./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 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF --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 0.2.1-dev-53f42b1 [2021-11-20 07:19:56,681 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:19:56,683 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:19:56,722 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:19:56,722 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:19:56,724 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:19:56,726 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:19:56,729 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:19:56,731 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:19:56,733 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:19:56,734 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:19:56,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:19:56,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:19:56,738 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:19:56,740 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:19:56,741 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:19:56,743 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:19:56,747 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:19:56,749 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:19:56,756 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:19:56,765 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:19:56,767 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:19:56,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:19:56,778 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:19:56,782 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:19:56,782 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:19:56,784 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:19:56,786 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:19:56,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:19:56,789 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:19:56,791 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:19:56,792 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:19:56,794 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:19:56,796 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:19:56,798 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:19:56,799 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:19:56,800 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:19:56,801 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:19:56,801 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:19:56,802 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:19:56,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:19:56,804 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-20 07:19:56,858 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:19:56,858 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:19:56,859 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:19:56,860 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:19:56,861 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:19:56,861 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:19:56,862 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:19:56,863 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:19:56,863 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:19:56,863 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:19:56,865 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:19:56,865 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:19:56,865 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:19:56,865 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:19:56,866 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:19:56,866 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:19:56,866 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:19:56,867 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:19:56,867 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:19:56,867 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:19:56,867 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:19:56,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:19:56,868 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:19:56,868 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:19:56,869 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:19:56,869 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:19:56,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:19:56,869 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:19:56,870 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 07:19:56,872 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:19:56,872 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:19:56,873 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa2b7015249343fdf8056852ea29542152fe4e2fe5328579e80867d2e6b2b327 [2021-11-20 07:19:57,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:19:57,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:19:57,182 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:19:57,184 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:19:57,185 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:19:57,186 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-validator-v0.6/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i [2021-11-20 07:19:57,271 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/data/5875ed8ad/f2e1baae58f8449e826b3e5d53ec4f19/FLAG8fc3d2631 [2021-11-20 07:19:58,323 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:19:58,324 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/sv-benchmarks/c/ldv-validator-v0.6/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i [2021-11-20 07:19:58,392 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/data/5875ed8ad/f2e1baae58f8449e826b3e5d53ec4f19/FLAG8fc3d2631 [2021-11-20 07:19:58,626 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/data/5875ed8ad/f2e1baae58f8449e826b3e5d53ec4f19 [2021-11-20 07:19:58,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:19:58,630 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:19:58,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:19:58,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:19:58,649 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:19:58,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:19:58" (1/1) ... [2021-11-20 07:19:58,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f4961de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:19:58, skipping insertion in model container [2021-11-20 07:19:58,651 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:19:58" (1/1) ... [2021-11-20 07:19:58,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:19:58,852 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:19:59,600 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/sv-benchmarks/c/ldv-validator-v0.6/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i[81795,81808] [2021-11-20 07:20:02,168 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:20:02,329 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:20:02,434 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/sv-benchmarks/c/ldv-validator-v0.6/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i[81795,81808] [2021-11-20 07:20:02,995 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:20:03,266 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:20:03,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:20:03 WrapperNode [2021-11-20 07:20:03,267 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:20:03,268 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:20:03,268 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:20:03,268 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:20:03,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:20:03" (1/1) ... [2021-11-20 07:20:03,444 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:20:03" (1/1) ... [2021-11-20 07:20:03,798 INFO L137 Inliner]: procedures = 414, calls = 5134, calls flagged for inlining = 149, calls inlined = 134, statements flattened = 10048 [2021-11-20 07:20:03,799 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:20:03,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:20:03,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:20:03,800 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:20:03,824 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:20:03" (1/1) ... [2021-11-20 07:20:03,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:20:03" (1/1) ... [2021-11-20 07:20:03,994 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:20:03" (1/1) ... [2021-11-20 07:20:04,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:20:03" (1/1) ... [2021-11-20 07:20:04,409 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:20:03" (1/1) ... [2021-11-20 07:20:04,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:20:03" (1/1) ... [2021-11-20 07:20:04,602 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:20:03" (1/1) ... [2021-11-20 07:20:04,699 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:20:04,700 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:20:04,700 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:20:04,700 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:20:04,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:20:03" (1/1) ... [2021-11-20 07:20:04,720 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:20:04,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:20:04,745 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:20:04,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:20:04,795 INFO L130 BoogieDeclarations]: Found specification of procedure timer_open [2021-11-20 07:20:04,796 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_open [2021-11-20 07:20:04,796 INFO L130 BoogieDeclarations]: Found specification of procedure poll_def_tmr [2021-11-20 07:20:04,796 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_def_tmr [2021-11-20 07:20:04,796 INFO L130 BoogieDeclarations]: Found specification of procedure timer_event [2021-11-20 07:20:04,796 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_event [2021-11-20 07:20:04,797 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_channels [2021-11-20 07:20:04,797 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_channels [2021-11-20 07:20:04,797 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-20 07:20:04,797 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-20 07:20:04,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 07:20:04,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 07:20:04,798 INFO L130 BoogieDeclarations]: Found specification of procedure dma_reset_output [2021-11-20 07:20:04,798 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_reset_output [2021-11-20 07:20:04,798 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~TO~int [2021-11-20 07:20:04,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~TO~int [2021-11-20 07:20:04,798 INFO L130 BoogieDeclarations]: