12-18 05:20:38,182 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:20:38,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872694693] [2021-12-18 05:20:38,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:20:38,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:20:38,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:38,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:20:38,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:38,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 05:20:38,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:38,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 05:20:38,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:38,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 05:20:38,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:38,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 05:20:38,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:38,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 05:20:38,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:38,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 05:20:38,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:38,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 05:20:38,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:38,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 05:20:38,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:38,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 05:20:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:38,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 05:20:38,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:38,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 05:20:38,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:38,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 05:20:38,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:38,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 05:20:38,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:38,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 05:20:38,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:38,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-18 05:20:38,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:38,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-18 05:20:38,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:38,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 05:20:38,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:38,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-18 05:20:38,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:38,514 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2021-12-18 05:20:38,515 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:20:38,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872694693] [2021-12-18 05:20:38,515 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872694693] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:20:38,515 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:20:38,515 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 05:20:38,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234852206] [2021-12-18 05:20:38,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:20:38,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 05:20:38,516 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:20:38,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 05:20:38,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 05:20:38,517 INFO L87 Difference]: Start difference. First operand 9901 states and 14950 transitions. Second operand has 5 states, 5 states have (on average 21.4) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-18 05:20:47,252 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:20:52,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:20:52,301 INFO L93 Difference]: Finished difference Result 21130 states and 32162 transitions. [2021-12-18 05:20:52,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 05:20:52,302 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 190 [2021-12-18 05:20:52,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:20:52,334 INFO L225 Difference]: With dead ends: 21130 [2021-12-18 05:20:52,334 INFO L226 Difference]: Without dead ends: 11255 [2021-12-18 05:20:52,352 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 05:20:52,353 INFO L933 BasicCegarLoop]: 5263 mSDtfsCounter, 4213 mSDsluCounter, 6707 mSDsCounter, 0 mSdLazyCounter, 6021 mSolverCounterSat, 2156 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4505 SdHoareTripleChecker+Valid, 11970 SdHoareTripleChecker+Invalid, 8178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2156 IncrementalHoareTripleChecker+Valid, 6021 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2021-12-18 05:20:52,353 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4505 Valid, 11970 Invalid, 8178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2156 Valid, 6021 Invalid, 1 Unknown, 0 Unchecked, 13.2s Time] [2021-12-18 05:20:52,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11255 states. [2021-12-18 05:20:52,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11255 to 9906. [2021-12-18 05:20:52,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9906 states, 7509 states have (on average 1.4759621787188706) internal successors, (11083), 7824 states have internal predecessors, (11083), 1941 states have call successors, (1941), 459 states have call predecessors, (1941), 455 states have return successors, (1931), 1801 states have call predecessors, (1931), 1931 states have call successors, (1931) [2021-12-18 05:20:52,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9906 states to 9906 states and 14955 transitions. [2021-12-18 05:20:52,651 INFO L78 Accepts]: Start accepts. Automaton has 9906 states and 14955 transitions. Word has length 190 [2021-12-18 05:20:52,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:20:52,652 INFO L470 AbstractCegarLoop]: Abstraction has 9906 states and 14955 transitions. [2021-12-18 05:20:52,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-18 05:20:52,652 INFO L276 IsEmpty]: Start isEmpty. Operand 9906 states and 14955 transitions. [2021-12-18 05:20:52,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-12-18 05:20:52,669 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:20:52,669 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:20:52,669 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-18 05:20:52,670 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:20:52,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:20:52,670 INFO L85 PathProgramCache]: Analyzing trace with hash 130228107, now seen corresponding path program 1 times [2021-12-18 05:20:52,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:20:52,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088193696] [2021-12-18 05:20:52,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:20:52,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:20:52,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:52,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:20:52,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:52,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 05:20:52,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:52,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 05:20:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:52,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 05:20:52,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:52,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 05:20:52,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:52,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 05:20:52,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:52,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 05:20:52,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:52,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 05:20:52,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:52,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-18 05:20:52,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:52,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 05:20:52,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:52,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 05:20:52,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:52,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-18 05:20:52,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:52,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-18 05:20:52,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:52,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-18 05:20:52,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:52,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-18 05:20:52,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:52,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 05:20:52,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:52,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 05:20:52,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:52,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-18 05:20:52,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:52,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-18 05:20:52,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:52,958 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2021-12-18 05:20:52,958 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:20:52,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088193696] [2021-12-18 05:20:52,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088193696] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 05:20:52,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922318650] [2021-12-18 05:20:52,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:20:52,959 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:20:52,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:20:52,960 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) [2021-12-18 05:20:52,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-18 05:20:54,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:20:54,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 4580 conjuncts, 50 conjunts are in the unsatisfiable core [2021-12-18 05:20:54,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:20:54,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:20:54,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:20:54,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:20:54,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:20:54,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:20:54,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:20:54,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:20:54,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:20:54,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:20:54,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:20:54,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:20:54,519 INFO L354 Elim1Store]: treesize reduction 247, result has 16.0 percent of original size [2021-12-18 05:20:54,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 14 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 92 treesize of output 130 [2021-12-18 05:20:54,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:20:54,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:20:54,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:20:54,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:20:54,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:20:54,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:20:54,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:20:54,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:20:54,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:20:54,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:20:54,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:20:54,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:20:54,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:20:54,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:20:54,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:20:54,631 INFO L354 Elim1Store]: treesize reduction 215, result has 16.3 percent of original size [2021-12-18 05:20:54,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 16 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 76 [2021-12-18 05:20:57,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2021-12-18 05:20:57,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-18 05:20:57,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2021-12-18 05:20:57,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-18 05:20:58,064 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-12-18 05:20:58,064 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:20:58,065 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922318650] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:20:58,065 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 05:20:58,065 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2021-12-18 05:20:58,066 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794199784] [2021-12-18 05:20:58,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:20:58,067 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 05:20:58,067 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:20:58,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 05:20:58,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-18 05:20:58,068 INFO L87 Difference]: Start difference. First operand 9906 states and 14955 transitions. Second operand has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-18 05:21:07,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:21:07,067 INFO L93 Difference]: Finished difference Result 27275 states and 41522 transitions. [2021-12-18 05:21:07,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 05:21:07,068 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 194 [2021-12-18 05:21:07,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:21:07,131 INFO L225 Difference]: With dead ends: 27275 [2021-12-18 05:21:07,132 INFO L226 Difference]: Without dead ends: 17395 [2021-12-18 05:21:07,160 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-12-18 05:21:07,161 INFO L933 BasicCegarLoop]: 6691 mSDtfsCounter, 4450 mSDsluCounter, 15029 mSDsCounter, 0 mSdLazyCounter, 2915 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4450 SdHoareTripleChecker+Valid, 21720 SdHoareTripleChecker+Invalid, 2918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2021-12-18 05:21:07,162 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4450 Valid, 21720 Invalid, 2918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2915 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2021-12-18 05:21:07,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17395 states. [2021-12-18 05:21:07,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17395 to 17120. [2021-12-18 05:21:07,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17120 states, 13066 states have (on average 1.4879075463033828) internal successors, (19441), 13642 states have internal predecessors, (19441), 3235 states have call successors, (3235), 834 states have call predecessors, (3235), 818 states have return successors, (3562), 2911 states have call predecessors, (3562), 3223 states have call successors, (3562) [2021-12-18 05:21:07,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17120 states to 17120 states and 26238 transitions. [2021-12-18 05:21:07,834 INFO L78 Accepts]: Start accepts. Automaton has 17120 states and 26238 transitions. Word has length 194 [2021-12-18 05:21:07,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:21:07,835 INFO L470 AbstractCegarLoop]: Abstraction has 17120 states and 26238 transitions. [2021-12-18 05:21:07,835 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-18 05:21:07,835 INFO L276 IsEmpty]: Start isEmpty. Operand 17120 states and 26238 transitions. [2021-12-18 05:21:07,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-12-18 05:21:07,867 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:21:07,868 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:21:07,902 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-18 05:21:08,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-12-18 05:21:08,084 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:21:08,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:21:08,084 INFO L85 PathProgramCache]: Analyzing trace with hash -347549020, now seen corresponding path program 1 times [2021-12-18 05:21:08,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:21:08,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196147268] [2021-12-18 05:21:08,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:21:08,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:21:08,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:21:08,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:21:08,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:21:08,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 05:21:08,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:21:08,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 05:21:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:21:08,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 05:21:08,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:21:08,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 05:21:08,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:21:08,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 05:21:08,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:21:08,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 05:21:08,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:21:08,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 05:21:08,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:21:08,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 05:21:08,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:21:08,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 05:21:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:21:08,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 05:21:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:21:08,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 05:21:08,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:21:08,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-18 05:21:08,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:21:08,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 05:21:08,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:21:08,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-18 05:21:08,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:21:08,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-18 05:21:08,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:21:08,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 05:21:08,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:21:08,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-18 05:21:08,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:21:08,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 05:21:08,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:21:08,386 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2021-12-18 05:21:08,386 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:21:08,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196147268] [2021-12-18 05:21:08,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196147268] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 05:21:08,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174251694] [2021-12-18 05:21:08,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:21:08,387 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:21:08,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:21:08,388 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 05:21:08,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-18 05:21:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:21:09,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 4588 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-18 05:21:09,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:21:09,784 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 54 proven. 1 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-12-18 05:21:09,785 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 05:21:10,095 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2021-12-18 05:21:10,095 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1174251694] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 05:21:10,095 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-18 05:21:10,095 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 9 [2021-12-18 05:21:10,095 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659334998] [2021-12-18 05:21:10,095 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-18 05:21:10,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 05:21:10,096 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:21:10,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 05:21:10,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-18 05:21:10,096 INFO L87 Difference]: Start difference. First operand 17120 states and 26238 transitions. Second operand has 9 states, 9 states have (on average 15.777777777777779) internal successors, (142), 7 states have internal predecessors, (142), 2 states have call successors, (43), 4 states have call predecessors, (43), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-18 05:21:21,775 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:21:23,810 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:21:25,531 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:21:30,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:21:30,480 INFO L93 Difference]: Finished difference Result 35947 states and 55347 transitions. [2021-12-18 05:21:30,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 05:21:30,481 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.777777777777779) internal successors, (142), 7 states have internal predecessors, (142), 2 states have call successors, (43), 4 states have call predecessors, (43), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 196 [2021-12-18 05:21:30,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:21:30,565 INFO L225 Difference]: With dead ends: 35947 [2021-12-18 05:21:30,565 INFO L226 Difference]: Without dead ends: 18853 [2021-12-18 05:21:30,617 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 434 GetRequests, 426 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-12-18 05:21:30,617 INFO L933 BasicCegarLoop]: 5238 mSDtfsCounter, 4272 mSDsluCounter, 9773 mSDsCounter, 0 mSdLazyCounter, 8912 mSolverCounterSat, 2182 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4561 SdHoareTripleChecker+Valid, 15011 SdHoareTripleChecker+Invalid, 11095 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2182 IncrementalHoareTripleChecker+Valid, 8912 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.5s IncrementalHoareTripleChecker+Time [2021-12-18 05:21:30,617 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4561 Valid, 15011 Invalid, 11095 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2182 Valid, 8912 Invalid, 1 Unknown, 0 Unchecked, 19.5s Time] [2021-12-18 05:21:30,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18853 states. [2021-12-18 05:21:31,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18853 to 18105. [2021-12-18 05:21:31,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18105 states, 13802 states have (on average 1.480654977539487) internal successors, (20436), 14431 states have internal predecessors, (20436), 3343 states have call successors, (3343), 834 states have call predecessors, (3343), 959 states have return successors, (4136), 3105 states have call predecessors, (4136), 3331 states have call successors, (4136) [2021-12-18 05:21:31,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18105 states to 18105 states and 27915 transitions. [2021-12-18 05:21:31,413 INFO L78 Accepts]: Start accepts. Automaton has 18105 states and 27915 transitions. Word has length 196 [2021-12-18 05:21:31,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:21:31,413 INFO L470 AbstractCegarLoop]: Abstraction has 18105 states and 27915 transitions. [2021-12-18 05:21:31,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.777777777777779) internal successors, (142), 7 states have internal predecessors, (142), 2 states have call successors, (43), 4 states have call predecessors, (43), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-18 05:21:31,413 INFO L276 IsEmpty]: Start isEmpty. Operand 18105 states and 27915 transitions. [2021-12-18 05:21:31,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-12-18 05:21:31,449 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:21:31,449 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:21:31,480 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-18 05:21:31,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-12-18 05:21:31,664 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:21:31,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:21:31,664 INFO L85 PathProgramCache]: Analyzing trace with hash 77205885, now seen corresponding path program 1 times [2021-12-18 05:21:31,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:21:31,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106299486] [2021-12-18 05:21:31,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:21:31,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:21:32,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:21:32,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:21:32,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:21:32,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 05:21:32,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:21:32,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 05:21:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:21:32,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 05:21:32,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:21:32,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 05:21:32,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:21:32,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 05:21:32,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:21:32,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 05:21:32,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:21:32,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 05:21:32,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:21:32,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 05:21:32,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:21:32,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 05:21:32,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:21:32,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-18 05:21:32,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:21:32,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-18 05:21:32,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:21:32,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 05:21:32,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:21:32,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-18 05:21:32,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:21:32,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-18 05:21:32,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:21:32,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-18 05:21:32,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:21:32,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-18 05:21:32,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:21:32,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 05:21:32,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:21:32,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 05:21:32,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:21:32,535 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2021-12-18 05:21:32,535 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:21:32,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106299486] [2021-12-18 05:21:32,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106299486] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 05:21:32,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1990683130] [2021-12-18 05:21:32,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:21:32,535 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:21:32,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:21:32,537 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 05:21:32,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-18 05:21:33,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:21:33,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 4597 conjuncts, 62 conjunts are in the unsatisfiable core [2021-12-18 05:21:33,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:21:33,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:21:33,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:21:33,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:21:33,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:21:33,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:21:33,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:21:33,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:21:33,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:21:33,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:21:33,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:21:33,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:21:33,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:21:33,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:21:33,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:21:33,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:21:33,963 INFO L354 Elim1Store]: treesize reduction 215, result has 16.3 percent of original size [2021-12-18 05:21:33,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 16 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 83 [2021-12-18 05:21:33,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:21:33,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:21:33,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:21:33,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:21:33,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:21:34,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:21:34,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:21:34,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:21:34,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:21:34,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:21:34,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:21:34,126 INFO L244 Elim1Store]: Index analysis took 137 ms [2021-12-18 05:21:34,202 INFO L354 Elim1Store]: treesize reduction 247, result has 16.0 percent of original size [2021-12-18 05:21:34,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 14 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 155 treesize of output 191 [2021-12-18 05:21:37,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2021-12-18 05:21:37,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-12-18 05:21:37,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2021-12-18 05:21:37,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-12-18 05:21:38,076 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 57 proven. 