Found specification of procedure seq_input_event [2021-11-20 07:20:04,799 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_input_event [2021-11-20 07:20:04,799 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_release [2021-11-20 07:20:04,799 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_release [2021-11-20 07:20:04,799 INFO L130 BoogieDeclarations]: Found specification of procedure local_start_dma [2021-11-20 07:20:04,800 INFO L138 BoogieDeclarations]: Found implementation of procedure local_start_dma [2021-11-20 07:20:04,800 INFO L130 BoogieDeclarations]: Found specification of procedure translate_bytes [2021-11-20 07:20:04,800 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_bytes [2021-11-20 07:20:04,800 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2021-11-20 07:20:04,800 INFO L130 BoogieDeclarations]: Found specification of procedure seq_copy_to_input [2021-11-20 07:20:04,801 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_copy_to_input [2021-11-20 07:20:04,801 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-20 07:20:04,801 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-20 07:20:04,801 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_sync [2021-11-20 07:20:04,801 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_sync [2021-11-20 07:20:04,801 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~$Pointer$~TO~int [2021-11-20 07:20:04,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~$Pointer$~TO~int [2021-11-20 07:20:04,802 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_launch_output [2021-11-20 07:20:04,802 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_launch_output [2021-11-20 07:20:04,802 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-20 07:20:04,802 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-20 07:20:04,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_soundcard_mutex [2021-11-20 07:20:04,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_soundcard_mutex [2021-11-20 07:20:04,803 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-20 07:20:04,803 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-20 07:20:04,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:20:04,804 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_space_in_queue [2021-11-20 07:20:04,804 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_space_in_queue [2021-11-20 07:20:04,804 INFO L130 BoogieDeclarations]: Found specification of procedure timer_get_time [2021-11-20 07:20:04,804 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_get_time [2021-11-20 07:20:04,805 INFO L130 BoogieDeclarations]: Found specification of procedure enable_dma [2021-11-20 07:20:04,805 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_dma [2021-11-20 07:20:04,805 INFO L130 BoogieDeclarations]: Found specification of procedure timer_ioctl [2021-11-20 07:20:04,805 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_ioctl [2021-11-20 07:20:04,805 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-20 07:20:04,806 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-20 07:20:04,806 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-11-20 07:20:04,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-11-20 07:20:04,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-20 07:20:04,807 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-20 07:20:04,807 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-20 07:20:04,808 INFO L130 BoogieDeclarations]: Found specification of procedure sound_mixer_ioctl [2021-11-20 07:20:04,808 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_mixer_ioctl [2021-11-20 07:20:04,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 07:20:04,809 INFO L130 BoogieDeclarations]: Found specification of procedure midi_poll [2021-11-20 07:20:04,809 INFO L138 BoogieDeclarations]: Found implementation of procedure midi_poll [2021-11-20 07:20:04,809 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_arm [2021-11-20 07:20:04,809 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_arm [2021-11-20 07:20:04,810 INFO L130 BoogieDeclarations]: Found specification of procedure dma_subdivide [2021-11-20 07:20:04,810 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_subdivide [2021-11-20 07:20:04,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 07:20:04,811 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_activate_recording [2021-11-20 07:20:04,811 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_activate_recording [2021-11-20 07:20:04,811 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-20 07:20:04,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-20 07:20:04,812 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user [2021-11-20 07:20:04,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user [2021-11-20 07:20:04,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-20 07:20:04,813 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-20 07:20:04,813 INFO L130 BoogieDeclarations]: Found specification of procedure seq_sync [2021-11-20 07:20:04,813 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_sync [2021-11-20 07:20:04,814 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_bits [2021-11-20 07:20:04,814 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_bits [2021-11-20 07:20:04,814 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_sound_special [2021-11-20 07:20:04,814 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_sound_special [2021-11-20 07:20:04,814 INFO L130 BoogieDeclarations]: Found specification of procedure close_dmap [2021-11-20 07:20:04,814 INFO L138 BoogieDeclarations]: Found implementation of procedure close_dmap [2021-11-20 07:20:04,815 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_close [2021-11-20 07:20:04,815 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_close [2021-11-20 07:20:04,815 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2021-11-20 07:20:04,815 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-20 07:20:04,815 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-20 07:20:04,815 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-20 07:20:04,816 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-20 07:20:04,816 INFO L130 BoogieDeclarations]: Found specification of procedure timer_arm [2021-11-20 07:20:04,817 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_arm [2021-11-20 07:20:04,817 INFO L130 BoogieDeclarations]: Found specification of procedure register_sound_special [2021-11-20 07:20:04,817 INFO L138 BoogieDeclarations]: Found implementation of procedure register_sound_special [2021-11-20 07:20:04,817 INFO L130 BoogieDeclarations]: Found specification of procedure sound_mmap [2021-11-20 07:20:04,817 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_mmap [2021-11-20 07:20:04,818 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2021-11-20 07:20:04,819 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2021-11-20 07:20:04,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 07:20:04,819 INFO L130 BoogieDeclarations]: Found specification of procedure claim_dma_lock [2021-11-20 07:20:04,820 INFO L138 BoogieDeclarations]: Found implementation of procedure claim_dma_lock [2021-11-20 07:20:04,820 INFO L130 BoogieDeclarations]: Found specification of procedure timer_close [2021-11-20 07:20:04,820 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_close [2021-11-20 07:20:04,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:20:04,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 07:20:04,821 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-20 07:20:04,821 INFO L130 BoogieDeclarations]: Found specification of procedure dma_reset_input [2021-11-20 07:20:04,821 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_reset_input [2021-11-20 07:20:04,821 INFO L130 BoogieDeclarations]: Found specification of procedure interruptible_sleep_on_timeout [2021-11-20 07:20:04,822 INFO L138 BoogieDeclarations]: Found implementation of procedure interruptible_sleep_on_timeout [2021-11-20 07:20:04,822 INFO L130 BoogieDeclarations]: Found specification of procedure set_format [2021-11-20 07:20:04,822 INFO L138 BoogieDeclarations]: Found implementation of procedure set_format [2021-11-20 07:20:04,822 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_reset [2021-11-20 07:20:04,823 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_reset [2021-11-20 07:20:04,823 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2021-11-20 07:20:04,823 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2021-11-20 07:20:04,823 INFO L130 BoogieDeclarations]: Found specification of procedure seq_reset [2021-11-20 07:20:04,824 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_reset [2021-11-20 07:20:04,825 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2021-11-20 07:20:04,827 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2021-11-20 07:20:04,827 INFO L130 BoogieDeclarations]: Found specification of procedure seq_drain_midi_queues [2021-11-20 07:20:04,828 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_drain_midi_queues [2021-11-20 07:20:04,828 INFO L130 BoogieDeclarations]: Found specification of procedure dma_ioctl [2021-11-20 07:20:04,828 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_ioctl [2021-11-20 07:20:04,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_soundcard_mutex [2021-11-20 07:20:04,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_soundcard_mutex [2021-11-20 07:20:04,830 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2021-11-20 07:20:04,830 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2021-11-20 07:20:04,836 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~X~int~TO~int [2021-11-20 07:20:04,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~X~int~TO~int [2021-11-20 07:20:04,837 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~VOID [2021-11-20 07:20:04,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~VOID [2021-11-20 07:20:04,837 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-11-20 07:20:04,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-11-20 07:20:04,838 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2021-11-20 07:20:04,838 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2021-11-20 07:20:04,838 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-20 07:20:04,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-20 07:20:04,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:20:04,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:20:04,839 INFO L130 BoogieDeclarations]: Found specification of procedure seq_startplay [2021-11-20 07:20:04,839 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_startplay [2021-11-20 07:20:04,839 INFO L130 BoogieDeclarations]: Found specification of procedure clear_dma_ff [2021-11-20 07:20:04,839 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_dma_ff [2021-11-20 07:20:04,839 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~TO~VOID [2021-11-20 07:20:04,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~TO~VOID [2021-11-20 07:20:04,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-20 07:20:04,840 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-20 07:20:04,840 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-11-20 07:20:04,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-11-20 07:20:04,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 07:20:04,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 07:20:04,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 07:20:04,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 07:20:04,841 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-20 07:20:04,841 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-20 07:20:04,841 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-20 07:20:04,841 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2021-11-20 07:20:04,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2021-11-20 07:20:04,842 INFO L130 BoogieDeclarations]: Found specification of procedure translate_mode [2021-11-20 07:20:04,842 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_mode [2021-11-20 07:20:04,842 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get___0 [2021-11-20 07:20:04,842 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get___0 [2021-11-20 07:20:04,842 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_move_wrpointer [2021-11-20 07:20:04,842 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_move_wrpointer [2021-11-20 07:20:04,843 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-20 07:20:04,843 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-20 07:20:04,843 INFO L130 BoogieDeclarations]: Found specification of procedure tmr_reset [2021-11-20 07:20:04,843 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr_reset [2021-11-20 07:20:04,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-20 07:20:04,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-20 07:20:04,843 INFO L130 BoogieDeclarations]: Found specification of procedure sound_stop_timer [2021-11-20 07:20:04,844 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_stop_timer [2021-11-20 07:20:04,844 INFO L130 BoogieDeclarations]: Found specification of procedure tmr2ticks___0 [2021-11-20 07:20:04,844 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr2ticks___0 [2021-11-20 07:20:04,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 07:20:04,845 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 07:20:04,845 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-20 07:20:04,845 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-20 07:20:04,845 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-11-20 07:20:04,845 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-11-20 07:20:04,845 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-20 07:20:04,846 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-20 07:20:04,846 INFO L130 BoogieDeclarations]: Found specification of procedure tmr_reset___0 [2021-11-20 07:20:04,846 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr_reset___0 [2021-11-20 07:20:04,846 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~X~int~TO~VOID [2021-11-20 07:20:04,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~X~int~TO~VOID [2021-11-20 07:20:04,846 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2021-11-20 07:20:04,847 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2021-11-20 07:20:04,847 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2021-11-20 07:20:04,847 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2021-11-20 07:20:04,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:20:04,848 INFO L130 BoogieDeclarations]: Found specification of procedure sound_free_dmap [2021-11-20 07:20:04,849 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_free_dmap [2021-11-20 07:20:04,849 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2021-11-20 07:20:04,849 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2021-11-20 07:20:04,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 07:20:04,849 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-20 07:20:04,849 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-20 07:20:04,850 INFO L130 BoogieDeclarations]: Found specification of procedure reprogram_timer [2021-11-20 07:20:04,850 INFO L138 BoogieDeclarations]: Found implementation of procedure reprogram_timer [2021-11-20 07:20:04,850 INFO L130 BoogieDeclarations]: Found specification of procedure midi_outc___0 [2021-11-20 07:20:04,850 INFO L138 BoogieDeclarations]: Found implementation of procedure midi_outc___0 [2021-11-20 07:20:04,850 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-11-20 07:20:04,850 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-11-20 07:20:04,851 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~int [2021-11-20 07:20:04,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~int [2021-11-20 07:20:04,851 INFO L130 BoogieDeclarations]: Found specification of procedure dmabuf_timeout [2021-11-20 07:20:04,851 INFO L138 BoogieDeclarations]: Found implementation of procedure dmabuf_timeout [2021-11-20 07:20:04,851 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info___0 [2021-11-20 07:20:04,851 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info___0 [2021-11-20 07:20:04,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 07:20:04,852 INFO L130 BoogieDeclarations]: Found specification of procedure module_is_live [2021-11-20 07:20:04,852 INFO L138 BoogieDeclarations]: Found implementation of procedure module_is_live [2021-11-20 07:20:04,852 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-20 07:20:04,852 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-20 07:20:04,852 INFO L130 BoogieDeclarations]: Found specification of procedure sound_start_dma [2021-11-20 07:20:04,852 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_start_dma [2021-11-20 07:20:04,852 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_event [2021-11-20 07:20:04,853 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_event [2021-11-20 07:20:04,853 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-20 07:20:04,853 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-20 07:20:04,853 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-20 07:20:04,853 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-20 07:20:04,853 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_open [2021-11-20 07:20:04,853 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_open [2021-11-20 07:20:04,854 INFO L130 BoogieDeclarations]: Found specification of procedure do_midi_msg [2021-11-20 07:20:04,854 INFO L138 BoogieDeclarations]: Found implementation of procedure do_midi_msg [2021-11-20 07:20:04,854 INFO L130 BoogieDeclarations]: Found specification of procedure interruptible_sleep_on [2021-11-20 07:20:04,854 INFO L138 BoogieDeclarations]: Found implementation of procedure interruptible_sleep_on [2021-11-20 07:20:04,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-20 07:20:04,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-20 07:20:04,855 INFO L130 BoogieDeclarations]: Found specification of procedure waitqueue_active [2021-11-20 07:20:04,855 INFO L138 BoogieDeclarations]: Found implementation of procedure waitqueue_active [2021-11-20 07:20:04,855 INFO L130 BoogieDeclarations]: Found specification of procedure sound_alloc_dmap [2021-11-20 07:20:04,855 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_alloc_dmap [2021-11-20 07:20:04,855 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_fragment [2021-11-20 07:20:04,855 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_fragment [2021-11-20 07:20:04,855 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_get_time [2021-11-20 07:20:04,856 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_get_time [2021-11-20 07:20:04,856 INFO L130 BoogieDeclarations]: Found specification of procedure sequencer_timer [2021-11-20 07:20:04,856 INFO L138 BoogieDeclarations]: Found implementation of procedure sequencer_timer [2021-11-20 07:20:04,856 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_speed [2021-11-20 07:20:04,856 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_speed [2021-11-20 07:20:04,856 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-11-20 07:20:04,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-11-20 07:20:04,861 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_residue [2021-11-20 07:20:04,861 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_residue [2021-11-20 07:20:04,862 INFO L130 BoogieDeclarations]: Found specification of procedure sync_output [2021-11-20 07:20:04,862 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_output [2021-11-20 07:20:04,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 07:20:04,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 07:20:04,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 07:20:04,862 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2021-11-20 07:20:04,863 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2021-11-20 07:20:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure open_dmap [2021-11-20 07:20:04,864 INFO L138 BoogieDeclarations]: Found implementation of procedure open_dmap [2021-11-20 07:20:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure release_dma_lock [2021-11-20 07:20:04,865 INFO L138 BoogieDeclarations]: Found implementation of procedure release_dma_lock [2021-11-20 07:20:04,865 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2021-11-20 07:20:04,865 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2021-11-20 07:20:04,865 INFO L130 BoogieDeclarations]: Found specification of procedure sound_poll [2021-11-20 07:20:04,865 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_poll [2021-11-20 07:20:04,865 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-20 07:20:04,865 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-20 07:20:04,866 INFO L130 BoogieDeclarations]: Found specification of procedure do_sequencer_timer [2021-11-20 07:20:04,866 INFO L138 BoogieDeclarations]: Found implementation of procedure do_sequencer_timer [2021-11-20 07:20:04,866 INFO L130 BoogieDeclarations]: Found specification of procedure disable_dma [2021-11-20 07:20:04,866 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_dma [2021-11-20 07:20:04,866 INFO L130 BoogieDeclarations]: Found specification of procedure tmr2ticks [2021-11-20 07:20:04,866 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr2ticks [2021-11-20 07:20:04,866 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-11-20 07:20:04,867 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-11-20 07:20:04,867 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-20 07:20:04,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-20 07:20:04,867 INFO L130 BoogieDeclarations]: Found specification of procedure request_sound_timer [2021-11-20 07:20:04,867 INFO L138 BoogieDeclarations]: Found implementation of procedure request_sound_timer [2021-11-20 07:20:04,867 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_get_buffer_pointer [2021-11-20 07:20:04,867 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_get_buffer_pointer [2021-11-20 07:20:04,868 INFO L130 BoogieDeclarations]: Found specification of procedure sound_write [2021-11-20 07:20:04,868 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_write [2021-11-20 07:20:04,868 INFO L130 BoogieDeclarations]: Found specification of procedure play_event [2021-11-20 07:20:04,868 INFO L138 BoogieDeclarations]: Found implementation of procedure play_event [2021-11-20 07:20:04,868 INFO L130 BoogieDeclarations]: Found specification of procedure reorganize_buffers [2021-11-20 07:20:04,868 INFO L138 BoogieDeclarations]: Found implementation of procedure reorganize_buffers [2021-11-20 07:20:04,869 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-20 07:20:04,869 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-20 07:20:04,869 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-11-20 07:20:04,869 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-11-20 07:20:04,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:20:04,869 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_ioctl [2021-11-20 07:20:04,869 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_ioctl [2021-11-20 07:20:05,912 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:20:05,920 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:20:06,528 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 07:20:06,666 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3836: assume 0 != ~tmp___1~3;#res := ~ret~3; [2021-11-20 07:20:06,666 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3836: assume !(0 != ~tmp___1~3);#res := ~ret~3; [2021-11-20 07:20:06,667 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3803: havoc #t~switch115; [2021-11-20 07:20:06,667 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3832: assume #t~switch115; [2021-11-20 07:20:06,667 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3832: assume !#t~switch115;#t~switch115 := true; [2021-11-20 07:20:06,667 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3824: assume 0 != ~tmp___0~8;#res := ~ret~3; [2021-11-20 07:20:06,667 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3824: assume !(0 != ~tmp___0~8);#res := ~ret~3; [2021-11-20 07:20:06,667 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3820: assume #t~switch115; [2021-11-20 07:20:06,667 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3820: assume !#t~switch115;#t~switch115 := #t~switch115 || 16 == ~size; [2021-11-20 07:20:06,668 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3816: assume #t~switch115;#res := ~ret~3; [2021-11-20 07:20:06,668 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3816: assume !#t~switch115;#t~switch115 := #t~switch115 || 10 == ~size; [2021-11-20 07:20:06,668 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume #t~switch115;#res := ~ret~3; [2021-11-20 07:20:06,668 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3812: assume #t~switch115;#res := ~ret~3; [2021-11-20 07:20:06,668 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3812: assume !#t~switch115;#t~switch115 := #t~switch115 || 8 == ~size; [2021-11-20 07:20:06,668 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); [2021-11-20 07:20:06,669 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 [2021-11-20 07:20:06,669 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !#t~switch115;#t~switch115 := #t~switch115 || 2 == ~size; [2021-11-20 07:20:06,669 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3808: assume #t~switch115;#res := ~ret~3; [2021-11-20 07:20:06,669 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3808: assume !#t~switch115;#t~switch115 := #t~switch115 || 4 == ~size; [2021-11-20 07:20:06,669 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3835-1: assume -9223372036854775808 <= #t~ret117 && #t~ret117 <= 9223372036854775807;~tmp___1~3 := #t~ret117;havoc #t~ret117; [2021-11-20 07:20:06,669 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 [2021-11-20 07:20:06,669 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3823-1: assume -9223372036854775808 <= #t~ret116 && #t~ret116 <= 9223372036854775807;~tmp___0~8 := #t~ret116;havoc #t~ret116; [2021-11-20 07:20:06,670 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 [2021-11-20 07:20:06,670 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3844: assume #t~switch115; [2021-11-20 07:20:06,670 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3844: assume !#t~switch115; [2021-11-20 07:20:16,300 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3738: havoc __copy_from_user_#t~switch110#1; [2021-11-20 07:20:16,300 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; [2021-11-20 07:20:16,300 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; [2021-11-20 07:20:16,300 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; [2021-11-20 07:20:16,300 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; [2021-11-20 07:20:16,300 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; [2021-11-20 07:20:16,300 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; [2021-11-20 07:20:16,300 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3759: assume __copy_from_user_#t~switch110#1; [2021-11-20 07:20:16,301 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; [2021-11-20 07:20:16,301 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; [2021-11-20 07:20:16,301 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 [2021-11-20 07:20:16,301 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; [2021-11-20 07:20:16,301 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; [2021-11-20 07:20:16,301 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3772: assume __copy_from_user_#t~switch110#1; [2021-11-20 07:20:16,301 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3772: assume !__copy_from_user_#t~switch110#1;__copy_from_user_#t~switch110#1 := true; [2021-11-20 07:20:16,301 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 [2021-11-20 07:20:16,301 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; [2021-11-20 07:20:16,301 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; [2021-11-20 07:20:16,301 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; [2021-11-20 07:20:16,302 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3785: assume __copy_from_user_#t~switch110#1; [2021-11-20 07:20:16,302 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3785: assume !__copy_from_user_#t~switch110#1; [2021-11-20 07:20:16,302 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 [2021-11-20 07:20:16,302 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); [2021-11-20 07:20:16,302 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; [2021-11-20 07:20:16,302 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; [2021-11-20 07:20:16,492 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:20:16,534 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:20:16,534 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 07:20:16,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:20:16 BoogieIcfgContainer [2021-11-20 07:20:16,542 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:20:16,543 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:20:16,543 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:20:16,546 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:20:16,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:19:58" (1/3) ... [2021-11-20 07:20:16,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d460c2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:20:16, skipping insertion in model container [2021-11-20 07:20:16,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:20:03" (2/3) ... [2021-11-20 07:20:16,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d460c2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:20:16, skipping insertion in model container [2021-11-20 07:20:16,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:20:16" (3/3) ... [2021-11-20 07:20:16,550 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i [2021-11-20 07:20:16,555 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:20:16,555 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 07:20:16,629 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 07:20:16,640 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 [2021-11-20 07:20:16,640 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 07:20:16,731 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) [2021-11-20 07:20:16,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-20 07:20:16,740 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:20:16,741 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] [2021-11-20 07:20:16,741 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:20:16,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:20:16,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1066878759, now seen corresponding path program 1 times [2021-11-20 07:20:16,755 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:20:16,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610750181] [2021-11-20 07:20:16,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:20:16,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:20:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:17,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:20:17,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:17,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:20:17,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:17,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:20:17,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:17,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 07:20:17,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:17,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 07:20:17,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:17,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:20:17,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:17,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:20:17,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:17,555 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-20 07:20:17,556 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:20:17,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610750181] [2021-11-20 07:20:17,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610750181] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:20:17,558 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:20:17,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:20:17,560 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622732097] [2021-11-20 07:20:17,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:20:17,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:20:17,566 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:20:17,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:20:17,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:20:17,611 