3 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-12-18 05:21:38,076 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 05:21:38,692 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2021-12-18 05:21:38,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1990683130] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 05:21:38,692 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-18 05:21:38,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 8] total 18 [2021-12-18 05:21:38,693 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251283742] [2021-12-18 05:21:38,693 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-18 05:21:38,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-18 05:21:38,694 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:21:38,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-18 05:21:38,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2021-12-18 05:21:38,694 INFO L87 Difference]: Start difference. First operand 18105 states and 27915 transitions. Second operand has 18 states, 18 states have (on average 11.666666666666666) internal successors, (210), 16 states have internal predecessors, (210), 4 states have call successors, (53), 5 states have call predecessors, (53), 3 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) [2021-12-18 05:22:23,408 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:22:25,105 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:22:27,093 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:22:30,451 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:22:32,488 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:22:39,826 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-18 05:24:23,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:24:23,903 INFO L93 Difference]: Finished difference Result 52330 states and 81063 transitions. [2021-12-18 05:24:23,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-12-18 05:24:23,903 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 11.666666666666666) internal successors, (210), 16 states have internal predecessors, (210), 4 states have call successors, (53), 5 states have call predecessors, (53), 3 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) Word has length 200 [2021-12-18 05:24:23,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:24:24,025 INFO L225 Difference]: With dead ends: 52330 [2021-12-18 05:24:24,025 INFO L226 Difference]: Without dead ends: 34251 [2021-12-18 05:24:24,068 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 468 GetRequests, 434 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 288 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=212, Invalid=978, Unknown=0, NotChecked=0, Total=1190 [2021-12-18 05:24:24,069 INFO L933 BasicCegarLoop]: 7974 mSDtfsCounter, 21673 mSDsluCounter, 37126 mSDsCounter, 0 mSdLazyCounter, 58282 mSolverCounterSat, 8348 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 133.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22492 SdHoareTripleChecker+Valid, 45100 SdHoareTripleChecker+Invalid, 66633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 8348 IncrementalHoareTripleChecker+Valid, 58282 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 161.4s IncrementalHoareTripleChecker+Time [2021-12-18 05:24:24,069 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22492 Valid, 45100 Invalid, 66633 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [8348 Valid, 58282 Invalid, 3 Unknown, 0 Unchecked, 161.4s Time] [2021-12-18 05:24:24,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34251 states. [2021-12-18 05:24:25,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34251 to 32404. [2021-12-18 05:24:25,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32404 states, 24810 states have (on average 1.4900040306328093) internal successors, (36967), 25982 states have internal predecessors, (36967), 5909 states have call successors, (5909), 1558 states have call predecessors, (5909), 1684 states have return successors, (7529), 5313 states have call predecessors, (7529), 5893 states have call successors, (7529) [2021-12-18 05:24:25,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32404 states to 32404 states and 50405 transitions. [2021-12-18 05:24:25,335 INFO L78 Accepts]: Start accepts. Automaton has 32404 states and 50405 transitions. Word has length 200 [2021-12-18 05:24:25,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:24:25,338 INFO L470 AbstractCegarLoop]: Abstraction has 32404 states and 50405 transitions. [2021-12-18 05:24:25,338 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 11.666666666666666) internal successors, (210), 16 states have internal predecessors, (210), 4 states have call successors, (53), 5 states have call predecessors, (53), 3 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) [2021-12-18 05:24:25,339 INFO L276 IsEmpty]: Start isEmpty. Operand 32404 states and 50405 transitions. [2021-12-18 05:24:25,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-12-18 05:24:25,376 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:24:25,377 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:24:25,407 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-18 05:24:25,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:24:25,578 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:24:25,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:24:25,578 INFO L85 PathProgramCache]: Analyzing trace with hash 237703190, now seen corresponding path program 2 times [2021-12-18 05:24:25,578 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:24:25,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523617199] [2021-12-18 05:24:25,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:24:25,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:24:27,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:27,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:24:27,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:27,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 05:24:27,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:27,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 05:24:27,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:27,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 05:24:27,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:27,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 05:24:27,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:27,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 05:24:27,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:27,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 05:24:27,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:27,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 05:24:27,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:27,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 05:24:27,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:27,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 05:24:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:27,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 05:24:27,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:27,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-18 05:24:27,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:27,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-18 05:24:27,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:27,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-18 05:24:27,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:27,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 05:24:27,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:27,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-18 05:24:27,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:27,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-18 05:24:27,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:27,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-18 05:24:27,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:27,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-18 05:24:27,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:24:27,929 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2021-12-18 05:24:27,929 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:24:27,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523617199] [2021-12-18 05:24:27,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523617199] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:24:27,930 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:24:27,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-18 05:24:27,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942699837] [2021-12-18 05:24:27,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:24:27,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-18 05:24:27,931 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:24:27,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-18 05:24:27,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-12-18 05:24:27,931 INFO L87 Difference]: Start difference. First operand 32404 states and 50405 transitions. Second operand has 10 states, 10 states have (on average 11.8) internal successors, (118), 8 states have internal predecessors, (118), 3 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-18 05:24:48,277 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:24:50,334 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:24:52,384 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:24:54,426 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:24:56,366 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:25:23,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:25:23,200 INFO L93 Difference]: Finished difference Result 81313 states and 128309 transitions. [2021-12-18 05:25:23,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-18 05:25:23,202 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.8) internal successors, (118), 8 states have internal predecessors, (118), 3 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 202 [2021-12-18 05:25:23,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:25:23,425 INFO L225 Difference]: With dead ends: 81313 [2021-12-18 05:25:23,426 INFO L226 Difference]: Without dead ends: 51779 [2021-12-18 05:25:23,511 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=93, Invalid=327, Unknown=0, NotChecked=0, Total=420 [2021-12-18 05:25:23,513 INFO L933 BasicCegarLoop]: 9313 mSDtfsCounter, 22163 mSDsluCounter, 29337 mSDsCounter, 0 mSdLazyCounter, 26111 mSolverCounterSat, 7794 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22902 SdHoareTripleChecker+Valid, 38650 SdHoareTripleChecker+Invalid, 33908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 7794 IncrementalHoareTripleChecker+Valid, 26111 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.2s IncrementalHoareTripleChecker+Time [2021-12-18 05:25:23,513 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22902 Valid, 38650 Invalid, 33908 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [7794 Valid, 26111 Invalid, 3 Unknown, 0 Unchecked, 52.2s Time] [2021-12-18 05:25:23,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51779 states. [2021-12-18 05:25:25,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51779 to 40135. [2021-12-18 05:25:25,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40135 states, 30780 states have (on average 1.4926900584795322) internal successors, (45945), 32243 states have internal predecessors, (45945), 7269 states have call successors, (7269), 1931 states have call predecessors, (7269), 2085 states have return successors, (9498), 6516 states have call predecessors, (9498), 7251 states have call successors, (9498) [2021-12-18 05:25:25,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40135 states to 40135 states and 62712 transitions. [2021-12-18 05:25:25,579 INFO L78 Accepts]: Start accepts. Automaton has 40135 states and 62712 transitions. Word has length 202 [2021-12-18 05:25:25,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:25:25,580 INFO L470 AbstractCegarLoop]: Abstraction has 40135 states and 62712 transitions. [2021-12-18 05:25:25,580 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.8) internal successors, (118), 8 states have internal predecessors, (118), 3 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-18 05:25:25,580 INFO L276 IsEmpty]: Start isEmpty. Operand 40135 states and 62712 transitions. [2021-12-18 05:25:25,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-12-18 05:25:25,622 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:25:25,622 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:25:25,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-18 05:25:25,622 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:25:25,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:25:25,623 INFO L85 PathProgramCache]: Analyzing trace with hash -904799276, now seen corresponding path program 1 times [2021-12-18 05:25:25,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:25:25,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914201435] [2021-12-18 05:25:25,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:25:25,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:25:26,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-18 05:25:26,696 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-18 05:25:27,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-18 05:25:27,748 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-18 05:25:27,748 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-18 05:25:27,749 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-18 05:25:27,750 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-18 05:25:27,753 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:25:27,755 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-18 05:25:28,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 05:25:28 BoogieIcfgContainer [2021-12-18 05:25:28,228 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-18 05:25:28,229 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-18 05:25:28,229 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-18 05:25:28,229 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-18 05:25:28,230 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 05:17:22" (3/4) ... [2021-12-18 05:25:28,232 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-18 05:25:28,232 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-18 05:25:28,233 INFO L158 Benchmark]: Toolchain (without parser) took 498804.55ms. Allocated memory was 98.6MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 68.9MB in the beginning and 900.0MB in the end (delta: -831.1MB). Peak memory consumption was 639.6MB. Max. memory is 16.1GB. [2021-12-18 05:25:28,234 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 98.6MB. Free memory was 55.3MB in the beginning and 55.3MB in the end (delta: 48.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 05:25:28,237 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2324.15ms. Allocated memory was 98.6MB in the beginning and 205.5MB in the end (delta: 107.0MB). Free memory was 68.9MB in the beginning and 112.5MB in the end (delta: -43.6MB). Peak memory consumption was 115.3MB. Max. memory is 16.1GB. [2021-12-18 05:25:28,238 INFO L158 Benchmark]: Boogie Procedure Inliner took 349.82ms. Allocated memory is still 205.5MB. Free memory was 112.5MB in the beginning and 97.1MB in the end (delta: 15.4MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. [2021-12-18 05:25:28,238 INFO L158 Benchmark]: Boogie Preprocessor took 412.02ms. Allocated memory was 205.5MB in the beginning and 396.4MB in the end (delta: 190.8MB). Free memory was 97.1MB in the beginning and 252.0MB in the end (delta: -154.9MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2021-12-18 05:25:28,239 INFO L158 Benchmark]: RCFGBuilder took 9525.47ms. Allocated memory was 396.4MB in the beginning and 725.6MB in the end (delta: 329.3MB). Free memory was 258.3MB in the beginning and 508.6MB in the end (delta: -250.3MB). Peak memory consumption was 328.5MB. Max. memory is 16.1GB. [2021-12-18 05:25:28,239 INFO L158 Benchmark]: TraceAbstraction took 486168.42ms. Allocated memory was 725.6MB in the beginning and 1.6GB in the end (delta: 843.1MB). Free memory was 507.6MB in the beginning and 900.0MB in the end (delta: -392.4MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2021-12-18 05:25:28,239 INFO L158 Benchmark]: Witness Printer took 3.25ms. Allocated memory is still 1.6GB. Free memory is still 900.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 05:25:28,244 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 98.6MB. Free memory was 55.3MB in the beginning and 55.3MB in the end (delta: 48.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2324.15ms. Allocated memory was 98.6MB in the beginning and 205.5MB in the end (delta: 107.0MB). Free memory was 68.9MB in the beginning and 112.5MB in the end (delta: -43.6MB). Peak memory consumption was 115.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 349.82ms. Allocated memory is still 205.5MB. Free memory was 112.5MB in the beginning and 97.1MB in the end (delta: 15.4MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 412.02ms. Allocated memory was 205.5MB in the beginning and 396.4MB in the end (delta: 190.8MB). Free memory was 97.1MB in the beginning and 252.0MB in the end (delta: -154.9MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * RCFGBuilder took 9525.47ms. Allocated memory was 396.4MB in the beginning and 725.6MB in the end (delta: 329.3MB). Free memory was 258.3MB in the beginning and 508.6MB in the end (delta: -250.3MB). Peak memory consumption was 328.5MB. Max. memory is 16.1GB. * TraceAbstraction took 486168.42ms. Allocated memory was 725.6MB in the beginning and 1.6GB in the end (delta: 843.1MB). Free memory was 507.6MB in the beginning and 900.0MB in the end (delta: -392.4MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * Witness Printer took 3.25ms. Allocated memory is still 1.6GB. Free memory is still 900.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 2941]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 3885, overapproximation of bitwiseAnd at line 3404. Possible FailurePath: [L2957] int LDV_IN_INTERRUPT = 1; [L2972] struct audio_operations tmp___1; [L2973] struct audio_operations *audio_devs[5U] = {&tmp___1, &tmp___1, &tmp___1, &tmp___1, &tmp___1} ; [L2974] int num_audiodevs ; [L2975] struct mixer_operations tmp___2; [L2976] struct mixer_operations *mixer_devs[5U] = {&tmp___2, &tmp___2, &tmp___2, &tmp___2, &tmp___2} ; [L2977] int num_mixers ; [L2978] struct synth_operations tmp___3; [L2979] struct synth_operations *synth_devs[11U] = {&tmp___3, &tmp___3, &tmp___3, &tmp___3, &tmp___3, &tmp___3, &tmp___3, &tmp___3, &tmp___3, &tmp___3, &tmp___3, }; [L2980] int num_synths ; [L2981] struct midi_operations tmp___4; [L2982] struct midi_operations *midi_devs[6U] = {&tmp___4, &tmp___4, &tmp___4, &tmp___4, &tmp___4, &tmp___4 }; [L2983] int num_midis ; [L3000] struct sound_timer_operations *sound_timer_devs[4U] = { & default_sound_timer, (struct sound_timer_operations *)0}; [L3001] int num_sound_timers = 1; [L3390] struct inode *oss_sound_fops_group1 ; [L3391] int ldv_state_variable_3 ; [L3392] int ldv_state_variable_2 ; [L3393] struct file *oss_sound_fops_group2 ; [L3394] int ref_cnt ; [L3395] int ldv_state_variable_1 ; [L3396] int ldv_state_variable_4 ; [L3397] int ldv_state_variable_6 ; [L3398] int ldv_state_variable_0 ; [L3399] int ldv_state_variable_5 ; [L3859] void *sound_mem_blocks[1024U] ; [L3885-L3888] static struct mutex soundcard_mutex = {{1}, {{{{0U}, 3735899821U, 4294967295U, (void *)-1, {0, 0, "soundcard_mutex.wait_lock", 0, 0UL}}}}, {& soundcard_mutex.wait_list, & soundcard_mutex.wait_list}, 0, 0, (void *)(& soundcard_mutex), {0, 0, "soundcard_mutex", 0, 0UL}}; [L3889] int sound_nblocks = 0; [L3890] int sound_dmap_flag = 1; [L3891] static char dma_alloc_map[8U] ; [L3892] unsigned long seq_time = 0UL; [L3894] static mixer_vol_table mixer_vols[5U] ; [L3895] static int num_mixer_volumes ; [L4488-L4491] struct file_operations const oss_sound_fops = {& __this_module, & no_llseek, & sound_read, & sound_write, 0, 0, 0, & sound_poll, & sound_ioctl, 0, & sound_mmap, & sound_open, 0, & sound_release, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L4512-L4513] static struct __anonstruct_dev_list_145 const dev_list[2U] = { {5U, (char *)"dspW", 434U, & num_audiodevs}, {4U, (char *)"audio", 434U, & num_audiodevs}}; [L4514] static int dmabuf ; [L4515] static int dmabug ; [L4689-L4695] static struct timer_list seq_timer = {{0, (struct list_head *)1953723489}, 0UL, & boot_tvec_bases, & do_sequencer_timer, 0UL, 0, 0, {(char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0}, 0, {(struct lock_class_key *)"/home/ldvuser/gratinskiy/commit-tester-runs/6-cpa-svcomp-newdeg/commit-tester-work/task-176--linux-torvalds--dir/work/current--X--sound/oss/sound.ko--X--defaultlinux-torvalds-645ef9e--X--32_7a--X--cpachecker/linux-torvalds-645ef9e/csd_deg_dscv/29/dscv_tempdir/dscv/ri/32_7a/sound/oss/soundcard.o.c.prepared:728", 0, "/home/ldvuser/gratinskiy/commit-tester-runs/6-cpa-svcomp-newdeg/commit-tester-work/task-176--linux-torvalds--dir/work/current--X--sound/oss/sound.ko--X--defaultlinux-torvalds-645ef9e--X--32_7a--X--cpachecker/linux-torvalds-645ef9e/csd_deg_dscv/29/dscv_tempdir/dscv/ri/32_7a/sound/oss/soundcard.o.c.prepared:728", 0, 0UL}}; [L4764] int ldv_retval_0 ; [L4767] int ldv_retval_2 ; [L5573-L5637] static unsigned char ulaw_dsp[256U] = { 3U, 7U, 11U, 15U, 19U, 23U, 27U, 31U, 35U, 39U, 43U, 47U, 51U, 55U, 59U, 63U, 66U, 68U, 70U, 72U, 74U, 76U, 78U, 80U, 82U, 84U, 86U, 88U, 90U, 92U, 94U, 96U, 98U, 99U, 100U, 101U, 102U, 103U, 104U, 105U, 106U, 107U, 108U, 109U, 110U, 111U, 112U, 113U, 113U, 114U, 114U, 115U, 115U, 116U, 116U, 117U, 117U, 118U, 118U, 119U, 119U, 120U, 120U, 121U, 121U, 121U, 122U, 122U, 122U, 122U, 123U, 123U, 123U, 123U, 124U, 124U, 124U, 124U, 125U, 125U, 125U, 125U, 125U, 125U, 126U, 126U, 126U, 126U, 126U, 126U, 126U, 126U, 127U, 127U, 127U, 127U, 127U, 127U, 127U, 127U, 127U, 127U, 127U, 127U, 128U, 128U, 128U, 128U, 128U, 128U, 128U, 128U, 128U, 128U, 128U, 128U, 128U, 128U, 128U, 128U, 128U, 128U, 128U, 128U, 128U, 128U, 128U, 128U, 253U, 249U, 245U, 241U, 237U, 233U, 229U, 225U, 221U, 217U, 213U, 209U, 205U, 201U, 197U, 193U, 190U, 188U, 186U, 184U, 182U, 180U, 178U, 176U, 174U, 172U, 170U, 168U, 166U, 164U, 162U, 160U, 158U, 157U, 156U, 155U, 154U, 153U, 152U, 151U, 150U, 149U, 148U, 147U, 146U, 145U, 144U, 143U, 143U, 142U, 142U, 141U, 141U, 140U, 140U, 139U, 139U, 138U, 138U, 137U, 137U, 136U, 136U, 135U, 135U, 135U, 134U, 134U, 134U, 134U, 133U, 133U, 133U, 133U, 132U, 132U, 132U, 132U, 131U, 131U, 131U, 131U, 131U, 131U, 130U, 130U, 130U, 130U, 130U, 130U, 130U, 130U, 129U, 129U, 129U, 129U, 129U, 129U, 129U, 129U, 129U, 129U, 129U, 129U, 128U, 128U, 128U, 128U, 128U, 128U, 128U, 128U, 128U, 128U, 128U, 128U, 128U, 128U, 128U, 128U, 128U, 128U, 128U, 128U, 128U, 128U, 128U, 128U}; [L5638-L5702] static unsigned char dsp_ulaw[256U] = { 0U, 0U, 0U, 0U, 0U, 1U, 1U, 1U, 1U, 2U, 2U, 2U, 2U, 3U, 3U, 3U, 3U, 4U, 4U, 4U, 4U, 5U, 5U, 5U, 5U, 6U, 6U, 6U, 6U, 7U, 7U, 7U, 7U, 8U, 8U, 8U, 8U, 9U, 9U, 9U, 9U, 10U, 10U, 10U, 10U, 11U, 11U, 11U, 11U, 12U, 12U, 12U, 12U, 13U, 13U, 13U, 13U, 14U, 14U, 14U, 14U, 15U, 15U, 15U, 15U, 16U, 16U, 17U, 17U, 18U, 18U, 19U, 19U, 20U, 20U, 21U, 21U, 22U, 22U, 23U, 23U, 24U, 24U, 25U, 25U, 26U, 26U, 27U, 27U, 28U, 28U, 29U, 29U, 30U, 30U, 31U, 31U, 32U, 33U, 34U, 35U, 36U, 37U, 38U, 39U, 40U, 41U, 42U, 43U, 44U, 45U, 46U, 47U, 49U, 51U, 53U, 55U, 57U, 59U, 61U, 63U, 66U, 70U, 74U, 78U, 84U, 92U, 104U, 254U, 231U, 219U, 211U, 205U, 201U, 197U, 193U, 190U, 188U, 186U, 184U, 182U, 180U, 178U, 176U, 175U, 174U, 173U, 172U, 171U, 170U, 169U, 168U, 167U, 166U, 165U, 164U, 163U, 162U, 161U, 160U, 159U, 159U, 158U, 158U, 157U, 157U, 156U, 156U, 155U, 155U, 154U, 154U, 153U, 153U, 152U, 152U, 151U, 151U, 150U, 150U, 149U, 149U, 148U, 148U, 147U, 147U, 146U, 146U, 145U, 145U, 144U, 144U, 143U, 143U, 143U, 143U, 142U, 142U, 142U, 142U, 141U, 141U, 141U, 141U, 140U, 140U, 140U, 140U, 139U, 139U, 139U, 139U, 138U, 138U, 138U, 138U, 137U, 137U, 137U, 137U, 136U, 136U, 136U, 136U, 135U, 135U, 135U, 135U, 134U, 134U, 134U, 134U, 133U, 133U, 133U, 133U, 132U, 132U, 132U, 132U, 131U, 131U, 131U, 131U, 130U, 130U, 130U, 130U, 129U, 129U, 129U, 129U, 128U, 128U, 128U, 128U}; [L7379] static int debugmem ; [L7380] static int dma_buffsize = 65536; [L9155] static int midi2synth[6U] ; [L9156] static int sysex_state[6U] = { 0}; [L9157] static unsigned char prev_out_status[6U] ; [L10020] static wait_queue_head_t midi_sleeper[6U] ; [L10021] static wait_queue_head_t input_sleeper[6U] ; [L10022] static struct midi_buf *midi_out_buf[6U] = { (struct midi_buf *)0}; [L10023] static struct midi_buf *midi_in_buf[6U] = { (struct midi_buf *)0}; [L10024] static struct midi_parms parms[6U] ; [L10026-L10032] static struct timer_list poll_timer = {{0, (struct list_head *)1953723489}, 0UL, & boot_tvec_bases, & midi_poll, 0UL, 0, 0, {(char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0}, 0, {(struct lock_class_key *)"/home/ldvuser/gratinskiy/commit-tester-runs/6-cpa-svcomp-newdeg/commit-tester-work/task-176--linux-torvalds--dir/work/current--X--sound/oss/sound.ko--X--defaultlinux-torvalds-645ef9e--X--32_7a--X--cpachecker/linux-torvalds-645ef9e/csd_deg_dscv/29/dscv_tempdir/dscv/ri/32_7a/sound/oss/midibuf.o.c.prepared:93", 0, "/home/ldvuser/gratinskiy/commit-tester-runs/6-cpa-svcomp-newdeg/commit-tester-work/task-176--linux-torvalds--dir/work/current--X--sound/oss/sound.ko--X--defaultlinux-torvalds-645ef9e--X--32_7a--X--cpachecker/linux-torvalds-645ef9e/csd_deg_dscv/29/dscv_tempdir/dscv/ri/32_7a/sound/oss/midibuf.o.c.prepared:93", 0, 0UL}}; [L10033] static int volatile open_devs ; [L10034] static spinlock_t lock = {{{{0U}, 3735899821U, 4294967295U, (void *)-1, {0, 0, "lock", 0, 0UL}}}}; [L10604-L10636] static unsigned char ctrl_def_values[128U] = { 64U, 0U, 64U, 64U, 64U, 64U, 64U, 127U, 64U, 64U, 64U, 127U, 64U, 64U, 64U, 64U, 64U, 64U, 64U, 64U, 