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) [2021-11-20 07:20:27,280 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:20:29,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:20:29,529 INFO L93 Difference]: Finished difference Result 9183 states and 14360 transitions. [2021-11-20 07:20:29,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:20:29,533 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 [2021-11-20 07:20:29,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:20:29,608 INFO L225 Difference]: With dead ends: 9183 [2021-11-20 07:20:29,608 INFO L226 Difference]: Without dead ends: 5374 [2021-11-20 07:20:29,636 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 [2021-11-20 07:20:29,640 INFO L933 BasicCegarLoop]: 5665 mSDtfsCounter, 3984 mSDsluCounter, 7297 mSDsCounter, 0 mSdLazyCounter, 3126 mSolverCounterSat, 1369 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4286 SdHoareTripleChecker+Valid, 12962 SdHoareTripleChecker+Invalid, 4496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1369 IncrementalHoareTripleChecker+Valid, 3126 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2021-11-20 07:20:29,641 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4286 Valid, 12962 Invalid, 4496 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1369 Valid, 3126 Invalid, 1 Unknown, 0 Unchecked, 11.2s Time] [2021-11-20 07:20:29,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5374 states. [2021-11-20 07:20:30,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5374 to 4841. [2021-11-20 07:20:30,062 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) [2021-11-20 07:20:30,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4841 states to 4841 states and 7445 transitions. [2021-11-20 07:20:30,117 INFO L78 Accepts]: Start accepts. Automaton has 4841 states and 7445 transitions. Word has length 57 [2021-11-20 07:20:30,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:20:30,119 INFO L470 AbstractCegarLoop]: Abstraction has 4841 states and 7445 transitions. [2021-11-20 07:20:30,119 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) [2021-11-20 07:20:30,120 INFO L276 IsEmpty]: Start isEmpty. Operand 4841 states and 7445 transitions. [2021-11-20 07:20:30,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-20 07:20:30,130 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:20:30,131 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] [2021-11-20 07:20:30,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 07:20:30,131 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:20:30,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:20:30,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1168157038, now seen corresponding path program 1 times [2021-11-20 07:20:30,132 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:20:30,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724298204] [2021-11-20 07:20:30,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:20:30,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:20:30,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:30,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:20:30,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:30,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:20:30,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:30,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:20:30,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:30,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 07:20:30,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:30,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 07:20:30,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:30,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:20:30,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:30,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:20:30,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:30,639 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-20 07:20:30,640 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:20:30,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724298204] [2021-11-20 07:20:30,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724298204] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:20:30,641 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:20:30,641 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:20:30,641 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741681756] [2021-11-20 07:20:30,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:20:30,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:20:30,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:20:30,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:20:30,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:20:30,648 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) [2021-11-20 07:20:38,451 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:20:40,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:20:40,307 INFO L93 Difference]: Finished difference Result 10192 states and 15811 transitions. [2021-11-20 07:20:40,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:20:40,307 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 [2021-11-20 07:20:40,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:20:40,350 INFO L225 Difference]: With dead ends: 10192 [2021-11-20 07:20:40,350 INFO L226 Difference]: Without dead ends: 5366 [2021-11-20 07:20:40,373 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 [2021-11-20 07:20:40,374 INFO L933 BasicCegarLoop]: 5492 mSDtfsCounter, 6976 mSDsluCounter, 2404 mSDsCounter, 0 mSdLazyCounter, 1773 mSolverCounterSat, 1595 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7457 SdHoareTripleChecker+Valid, 7896 SdHoareTripleChecker+Invalid, 3369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1595 IncrementalHoareTripleChecker+Valid, 1773 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2021-11-20 07:20:40,375 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7457 Valid, 7896 Invalid, 3369 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1595 Valid, 1773 Invalid, 1 Unknown, 0 Unchecked, 9.2s Time] [2021-11-20 07:20:40,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5366 states. [2021-11-20 07:20:40,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5366 to 4841. [2021-11-20 07:20:40,591 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) [2021-11-20 07:20:40,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4841 states to 4841 states and 7443 transitions. [2021-11-20 07:20:40,611 INFO L78 Accepts]: Start accepts. Automaton has 4841 states and 7443 transitions. Word has length 65 [2021-11-20 07:20:40,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:20:40,612 INFO L470 AbstractCegarLoop]: Abstraction has 4841 states and 7443 transitions. [2021-11-20 07:20:40,613 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) [2021-11-20 07:20:40,613 INFO L276 IsEmpty]: Start isEmpty. Operand 4841 states and 7443 transitions. [2021-11-20 07:20:40,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-20 07:20:40,616 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:20:40,616 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] [2021-11-20 07:20:40,616 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 07:20:40,617 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:20:40,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:20:40,617 INFO L85 PathProgramCache]: Analyzing trace with hash -420190864, now seen corresponding path program 1 times [2021-11-20 07:20:40,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:20:40,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727326999] [2021-11-20 07:20:40,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:20:40,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:20:40,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:40,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:20:40,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:40,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:20:40,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:40,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:20:40,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:40,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 07:20:40,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:40,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 07:20:40,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:40,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:20:40,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:40,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:20:40,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:40,985 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-20 07:20:40,986 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:20:40,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727326999] [2021-11-20 07:20:40,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727326999] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:20:40,986 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:20:40,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:20:40,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489565566] [2021-11-20 07:20:40,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:20:40,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:20:40,990 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:20:40,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:20:40,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:20:40,993 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) [2021-11-20 07:20:48,725 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:20:50,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:20:50,235 INFO L93 Difference]: Finished difference Result 5381 states and 8398 transitions. [2021-11-20 07:20:50,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:20:50,236 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 [2021-11-20 07:20:50,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:20:50,279 INFO L225 Difference]: With dead ends: 5381 [2021-11-20 07:20:50,279 INFO L226 Difference]: Without dead ends: 5378 [2021-11-20 07:20:50,282 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 [2021-11-20 07:20:50,283 INFO L933 BasicCegarLoop]: 5503 mSDtfsCounter, 6953 mSDsluCounter, 2427 mSDsCounter, 0 mSdLazyCounter, 1782 mSolverCounterSat, 1591 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7437 SdHoareTripleChecker+Valid, 7930 SdHoareTripleChecker+Invalid, 3374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1591 IncrementalHoareTripleChecker+Valid, 1782 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:20:50,284 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7437 Valid, 7930 Invalid, 3374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1591 Valid, 1782 Invalid, 1 Unknown, 0 Unchecked, 9.0s Time] [2021-11-20 07:20:50,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5378 states. [2021-11-20 07:20:50,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5378 to 4851. [2021-11-20 07:20:50,527 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) [2021-11-20 07:20:50,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4851 states to 4851 states and 7452 transitions. [2021-11-20 07:20:50,550 INFO L78 Accepts]: Start accepts. Automaton has 4851 states and 7452 transitions. Word has length 65 [2021-11-20 07:20:50,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:20:50,551 INFO L470 AbstractCegarLoop]: Abstraction has 4851 states and 7452 transitions. [2021-11-20 07:20:50,552 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) [2021-11-20 07:20:50,552 INFO L276 IsEmpty]: Start isEmpty. Operand 4851 states and 7452 transitions. [2021-11-20 07:20:50,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-20 07:20:50,554 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:20:50,554 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] [2021-11-20 07:20:50,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 07:20:50,555 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:20:50,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:20:50,555 INFO L85 PathProgramCache]: Analyzing trace with hash -142231472, now seen corresponding path program 1 times [2021-11-20 07:20:50,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:20:50,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012551072] [2021-11-20 07:20:50,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:20:50,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:20:50,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:50,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:20:50,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:50,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:20:50,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:50,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:20:50,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:50,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 07:20:50,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:50,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 07:20:50,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:50,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:20:50,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:50,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:20:50,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:50,839 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-20 07:20:50,839 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:20:50,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012551072] [2021-11-20 07:20:50,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012551072] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:20:50,840 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:20:50,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:20:50,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064418522] [2021-11-20 07:20:50,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:20:50,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:20:50,841 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:20:50,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:20:50,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:20:50,842 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) [2021-11-20 07:21:00,212 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:21:02,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:21:02,454 INFO L93 Difference]: Finished difference Result 8450 states and 13058 transitions. [2021-11-20 07:21:02,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:21:02,455 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 [2021-11-20 07:21:02,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:21:02,529 INFO L225 Difference]: With dead ends: 8450 [2021-11-20 07:21:02,529 INFO L226 Difference]: Without dead ends: 8362 [2021-11-20 07:21:02,537 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 [2021-11-20 07:21:02,538 INFO L933 BasicCegarLoop]: 6111 mSDtfsCounter, 4725 mSDsluCounter, 7367 mSDsCounter, 0 mSdLazyCounter, 3333 mSolverCounterSat, 1643 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5078 SdHoareTripleChecker+Valid, 13478 SdHoareTripleChecker+Invalid, 4977 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1643 IncrementalHoareTripleChecker+Valid, 3333 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2021-11-20 07:21:02,538 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5078 Valid, 13478 Invalid, 4977 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1643 Valid, 3333 Invalid, 1 Unknown, 0 Unchecked, 11.2s Time] [2021-11-20 07:21:02,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8362 states. [2021-11-20 07:21:02,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8362 to 7445. [2021-11-20 07:21:02,960 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) [2021-11-20 07:21:02,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7445 states to 7445 states and 11358 transitions. [2021-11-20 07:21:02,990 INFO L78 Accepts]: Start accepts. Automaton has 7445 states and 11358 transitions. Word has length 66 [2021-11-20 07:21:02,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:21:02,992 INFO L470 AbstractCegarLoop]: Abstraction has 7445 states and 11358 transitions. [2021-11-20 07:21:02,992 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) [2021-11-20 07:21:02,992 INFO L276 IsEmpty]: Start isEmpty. Operand 7445 states and 11358 transitions. [2021-11-20 07:21:03,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-20 07:21:03,004 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:21:03,004 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] [2021-11-20 07:21:03,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 07:21:03,005 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:21:03,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:21:03,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1797917777, now seen corresponding path program 1 times [2021-11-20 07:21:03,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:21:03,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747769370] [2021-11-20 07:21:03,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:21:03,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:21:03,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:03,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:21:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:03,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:21:03,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:03,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:21:03,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:03,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 07:21:03,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:03,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 07:21:03,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:03,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:21:03,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:03,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:21:03,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:03,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-20 07:21:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:03,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-20 07:21:03,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:03,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-20 07:21:03,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:03,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-20 07:21:03,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:03,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-20 07:21:03,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:03,431 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-20 07:21:03,432 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:21:03,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747769370] [2021-11-20 07:21:03,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747769370] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:21:03,432 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:21:03,433 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-20 07:21:03,433 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110094944] [2021-11-20 07:21:03,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:21:03,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 07:21:03,435 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:21:03,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 07:21:03,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:21:03,435 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) [2021-11-20 07:21:07,620 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 07:21:23,198 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:21:26,621 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:21:29,424 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 07:21:34,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:21:34,181 INFO L93 Difference]: Finished difference Result 15805 states and 24296 transitions. [2021-11-20 07:21:34,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 07:21:34,181 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 [2021-11-20 07:21:34,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:21:34,237 INFO L225 Difference]: With dead ends: 15805 [2021-11-20 07:21:34,237 INFO L226 Difference]: Without dead ends: 8368 [2021-11-20 07:21:34,275 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2021-11-20 07:21:34,276 INFO L933 BasicCegarLoop]: 5265 mSDtfsCounter, 4236 mSDsluCounter, 15946 mSDsCounter, 0 mSdLazyCounter, 14759 mSolverCounterSat, 2164 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4527 SdHoareTripleChecker+Valid, 21211 SdHoareTripleChecker+Invalid, 16926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2164 IncrementalHoareTripleChecker+Valid, 14759 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.2s IncrementalHoareTripleChecker+Time [2021-11-20 07:21:34,276 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4527 Valid, 21211 Invalid, 16926 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2164 Valid, 14759 Invalid, 3 Unknown, 0 Unchecked, 30.2s Time] [2021-11-20 07:21:34,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8368 states. [2021-11-20 07:21:34,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8368 to 7440. [2021-11-20 07:21:34,733 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) [2021-11-20 07:21:34,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7440 states to 7440 states and 11350 transitions. [2021-11-20 07:21:34,765 INFO L78 Accepts]: Start accepts. Automaton has 7440 states and 11350 transitions. Word has length 110 [2021-11-20 07:21:34,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:21:34,766 INFO L470 AbstractCegarLoop]: Abstraction has 7440 states and 11350 transitions. [2021-11-20 07:21:34,766 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) [2021-11-20 07:21:34,767 INFO L276 IsEmpty]: Start