64U, 64U, 64U, 64U, 64U, 64U, 64U, 64U, 64U, 64U, 64U, 64U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 127U, 127U, 127U, 127U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U, 0U}; [L10637] static int sequencer_ok ; [L10638] static struct sound_timer_operations *tmr ; [L10639] static int tmr_no = -1; [L10640] static int pending_timer = -1; [L10641] static int obsolete_api_used ; [L10642] static spinlock_t lock___0 = {{{{0U}, 3735899821U, 4294967295U, (void *)-1, {0, 0, "lock", 0, 0UL}}}}; [L10643] static int max_mididev ; [L10644] static int max_synthdev ; [L10645] static int seq_mode = 1; [L10646-L10647] static wait_queue_head_t seq_sleeper = {{{{{0U}, 3735899821U, 4294967295U, (void *)-1, {0, 0, "seq_sleeper.lock", 0, 0UL}}}}, {& seq_sleeper.task_list, & seq_sleeper.task_list}}; [L10648-L10650] static wait_queue_head_t midi_sleeper___0 = {{{{{0U}, 3735899821U, 4294967295U, (void *)-1, {0, 0, "midi_sleeper.lock", 0, 0UL}}}}, {& midi_sleeper___0.task_list, & midi_sleeper___0.task_list}}; [L10651] static int midi_opened[6U] ; [L10652] static int midi_written[6U] ; [L10653] static unsigned long prev_input_time ; [L10654] static int prev_event_time ; [L10655-L10661] static unsigned short semitone_tuning[24U] = { 10000U, 10595U, 11225U, 11892U, 12599U, 13348U, 14142U, 14983U, 15874U, 16818U, 17818U, 18877U, 20000U, 21189U, 22449U, 23784U, 25198U, 26697U, 28284U, 29966U, 31748U, 33636U, 35636U, 37755U}; [L10662-L10687] static unsigned short cent_tuning[100U] = { 10000U, 10006U, 10012U, 10017U, 10023U, 10029U, 10035U, 10041U, 10046U, 10052U, 10058U, 10064U, 10070U, 10075U, 10081U, 10087U, 10093U, 10099U, 10105U, 10110U, 10116U, 10122U, 10128U, 10134U, 10140U, 10145U, 10151U, 10157U, 10163U, 10169U, 10175U, 10181U, 10187U, 10192U, 10198U, 10204U, 10210U, 10216U, 10222U, 10228U, 10234U, 10240U, 10246U, 10251U, 10257U, 10263U, 10269U, 10275U, 10281U, 10287U, 10293U, 10299U, 10305U, 10311U, 10317U, 10323U, 10329U, 10335U, 10341U, 10347U, 10353U, 10359U, 10365U, 10371U, 10377U, 10383U, 10389U, 10395U, 10401U, 10407U, 10413U, 10419U, 10425U, 10431U, 10437U, 10443U, 10449U, 10455U, 10461U, 10467U, 10473U, 10479U, 10485U, 10491U, 10497U, 10503U, 10509U, 10515U, 10521U, 10528U, 10534U, 10540U, 10546U, 10552U, 10558U, 10564U, 10570U, 10576U, 10582U, 10589U}; [L10688] static unsigned char *queue ; [L10689] static unsigned char *iqueue ; [L10690] static int volatile qhead ; [L10691] static int volatile qtail ; [L10692] static int volatile qlen ; [L10693] static int volatile iqhead ; [L10694] static int volatile iqtail ; [L10695] static int volatile iqlen ; [L10696] static int volatile seq_playing ; [L10697] static int volatile sequencer_busy ; [L10698] static int output_threshold ; [L10699] static long pre_event_timeout ; [L10700] static unsigned int synth_open_mask ; [L12921] static int volatile initialized ; [L12922] static int volatile opened ; [L12923] static int volatile tmr_running ; [L12924] static time_t volatile tmr_offs ; [L12925] static time_t volatile tmr_ctr ; [L12926] static unsigned long volatile ticks_offs ; [L12927] static int volatile curr_tempo ; [L12928] static int volatile curr_timebase ; [L12929] static unsigned long volatile curr_ticks ; [L12930] static unsigned long volatile next_event_time ; [L12931] static unsigned long prev_event_time___0 ; [L12932] static unsigned long volatile usecs_per_tmr ; [L12933] static struct sound_lowlev_timer *tmr___0 ; [L12934] static spinlock_t lock___1 = {{{{0U}, 3735899821U, 4294967295U, (void *)-1, {0, 0, "lock", 0, 0UL}}}}; [L13281-L13284] static struct sound_timer_operations sound_timer = {& __this_module, {{'S', 'o', 'u', 'n', 'd', ' ', 'T', 'i', 'm', 'e', 'r', '\000'}, 0}, 1, 0, & timer_open, & timer_close, & timer_event, & timer_get_time, & timer_ioctl, & timer_arm}; [L13339] int ldv_retval_3 ; [L13493] static int volatile opened___0 ; [L13494] static int volatile tmr_running___0 ; [L13495] static time_t volatile tmr_offs___0 ; [L13496] static time_t volatile tmr_ctr___0 ; [L13497] static unsigned long volatile ticks_offs___0 ; [L13498] static int volatile curr_tempo___0 ; [L13499] static int volatile curr_timebase___0 ; [L13500] static unsigned long volatile curr_ticks___0 ; [L13501] static unsigned long volatile next_event_time___0 ; [L13502] static unsigned long prev_event_time___1 ; [L13504] static spinlock_t lock___2 = {{{{0U}, 3735899821U, 4294967295U, (void *)-1, {0, 0, "lock", 0, 0UL}}}}; [L13505-L13511] static struct timer_list def_tmr = {{0, (struct list_head *)1953723489}, 0UL, & boot_tvec_bases, & poll_def_tmr, 0UL, 0, 0, {(char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0}, 0, {(struct lock_class_key *)"/home/ldvuser/gratinskiy/commit-tester-runs/6-cpa-svcomp-newdeg/commit-tester-work/task-176--linux-torvalds--dir/work/current--X--sound/oss/sound.ko--X--defaultlinux-torvalds-645ef9e--X--32_7a--X--cpachecker/linux-torvalds-645ef9e/csd_deg_dscv/29/dscv_tempdir/dscv/ri/32_7a/sound/oss/sys_timer.o.c.prepared:71", 0, "/home/ldvuser/gratinskiy/commit-tester-runs/6-cpa-svcomp-newdeg/commit-tester-work/task-176--linux-torvalds--dir/work/current--X--sound/oss/sound.ko--X--defaultlinux-torvalds-645ef9e--X--32_7a--X--cpachecker/linux-torvalds-645ef9e/csd_deg_dscv/29/dscv_tempdir/dscv/ri/32_7a/sound/oss/sys_timer.o.c.prepared:71", 0, 0UL}}; [L13966-L13969] struct sound_timer_operations default_sound_timer = {& __this_module, {{'S', 'y', 's', 't', 'e', 'm', ' ', 'c', 'l', 'o', 'c', 'k', '\000'}, 0}, 0, 0, & def_tmr_open, & def_tmr_close, & def_tmr_event, & def_tmr_get_time, & def_tmr_ioctl, & def_tmr_arm}; [L13970] int ldv_retval_1 ; [L14145] static int ldv_mutex_mutex_of_device ; [L14252] static int ldv_mutex_soundcard_mutex ; VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=0, ldv_mutex_soundcard_mutex=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=1, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4786] char *ldvarg11 ; [L4787] void *tmp ; [L4788] size_t ldvarg7 ; [L4789] size_t tmp___0 ; [L4790] loff_t ldvarg3 ; [L4791] loff_t tmp___1 ; [L4792] unsigned long ldvarg0 ; [L4793] unsigned long tmp___2 ; [L4794] struct poll_table_struct *ldvarg5 ; [L4795] void *tmp___3 ; [L4796] loff_t *ldvarg6 ; [L4797] void *tmp___4 ; [L4798] char *ldvarg8 ; [L4799] void *tmp___5 ; [L4800] unsigned int ldvarg1 ; [L4801] unsigned int tmp___6 ; [L4802] struct vm_area_struct *ldvarg4 ; [L4803] void *tmp___7 ; [L4804] size_t ldvarg10 ; [L4805] size_t tmp___8 ; [L4806] loff_t *ldvarg9 ; [L4807] void *tmp___9 ; [L4808] int ldvarg2 ; [L4809] int tmp___10 ; [L4810] unsigned long ldvarg36 ; [L4811] unsigned long tmp___11 ; [L4812] int tmp___12 ; [L4813] int tmp___13 ; [L4814] int tmp___14 ; [L4815] int tmp___15 ; VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=0, ldv_mutex_soundcard_mutex=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=1, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4817] CALL, EXPR ldv_zalloc(1UL) VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=0, ldv_mutex_soundcard_mutex=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=1, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L2906] void *p ; [L2907] void *tmp ; [L2908] int tmp___0 ; [L2910] tmp___0 = __VERIFIER_nondet_int() [L2911] COND TRUE tmp___0 != 0 [L2912] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=0, ldv_mutex_soundcard_mutex=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, size=1, sound_dmap_flag=1, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___0=1, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4817] RET, EXPR ldv_zalloc(1UL) VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=0, ldv_mutex_soundcard_mutex=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldv_zalloc(1UL)={0:0}, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=1, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4817] tmp = ldv_zalloc(1UL) [L4818] ldvarg11 = (char *)tmp [L4819] tmp___0 = __VERIFIER_nondet_size_t() [L4820] ldvarg7 = tmp___0 [L4821] tmp___1 = __VERIFIER_nondet_loff_t() [L4822] ldvarg3 = tmp___1 [L4823] tmp___2 = __VERIFIER_nondet_ulong() [L4824] ldvarg0 = tmp___2 VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=0, ldv_mutex_soundcard_mutex=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldvarg0=0, ldvarg11={0:0}, ldvarg3=-2, ldvarg7=18446744073709551613, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=1, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp={0:0}, tmp___0=18446744073709551613, tmp___1={101:0}, tmp___1=-2, tmp___2=0, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4825] CALL, EXPR ldv_zalloc(16UL) VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=0, ldv_mutex_soundcard_mutex=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=1, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L2906] void *p ; [L2907] void *tmp ; [L2908] int tmp___0 ; [L2910] tmp___0 = __VERIFIER_nondet_int() [L2911] COND TRUE tmp___0 != 0 [L2912] return ((void *)0); VAL [\old(size)=16, \result={0:0}, __this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=0, ldv_mutex_soundcard_mutex=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, size=16, sound_dmap_flag=1, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___0=1, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4825] RET, EXPR ldv_zalloc(16UL) VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=0, ldv_mutex_soundcard_mutex=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldv_zalloc(16UL)={0:0}, ldvarg0=0, ldvarg11={0:0}, ldvarg3=-2, ldvarg7=18446744073709551613, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=1, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp={0:0}, tmp___0=18446744073709551613, tmp___1={101:0}, tmp___1=-2, tmp___2={104:0}, tmp___2=0, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4825] tmp___3 = ldv_zalloc(16UL) [L4826] ldvarg5 = (struct poll_table_struct *)tmp___3 VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=0, ldv_mutex_soundcard_mutex=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldvarg0=0, ldvarg11={0:0}, ldvarg3=-2, ldvarg5={0:0}, ldvarg7=18446744073709551613, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=1, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp={0:0}, tmp___0=18446744073709551613, tmp___1={101:0}, tmp___1=-2, tmp___2={104:0}, tmp___2=0, tmp___3={0:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4827] CALL, EXPR ldv_zalloc(8UL) VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=0, ldv_mutex_soundcard_mutex=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=1, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L2906] void *p ; [L2907] void *tmp ; [L2908] int tmp___0 ; [L2910] tmp___0 = __VERIFIER_nondet_int() [L2911] COND TRUE tmp___0 != 0 [L2912] return ((void *)0); VAL [\old(size)=8, \result={0:0}, __this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=0, ldv_mutex_soundcard_mutex=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, size=8, sound_dmap_flag=1, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___0=1, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4827] RET, EXPR ldv_zalloc(8UL) VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=0, ldv_mutex_soundcard_mutex=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldv_zalloc(8UL)={0:0}, ldvarg0=0, ldvarg11={0:0}, ldvarg3=-2, ldvarg5={0:0}, ldvarg7=18446744073709551613, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=1, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp={0:0}, tmp___0=18446744073709551613, tmp___1={101:0}, tmp___1=-2, tmp___2=0, tmp___2={104:0}, tmp___3={106:0}, tmp___3={0:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4827] tmp___4 = ldv_zalloc(8UL) [L4828] ldvarg6 = (loff_t *)tmp___4 VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=0, ldv_mutex_soundcard_mutex=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldvarg0=0, ldvarg11={0:0}, ldvarg3=-2, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7=18446744073709551613, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=1, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp={0:0}, tmp___0=18446744073709551613, tmp___1=-2, tmp___1={101:0}, tmp___2=0, tmp___2={104:0}, tmp___3={0:0}, tmp___3={106:0}, tmp___4={108:0}, tmp___4={0:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4829] CALL, EXPR ldv_zalloc(1UL) VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=0, ldv_mutex_soundcard_mutex=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=1, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L2906] void *p ; [L2907] void *tmp ; [L2908] int tmp___0 ; [L2910] tmp___0 = __VERIFIER_nondet_int() [L2911] COND TRUE tmp___0 != 0 [L2912] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=0, ldv_mutex_soundcard_mutex=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, size=1, sound_dmap_flag=1, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___0=1, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4829] RET, EXPR ldv_zalloc(1UL) VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=0, ldv_mutex_soundcard_mutex=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldv_zalloc(1UL)={0:0}, ldvarg0=0, ldvarg11={0:0}, ldvarg3=-2, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7=18446744073709551613, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=1, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp={0:0}, tmp___0=18446744073709551613, tmp___1=-2, tmp___1={101:0}, tmp___2={104:0}, tmp___2=0, tmp___3={0:0}, tmp___3={106:0}, tmp___4={108:0}, tmp___4={0:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4829] tmp___5 = ldv_zalloc(1UL) [L4830] ldvarg8 = (char *)tmp___5 [L4831] tmp___6 = __VERIFIER_nondet_uint() [L4832] ldvarg1 = tmp___6 VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=0, ldv_mutex_soundcard_mutex=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldvarg0=0, ldvarg1=260, ldvarg11={0:0}, ldvarg3=-2, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7=18446744073709551613, ldvarg8={0:0}, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=1, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp={0:0}, tmp___0=18446744073709551613, tmp___1=-2, tmp___1={101:0}, tmp___2=0, tmp___2={104:0}, tmp___3={0:0}, tmp___3={106:0}, tmp___4={108:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=260, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4833] CALL, EXPR ldv_zalloc(184UL) VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=0, ldv_mutex_soundcard_mutex=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=1, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L2906] void *p ; [L2907] void *tmp ; [L2908] int tmp___0 ; [L2910] tmp___0 = __VERIFIER_nondet_int() [L2911] COND TRUE tmp___0 != 0 [L2912] return ((void *)0); VAL [\old(size)=184, \result={0:0}, __this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=0, ldv_mutex_soundcard_mutex=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, size=184, sound_dmap_flag=1, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___0=1, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4833] RET, EXPR ldv_zalloc(184UL) VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=0, ldv_mutex_soundcard_mutex=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldv_zalloc(184UL)={0:0}, ldvarg0=0, ldvarg1=260, ldvarg11={0:0}, ldvarg3=-2, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7=18446744073709551613, ldvarg8={0:0}, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=1, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp={0:0}, tmp___0=18446744073709551613, tmp___1=-2, tmp___1={101:0}, tmp___2=0, tmp___2={104:0}, tmp___3={0:0}, tmp___3={106:0}, tmp___4={108:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=260, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4833] tmp___7 = ldv_zalloc(184UL) [L4834] ldvarg4 = (struct vm_area_struct *)tmp___7 [L4835] tmp___8 = __VERIFIER_nondet_size_t() [L4836] ldvarg10 = tmp___8 VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=0, ldv_mutex_soundcard_mutex=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldvarg0=0, ldvarg1=260, ldvarg10=0, ldvarg11={0:0}, ldvarg3=-2, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7=18446744073709551613, ldvarg8={0:0}, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=1, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp={0:0}, tmp___0=18446744073709551613, tmp___1={101:0}, tmp___1=-2, tmp___2=0, tmp___2={104:0}, tmp___3={0:0}, tmp___3={106:0}, tmp___4={0:0}, tmp___4={108:0}, tmp___5={0:0}, tmp___6=260, tmp___7={0:0}, tmp___8=0, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4837] CALL, EXPR ldv_zalloc(8UL) VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=0, ldv_mutex_soundcard_mutex=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=1, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L2906] void *p ; [L2907] void *tmp ; [L2908] int tmp___0 ; [L2910] tmp___0 = __VERIFIER_nondet_int() [L2911] COND TRUE tmp___0 != 0 [L2912] return ((void *)0); VAL [\old(size)=8, \result={0:0}, __this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=0, ldv_mutex_soundcard_mutex=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, size=8, sound_dmap_flag=1, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___0=1, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4837] RET, EXPR ldv_zalloc(8UL) VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=0, ldv_mutex_soundcard_mutex=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldv_zalloc(8UL)={0:0}, ldvarg0=0, ldvarg1=260, ldvarg10=0, ldvarg11={0:0}, ldvarg3=-2, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7=18446744073709551613, ldvarg8={0:0}, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=1, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp={0:0}, tmp___0=18446744073709551613, tmp___1={101:0}, tmp___1=-2, tmp___2={104:0}, tmp___2=0, tmp___3={106:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___4={108:0}, tmp___5={0:0}, tmp___6=260, tmp___7={0:0}, tmp___8=0, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4837] tmp___9 = ldv_zalloc(8UL) [L4838] ldvarg9 = (loff_t *)tmp___9 [L4839] tmp___10 = __VERIFIER_nondet_int() [L4840] ldvarg2 = tmp___10 [L4841] tmp___11 = __VERIFIER_nondet_ulong() [L4842] ldvarg36 = tmp___11 [L4843] CALL ldv_initialize() [L14362] ldv_mutex_mutex_of_device = 1 [L14363] ldv_mutex_soundcard_mutex = 1 VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=1, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4843] RET ldv_initialize() [L4844] ldv_state_variable_6 = 0 [L4845] ldv_state_variable_4 = 0 [L4846] ldv_state_variable_1 = 0 [L4847] ref_cnt = 0 [L4848] ldv_state_variable_0 = 1 [L4849] ldv_state_variable_3 = 0 [L4850] ldv_state_variable_2 = 0 [L4851] ldv_state_variable_5 = 0 VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldvarg0=0, ldvarg1=260, ldvarg10=0, ldvarg11={0:0}, ldvarg2=-4, ldvarg3=-2, ldvarg36=4294967319, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7=18446744073709551613, ldvarg8={0:0}, ldvarg9={0:0}, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=1, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp={0:0}, tmp___0=18446744073709551613, tmp___1=-2, tmp___1={101:0}, tmp___10=-4, tmp___11=4294967319, tmp___2=0, tmp___2={104:0}, tmp___3={0:0}, tmp___3={106:0}, tmp___4={108:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=260, tmp___7={0:0}, tmp___8=0, tmp___9={0:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4853] tmp___12 = __VERIFIER_nondet_int() [L4855] case 0: [L4942] case 1: [L4948] case 2: [L4954] case 3: VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldvarg0=0, ldvarg1=260, ldvarg10=0, ldvarg11={0:0}, ldvarg2=-4, ldvarg3=-2, ldvarg36=4294967319, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7=18446744073709551613, ldvarg8={0:0}, ldvarg9={0:0}, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=1, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp={0:0}, tmp___0=18446744073709551613, tmp___1=-2, tmp___1={101:0}, tmp___10=-4, tmp___11=4294967319, tmp___12=3, tmp___2=0, tmp___2={104:0}, tmp___3={106:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___4={108:0}, tmp___5={0:0}, tmp___6=260, tmp___7={0:0}, tmp___8=0, tmp___9={0:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4955] COND TRUE ldv_state_variable_0 != 0 [L4956] tmp___14 = __VERIFIER_nondet_int() [L4958] case 0: [L4966] case 1: VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldvarg0=0, ldvarg1=260, ldvarg10=0, ldvarg11={0:0}, ldvarg2=-4, ldvarg3=-2, ldvarg36=4294967319, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7=18446744073709551613, ldvarg8={0:0}, ldvarg9={0:0}, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=1, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp={0:0}, tmp___0=18446744073709551613, tmp___1={101:0}, tmp___1=-2, tmp___10=-4, tmp___11=4294967319, tmp___12=3, tmp___14=1, tmp___2=0, tmp___2={104:0}, tmp___3={0:0}, tmp___3={106:0}, tmp___4={0:0}, tmp___4={108:0}, tmp___5={0:0}, tmp___6=260, tmp___7={0:0}, tmp___8=0, tmp___9={0:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4967] COND TRUE ldv_state_variable_0 == 1 [L4968] CALL, EXPR oss_init() [L4518] int err ; [L4519] int i ; [L4520] int j ; VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=1, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4522] COND FALSE !(dmabug != 0) VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=1, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4526] CALL, EXPR create_special_devices() [L4494] int seq1 ; [L4495] int seq2 ; VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=1, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4497] CALL, EXPR register_sound_special(& oss_sound_fops, 1) VAL [\old(arg1)=1, __this_module={4294967313:4294967321}, arg0={115:0}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=1, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L14507] return __VERIFIER_nondet_int(); [L4497] RET, EXPR register_sound_special(& oss_sound_fops, 1) VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, register_sound_special(& oss_sound_fops, 1)=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=1, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4497] seq1 = register_sound_special(& oss_sound_fops, 1) [L4498] COND FALSE !(seq1 == -1) VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq1=0, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=1, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4502] CALL, EXPR register_sound_special(& oss_sound_fops, 8) VAL [\old(arg1)=8, __this_module={4294967313:4294967321}, arg0={115:0}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=1, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L14507] return __VERIFIER_nondet_int(); [L4502] RET, EXPR register_sound_special(& oss_sound_fops, 8) VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, register_sound_special(& oss_sound_fops, 8)=0, semitone_tuning={136:0}, seq1=0, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=1, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4502] seq2 = register_sound_special(& oss_sound_fops, 8) [L4503] COND TRUE seq2 != -1 [L4504] return (0); VAL [\result=0, __this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq1=0, seq2=0, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=1, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4526] RET, EXPR create_special_devices() [L4526] err = create_special_devices() [L4527] COND FALSE !(err != 0) [L4532] sound_dmap_flag = dmabuf > 0 [L4533] i = 0 VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, err=0, i=0, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4556] COND TRUE (unsigned int )i <= 1U VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, err=0, i=0, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4536] dev_list[i].minor [L4537] dev_list[i].name [L4538] EXPR dev_list[i].num VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dev_list[i].num={103:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, err=0, i=0, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4538] COND FALSE !((unsigned long )dev_list[i].num == (unsigned long )((int * )0)) [L4542] j = 1 VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, err=0, i=0, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, j=1, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4549] EXPR dev_list[i].num VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dev_list[i].num={103:0}, dev_list[i].num=0, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, err=0, i=0, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, j=1, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4549] COND FALSE !(*(dev_list[i].num) > j) [L4554] i = i + 1 VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, err=0, i=1, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, j=1, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4556] COND TRUE (unsigned int )i <= 1U VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, err=0, i=1, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, j=1, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4536] dev_list[i].minor [L4537] dev_list[i].name [L4538] EXPR dev_list[i].num VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dev_list[i].num={103:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, err=0, i=1, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, j=1, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4538] COND FALSE !((unsigned long )dev_list[i].num == (unsigned long )((int * )0)) [L4542] j = 1 VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, err=0, i=1, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, j=1, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4549] EXPR dev_list[i].num VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dev_list[i].num=0, dev_list[i].num={103:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, err=0, i=1, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, j=1, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4549] COND FALSE !(*(dev_list[i].num) > j) [L4554] i = i + 1 VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, err=0, i=2, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, j=1, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4556] COND FALSE !((unsigned int )i <= 1U) VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, err=0, i=2, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, j=1, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4560] COND FALSE !(sound_nblocks > 1022) VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, err=0, i=2, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, j=1, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4564] return (0); VAL [\result=0, __this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, err=0, i=2, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, j=1, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4968] RET, EXPR oss_init() [L4968] ldv_retval_2 = oss_init() [L4969] COND FALSE !(ldv_retval_2 != 0) VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldvarg0=0, ldvarg1=260, ldvarg10=0, ldvarg11={0:0}, ldvarg2=-4, ldvarg3=-2, ldvarg36=4294967319, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7=18446744073709551613, ldvarg8={0:0}, ldvarg9={0:0}, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp={0:0}, tmp___0=18446744073709551613, tmp___1=-2, tmp___1={101:0}, tmp___10=-4, tmp___11=4294967319, tmp___12=3, tmp___14=1, tmp___2={104:0}, tmp___2=0, tmp___3={106:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___4={108:0}, tmp___5={0:0}, tmp___6=260, tmp___7={0:0}, tmp___8=0, tmp___9={0:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4974] COND TRUE ldv_retval_2 == 0 [L4975] ldv_state_variable_0 = 2 [L4976] ldv_state_variable_5 = 1 [L4977] ldv_state_variable_2 = 1 [L4978] ldv_state_variable_3 = 1 [L4979] ldv_state_variable_1 = 1 [L4980] ldv_state_variable_4 = 1 [L4981] ldv_state_variable_6 = 1 [L4982] CALL ldv_file_operations_6() [L4770] void *tmp ; [L4771] void *tmp___0 ; VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4773] CALL, EXPR ldv_zalloc(1000UL) VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L2906] void *p ; [L2907] void *tmp ; [L2908] int tmp___0 ; [L2910] tmp___0 = __VERIFIER_nondet_int() [L2911] COND TRUE tmp___0 != 0 [L2912] return ((void *)0); VAL [\old(size)=1000, \result={0:0}, __this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, size=1000, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___0=1, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4773] RET, EXPR ldv_zalloc(1000UL) VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ldv_zalloc(1000UL)={0:0}, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4773] tmp = ldv_zalloc(1000UL) [L4774] oss_sound_fops_group1 = (struct inode *)tmp VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp={0:0}, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4775] CALL, EXPR ldv_zalloc(320UL) VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L2906] void *p ; [L2907] void *tmp ; [L2908] int tmp___0 ; [L2910] tmp___0 = __VERIFIER_nondet_int() [L2911] COND TRUE tmp___0 != 0 [L2912] return ((void *)0); VAL [\old(size)=320, \result={0:0}, __this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, size=320, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___0=1, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4775] RET, EXPR ldv_zalloc(320UL) VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ldv_zalloc(320UL)={0:0}, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp={0:0}, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4775] tmp___0 = ldv_zalloc(320UL) [L4776] oss_sound_fops_group2 = (struct file *)tmp___0 VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp={0:0}, tmp___0={0:0}, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4982] RET ldv_file_operations_6() [L4853] tmp___12 = __VERIFIER_nondet_int() [L4855] case 0: VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ldvarg0=0, ldvarg1=260, ldvarg10=0, ldvarg11={0:0}, ldvarg2=-4, ldvarg3=-2, ldvarg36=4294967319, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7=18446744073709551613, ldvarg8={0:0}, ldvarg9={0:0}, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp={0:0}, tmp___0=18446744073709551613, tmp___1=-2, tmp___1={101:0}, tmp___10=-4, tmp___11=4294967319, tmp___12=0, tmp___14=1, tmp___2={104:0}, tmp___2=0, tmp___3={106:0}, tmp___3={0:0}, tmp___4={108:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=260, tmp___7={0:0}, tmp___8=0, tmp___9={0:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4856] COND TRUE ldv_state_variable_6 != 0 [L4857] tmp___13 = __VERIFIER_nondet_int() [L4859] case 0: [L4871] case 1: [L4878] case 2: [L4890] case 3: VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ldvarg0=0, ldvarg1=260, ldvarg10=0, ldvarg11={0:0}, ldvarg2=-4, ldvarg3=-2, ldvarg36=4294967319, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7=18446744073709551613, ldvarg8={0:0}, ldvarg9={0:0}, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp={0:0}, tmp___0=18446744073709551613, tmp___1=-2, tmp___1={101:0}, tmp___10=-4, tmp___11=4294967319, tmp___12=0, tmp___13=3, tmp___14=1, tmp___2={104:0}, tmp___2=0, tmp___3={0:0}, tmp___3={106:0}, tmp___4={108:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=260, tmp___7={0:0}, tmp___8=0, tmp___9={0:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4891] COND TRUE ldv_state_variable_6 == 1 [L4892] CALL, EXPR sound_open(oss_sound_fops_group1, oss_sound_fops_group2) [L4081] int dev ; [L4082] unsigned int tmp ; [L4083] int retval ; [L4084] int tmp___0 ; VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, file={0:0}, file={0:0}, initialized=0, inode={0:0}, inode={0:0}, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4086] CALL, EXPR iminor((struct inode const *)inode) VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, inode={0:0}, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L3404] EXPR inode->i_rdev [L3404] return ((unsigned int )inode->i_rdev & 1048575U); [L4086] RET, EXPR iminor((struct inode const *)inode) VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, file={0:0}, file={0:0}, iminor((struct inode const *)inode)=4294967312, initialized=0, inode={0:0}, inode={0:0}, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4086] tmp = iminor((struct inode const *)inode) [L4087] dev = (int )tmp VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev=16, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, file={0:0}, file={0:0}, initialized=0, inode={0:0}, inode={0:0}, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp=16, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4088] COND FALSE !(dev > 255 || dev < 0) [L4093] CALL ldv_mutex_lock_14(& soundcard_mutex) [L5099] CALL ldv_mutex_lock_soundcard_mutex(ldv_func_arg1) VAL [\old(ldv_mutex_soundcard_mutex)=1, __this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, lock___3={112:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L14290] COND TRUE ldv_mutex_soundcard_mutex == 1 VAL [\old(ldv_mutex_soundcard_mutex)=1, __this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, lock___3={112:0}, lock___3={112:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L14294] ldv_mutex_soundcard_mutex = 2 VAL [\old(ldv_mutex_soundcard_mutex)=1, __this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=2, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, lock___3={112:0}, lock___3={112:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L5099] RET ldv_mutex_lock_soundcard_mutex(ldv_func_arg1) VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, ldv_func_arg1={112:0}, ldv_func_arg1={112:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=2, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L5100] FCALL mutex_lock(ldv_func_arg1) VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, ldv_func_arg1={112:0}, ldv_func_arg1={112:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=2, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4093] RET ldv_mutex_lock_14(& soundcard_mutex) [L4095] case 0: [L4096] dev = dev >> 4 [L4097] (dev >= 0 && dev <= 4) && (unsigned long )mixer_devs[dev] == (unsigned long )((struct mixer_operations *)0) [L4097] EXPR mixer_devs[dev] [L4097] (dev >= 0 && dev <= 4) && (unsigned long )mixer_devs[dev] == (unsigned long )((struct mixer_operations *)0) VAL [(dev >= 0 && dev <= 4) && (unsigned long )mixer_devs[dev] == (unsigned long )((struct mixer_operations *)0)=0, __this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev=1, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, file={0:0}, file={0:0}, initialized=0, inode={0:0}, inode={0:0}, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=2, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_devs[dev]={104:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp=16, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4097] COND FALSE !((dev >= 0 && dev <= 4) && (unsigned long )mixer_devs[dev] == (unsigned long )((struct mixer_operations *)0)) [L4101] retval = -6 [L4102] dev != 0 && (dev >= num_mixers || (unsigned long )mixer_devs[dev] == (unsigned long )((struct mixer_operations *)0)) [L4102] EXPR dev >= num_mixers || (unsigned long )mixer_devs[dev] == (unsigned long )((struct mixer_operations *)0) VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev=1, dev != 0 && (dev >= num_mixers || (unsigned long )mixer_devs[dev] == (unsigned long )((struct mixer_operations *)0))=1, dev >= num_mixers || (unsigned long )mixer_devs[dev] == (unsigned long )((struct mixer_operations *)0)=1, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, file={0:0}, file={0:0}, initialized=0, inode={0:0}, inode={0:0}, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=2, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, retval=-6, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp=16, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4102] dev != 0 && (dev >= num_mixers || (unsigned long )mixer_devs[dev] == (unsigned long )((struct mixer_operations *)0)) VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev=1, dev != 0 && (dev >= num_mixers || (unsigned long )mixer_devs[dev] == (unsigned long )((struct mixer_operations *)0))=1, dev >= num_mixers || (unsigned long )mixer_devs[dev] == (unsigned long )((struct mixer_operations *)0)=1, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, file={0:0}, file={0:0}, initialized=0, inode={0:0}, inode={0:0}, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=2, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, retval=-6, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp=16, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4102] COND TRUE dev != 0 && (dev >= num_mixers || (unsigned long )mixer_devs[dev] == (unsigned long )((struct mixer_operations *)0)) [L4130] CALL ldv_mutex_unlock_15(& soundcard_mutex) [L5107] CALL ldv_mutex_unlock_soundcard_mutex(ldv_func_arg1) VAL [\old(ldv_mutex_soundcard_mutex)=2, __this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=2, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, lock___3={112:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L14351] COND TRUE ldv_mutex_soundcard_mutex == 2 VAL [\old(ldv_mutex_soundcard_mutex)=2, __this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=2, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, lock___3={112:0}, lock___3={112:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L14355] ldv_mutex_soundcard_mutex = 1 VAL [\old(ldv_mutex_soundcard_mutex)=2, __this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, lock___3={112:0}, lock___3={112:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L5107] RET ldv_mutex_unlock_soundcard_mutex(ldv_func_arg1) VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, ldv_func_arg1={112:0}, ldv_func_arg1={112:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L5108] FCALL mutex_unlock(ldv_func_arg1) VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, ldv_func_arg1={112:0}, ldv_func_arg1={112:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4130] RET ldv_mutex_unlock_15(& soundcard_mutex) [L4131] return (0); VAL [\result=0, __this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev=1, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, file={0:0}, file={0:0}, initialized=0, inode={0:0}, inode={0:0}, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=0, retval=-6, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp=16, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4892] RET, EXPR sound_open(oss_sound_fops_group1, oss_sound_fops_group2) [L4892] ldv_retval_0 = sound_open(oss_sound_fops_group1, oss_sound_fops_group2) [L4893] COND TRUE ldv_retval_0 == 0 [L4894] ldv_state_variable_6 = 2 [L4895] ref_cnt = ref_cnt + 1 VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=2, ldvarg0=0, ldvarg1=260, ldvarg10=0, ldvarg11={0:0}, ldvarg2=-4, ldvarg3=-2, ldvarg36=4294967319, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7=18446744073709551613, ldvarg8={0:0}, ldvarg9={0:0}, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=1, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp={0:0}, tmp___0=18446744073709551613, tmp___1={101:0}, tmp___1=-2, tmp___10=-4, tmp___11=4294967319, tmp___12=0, tmp___13=3, tmp___14=1, tmp___2=0, tmp___2={104:0}, tmp___3={106:0}, tmp___3={0:0}, tmp___4={108:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=260, tmp___7={0:0}, tmp___8=0, tmp___9={0:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4853] tmp___12 = __VERIFIER_nondet_int() [L4855] case 0: VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=2, ldvarg0=0, ldvarg1=260, ldvarg10=0, ldvarg11={0:0}, ldvarg2=-4, ldvarg3=-2, ldvarg36=4294967319, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7=18446744073709551613, ldvarg8={0:0}, ldvarg9={0:0}, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=1, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp={0:0}, tmp___0=18446744073709551613, tmp___1=-2, tmp___1={101:0}, tmp___10=-4, tmp___11=4294967319, tmp___12=0, tmp___13=3, tmp___14=1, tmp___2={104:0}, tmp___2=0, tmp___3={106:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___4={108:0}, tmp___5={0:0}, tmp___6=260, tmp___7={0:0}, tmp___8=0, tmp___9={0:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4856] COND TRUE ldv_state_variable_6 != 0 [L4857] tmp___13 = __VERIFIER_nondet_int() [L4859] case 0: [L4871] case 1: [L4878] case 2: [L4890] case 3: [L4901] case 4: [L4913] case 5: [L4921] case 6: [L4928] case 7: VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=2, ldvarg0=0, ldvarg1=260, ldvarg10=0, ldvarg11={0:0}, ldvarg2=-4, ldvarg3=-2, ldvarg36=4294967319, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7=18446744073709551613, ldvarg8={0:0}, ldvarg9={0:0}, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=1, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp={0:0}, tmp___0=18446744073709551613, tmp___1={101:0}, tmp___1=-2, tmp___10=-4, tmp___11=4294967319, tmp___12=0, tmp___13=7, tmp___14=1, tmp___2={104:0}, tmp___2=0, tmp___3={0:0}, tmp___3={106:0}, tmp___4={108:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=260, tmp___7={0:0}, tmp___8=0, tmp___9={0:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4929] COND TRUE ldv_state_variable_6 == 2 [L4930] CALL sound_ioctl(oss_sound_fops_group2, ldvarg1, ldvarg0) [L4243] int len ; [L4244] int dtype ; [L4245] int dev ; [L4246] unsigned int tmp ; [L4247] long ret ; [L4248] void *p ; [L4249] unsigned long flag ; [L4250] unsigned long roksum ; [L4251] struct thread_info *tmp___0 ; [L4252] long tmp___1 ; [L4253] unsigned long flag___0 ; [L4254] unsigned long roksum___0 ; [L4255] struct thread_info *tmp___2 ; [L4256] long tmp___3 ; [L4257] int __pu_err ; [L4258] int tmp___4 ; [L4259] int tmp___5 ; [L4260] int tmp___6 ; [L4261] int tmp___7 ; [L4262] int tmp___8 ; [L4263] int tmp___9 ; [L4264] int tmp___10 ; [L4265] int tmp___11 ; [L4267] len = 0 [L4268] EXPR file->f_path.dentry [L4268] EXPR (file->f_path.dentry)->d_inode VAL [(file->f_path.dentry)->d_inode={4294967318:4294967314}, \old(arg)=0, \old(cmd)=260, __this_module={4294967313:4294967321}, arg=0, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, cmd=260, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, file={0:0}, file={0:0}, file->f_path.dentry={4294967326:-78}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=2, len=0, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=1, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4268] CALL, EXPR iminor((struct inode const *)(file->f_path.dentry)->d_inode) VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, inode={4294967318:4294967314}, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=2, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=1, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L3404] EXPR inode->i_rdev [L3404] return ((unsigned int )inode->i_rdev & 1048575U); [L4268] RET, EXPR iminor((struct inode const *)(file->f_path.dentry)->d_inode) VAL [(file->f_path.dentry)->d_inode={4294967318:4294967314}, \old(arg)=0, \old(cmd)=260, __this_module={4294967313:4294967321}, arg=0, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, cmd=260, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, file={0:0}, file={0:0}, file->f_path.dentry={4294967326:-78}, iminor((struct inode const *)(file->f_path.dentry)->d_inode)=4294967168, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=2, len=0, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=1, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4268] tmp = iminor((struct inode const *)(file->f_path.dentry)->d_inode) [L4269] dev = (int )tmp [L4270] ret = -22L [L4271] p = (void *)arg VAL [\old(arg)=0, \old(cmd)=260, __this_module={4294967313:4294967321}, arg=0, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, cmd=260, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev=-128, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, file={0:0}, file={0:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=2, len=0, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, p={0:0}, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=1, ret=-22, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp=4294967168, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4272] COND FALSE !(cmd >> 30 != 0U && cmd >> 30 != 0U) VAL [\old(arg)=0, \old(cmd)=260, __this_module={4294967313:4294967321}, arg=0, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, cmd=260, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev=-128, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, file={0:0}, file={0:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=2, len=0, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, p={0:0}, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=1, ret=-22, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp=4294967168, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4302] COND FALSE !(cmd == 2147765622U) [L4328] CALL ldv_mutex_lock_18(& soundcard_mutex) [L5131] CALL ldv_mutex_lock_soundcard_mutex(ldv_func_arg1) VAL [\old(ldv_mutex_soundcard_mutex)=1, __this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=2, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, lock___3={112:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=1, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L14290] COND TRUE ldv_mutex_soundcard_mutex == 1 VAL [\old(ldv_mutex_soundcard_mutex)=1, __this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=2, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, lock___3={112:0}, lock___3={112:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=1, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L14294] ldv_mutex_soundcard_mutex = 2 VAL [\old(ldv_mutex_soundcard_mutex)=1, __this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=2, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=2, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, lock___3={112:0}, lock___3={112:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=1, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L5131] RET ldv_mutex_lock_soundcard_mutex(ldv_func_arg1) VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, ldv_func_arg1={112:0}, ldv_func_arg1={112:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=2, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=2, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=1, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L5132] FCALL mutex_lock(ldv_func_arg1) VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, ldv_func_arg1={112:0}, ldv_func_arg1={112:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=2, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=2, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=1, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4328] RET ldv_mutex_lock_18(& soundcard_mutex) [L4329] COND FALSE !((((cmd >> 8) & 255U) == 77U && num_mixers > 0) && (dev & 15) != 0) [L4349] case 0: [L4362] case 1: VAL [\old(arg)=0, \old(cmd)=260, __this_module={4294967313:4294967321}, arg=0, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, cmd=260, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev=-128, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, file={0:0}, file={0:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=2, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=2, len=0, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, p={0:0}, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=1, ret=-22, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp=4294967168, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4363] case 8: [L4367] case 3: VAL [\old(arg)=0, \old(cmd)=260, __this_module={4294967313:4294967321}, arg=0, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, cmd=260, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev=-128, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, file={0:0}, file={0:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=2, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=2, len=0, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, p={0:0}, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=1, ret=-22, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp=4294967168, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4368] case 5: VAL [\old(arg)=0, \old(cmd)=260, __this_module={4294967313:4294967321}, arg=0, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, cmd=260, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev=-128, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, file={0:0}, file={0:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=2, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=2, len=0, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, p={0:0}, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=1, ret=-22, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp=4294967168, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4369] case 4: [L4370] CALL, EXPR audio_ioctl(dev, file, cmd, p) [L6060] int val ; [L6061] int count ; [L6062] unsigned long flags ; [L6063] struct dma_buffparms *dmap ; [L6064] int *p ; [L6065] int tmp ; [L6066] int __ret_gu ; [L6067] unsigned long __val_gu ; [L6068] int tmp___0 ; [L6069] int tmp___1 ; [L6070] int __ret_gu___0 ; [L6071] unsigned long __val_gu___0 ; [L6072] int __ret_gu___1 ; [L6073] unsigned long __val_gu___1 ; [L6074] short tmp___2 ; [L6075] int __ret_gu___2 ; [L6076] unsigned long __val_gu___2 ; [L6077] short tmp___3 ; [L6078] short tmp___4 ; [L6079] unsigned int tmp___5 ; [L6080] int __ret_gu___3 ; [L6081] unsigned long __val_gu___3 ; [L6082] raw_spinlock_t *tmp___6 ; [L6083] int tmp___7 ; [L6084] int __ret_pu ; [L6085] int __pu_val ; [L6087] p = (int *)arg [L6088] dev = dev >> 4 VAL [\old(cmd)=260, \old(dev)=-128, __this_module={4294967313:4294967321}, arg={0:0}, arg={0:0}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, cmd=260, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev=-8, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, file={0:0}, file={0:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=2, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=2, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, p={0:0}, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=1, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L6089] COND TRUE ((cmd >> 8) & 255U) == 67U [L6090] EXPR audio_devs[dev] [L6090] EXPR (audio_devs[dev])->coproc VAL [(audio_devs[dev])->coproc={0:0}, \old(cmd)=260, \old(dev)=-128, __this_module={4294967313:4294967321}, arg={0:0}, arg={0:0}, audio_devs={102:0}, audio_devs[dev]={4294967327:-185}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, cmd=260, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev=-8, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, file={0:0}, file={0:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=2, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=2, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, p={0:0}, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=1, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L6090] COND FALSE !((unsigned long )(audio_devs[dev])->coproc != (unsigned long )((struct coproc_operations *)0)) [L6096] return (-6); VAL [\old(cmd)=260, \old(dev)=-128, \result=-6, __this_module={4294967313:4294967321}, arg={0:0}, arg={0:0}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, cmd=260, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev=-8, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, file={0:0}, file={0:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=2, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=2, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, p={0:0}, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=1, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4370] RET, EXPR audio_ioctl(dev, file, cmd, p) [L4370] tmp___10 = audio_ioctl(dev, file, cmd, p) [L4371] return ((long )tmp___10); VAL [\old(arg)=0, \old(cmd)=260, \result=-6, __this_module={4294967313:4294967321}, arg=0, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, cmd=260, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev=-128, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, file={0:0}, file={0:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=2, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=2, len=0, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, p={0:0}, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=1, ret=-22, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp=4294967168, tmp___1={101:0}, tmp___10=-6, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4930] RET sound_ioctl(oss_sound_fops_group2, ldvarg1, ldvarg0) [L4931] ldv_state_variable_6 = 2 VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=2, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=2, ldvarg0=0, ldvarg1=260, ldvarg10=0, ldvarg11={0:0}, ldvarg2=-4, ldvarg3=-2, ldvarg36=4294967319, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7=18446744073709551613, ldvarg8={0:0}, ldvarg9={0:0}, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=1, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp={0:0}, tmp___0=18446744073709551613, tmp___1={101:0}, tmp___1=-2, tmp___10=-4, tmp___11=4294967319, tmp___12=0, tmp___13=7, tmp___14=1, tmp___2=0, tmp___2={104:0}, tmp___3={106:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___4={108:0}, tmp___5={0:0}, tmp___6=260, tmp___7={0:0}, tmp___8=0, tmp___9={0:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4853] tmp___12 = __VERIFIER_nondet_int() [L4855] case 0: VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=2, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=2, ldvarg0=0, ldvarg1=260, ldvarg10=0, ldvarg11={0:0}, ldvarg2=-4, ldvarg3=-2, ldvarg36=4294967319, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7=18446744073709551613, ldvarg8={0:0}, ldvarg9={0:0}, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=1, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp={0:0}, tmp___0=18446744073709551613, tmp___1={101:0}, tmp___1=-2, tmp___10=-4, tmp___11=4294967319, tmp___12=0, tmp___13=7, tmp___14=1, tmp___2=0, tmp___2={104:0}, tmp___3={0:0}, tmp___3={106:0}, tmp___4={108:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=260, tmp___7={0:0}, tmp___8=0, tmp___9={0:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4856] COND TRUE ldv_state_variable_6 != 0 [L4857] tmp___13 = __VERIFIER_nondet_int() [L4859] case 0: [L4871] case 1: VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=2, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=2, ldvarg0=0, ldvarg1=260, ldvarg10=0, ldvarg11={0:0}, ldvarg2=-4, ldvarg3=-2, ldvarg36=4294967319, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6={0:0}, ldvarg7=18446744073709551613, ldvarg8={0:0}, ldvarg9={0:0}, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=1, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp={0:0}, tmp___0=18446744073709551613, tmp___1=-2, tmp___1={101:0}, tmp___10=-4, tmp___11=4294967319, tmp___12=0, tmp___13=1, tmp___14=1, tmp___2={104:0}, tmp___2=0, tmp___3={106:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___4={108:0}, tmp___5={0:0}, tmp___6=260, tmp___7={0:0}, tmp___8=0, tmp___9={0:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4872] COND TRUE ldv_state_variable_6 == 2 [L4873] CALL sound_read(oss_sound_fops_group2, ldvarg8, ldvarg7, ldvarg6) [L4023] int dev ; [L4024] unsigned int tmp ; [L4025] int ret ; [L4027] EXPR file->f_path.dentry [L4027] EXPR (file->f_path.dentry)->d_inode VAL [(file->f_path.dentry)->d_inode={4294967318:4294967314}, \old(count)=-3, __this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, buf={0:0}, buf={0:0}, cent_tuning={137:0}, count=-3, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, file={0:0}, file={0:0}, file->f_path.dentry={4294967326:-78}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=2, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=2, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, ppos={0:0}, ppos={0:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=1, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4027] CALL, EXPR iminor((struct inode const *)(file->f_path.dentry)->d_inode) VAL [__this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, inode={4294967318:4294967314}, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=2, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=2, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=1, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L3404] EXPR inode->i_rdev [L3404] return ((unsigned int )inode->i_rdev & 1048575U); [L4027] RET, EXPR iminor((struct inode const *)(file->f_path.dentry)->d_inode) VAL [(file->f_path.dentry)->d_inode={4294967318:4294967314}, \old(count)=-3, __this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, buf={0:0}, buf={0:0}, cent_tuning={137:0}, count=-3, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, file={0:0}, file={0:0}, file->f_path.dentry={4294967326:-78}, iminor((struct inode const *)(file->f_path.dentry)->d_inode)=0, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=2, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=2, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, ppos={0:0}, ppos={0:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=1, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L4027] tmp = iminor((struct inode const *)(file->f_path.dentry)->d_inode) [L4028] dev = (int )tmp [L4029] ret = -22 [L4030] CALL ldv_mutex_lock_10(& soundcard_mutex) [L5067] CALL ldv_mutex_lock_soundcard_mutex(ldv_func_arg1) VAL [\old(ldv_mutex_soundcard_mutex)=2, __this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=2, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=2, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, lock___3={112:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=1, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L14290] COND FALSE !(ldv_mutex_soundcard_mutex == 1) VAL [\old(ldv_mutex_soundcard_mutex)=2, __this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=2, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=2, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, lock___3={112:0}, lock___3={112:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=1, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L14292] CALL ldv_error() VAL [\old(ldv_mutex_soundcard_mutex)=2, __this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=2, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=2, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=1, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] [L2941] reach_error() VAL [\old(ldv_mutex_soundcard_mutex)=2, __this_module={4294967313:4294967321}, audio_devs={102:0}, boot_tvec_bases={4294967315:4294967316}, cent_tuning={137:0}, ctrl_def_values={130:0}, curr_tempo=0, curr_tempo___0=0, curr_ticks=0, curr_ticks___0=0, curr_timebase=0, curr_timebase___0=0, debugmem=0, def_tmr={141:0}, default_sound_timer={142:0}, dev_list={116:0}, dma_alloc_map={113:0}, dma_buffsize=65536, dmabuf=0, dmabug=0, dsp_ulaw={119:0}, initialized=0, input_sleeper={124:0}, iqhead=0, iqlen=0, iqtail=0, iqueue={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_mutex_of_device=1, ldv_mutex_soundcard_mutex=2, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=2, lock={129:0}, lock___0={131:0}, lock___1={138:0}, lock___2={140:0}, max_mididev=0, max_synthdev=0, midi2synth={120:0}, midi_devs={109:0}, midi_in_buf={126:0}, midi_opened={134:0}, midi_out_buf={125:0}, midi_sleeper={123:0}, midi_sleeper___0={133:0}, midi_written={135:0}, mixer_devs={105:0}, mixer_vols={114:0}, next_event_time=0, next_event_time___0=0, num_audiodevs={103:0}, num_midis=0, num_mixer_volumes=0, num_mixers=0, num_sound_timers=1, num_synths=0, obsolete_api_used=0, open_devs=0, opened=0, opened___0=0, oss_sound_fops={115:0}, oss_sound_fops_group1={0:0}, oss_sound_fops_group2={0:0}, output_threshold=0, parms={127:0}, pending_timer=-1, poll_timer={128:0}, pre_event_timeout=0, prev_event_time=0, prev_event_time___0=0, prev_event_time___1=0, prev_input_time=0, prev_out_status={122:0}, qhead=0, qlen=0, qtail=0, queue={0:0}, ref_cnt=1, semitone_tuning={136:0}, seq_mode=1, seq_playing=0, seq_sleeper={132:0}, seq_time=0, seq_timer={117:0}, sequencer_busy=0, sequencer_ok=0, sound_dmap_flag=0, sound_mem_blocks={111:0}, sound_nblocks=0, sound_timer={139:0}, sound_timer_devs={110:0}, soundcard_mutex={112:0}, synth_devs={107:0}, synth_open_mask=0, sysex_state={121:0}, ticks_offs=0, ticks_offs___0=0, tmp___1={101:0}, tmp___2={104:0}, tmp___3={106:0}, tmp___4={108:0}, tmr={0:0}, tmr___0={0:0}, tmr_ctr=0, tmr_ctr___0=0, tmr_no=-1, tmr_offs=0, tmr_offs___0=0, tmr_running=0, tmr_running___0=0, ulaw_dsp={118:0}, usecs_per_tmr=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 137 procedures, 3788 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 485.6s, OverallIterations: 19, TraceHistogramMax: 8, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.3s, AutomataDifference: 452.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 20 mSolverCounterUnknown, 153609 SdHoareTripleChecker+Valid, 435.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 145969 mSDsluCounter, 302085 SdHoareTripleChecker+Invalid, 380.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 188162 mSDsCounter, 56111 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 185796 IncrementalHoareTripleChecker+Invalid, 241927 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 56111 mSolverCounterUnsat, 113923 mSDtfsCounter, 185796 mSolverCounterSat, 1.4s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1675 GetRequests, 1529 SyntacticMatches, 1 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 401 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40135occurred in iteration=18, InterpolantAutomatonStates: 159, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 9.0s AutomataMinimizationTime, 18 MinimizatonAttempts, 35925 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 5.6s SatisfiabilityAnalysisTime, 13.4s InterpolantComputationTime, 3338 NumberOfCodeBlocks, 3338 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 3509 ConstructedInterpolants, 0 QuantifiedInterpolants, 21040 SizeOfPredicates, 29 NumberOfNonLiveVariables, 13765 ConjunctsInSsa, 117 ConjunctsInUnsatCore, 23 InterpolantComputations, 16 PerfectInterpolantSequences, 3050/3063 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-18 05:25:28,479 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-12-18 05:25:28,551 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-validator-v0.6/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fa2b7015249343fdf8056852ea29542152fe4e2fe5328579e80867d2e6b2b327 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 05:25:30,110 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 05:25:30,112 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 05:25:30,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 05:25:30,144 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 05:25:30,147 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 05:25:30,148 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 05:25:30,152 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 05:25:30,154 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 05:25:30,158 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 05:25:30,159 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 05:25:30,162 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 05:25:30,163 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 05:25:30,165 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 05:25:30,166 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 05:25:30,168 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 05:25:30,169 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 05:25:30,170 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 05:25:30,171 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 05:25:30,174 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 05:25:30,176 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 05:25:30,176 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 05:25:30,178 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 05:25:30,179 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 05:25:30,182 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 05:25:30,182 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 05:25:30,182 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 05:25:30,183 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 05:25:30,183 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 05:25:30,184 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 05:25:30,184 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 05:25:30,185 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 05:25:30,186 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 05:25:30,186 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 05:25:30,187 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 05:25:30,187 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 05:25:30,188 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 05:25:30,188 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 05:25:30,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 05:25:30,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 05:25:30,189 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 05:25:30,190 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-18 05:25:30,215 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 05:25:30,215 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 05:25:30,216 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 05:25:30,216 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 05:25:30,217 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 05:25:30,217 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 05:25:30,218 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 05:25:30,218 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 05:25:30,218 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 05:25:30,218 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 05:25:30,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 05:25:30,219 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 05:25:30,219 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 05:25:30,219 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 05:25:30,220 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-18 05:25:30,220 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-18 05:25:30,220 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-18 05:25:30,220 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 05:25:30,220 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 05:25:30,220 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 05:25:30,220 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 05:25:30,221 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 05:25:30,221 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 05:25:30,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 05:25:30,221 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 05:25:30,227 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 05:25:30,227 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 05:25:30,227 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-18 05:25:30,227 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-18 05:25:30,227 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 05:25:30,227 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 05:25:30,228 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 05:25:30,228 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 05:25:30,228 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-18 05:25:30,228 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa2b7015249343fdf8056852ea29542152fe4e2fe5328579e80867d2e6b2b327 [2021-12-18 05:25:30,457 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 05:25:30,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 05:25:30,477 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 05:25:30,479 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 05:25:30,479 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 05:25:30,480 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.6/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i [2021-12-18 05:25:30,534 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/015830ed1/1aad32cf6e4344128669d81b883c5062/FLAG035880b39 [2021-12-18 05:25:31,239 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 05:25:31,240 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i [2021-12-18 05:25:31,283 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/015830ed1/1aad32cf6e4344128669d81b883c5062/FLAG035880b39 [2021-12-18 05:25:31,525 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/015830ed1/1aad32cf6e4344128669d81b883c5062 [2021-12-18 05:25:31,526 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 05:25:31,528 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 05:25:31,529 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 05:25:31,529 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 05:25:31,532 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 05:25:31,533 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 05:25:31" (1/1) ... [2021-12-18 05:25:31,534 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@623edc1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:25:31, skipping insertion in model container [2021-12-18 05:25:31,534 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 05:25:31" (1/1) ... [2021-12-18 05:25:31,539 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 05:25:31,681 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 05:25:32,246 WARN L230 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-v0.6/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i[81795,81808] [2021-12-18 05:25:34,250 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 05:25:34,308 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-18 05:25:34,398 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 05:25:34,462 WARN L230 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-v0.6/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i[81795,81808] [2021-12-18 05:25:34,753 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 05:25:34,787 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 05:25:34,895 WARN L230 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-v0.6/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i[81795,81808] [2021-12-18 05:25:35,200 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 05:25:35,334 INFO L208 MainTranslator]: Completed translation [2021-12-18 05:25:35,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:25:35 WrapperNode [2021-12-18 05:25:35,334 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 05:25:35,335 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 05:25:35,335 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 05:25:35,336 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 05:25:35,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:25:35" (1/1) ... [2021-12-18 05:25:35,450 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:25:35" (1/1) ... [2021-12-18 05:25:35,642 INFO L137 Inliner]: procedures = 434, calls = 5126, calls flagged for inlining = 152, calls inlined = 136, statements flattened = 9807 [2021-12-18 05:25:35,643 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 05:25:35,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 05:25:35,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 05:25:35,645 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 05:25:35,652 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:25:35" (1/1) ... [2021-12-18 05:25:35,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:25:35" (1/1) ... [2021-12-18 05:25:35,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:25:35" (1/1) ... [2021-12-18 05:25:35,700 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:25:35" (1/1) ... [2021-12-18 05:25:35,930 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:25:35" (1/1) ... [2021-12-18 05:25:35,982 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:25:35" (1/1) ... [2021-12-18 05:25:36,016 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:25:35" (1/1) ... [2021-12-18 05:25:36,069 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 05:25:36,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 05:25:36,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 05:25:36,072 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 05:25:36,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:25:35" (1/1) ... [2021-12-18 05:25:36,078 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 05:25:36,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:25:36,099 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) [2021-12-18 05:25:36,118 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 [2021-12-18 05:25:36,133 INFO L130 BoogieDeclarations]: Found specification of procedure timer_open [2021-12-18 05:25:36,133 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_open [2021-12-18 05:25:36,134 INFO L130 BoogieDeclarations]: Found specification of procedure timer_event [2021-12-18 05:25:36,134 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_event [2021-12-18 05:25:36,134 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-18 05:25:36,134 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-18 05:25:36,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 05:25:36,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 05:25:36,134 INFO L130 BoogieDeclarations]: Found specification of procedure dma_reset_output [2021-12-18 05:25:36,134 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_reset_output [2021-12-18 05:25:36,134 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_release [2021-12-18 05:25:36,135 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_release [2021-12-18 05:25:36,135 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~C_ULONG~X~C_INT~X~C_INT~TO~VOID [2021-12-18 05:25:36,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~C_ULONG~X~C_INT~X~C_INT~TO~VOID [2021-12-18 05:25:36,135 INFO L130 BoogieDeclarations]: Found specification of procedure local_start_dma [2021-12-18 05:25:36,135 INFO L138 BoogieDeclarations]: Found implementation of procedure local_start_dma [2021-12-18 05:25:36,135 INFO L130 BoogieDeclarations]: Found specification of procedure translate_bytes [2021-12-18 05:25:36,135 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_bytes [2021-12-18 05:25:36,135 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2021-12-18 05:25:36,135 INFO L130 BoogieDeclarations]: Found specification of procedure seq_copy_to_input [2021-12-18 05:25:36,136 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_copy_to_input [2021-12-18 05:25:36,136 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~C_INT~X~C_INT~X~C_INT~TO~VOID [2021-12-18 05:25:36,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~C_INT~X~C_INT~X~C_INT~TO~VOID [2021-12-18 05:25:36,136 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 05:25:36,136 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 05:25:36,136 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_sync [2021-12-18 05:25:36,136 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_sync [2021-12-18 05:25:36,136 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_launch_output [2021-12-18 05:25:36,136 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_launch_output [2021-12-18 05:25:36,137 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-18 05:25:36,137 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-18 05:25:36,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_soundcard_mutex [2021-12-18 05:25:36,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_soundcard_mutex [2021-12-18 05:25:36,138 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-18 05:25:36,138 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-18 05:25:36,138 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~X~C_INT~TO~C_INT [2021-12-18 05:25:36,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~X~C_INT~TO~C_INT [2021-12-18 05:25:36,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 05:25:36,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-18 05:25:36,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-18 05:25:36,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-18 05:25:36,139 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_space_in_queue [2021-12-18 05:25:36,139 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_space_in_queue [2021-12-18 05:25:36,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-18 05:25:36,139 INFO L130 BoogieDeclarations]: Found specification of procedure timer_get_time [2021-12-18 05:25:36,139 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_get_time [2021-12-18 05:25:36,139 INFO L130 BoogieDeclarations]: Found specification of procedure enable_dma [2021-12-18 05:25:36,140 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_dma [2021-12-18 05:25:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~TO~VOID [2021-12-18 05:25:36,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~TO~VOID [2021-12-18 05:25:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure timer_ioctl [2021-12-18 05:25:36,140 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_ioctl [2021-12-18 05:25:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~C_SHORT~TO~C_SHORT [2021-12-18 05:25:36,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~C_SHORT~TO~C_SHORT [2021-12-18 05:25:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-18 05:25:36,141 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-18 05:25:36,141 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~C_UINT~X~$Pointer$~TO~C_INT [2021-12-18 05:25:36,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~C_UINT~X~$Pointer$~TO~C_INT [2021-12-18 05:25:36,141 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-18 05:25:36,141 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-18 05:25:36,141 INFO L130 BoogieDeclarations]: Found specification of procedure sound_mixer_ioctl [2021-12-18 05:25:36,141 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_mixer_ioctl [2021-12-18 05:25:36,141 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_arm [2021-12-18 05:25:36,141 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_arm [2021-12-18 05:25:36,142 INFO L130 BoogieDeclarations]: Found specification of procedure dma_subdivide [2021-12-18 05:25:36,142 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_subdivide [2021-12-18 05:25:36,142 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_activate_recording [2021-12-18 05:25:36,142 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_activate_recording [2021-12-18 05:25:36,142 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-18 05:25:36,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-18 05:25:36,142 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user [2021-12-18 05:25:36,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user [2021-12-18 05:25:36,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 05:25:36,143 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 05:25:36,143 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~TO~C_INT [2021-12-18 05:25:36,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~TO~C_INT [2021-12-18 05:25:36,143 INFO L130 BoogieDeclarations]: Found specification of procedure seq_sync [2021-12-18 05:25:36,143 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_sync [2021-12-18 05:25:36,143 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_bits [2021-12-18 05:25:36,143 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_bits [2021-12-18 05:25:36,143 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_sound_special [2021-12-18 05:25:36,144 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_sound_special [2021-12-18 05:25:36,144 INFO L130 BoogieDeclarations]: Found specification of procedure close_dmap [2021-12-18 05:25:36,144 INFO L138 BoogieDeclarations]: Found implementation of procedure close_dmap [2021-12-18 05:25:36,144 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_close [2021-12-18 05:25:36,144 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_close [2021-12-18 05:25:36,144 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2021-12-18 05:25:36,144 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-18 05:25:36,144 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-18 05:25:36,144 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-18 05:25:36,144 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-18 05:25:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure timer_arm [2021-12-18 05:25:36,145 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_arm [2021-12-18 05:25:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~C_INT~TO~C_INT [2021-12-18 05:25:36,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~C_INT~TO~C_INT [2021-12-18 05:25:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure register_sound_special [2021-12-18 05:25:36,145 INFO L138 BoogieDeclarations]: Found implementation of procedure register_sound_special [2021-12-18 05:25:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure sound_mmap [2021-12-18 05:25:36,145 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_mmap [2021-12-18 05:25:36,146 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2021-12-18 05:25:36,146 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2021-12-18 05:25:36,146 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~C_UINT~TO~C_UINT [2021-12-18 05:25:36,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~C_UINT~TO~C_UINT [2021-12-18 05:25:36,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 05:25:36,146 INFO L130 BoogieDeclarations]: Found specification of procedure claim_dma_lock [2021-12-18 05:25:36,146 INFO L138 BoogieDeclarations]: Found implementation of procedure claim_dma_lock [2021-12-18 05:25:36,146 INFO L130 BoogieDeclarations]: Found specification of procedure timer_close [2021-12-18 05:25:36,146 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_close [2021-12-18 05:25:36,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 05:25:36,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 05:25:36,147 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-18 05:25:36,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-18 05:25:36,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-18 05:25:36,147 INFO L130 BoogieDeclarations]: Found specification of procedure dma_reset_input [2021-12-18 05:25:36,147 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_reset_input [2021-12-18 05:25:36,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-18 05:25:36,147 INFO L130 BoogieDeclarations]: Found specification of procedure interruptible_sleep_on_timeout [2021-12-18 05:25:36,148 INFO L138 BoogieDeclarations]: Found implementation of procedure interruptible_sleep_on_timeout [2021-12-18 05:25:36,148 INFO L130 BoogieDeclarations]: Found specification of procedure set_format [2021-12-18 05:25:36,148 INFO L138 BoogieDeclarations]: Found implementation of procedure set_format [2021-12-18 05:25:36,148 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_reset [2021-12-18 05:25:36,148 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_reset [2021-12-18 05:25:36,148 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2021-12-18 05:25:36,148 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2021-12-18 05:25:36,148 INFO L130 BoogieDeclarations]: Found specification of procedure seq_reset [2021-12-18 05:25:36,148 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_reset [2021-12-18 05:25:36,148 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2021-12-18 05:25:36,149 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2021-12-18 05:25:36,149 INFO L130 BoogieDeclarations]: Found specification of procedure seq_drain_midi_queues [2021-12-18 05:25:36,149 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_drain_midi_queues [2021-12-18 05:25:36,149 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~TO~VOID [2021-12-18 05:25:36,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~TO~VOID [2021-12-18 05:25:36,149 INFO L130 BoogieDeclarations]: Found specification of procedure dma_ioctl [2021-12-18 05:25:36,149 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_ioctl [2021-12-18 05:25:36,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_soundcard_mutex [2021-12-18 05:25:36,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_soundcard_mutex [2021-12-18 05:25:36,150 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2021-12-18 05:25:36,150 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2021-12-18 05:25:36,150 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2021-12-18 05:25:36,150 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2021-12-18 05:25:36,150 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-18 05:25:36,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-18 05:25:36,150 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~C_INT~X~$Pointer$~X~$Pointer$~TO~C_INT [2021-12-18 05:25:36,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~C_INT~X~$Pointer$~X~$Pointer$~TO~C_INT [2021-12-18 05:25:36,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-18 05:25:36,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 05:25:36,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 05:25:36,151 INFO L130 BoogieDeclarations]: Found specification of procedure seq_startplay [2021-12-18 05:25:36,151 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_startplay [2021-12-18 05:25:36,151 INFO L130 BoogieDeclarations]: Found specification of procedure clear_dma_ff [2021-12-18 05:25:36,151 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_dma_ff [2021-12-18 05:25:36,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-18 05:25:36,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-18 05:25:36,151 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-18 05:25:36,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-18 05:25:36,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-18 05:25:36,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 05:25:36,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-18 05:25:36,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 05:25:36,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 05:25:36,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 05:25:36,152 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-18 05:25:36,152 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-18 05:25:36,152 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-18 05:25:36,152 INFO L130 BoogieDeclarations]: Found specification of procedure translate_mode [2021-12-18 05:25:36,152 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_mode [2021-12-18 05:25:36,153 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get___0 [2021-12-18 05:25:36,153 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get___0 [2021-12-18 05:25:36,153 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_move_wrpointer [2021-12-18 05:25:36,153 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_move_wrpointer [2021-12-18 05:25:36,153 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-18 05:25:36,153 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-18 05:25:36,153 INFO L130 BoogieDeclarations]: Found specification of procedure tmr_reset [2021-12-18 05:25:36,153 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr_reset [2021-12-18 05:25:36,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-18 05:25:36,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-18 05:25:36,154 INFO L130 BoogieDeclarations]: Found specification of procedure sound_stop_timer [2021-12-18 05:25:36,154 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_stop_timer [2021-12-18 05:25:36,154 INFO L130 BoogieDeclarations]: Found specification of procedure tmr2ticks___0 [2021-12-18 05:25:36,154 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr2ticks___0 [2021-12-18 05:25:36,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 05:25:36,154 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 05:25:36,154 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-18 05:25:36,154 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-18 05:25:36,154 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-18 05:25:36,155 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-18 05:25:36,155 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-18 05:25:36,155 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-18 05:25:36,155 INFO L130 BoogieDeclarations]: Found specification of procedure tmr_reset___0 [2021-12-18 05:25:36,155 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr_reset___0 [2021-12-18 05:25:36,155 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~C_INT~X~C_INT~X~C_INT~TO~C_INT [2021-12-18 05:25:36,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~C_INT~X~C_INT~X~C_INT~TO~C_INT [2021-12-18 05:25:36,155 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2021-12-18 05:25:36,155 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2021-12-18 05:25:36,155 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2021-12-18 05:25:36,156 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2021-12-18 05:25:36,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 05:25:36,156 INFO L130 BoogieDeclarations]: Found specification of procedure sound_free_dmap [2021-12-18 05:25:36,156 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_free_dmap [2021-12-18 05:25:36,156 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2021-12-18 05:25:36,156 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2021-12-18 05:25:36,156 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~C_INT~X~C_INT~TO~VOID [2021-12-18 05:25:36,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~C_INT~X~C_INT~TO~VOID [2021-12-18 05:25:36,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 05:25:36,156 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-18 05:25:36,157 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-18 05:25:36,157 INFO L130 BoogieDeclarations]: Found specification of procedure reprogram_timer [2021-12-18 05:25:36,157 INFO L138 BoogieDeclarations]: Found implementation of procedure reprogram_timer [2021-12-18 05:25:36,157 INFO L130 BoogieDeclarations]: Found specification of procedure midi_outc___0 [2021-12-18 05:25:36,157 INFO L138 BoogieDeclarations]: Found implementation of procedure midi_outc___0 [2021-12-18 05:25:36,157 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-18 05:25:36,157 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-18 05:25:36,157 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~C_INT~X~C_INT~TO~C_INT [2021-12-18 05:25:36,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~C_INT~X~C_INT~TO~C_INT [2021-12-18 05:25:36,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-18 05:25:36,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-18 05:25:36,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-18 05:25:36,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-18 05:25:36,158 INFO L130 BoogieDeclarations]: Found specification of procedure dmabuf_timeout [2021-12-18 05:25:36,158 INFO L138 BoogieDeclarations]: Found implementation of procedure dmabuf_timeout [2021-12-18 05:25:36,158 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info___0 [2021-12-18 05:25:36,158 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info___0 [2021-12-18 05:25:36,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 05:25:36,159 INFO L130 BoogieDeclarations]: Found specification of procedure module_is_live [2021-12-18 05:25:36,159 INFO L138 BoogieDeclarations]: Found implementation of procedure module_is_live [2021-12-18 05:25:36,159 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-18 05:25:36,159 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-18 05:25:36,159 INFO L130 BoogieDeclarations]: Found specification of procedure sound_start_dma [2021-12-18 05:25:36,159 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_start_dma [2021-12-18 05:25:36,159 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_event [2021-12-18 05:25:36,159 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_event [2021-12-18 05:25:36,159 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-18 05:25:36,159 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-18 05:25:36,160 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-18 05:25:36,160 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-18 05:25:36,160 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_open [2021-12-18 05:25:36,160 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_open [2021-12-18 05:25:36,160 INFO L130 BoogieDeclarations]: Found specification of procedure interruptible_sleep_on [2021-12-18 05:25:36,160 INFO L138 BoogieDeclarations]: Found implementation of procedure interruptible_sleep_on [2021-12-18 05:25:36,160 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~C_UCHAR~TO~C_INT [2021-12-18 05:25:36,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~C_UCHAR~TO~C_INT [2021-12-18 05:25:36,160 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~C_INT~TO~VOID [2021-12-18 05:25:36,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~C_INT~TO~VOID [2021-12-18 05:25:36,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-18 05:25:36,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-18 05:25:36,161 INFO L130 BoogieDeclarations]: Found specification of procedure waitqueue_active [2021-12-18 05:25:36,161 INFO L138 BoogieDeclarations]: Found implementation of procedure waitqueue_active [2021-12-18 05:25:36,161 INFO L130 BoogieDeclarations]: Found specification of procedure sound_alloc_dmap [2021-12-18 05:25:36,161 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_alloc_dmap [2021-12-18 05:25:36,161 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_fragment [2021-12-18 05:25:36,161 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_fragment [2021-12-18 05:25:36,161 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_get_time [2021-12-18 05:25:36,162 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_get_time [2021-12-18 05:25:36,162 INFO L130 BoogieDeclarations]: Found specification of procedure sequencer_timer [2021-12-18 05:25:36,162 INFO L138 BoogieDeclarations]: Found implementation of procedure sequencer_timer [2021-12-18 05:25:36,162 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_residue [2021-12-18 05:25:36,162 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_residue [2021-12-18 05:25:36,162 INFO L130 BoogieDeclarations]: Found specification of procedure sync_output [2021-12-18 05:25:36,162 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_output [2021-12-18 05:25:36,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-18 05:25:36,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-18 05:25:36,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-18 05:25:36,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-18 05:25:36,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 05:25:36,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 05:25:36,163 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2021-12-18 05:25:36,163 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2021-12-18 05:25:36,163 INFO L130 BoogieDeclarations]: Found specification of procedure open_dmap [2021-12-18 05:25:36,163 INFO L138 BoogieDeclarations]: Found implementation of procedure open_dmap [2021-12-18 05:25:36,163 INFO L130 BoogieDeclarations]: Found specification of procedure release_dma_lock [2021-12-18 05:25:36,163 INFO L138 BoogieDeclarations]: Found implementation of procedure release_dma_lock [2021-12-18 05:25:36,164 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2021-12-18 05:25:36,164 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2021-12-18 05:25:36,164 INFO L130 BoogieDeclarations]: Found specification of procedure sound_poll [2021-12-18 05:25:36,164 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_poll [2021-12-18 05:25:36,164 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-18 05:25:36,164 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-18 05:25:36,164 INFO L130 BoogieDeclarations]: Found specification of procedure disable_dma [2021-12-18 05:25:36,164 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_dma [2021-12-18 05:25:36,164 INFO L130 BoogieDeclarations]: Found specification of procedure tmr2ticks [2021-12-18 05:25:36,165 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr2ticks [2021-12-18 05:25:36,165 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-12-18 05:25:36,165 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-12-18 05:25:36,165 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-18 05:25:36,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-18 05:25:36,165 INFO L130 BoogieDeclarations]: Found specification of procedure request_sound_timer [2021-12-18 05:25:36,165 INFO L138 BoogieDeclarations]: Found implementation of procedure request_sound_timer [2021-12-18 05:25:36,165 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_get_buffer_pointer [2021-12-18 05:25:36,165 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_get_buffer_pointer [2021-12-18 05:25:36,165 INFO L130 BoogieDeclarations]: Found specification of procedure sound_write [2021-12-18 05:25:36,166 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_write [2021-12-18 05:25:36,166 INFO L130 BoogieDeclarations]: Found specification of procedure play_event [2021-12-18 05:25:36,166 INFO L138 BoogieDeclarations]: Found implementation of procedure play_event [2021-12-18 05:25:36,166 INFO L130 BoogieDeclarations]: Found specification of procedure reorganize_buffers [2021-12-18 05:25:36,166 INFO L138 BoogieDeclarations]: Found implementation of procedure reorganize_buffers [2021-12-18 05:25:36,166 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-18 05:25:36,166 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-18 05:25:36,166 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-18 05:25:36,166 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-18 05:25:36,166 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_ioctl [2021-12-18 05:25:36,167 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_ioctl [2021-12-18 05:25:36,972 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 05:25:36,975 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 05:25:37,792 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 05:25:38,023 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3836: assume 0bv64 != ~tmp___1~3;#res := ~ret~3; [2021-12-18 05:25:38,023 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3836: assume !(0bv64 != ~tmp___1~3);#res := ~ret~3; [2021-12-18 05:25:38,024 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3803: havoc #t~switch115; [2021-12-18 05:25:38,024 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3832: assume #t~switch115; [2021-12-18 05:25:38,024 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3832: assume !#t~switch115;#t~switch115 := true; [2021-12-18 05:25:38,024 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3824: assume 0bv64 != ~tmp___0~8;#res := ~ret~3; [2021-12-18 05:25:38,024 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3824: assume !(0bv64 != ~tmp___0~8);#res := ~ret~3; [2021-12-18 05:25:38,024 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3820: assume #t~switch115; [2021-12-18 05:25:38,024 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3820: assume !#t~switch115;#t~switch115 := #t~switch115 || 16bv32 == ~size; [2021-12-18 05:25:38,024 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3816: assume #t~switch115;#res := ~ret~3; [2021-12-18 05:25:38,024 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3816: assume !#t~switch115;#t~switch115 := #t~switch115 || 10bv32 == ~size; [2021-12-18 05:25:38,024 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume #t~switch115;#res := ~ret~3; [2021-12-18 05:25:38,024 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3812: assume #t~switch115;#res := ~ret~3; [2021-12-18 05:25:38,024 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3812: assume !#t~switch115;#t~switch115 := #t~switch115 || 8bv32 == ~size; [2021-12-18 05:25:38,024 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3845-1: ~tmp___2~2 := #t~ret118;havoc #t~ret118;#res := ~tmp___2~2[32:0]; [2021-12-18 05:25:38,024 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3845: SUMMARY for call #t~ret118 := copy_user_generic(~dst.base, ~dst.offset, ~src.base, ~src.offset, ~size); srcloc: null [2021-12-18 05:25:38,024 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !#t~switch115;#t~switch115 := #t~switch115 || 2bv32 == ~size; [2021-12-18 05:25:38,024 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3808: assume #t~switch115;#res := ~ret~3; [2021-12-18 05:25:38,024 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3808: assume !#t~switch115;#t~switch115 := #t~switch115 || 4bv32 == ~size; [2021-12-18 05:25:38,025 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3835-1: ~tmp___1~3 := #t~ret117;havoc #t~ret117; [2021-12-18 05:25:38,025 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3835: SUMMARY for call #t~ret117 := ldv__builtin_expect(~sign_extendFrom32To64((if 0bv32 != ~ret~3 then 1bv32 else 0bv32)), 0bv64); srcloc: null [2021-12-18 05:25:38,025 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3823-1: ~tmp___0~8 := #t~ret116;havoc #t~ret116; [2021-12-18 05:25:38,025 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3823: SUMMARY for call #t~ret116 := ldv__builtin_expect(~sign_extendFrom32To64((if 0bv32 != ~ret~3 then 1bv32 else 0bv32)), 0bv64); srcloc: null [2021-12-18 05:25:38,025 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3844: assume #t~switch115; [2021-12-18 05:25:38,025 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3844: assume !#t~switch115; [2021-12-18 05:27:00,018 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3738: havoc __copy_from_user_#t~switch110#1; [2021-12-18 05:27:00,019 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3744: assume __copy_from_user_#t~switch110#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-12-18 05:27:00,019 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3744: assume !__copy_from_user_#t~switch110#1;__copy_from_user_#t~switch110#1 := __copy_from_user_#t~switch110#1 || 4bv32 == __copy_from_user_~size#1; [2021-12-18 05:27:00,023 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3749: assume __copy_from_user_#t~switch110#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-12-18 05:27:00,023 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3749: assume !__copy_from_user_#t~switch110#1;__copy_from_user_#t~switch110#1 := __copy_from_user_#t~switch110#1 || 8bv32 == __copy_from_user_~size#1; [2021-12-18 05:27:00,023 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3754: assume __copy_from_user_#t~switch110#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-12-18 05:27:00,023 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3754: assume !__copy_from_user_#t~switch110#1;__copy_from_user_#t~switch110#1 := __copy_from_user_#t~switch110#1 || 10bv32 == __copy_from_user_~size#1; [2021-12-18 05:27:00,024 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3759: assume __copy_from_user_#t~switch110#1; [2021-12-18 05:27:00,024 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3759: assume !__copy_from_user_#t~switch110#1;__copy_from_user_#t~switch110#1 := __copy_from_user_#t~switch110#1 || 16bv32 == __copy_from_user_~size#1; [2021-12-18 05:27:00,024 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3763-1: __copy_from_user_~tmp___0~7#1 := __copy_from_user_#t~ret111#1;havoc __copy_from_user_#t~ret111#1; [2021-12-18 05:27:00,024 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3763: SUMMARY for call __copy_from_user_#t~ret111#1 := ldv__builtin_expect(~sign_extendFrom32To64((if 0bv32 != __copy_from_user_~ret~2#1 then 1bv32 else 0bv32)), 0bv64); srcloc: null [2021-12-18 05:27:00,024 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3764: assume 0bv64 != __copy_from_user_~tmp___0~7#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-12-18 05:27:00,024 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3764: assume !(0bv64 != __copy_from_user_~tmp___0~7#1);__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-12-18 05:27:00,024 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3772: assume __copy_from_user_#t~switch110#1; [2021-12-18 05:27:00,024 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3772: assume !__copy_from_user_#t~switch110#1;__copy_from_user_#t~switch110#1 := true; [2021-12-18 05:27:00,025 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3776: SUMMARY for call __copy_from_user_#t~ret112#1 := ldv__builtin_expect(~sign_extendFrom32To64((if 0bv32 != __copy_from_user_~ret~2#1 then 1bv32 else 0bv32)), 0bv64); srcloc: null [2021-12-18 05:27:00,025 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3776-1: __copy_from_user_~tmp___1~2#1 := __copy_from_user_#t~ret112#1;havoc __copy_from_user_#t~ret112#1; [2021-12-18 05:27:00,025 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3777: assume 0bv64 != __copy_from_user_~tmp___1~2#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-12-18 05:27:00,025 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3777: assume !(0bv64 != __copy_from_user_~tmp___1~2#1);__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-12-18 05:27:00,025 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3785: assume __copy_from_user_#t~switch110#1; [2021-12-18 05:27:00,025 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3785: assume !__copy_from_user_#t~switch110#1; [2021-12-18 05:27:00,025 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3786: SUMMARY for call __copy_from_user_#t~ret113#1 := copy_user_generic(__copy_from_user_~dst#1.base, __copy_from_user_~dst#1.offset, __copy_from_user_~src#1.base, __copy_from_user_~src#1.offset, __copy_from_user_~size#1); srcloc: null [2021-12-18 05:27:00,025 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3786-1: __copy_from_user_~tmp___2~1#1 := __copy_from_user_#t~ret113#1;havoc __copy_from_user_#t~ret113#1;__copy_from_user_#res#1 := __copy_from_user_~tmp___2~1#1[32:0]; [2021-12-18 05:27:00,026 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##704: assume !__copy_from_user_#t~switch110#1;__copy_from_user_#t~switch110#1 := __copy_from_user_#t~switch110#1 || 2bv32 == __copy_from_user_~size#1; [2021-12-18 05:27:00,026 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##703: assume __copy_from_user_#t~switch110#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-12-18 05:27:00,194 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 05:27:00,220 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 05:27:00,220 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-18 05:27:00,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 05:27:00 BoogieIcfgContainer [2021-12-18 05:27:00,226 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 05:27:00,227 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 05:27:00,227 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 05:27:00,230 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 05:27:00,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 05:25:31" (1/3) ... [2021-12-18 05:27:00,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35067e38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 05:27:00, skipping insertion in model container [2021-12-18 05:27:00,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:25:35" (2/3) ... [2021-12-18 05:27:00,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35067e38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 05:27:00, skipping insertion in model container [2021-12-18 05:27:00,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 05:27:00" (3/3) ... [2021-12-18 05:27:00,232 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i [2021-12-18 05:27:00,237 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 05:27:00,237 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 05:27:00,285 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 05:27:00,290 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 05:27:00,290 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 05:27:00,359 INFO L276 IsEmpty]: Start isEmpty. Operand has 3678 states, 2818 states have (on average 1.5049680624556423) internal successors, (4241), 2908 states have internal predecessors, (4241), 726 states have call successors, (726), 133 states have call predecessors, (726), 132 states have return successors, (718), 700 states have call predecessors, (718), 718 states have call successors, (718) [2021-12-18 05:27:00,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-12-18 05:27:00,365 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:27:00,366 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-18 05:27:00,366 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:27:00,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:27:00,371 INFO L85 PathProgramCache]: Analyzing trace with hash 862318060, now seen corresponding path program 1 times [2021-12-18 05:27:00,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:27:00,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1744671590] [2021-12-18 05:27:00,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:27:00,386 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:27:00,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:27:00,388 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:27:00,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-18 05:27:06,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:06,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 2574 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 05:27:06,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:27:06,591 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-12-18 05:27:06,591 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:27:06,591 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 05:27:06,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1744671590] [2021-12-18 05:27:06,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1744671590] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:27:06,592 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:27:06,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 05:27:06,593 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167026997] [2021-12-18 05:27:06,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:27:06,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 05:27:06,597 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 05:27:06,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 05:27:06,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 05:27:06,621 INFO L87 Difference]: Start difference. First operand has 3678 states, 2818 states have (on average 1.5049680624556423) internal successors, (4241), 2908 states have internal predecessors, (4241), 726 states have call successors, (726), 133 states have call predecessors, (726), 132 states have return successors, (718), 700 states have call predecessors, (718), 718 states have call successors, (718) Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-18 05:27:07,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:27:07,358 INFO L93 Difference]: Finished difference Result 8294 states and 12825 transitions. [2021-12-18 05:27:07,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 05:27:07,361 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 55 [2021-12-18 05:27:07,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:27:07,394 INFO L225 Difference]: With dead ends: 8294 [2021-12-18 05:27:07,394 INFO L226 Difference]: Without dead ends: 4594 [2021-12-18 05:27:07,417 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 05:27:07,422 INFO L933 BasicCegarLoop]: 5840 mSDtfsCounter, 1423 mSDsluCounter, 5620 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1423 SdHoareTripleChecker+Valid, 11460 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-18 05:27:07,424 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1423 Valid, 11460 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-18 05:27:07,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4594 states. [2021-12-18 05:27:07,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4594 to 4586. [2021-12-18 05:27:07,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4586 states, 3540 states have (on average 1.501129943502825) internal successors, (5314), 3643 states have internal predecessors, (5314), 863 states have call successors, (863), 183 states have call predecessors, (863), 182 states have return successors, (859), 835 states have call predecessors, (859), 859 states have call successors, (859) [2021-12-18 05:27:07,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4586 states to 4586 states and 7036 transitions. [2021-12-18 05:27:07,665 INFO L78 Accepts]: Start accepts. Automaton has 4586 states and 7036 transitions. Word has length 55 [2021-12-18 05:27:07,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:27:07,666 INFO L470 AbstractCegarLoop]: Abstraction has 4586 states and 7036 transitions. [2021-12-18 05:27:07,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-18 05:27:07,666 INFO L276 IsEmpty]: Start isEmpty. Operand 4586 states and 7036 transitions. [2021-12-18 05:27:07,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-12-18 05:27:07,673 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:27:07,673 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-18 05:27:07,758 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-18 05:27:07,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 05:27:07,888 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:27:07,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:27:07,888 INFO L85 PathProgramCache]: Analyzing trace with hash 2041421241, now seen corresponding path program 1 times [2021-12-18 05:27:07,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:27:07,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [284336284] [2021-12-18 05:27:07,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:27:07,891 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:27:07,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:27:07,892 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:27:07,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-18 05:27:13,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:13,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 2563 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 05:27:13,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:27:14,085 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-12-18 05:27:14,085 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:27:14,085 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 05:27:14,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [284336284] [2021-12-18 05:27:14,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [284336284] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:27:14,085 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:27:14,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 05:27:14,086 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689119107] [2021-12-18 05:27:14,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:27:14,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 05:27:14,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 05:27:14,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 05:27:14,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 05:27:14,087 INFO L87 Difference]: Start difference. First operand 4586 states and 7036 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-18 05:27:14,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:27:14,923 INFO L93 Difference]: Finished difference Result 4599 states and 7048 transitions. [2021-12-18 05:27:14,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 05:27:14,924 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 65 [2021-12-18 05:27:14,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:27:14,951 INFO L225 Difference]: With dead ends: 4599 [2021-12-18 05:27:14,952 INFO L226 Difference]: Without dead ends: 4596 [2021-12-18 05:27:14,956 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 05:27:14,957 INFO L933 BasicCegarLoop]: 5664 mSDtfsCounter, 5610 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5610 SdHoareTripleChecker+Valid, 5693 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-18 05:27:14,957 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5610 Valid, 5693 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-18 05:27:14,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4596 states. [2021-12-18 05:27:15,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4596 to 4596. [2021-12-18 05:27:15,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4596 states, 3548 states have (on average 1.5) internal successors, (5322), 3650 states have internal predecessors, (5322), 863 states have call successors, (863), 185 states have call predecessors, (863), 184 states have return successors, (860), 836 states have call predecessors, (860), 860 states have call successors, (860) [2021-12-18 05:27:15,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4596 states to 4596 states and 7045 transitions. [2021-12-18 05:27:15,097 INFO L78 Accepts]: Start accepts. Automaton has 4596 states and 7045 transitions. Word has length 65 [2021-12-18 05:27:15,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:27:15,097 INFO L470 AbstractCegarLoop]: Abstraction has 4596 states and 7045 transitions. [2021-12-18 05:27:15,098 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-18 05:27:15,098 INFO L276 IsEmpty]: Start isEmpty. Operand 4596 states and 7045 transitions. [2021-12-18 05:27:15,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-12-18 05:27:15,099 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:27:15,099 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-18 05:27:15,185 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-12-18 05:27:15,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 05:27:15,319 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:27:15,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:27:15,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1141615170, now seen corresponding path program 1 times [2021-12-18 05:27:15,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:27:15,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1121054124] [2021-12-18 05:27:15,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:27:15,322 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:27:15,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:27:15,324 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:27:15,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-18 05:27:20,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:20,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 2564 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 05:27:20,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:27:21,150 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-12-18 05:27:21,151 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:27:21,151 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 05:27:21,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1121054124] [2021-12-18 05:27:21,151 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1121054124] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:27:21,151 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:27:21,151 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 05:27:21,151 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358418351] [2021-12-18 05:27:21,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:27:21,152 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 05:27:21,152 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 05:27:21,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 05:27:21,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 05:27:21,152 INFO L87 Difference]: Start difference. First operand 4596 states and 7045 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-18 05:27:22,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:27:22,014 INFO L93 Difference]: Finished difference Result 7023 states and 10662 transitions. [2021-12-18 05:27:22,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 05:27:22,014 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 66 [2021-12-18 05:27:22,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:27:22,059 INFO L225 Difference]: With dead ends: 7023 [2021-12-18 05:27:22,059 INFO L226 Difference]: Without dead ends: 6935 [2021-12-18 05:27:22,067 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 05:27:22,069 INFO L933 BasicCegarLoop]: 6389 mSDtfsCounter, 2264 mSDsluCounter, 5588 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2264 SdHoareTripleChecker+Valid, 11977 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-18 05:27:22,070 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2264 Valid, 11977 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-18 05:27:22,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6935 states. [2021-12-18 05:27:22,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6935 to 6935. [2021-12-18 05:27:22,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6935 states, 5345 states have (on average 1.4942937324602432) internal successors, (7987), 5519 states have internal predecessors, (7987), 1279 states have call successors, (1279), 313 states have call predecessors, (1279), 310 states have return successors, (1278), 1220 states have call predecessors, (1278), 1276 states have call successors, (1278) [2021-12-18 05:27:22,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6935 states to 6935 states and 10544 transitions. [2021-12-18 05:27:22,359 INFO L78 Accepts]: Start accepts. Automaton has 6935 states and 10544 transitions. Word has length 66 [2021-12-18 05:27:22,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:27:22,359 INFO L470 AbstractCegarLoop]: Abstraction has 6935 states and 10544 transitions. [2021-12-18 05:27:22,360 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-18 05:27:22,360 INFO L276 IsEmpty]: Start isEmpty. Operand 6935 states and 10544 transitions. [2021-12-18 05:27:22,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-12-18 05:27:22,366 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:27:22,366 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 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] [2021-12-18 05:27:22,453 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-12-18 05:27:22,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 05:27:22,579 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:27:22,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:27:22,581 INFO L85 PathProgramCache]: Analyzing trace with hash 383961807, now seen corresponding path program 1 times [2021-12-18 05:27:22,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:27:22,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [749222954] [2021-12-18 05:27:22,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:27:22,583 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:27:22,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:27:22,585 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:27:22,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-18 05:27:27,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:27,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 2704 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-18 05:27:27,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:27:28,540 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-12-18 05:27:28,540 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:27:28,540 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 05:27:28,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [749222954] [2021-12-18 05:27:28,540 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [749222954] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:27:28,540 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:27:28,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 05:27:28,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750482370] [2021-12-18 05:27:28,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:27:28,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 05:27:28,541 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 05:27:28,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 05:27:28,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 05:27:28,542 INFO L87 Difference]: Start difference. First operand 6935 states and 10544 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-18 05:27:29,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:27:29,873 INFO L93 Difference]: Finished difference Result 13866 states and 21083 transitions. [2021-12-18 05:27:29,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 05:27:29,874 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 110 [2021-12-18 05:27:29,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:27:29,909 INFO L225 Difference]: With dead ends: 13866 [2021-12-18 05:27:29,909 INFO L226 Difference]: Without dead ends: 6939 [2021-12-18 05:27:29,934 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-18 05:27:29,935 INFO L933 BasicCegarLoop]: 5651 mSDtfsCounter, 23 mSDsluCounter, 22598 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 28249 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-18 05:27:29,936 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 28249 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-18 05:27:29,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6939 states. [2021-12-18 05:27:30,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6939 to 6928. [2021-12-18 05:27:30,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6928 states, 5342 states have (on average 1.4938225383751405) internal successors, (7980), 5514 states have internal predecessors, (7980), 1277 states have call successors, (1277), 311 states have call predecessors, (1277), 308 states have return successors, (1276), 1217 states have call predecessors, (1276), 1274 states have call successors, (1276) [2021-12-18 05:27:30,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6928 states to 6928 states and 10533 transitions. [2021-12-18 05:27:30,117 INFO L78 Accepts]: Start accepts. Automaton has 6928 states and 10533 transitions. Word has length 110 [2021-12-18 05:27:30,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:27:30,119 INFO L470 AbstractCegarLoop]: Abstraction has 6928 states and 10533 transitions. [2021-12-18 05:27:30,119 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-18 05:27:30,119 INFO L276 IsEmpty]: Start isEmpty. Operand 6928 states and 10533 transitions. [2021-12-18 05:27:30,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-12-18 05:27:30,126 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:27:30,126 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 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] [2021-12-18 05:27:30,204 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-12-18 05:27:30,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 05:27:30,339 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:27:30,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:27:30,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1223170593, now seen corresponding path program 1 times [2021-12-18 05:27:30,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:27:30,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [634708627] [2021-12-18 05:27:30,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:27:30,342 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:27:30,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:27:30,343 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:27:30,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-18 05:27:35,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:36,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 2717 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-18 05:27:36,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:27:36,708 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-12-18 05:27:36,709 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:27:36,709 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 05:27:36,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [634708627] [2021-12-18 05:27:36,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [634708627] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:27:36,709 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:27:36,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 05:27:36,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254145163] [2021-12-18 05:27:36,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:27:36,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 05:27:36,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 05:27:36,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 05:27:36,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 05:27:36,710 INFO L87 Difference]: Start difference. First operand 6928 states and 10533 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-18 05:27:37,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:27:37,809 INFO L93 Difference]: Finished difference Result 14008 states and 21320 transitions. [2021-12-18 05:27:37,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-18 05:27:37,810 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 115 [2021-12-18 05:27:37,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:27:37,856 INFO L225 Difference]: With dead ends: 14008 [2021-12-18 05:27:37,856 INFO L226 Difference]: Without dead ends: 7106 [2021-12-18 05:27:37,880 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 05:27:37,881 INFO L933 BasicCegarLoop]: 5938 mSDtfsCounter, 3442 mSDsluCounter, 7872 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 562 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3442 SdHoareTripleChecker+Valid, 13810 SdHoareTripleChecker+Invalid, 572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 562 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-18 05:27:37,882 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3442 Valid, 13810 Invalid, 572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [562 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-18 05:27:37,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7106 states. [2021-12-18 05:27:38,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7106 to 6928. [2021-12-18 05:27:38,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6928 states, 5342 states have (on average 1.4930737551478848) internal successors, (7976), 5514 states have internal predecessors, (7976), 1277 states have call successors, (1277), 311 states have call predecessors, (1277), 308 states have return successors, (1276), 1217 states have call predecessors, (1276), 1274 states have call successors, (1276) [2021-12-18 05:27:38,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6928 states to 6928 states and 10529 transitions. [2021-12-18 05:27:38,087 INFO L78 Accepts]: Start accepts. Automaton has 6928 states and 10529 transitions. Word has length 115 [2021-12-18 05:27:38,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:27:38,087 INFO L470 AbstractCegarLoop]: Abstraction has 6928 states and 10529 transitions. [2021-12-18 05:27:38,087 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-18 05:27:38,088 INFO L276 IsEmpty]: Start isEmpty. Operand 6928 states and 10529 transitions. [2021-12-18 05:27:38,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-12-18 05:27:38,092 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:27:38,093 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 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] [2021-12-18 05:27:38,174 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-12-18 05:27:38,303 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 05:27:38,303 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:27:38,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:27:38,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1157822766, now seen corresponding path program 1 times [2021-12-18 05:27:38,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:27:38,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [285235273] [2021-12-18 05:27:38,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:27:38,306 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:27:38,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:27:38,308 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:27:38,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-12-18 05:27:43,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:43,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 2722 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 05:27:43,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:27:44,248 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-12-18 05:27:44,248 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:27:44,248 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 05:27:44,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [285235273] [2021-12-18 05:27:44,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [285235273] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:27:44,248 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:27:44,249 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 05:27:44,249 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470726011] [2021-12-18 05:27:44,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:27:44,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 05:27:44,249 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 05:27:44,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 05:27:44,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 05:27:44,250 INFO L87 Difference]: Start difference. First operand 6928 states and 10529 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-18 05:27:44,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:27:44,562 INFO L93 Difference]: Finished difference Result 13858 states and 21066 transitions. [2021-12-18 05:27:44,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 05:27:44,565 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 119 [2021-12-18 05:27:44,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:27:44,586 INFO L225 Difference]: With dead ends: 13858 [2021-12-18 05:27:44,586 INFO L226 Difference]: Without dead ends: 6956 [2021-12-18 05:27:44,604 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 05:27:44,605 INFO L933 BasicCegarLoop]: 5650 mSDtfsCounter, 8 mSDsluCounter, 5647 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 11297 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 05:27:44,605 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 11297 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 05:27:44,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6956 states. [2021-12-18 05:27:44,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6956 to 6932. [2021-12-18 05:27:44,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6932 states, 5346 states have (on average 1.4927048260381595) internal successors, (7980), 5518 states have internal predecessors, (7980), 1277 states have call successors, (1277), 311 states have call predecessors, (1277), 308 states have return successors, (1276), 1217 states have call predecessors, (1276), 1274 states have call successors, (1276) [2021-12-18 05:27:44,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6932 states to 6932 states and 10533 transitions. [2021-12-18 05:27:44,776 INFO L78 Accepts]: Start accepts. Automaton has 6932 states and 10533 transitions. Word has length 119 [2021-12-18 05:27:44,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:27:44,777 INFO L470 AbstractCegarLoop]: Abstraction has 6932 states and 10533 transitions. [2021-12-18 05:27:44,777 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-18 05:27:44,778 INFO L276 IsEmpty]: Start isEmpty. Operand 6932 states and 10533 transitions. [2021-12-18 05:27:44,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-12-18 05:27:44,782 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:27:44,782 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 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] [2021-12-18 05:27:44,874 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-12-18 05:27:44,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 05:27:44,987 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:27:44,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:27:44,988 INFO L85 PathProgramCache]: Analyzing trace with hash 623672786, now seen corresponding path program 1 times [2021-12-18 05:27:44,990 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:27:44,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2118138120] [2021-12-18 05:27:44,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:27:44,990 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:27:44,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:27:44,991 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:27:44,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-12-18 05:27:50,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:50,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 2726 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-18 05:27:50,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:27:51,082 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 50 proven. 1 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-12-18 05:27:51,083 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 05:27:51,631 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2021-12-18 05:27:51,631 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 05:27:51,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2118138120] [2021-12-18 05:27:51,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2118138120] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 05:27:51,632 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-18 05:27:51,632 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-12-18 05:27:51,632 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65585482] [2021-12-18 05:27:51,632 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-18 05:27:51,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 05:27:51,633 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 05:27:51,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 05:27:51,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-18 05:27:51,633 INFO L87 Difference]: Start difference. First operand 6932 states and 10533 transitions. Second operand has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-18 05:27:51,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:27:51,979 INFO L93 Difference]: Finished difference Result 13890 states and 21106 transitions. [2021-12-18 05:27:51,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 05:27:51,979 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 122 [2021-12-18 05:27:51,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:27:52,003 INFO L225 Difference]: With dead ends: 13890 [2021-12-18 05:27:52,003 INFO L226 Difference]: Without dead ends: 6984 [2021-12-18 05:27:52,020 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-18 05:27:52,021 INFO L933 BasicCegarLoop]: 5655 mSDtfsCounter, 28 mSDsluCounter, 16936 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 22591 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-18 05:27:52,021 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 22591 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-18 05:27:52,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6984 states. [2021-12-18 05:27:52,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6984 to 6960. [2021-12-18 05:27:52,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6960 states, 5374 states have (on average 1.4916263490882025) internal successors, (8016), 5546 states have internal predecessors, (8016), 1277 states have call successors, (1277), 311 states have call predecessors, (1277), 308 states have return successors, (1276), 1217 states have call predecessors, (1276), 1274 states have call successors, (1276) [2021-12-18 05:27:52,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6960 states to 6960 states and 10569 transitions. [2021-12-18 05:27:52,266 INFO L78 Accepts]: Start accepts. Automaton has 6960 states and 10569 transitions. Word has length 122 [2021-12-18 05:27:52,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:27:52,266 INFO L470 AbstractCegarLoop]: Abstraction has 6960 states and 10569 transitions. [2021-12-18 05:27:52,266 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-18 05:27:52,266 INFO L276 IsEmpty]: Start isEmpty. Operand 6960 states and 10569 transitions. [2021-12-18 05:27:52,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-12-18 05:27:52,271 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:27:52,271 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 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] [2021-12-18 05:27:52,358 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-12-18 05:27:52,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 05:27:52,487 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:27:52,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:27:52,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1349838916, now seen corresponding path program 1 times [2021-12-18 05:27:52,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:27:52,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [313039725] [2021-12-18 05:27:52,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:27:52,490 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:27:52,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:27:52,491 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:27:52,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-12-18 05:27:57,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:57,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 2732 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 05:27:57,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:27:59,468 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2021-12-18 05:27:59,468 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:27:59,469 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 05:27:59,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [313039725] [2021-12-18 05:27:59,469 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [313039725] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:27:59,469 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:27:59,469 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-18 05:27:59,469 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795158723] [2021-12-18 05:27:59,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:27:59,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 05:27:59,469 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 05:27:59,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 05:27:59,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 05:27:59,470 INFO L87 Difference]: Start difference. First operand 6960 states and 10569 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-18 05:27:59,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:27:59,614 INFO L93 Difference]: Finished difference Result 13894 states and 21106 transitions. [2021-12-18 05:27:59,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 05:27:59,615 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 127 [2021-12-18 05:27:59,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:27:59,642 INFO L225 Difference]: With dead ends: 13894 [2021-12-18 05:27:59,643 INFO L226 Difference]: Without dead ends: 6960 [2021-12-18 05:27:59,661 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 05:27:59,661 INFO L933 BasicCegarLoop]: 5650 mSDtfsCounter, 5601 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5601 SdHoareTripleChecker+Valid, 5650 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-18 05:27:59,662 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5601 Valid, 5650 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 05:27:59,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6960 states. [2021-12-18 05:27:59,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6960 to 6960. [2021-12-18 05:27:59,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6960 states, 5374 states have (on average 1.4908820245627092) internal successors, (8012), 5546 states have internal predecessors, (8012), 1277 states have call successors, (1277), 311 states have call predecessors, (1277), 308 states have return successors, (1276), 1217 states have call predecessors, (1276), 1274 states have call successors, (1276) [2021-12-18 05:27:59,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6960 states to 6960 states and 10565 transitions. [2021-12-18 05:27:59,816 INFO L78 Accepts]: Start accepts. Automaton has 6960 states and 10565 transitions. Word has length 127 [2021-12-18 05:27:59,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:27:59,817 INFO L470 AbstractCegarLoop]: Abstraction has 6960 states and 10565 transitions. [2021-12-18 05:27:59,817 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-18 05:27:59,817 INFO L276 IsEmpty]: Start isEmpty. Operand 6960 states and 10565 transitions. [2021-12-18 05:27:59,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-12-18 05:27:59,823 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:27:59,823 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 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] [2021-12-18 05:27:59,897 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-12-18 05:28:00,040 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 05:28:00,040 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:28:00,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:28:00,041 INFO L85 PathProgramCache]: Analyzing trace with hash -355339667, now seen corresponding path program 1 times [2021-12-18 05:28:00,043 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:28:00,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2000460202] [2021-12-18 05:28:00,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:28:00,043 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:28:00,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:28:00,044 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:28:00,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-12-18 05:28:05,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:28:05,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 2731 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-18 05:28:05,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:28:06,305 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2021-12-18 05:28:06,305 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:28:06,305 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 05:28:06,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2000460202] [2021-12-18 05:28:06,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2000460202] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:28:06,306 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:28:06,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 05:28:06,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645641642] [2021-12-18 05:28:06,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:28:06,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 05:28:06,307 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 05:28:06,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 05:28:06,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 05:28:06,308 INFO L87 Difference]: Start difference. First operand 6960 states and 10565 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-18 05:28:07,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:28:07,300 INFO L93 Difference]: Finished difference Result 13893 states and 21097 transitions. [2021-12-18 05:28:07,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 05:28:07,301 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 126 [2021-12-18 05:28:07,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:28:07,327 INFO L225 Difference]: With dead ends: 13893 [2021-12-18 05:28:07,327 INFO L226 Difference]: Without dead ends: 6959 [2021-12-18 05:28:07,344 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 05:28:07,346 INFO L933 BasicCegarLoop]: 7393 mSDtfsCounter, 5554 mSDsluCounter, 2235 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5554 SdHoareTripleChecker+Valid, 9628 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-18 05:28:07,346 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5554 Valid, 9628 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-18 05:28:07,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6959 states. [2021-12-18 05:28:07,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6959 to 6959. [2021-12-18 05:28:07,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6959 states, 5374 states have (on average 1.4905098622999629) internal successors, (8010), 5545 states have internal predecessors, (8010), 1276 states have call successors, (1276), 311 states have call predecessors, (1276), 308 states have return successors, (1266), 1217 states have call predecessors, (1266), 1266 states have call successors, (1266) [2021-12-18 05:28:07,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6959 states to 6959 states and 10552 transitions. [2021-12-18 05:28:07,530 INFO L78 Accepts]: Start accepts. Automaton has 6959 states and 10552 transitions. Word has length 126 [2021-12-18 05:28:07,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:28:07,531 INFO L470 AbstractCegarLoop]: Abstraction has 6959 states and 10552 transitions. [2021-12-18 05:28:07,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-18 05:28:07,531 INFO L276 IsEmpty]: Start isEmpty. Operand 6959 states and 10552 transitions. [2021-12-18 05:28:07,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-12-18 05:28:07,542 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:28:07,542 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:28:07,620 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-12-18 05:28:07,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 05:28:07,743 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:28:07,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:28:07,744 INFO L85 PathProgramCache]: Analyzing trace with hash 173054243, now seen corresponding path program 1 times [2021-12-18 05:28:07,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:28:07,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [257020211] [2021-12-18 05:28:07,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:28:07,746 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:28:07,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:28:07,747 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:28:07,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-12-18 05:28:13,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:28:13,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 2796 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 05:28:13,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:28:14,067 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-12-18 05:28:14,068 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:28:14,068 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 05:28:14,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [257020211] [2021-12-18 05:28:14,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [257020211] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:28:14,068 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:28:14,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 05:28:14,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710553118] [2021-12-18 05:28:14,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:28:14,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 05:28:14,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 05:28:14,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 05:28:14,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 05:28:14,069 INFO L87 Difference]: Start difference. First operand 6959 states and 10552 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-12-18 05:28:15,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:28:15,252 INFO L93 Difference]: Finished difference Result 17231 states and 26013 transitions. [2021-12-18 05:28:15,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 05:28:15,253 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 151 [2021-12-18 05:28:15,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:28:15,285 INFO L225 Difference]: With dead ends: 17231 [2021-12-18 05:28:15,285 INFO L226 Difference]: Without dead ends: 10298 [2021-12-18 05:28:15,302 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 05:28:15,303 INFO L933 BasicCegarLoop]: 7107 mSDtfsCounter, 3619 mSDsluCounter, 4822 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3619 SdHoareTripleChecker+Valid, 11929 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-18 05:28:15,304 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3619 Valid, 11929 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-18 05:28:15,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10298 states. [2021-12-18 05:28:15,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10298 to 10280. [2021-12-18 05:28:15,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10280 states, 7871 states have (on average 1.476432473637403) internal successors, (11621), 8139 states have internal predecessors, (11621), 1921 states have call successors, (1921), 491 states have call predecessors, (1921), 487 states have return successors, (1911), 1824 states have call predecessors, (1911), 1911 states have call successors, (1911) [2021-12-18 05:28:15,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10280 states to 10280 states and 15453 transitions. [2021-12-18 05:28:15,546 INFO L78 Accepts]: Start accepts. Automaton has 10280 states and 15453 transitions. Word has length 151 [2021-12-18 05:28:15,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:28:15,546 INFO L470 AbstractCegarLoop]: Abstraction has 10280 states and 15453 transitions. [2021-12-18 05:28:15,546 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-12-18 05:28:15,547 INFO L276 IsEmpty]: Start isEmpty. Operand 10280 states and 15453 transitions. [2021-12-18 05:28:15,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-12-18 05:28:15,563 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:28:15,563 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:28:15,650 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-12-18 05:28:15,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 05:28:15,791 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:28:15,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:28:15,792 INFO L85 PathProgramCache]: Analyzing trace with hash 5358041, now seen corresponding path program 1 times [2021-12-18 05:28:15,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:28:15,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1956813241] [2021-12-18 05:28:15,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:28:15,794 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:28:15,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:28:15,795 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:28:15,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-12-18 05:28:21,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:28:21,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 2835 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-18 05:28:21,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:28:22,186 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2021-12-18 05:28:22,187 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:28:22,187 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 05:28:22,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1956813241] [2021-12-18 05:28:22,187 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1956813241] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:28:22,187 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:28:22,187 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 05:28:22,187 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121496786] [2021-12-18 05:28:22,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:28:22,187 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 05:28:22,187 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 05:28:22,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 05:28:22,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 05:28:22,188 INFO L87 Difference]: Start difference. First operand 10280 states and 15453 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-18 05:28:23,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:28:23,894 INFO L93 Difference]: Finished difference Result 24384 states and 36610 transitions. [2021-12-18 05:28:23,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 05:28:23,895 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 167 [2021-12-18 05:28:23,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:28:23,943 INFO L225 Difference]: With dead ends: 24384 [2021-12-18 05:28:23,943 INFO L226 Difference]: Without dead ends: 14130 [2021-12-18 05:28:23,967 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 05:28:23,968 INFO L933 BasicCegarLoop]: 8360 mSDtfsCounter, 3882 mSDsluCounter, 13708 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3882 SdHoareTripleChecker+Valid, 22068 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-18 05:28:23,968 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3882 Valid, 22068 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-18 05:28:23,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14130 states. [2021-12-18 05:28:24,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14130 to 10282. [2021-12-18 05:28:24,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10282 states, 7873 states have (on average 1.476184427791185) internal successors, (11622), 8141 states have internal predecessors, (11622), 1921 states have call successors, (1921), 491 states have call predecessors, (1921), 487 states have return successors, (1911), 1824 states have call predecessors, (1911), 1911 states have call successors, (1911) [2021-12-18 05:28:24,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10282 states to 10282 states and 15454 transitions. [2021-12-18 05:28:24,326 INFO L78 Accepts]: Start accepts. Automaton has 10282 states and 15454 transitions. Word has length 167 [2021-12-18 05:28:24,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:28:24,326 INFO L470 AbstractCegarLoop]: Abstraction has 10282 states and 15454 transitions. [2021-12-18 05:28:24,326 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-18 05:28:24,326 INFO L276 IsEmpty]: Start isEmpty. Operand 10282 states and 15454 transitions. [2021-12-18 05:28:24,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-12-18 05:28:24,344 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:28:24,344 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:28:24,425 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-12-18 05:28:24,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 05:28:24,559 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:28:24,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:28:24,560 INFO L85 PathProgramCache]: Analyzing trace with hash -900271211, now seen corresponding path program 1 times [2021-12-18 05:28:24,562 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:28:24,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1449347649] [2021-12-18 05:28:24,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:28:24,562 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:28:24,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:28:24,564 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:28:24,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-12-18 05:28:30,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:28:30,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 2893 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 05:28:30,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:28:31,487 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2021-12-18 05:28:31,487 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:28:31,488 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 05:28:31,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1449347649] [2021-12-18 05:28:31,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1449347649] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:28:31,488 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:28:31,488 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 05:28:31,488 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222862628] [2021-12-18 05:28:31,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:28:31,488 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 05:28:31,488 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 05:28:31,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 05:28:31,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 05:28:31,489 INFO L87 Difference]: Start difference. First operand 10282 states and 15454 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-18 05:28:31,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:28:31,838 INFO L93 Difference]: Finished difference Result 20539 states and 30878 transitions. [2021-12-18 05:28:31,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 05:28:31,839 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 196 [2021-12-18 05:28:31,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:28:31,866 INFO L225 Difference]: With dead ends: 20539 [2021-12-18 05:28:31,866 INFO L226 Difference]: Without dead ends: 10283 [2021-12-18 05:28:31,883 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 05:28:31,884 INFO L933 BasicCegarLoop]: 5650 mSDtfsCounter, 0 mSDsluCounter, 5644 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11294 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 05:28:31,884 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 11294 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 05:28:31,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10283 states. [2021-12-18 05:28:32,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10283 to 10283. [2021-12-18 05:28:32,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10283 states, 7874 states have (on average 1.4761239522479046) internal successors, (11623), 8142 states have internal predecessors, (11623), 1921 states have call successors, (1921), 491 states have call predecessors, (1921), 487 states have return successors, (1911), 1824 states have call predecessors, (1911), 1911 states have call successors, (1911) [2021-12-18 05:28:32,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10283 states to 10283 states and 15455 transitions. [2021-12-18 05:28:32,146 INFO L78 Accepts]: Start accepts. Automaton has 10283 states and 15455 transitions. Word has length 196 [2021-12-18 05:28:32,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:28:32,147 INFO L470 AbstractCegarLoop]: Abstraction has 10283 states and 15455 transitions. [2021-12-18 05:28:32,147 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-18 05:28:32,147 INFO L276 IsEmpty]: Start isEmpty. Operand 10283 states and 15455 transitions. [2021-12-18 05:28:32,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-12-18 05:28:32,165 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:28:32,165 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:28:32,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-12-18 05:28:32,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 05:28:32,392 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:28:32,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:28:32,392 INFO L85 PathProgramCache]: Analyzing trace with hash -752536678, now seen corresponding path program 1 times [2021-12-18 05:28:32,394 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:28:32,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1305144373] [2021-12-18 05:28:32,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:28:32,394 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:28:32,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:28:32,395 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:28:32,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-12-18 05:28:38,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:28:38,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 2896 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-18 05:28:38,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:28:38,901 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2021-12-18 05:28:38,901 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:28:38,902 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 05:28:38,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1305144373] [2021-12-18 05:28:38,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1305144373] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:28:38,902 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:28:38,902 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 05:28:38,902 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469806626] [2021-12-18 05:28:38,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:28:38,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 05:28:38,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 05:28:38,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 05:28:38,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 05:28:38,903 INFO L87 Difference]: Start difference. First operand 10283 states and 15455 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-18 05:28:39,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:28:39,352 INFO L93 Difference]: Finished difference Result 22581 states and 34122 transitions. [2021-12-18 05:28:39,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 05:28:39,353 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 198 [2021-12-18 05:28:39,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:28:39,397 INFO L225 Difference]: With dead ends: 22581 [2021-12-18 05:28:39,397 INFO L226 Difference]: Without dead ends: 12324 [2021-12-18 05:28:39,421 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 05:28:39,422 INFO L933 BasicCegarLoop]: 6984 mSDtfsCounter, 1666 mSDsluCounter, 5073 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1939 SdHoareTripleChecker+Valid, 12057 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-18 05:28:39,422 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1939 Valid, 12057 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-18 05:28:39,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12324 states. [2021-12-18 05:28:39,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12324 to 10289. [2021-12-18 05:28:39,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10289 states, 7880 states have (on average 1.475761421319797) internal successors, (11629), 8148 states have internal predecessors, (11629), 1921 states have call successors, (1921), 491 states have call predecessors, (1921), 487 states have return successors, (1911), 1824 states have call predecessors, (1911), 1911 states have call successors, (1911) [2021-12-18 05:28:39,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10289 states to 10289 states and 15461 transitions. [2021-12-18 05:28:39,783 INFO L78 Accepts]: Start accepts. Automaton has 10289 states and 15461 transitions. Word has length 198 [2021-12-18 05:28:39,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:28:39,784 INFO L470 AbstractCegarLoop]: Abstraction has 10289 states and 15461 transitions. [2021-12-18 05:28:39,784 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-18 05:28:39,784 INFO L276 IsEmpty]: Start isEmpty. Operand 10289 states and 15461 transitions. [2021-12-18 05:28:39,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-12-18 05:28:39,803 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:28:39,803 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:28:39,885 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-12-18 05:28:40,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 05:28:40,020 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:28:40,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:28:40,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1262009768, now seen corresponding path program 1 times [2021-12-18 05:28:40,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:28:40,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1173200306] [2021-12-18 05:28:40,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:28:40,022 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:28:40,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:28:40,023 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:28:40,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-12-18 05:28:52,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:28:53,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 2896 conjuncts, 37 conjunts are in the unsatisfiable core [2021-12-18 05:28:53,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:28:53,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:28:53,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:28:53,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:28:53,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:28:53,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:28:53,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:28:53,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:28:53,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:28:53,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:28:53,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 05:28:53,619 INFO L244 Elim1Store]: Index analysis took 347 ms [2021-12-18 05:28:54,858 INFO L354 Elim1Store]: treesize reduction 345, result has 16.1 percent of original size [2021-12-18 05:28:54,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 39 treesize of output 88 [2021-12-18 05:28:55,323 INFO L244 Elim1Store]: Index analysis took 364 ms [2021-12-18 05:28:56,542 INFO L354 Elim1Store]: treesize reduction 446, result has 13.7 percent of original size [2021-12-18 05:28:56,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 6 case distinctions, treesize of input 597 treesize of output 646 [2021-12-18 05:29:04,236 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-18 05:29:04,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 7 [2021-12-18 05:29:04,267 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-18 05:29:04,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 7 [2021-12-18 05:29:05,298 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2021-12-18 05:29:05,298 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:29:05,298 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 05:29:05,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1173200306] [2021-12-18 05:29:05,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1173200306] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:29:05,299 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:29:05,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 05:29:05,299 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5497351] [2021-12-18 05:29:05,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:29:05,299 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 05:29:05,299 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 05:29:05,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 05:29:05,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-18 05:29:05,300 INFO L87 Difference]: Start difference. First operand 10289 states and 15461 transitions. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-18 05:29:16,727 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:29:20,692 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:29:22,710 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:29:24,731 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:29:26,744 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:29:32,059 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:29:35,006 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:29:36,075 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:29:38,306 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:29:40,319 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:29:41,591 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:29:46,276 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:29:47,556 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:29:49,722 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:29:51,736 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:29:55,299 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15