isEmpty. Operand 7440 states and 11350 transitions. [2021-11-20 07:21:34,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-20 07:21:34,782 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:21:34,782 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] [2021-11-20 07:21:34,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 07:21:34,782 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:21:34,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:21:34,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1200842010, now seen corresponding path program 1 times [2021-11-20 07:21:34,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:21:34,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142965412] [2021-11-20 07:21:34,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:21:34,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:21:34,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:35,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:21:35,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:35,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:21:35,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:35,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:21:35,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:35,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 07:21:35,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:35,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 07:21:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:35,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:21:35,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:35,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:21:35,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:35,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-20 07:21:35,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:35,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 07:21:35,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:35,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-20 07:21:35,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:35,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-20 07:21:35,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:35,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-20 07:21:35,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:35,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-20 07:21:35,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:35,162 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2021-11-20 07:21:35,162 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:21:35,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142965412] [2021-11-20 07:21:35,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142965412] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:21:35,163 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:21:35,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:21:35,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315531928] [2021-11-20 07:21:35,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:21:35,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:21:35,164 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:21:35,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:21:35,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:21:35,165 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) [2021-11-20 07:21:50,564 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:21:53,086 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:21:56,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:21:56,568 INFO L93 Difference]: Finished difference Result 15914 states and 24498 transitions. [2021-11-20 07:21:56,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:21:56,568 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 [2021-11-20 07:21:56,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:21:56,614 INFO L225 Difference]: With dead ends: 15914 [2021-11-20 07:21:56,614 INFO L226 Difference]: Without dead ends: 8500 [2021-11-20 07:21:56,648 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 [2021-11-20 07:21:56,649 INFO L933 BasicCegarLoop]: 5507 mSDtfsCounter, 7578 mSDsluCounter, 6643 mSDsCounter, 0 mSdLazyCounter, 9027 mSolverCounterSat, 2819 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7867 SdHoareTripleChecker+Valid, 12150 SdHoareTripleChecker+Invalid, 11848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2819 IncrementalHoareTripleChecker+Valid, 9027 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.9s IncrementalHoareTripleChecker+Time [2021-11-20 07:21:56,650 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7867 Valid, 12150 Invalid, 11848 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2819 Valid, 9027 Invalid, 2 Unknown, 0 Unchecked, 20.9s Time] [2021-11-20 07:21:56,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8500 states. [2021-11-20 07:21:56,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8500 to 7440. [2021-11-20 07:21:56,983 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) [2021-11-20 07:21:57,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7440 states to 7440 states and 11346 transitions. [2021-11-20 07:21:57,013 INFO L78 Accepts]: Start accepts. Automaton has 7440 states and 11346 transitions. Word has length 116 [2021-11-20 07:21:57,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:21:57,014 INFO L470 AbstractCegarLoop]: Abstraction has 7440 states and 11346 transitions. [2021-11-20 07:21:57,014 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) [2021-11-20 07:21:57,014 INFO L276 IsEmpty]: Start isEmpty. Operand 7440 states and 11346 transitions. [2021-11-20 07:21:57,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-20 07:21:57,023 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:21:57,024 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] [2021-11-20 07:21:57,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 07:21:57,024 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:21:57,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:21:57,025 INFO L85 PathProgramCache]: Analyzing trace with hash -377122279, now seen corresponding path program 1 times [2021-11-20 07:21:57,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:21:57,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902265803] [2021-11-20 07:21:57,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:21:57,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:21:57,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:57,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:21:57,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:57,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:21:57,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:57,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:21:57,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:57,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 07:21:57,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:57,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 07:21:57,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:57,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:21:57,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:57,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:21:57,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:57,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-20 07:21:57,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:57,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-20 07:21:57,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:57,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-11-20 07:21:57,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:57,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-20 07:21:57,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:57,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-20 07:21:57,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:57,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-11-20 07:21:57,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:57,381 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2021-11-20 07:21:57,381 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:21:57,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902265803] [2021-11-20 07:21:57,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902265803] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:21:57,382 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:21:57,382 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:21:57,382 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166216320] [2021-11-20 07:21:57,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:21:57,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:21:57,383 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:21:57,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:21:57,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:21:57,384 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) [2021-11-20 07:22:04,437 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 07:22:09,375 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:22:11,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:22:11,562 INFO L93 Difference]: Finished difference Result 15771 states and 24242 transitions. [2021-11-20 07:22:11,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:22:11,563 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 [2021-11-20 07:22:11,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:22:11,610 INFO L225 Difference]: With dead ends: 15771 [2021-11-20 07:22:11,610 INFO L226 Difference]: Without dead ends: 8357 [2021-11-20 07:22:11,634 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 [2021-11-20 07:22:11,634 INFO L933 BasicCegarLoop]: 5271 mSDtfsCounter, 9076 mSDsluCounter, 3644 mSDsCounter, 0 mSdLazyCounter, 3105 mSolverCounterSat, 3551 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9475 SdHoareTripleChecker+Valid, 8915 SdHoareTripleChecker+Invalid, 6658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3551 IncrementalHoareTripleChecker+Valid, 3105 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2021-11-20 07:22:11,635 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9475 Valid, 8915 Invalid, 6658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3551 Valid, 3105 Invalid, 2 Unknown, 0 Unchecked, 13.7s Time] [2021-11-20 07:22:11,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8357 states. [2021-11-20 07:22:11,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8357 to 7440. [2021-11-20 07:22:11,973 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) [2021-11-20 07:22:12,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7440 states to 7440 states and 11342 transitions. [2021-11-20 07:22:12,007 INFO L78 Accepts]: Start accepts. Automaton has 7440 states and 11342 transitions. Word has length 118 [2021-11-20 07:22:12,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:22:12,008 INFO L470 AbstractCegarLoop]: Abstraction has 7440 states and 11342 transitions. [2021-11-20 07:22:12,008 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) [2021-11-20 07:22:12,009 INFO L276 IsEmpty]: Start isEmpty. Operand 7440 states and 11342 transitions. [2021-11-20 07:22:12,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-20 07:22:12,027 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:22:12,028 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] [2021-11-20 07:22:12,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 07:22:12,028 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:22:12,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:12,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1512299497, now seen corresponding path program 1 times [2021-11-20 07:22:12,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:22:12,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002534549] [2021-11-20 07:22:12,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:12,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:22:12,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:12,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:22:12,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:12,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:22:12,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:12,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:22:12,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:12,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 07:22:12,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:12,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 07:22:12,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:12,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:22:12,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:12,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:22:12,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:12,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-20 07:22:12,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:12,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-20 07:22:12,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:12,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-11-20 07:22:12,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:12,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-20 07:22:12,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:12,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-11-20 07:22:12,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:12,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-20 07:22:12,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:12,367 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2021-11-20 07:22:12,368 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:22:12,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002534549] [2021-11-20 07:22:12,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002534549] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:22:12,368 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:22:12,368 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:22:12,369 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813554882] [2021-11-20 07:22:12,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:22:12,369 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:22:12,369 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:22:12,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:22:12,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:22:12,370 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) [2021-11-20 07:22:32,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:22:32,001 INFO L93 Difference]: Finished difference Result 19878 states and 30453 transitions. [2021-11-20 07:22:32,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:22:32,001 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 [2021-11-20 07:22:32,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:22:32,065 INFO L225 Difference]: With dead ends: 19878 [2021-11-20 07:22:32,066 INFO L226 Difference]: Without dead ends: 12464 [2021-11-20 07:22:32,088 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-20 07:22:32,089 INFO L933 BasicCegarLoop]: 6502 mSDtfsCounter, 9121 mSDsluCounter, 6551 mSDsCounter, 0 mSdLazyCounter, 7001 mSolverCounterSat, 4350 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9602 SdHoareTripleChecker+Valid, 13053 SdHoareTripleChecker+Invalid, 11351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4350 IncrementalHoareTripleChecker+Valid, 7001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.9s IncrementalHoareTripleChecker+Time [2021-11-20 07:22:32,089 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9602 Valid, 13053 Invalid, 11351 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4350 Valid, 7001 Invalid, 0 Unknown, 0 Unchecked, 18.9s Time] [2021-11-20 07:22:32,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12464 states. [2021-11-20 07:22:32,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12464 to 10970. [2021-11-20 07:22:32,572 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) [2021-11-20 07:22:32,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10970 states to 10970 states and 16595 transitions. [2021-11-20 07:22:32,623 INFO L78 Accepts]: Start accepts. Automaton has 10970 states and 16595 transitions. Word has length 119 [2021-11-20 07:22:32,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:22:32,624 INFO L470 AbstractCegarLoop]: Abstraction has 10970 states and 16595 transitions. [2021-11-20 07:22:32,624 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) [2021-11-20 07:22:32,624 INFO L276 IsEmpty]: Start isEmpty. Operand 10970 states and 16595 transitions. [2021-11-20 07:22:32,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-20 07:22:32,635 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:22:32,636 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] [2021-11-20 07:22:32,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-20 07:22:32,636 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:22:32,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:32,637 INFO L85 PathProgramCache]: Analyzing trace with hash 66778395, now seen corresponding path program 1 times [2021-11-20 07:22:32,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:22:32,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911725605] [2021-11-20 07:22:32,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:32,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:22:32,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:32,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:22:32,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:32,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:22:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:32,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:22:32,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:32,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 07:22:32,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:32,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 07:22:32,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:32,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:22:32,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:32,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:22:32,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:32,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-20 07:22:32,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:32,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-20 07:22:33,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:33,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-11-20 07:22:33,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:33,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-20 07:22:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:33,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-20 07:22:33,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:33,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-11-20 07:22:33,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:33,046 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-11-20 07:22:33,046 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:22:33,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911725605] [2021-11-20 07:22:33,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911725605] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:22:33,046 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:22:33,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:22:33,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929803519] [2021-11-20 07:22:33,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:22:33,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:22:33,048 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:22:33,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:22:33,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:22:33,049 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) [2021-11-20 07:22:47,470 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:22:51,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:22:51,817 INFO L93 Difference]: Finished difference Result 23393 states and 35665 transitions. [2021-11-20 07:22:51,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:22:51,817 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 [2021-11-20 07:22:51,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:22:51,902 INFO L225 Difference]: With dead ends: 23393 [2021-11-20 07:22:51,902 INFO L226 Difference]: Without dead ends: 12449 [2021-11-20 07:22:51,942 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-20 07:22:51,942 INFO L933 BasicCegarLoop]: 5991 mSDtfsCounter, 10505 mSDsluCounter, 4547 mSDsCounter, 0 mSdLazyCounter, 6283 mSolverCounterSat, 4250 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11041 SdHoareTripleChecker+Valid, 10538 SdHoareTripleChecker+Invalid, 10534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4250 IncrementalHoareTripleChecker+Valid, 6283 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:22:51,943 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11041 Valid, 10538 Invalid, 10534 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4250 Valid, 6283 Invalid, 1 Unknown, 0 Unchecked, 18.1s Time] [2021-11-20 07:22:51,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12449 states. [2021-11-20 07:22:52,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12449 to 10960. [2021-11-20 07:22:52,578 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) [2021-11-20 07:22:52,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10960 states to 10960 states and 16569 transitions. [2021-11-20 07:22:52,626 INFO L78 Accepts]: Start accepts. Automaton has 10960 states and 16569 transitions. Word has length 118 [2021-11-20 07:22:52,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:22:52,627 INFO L470 AbstractCegarLoop]: Abstraction has 10960 states and 16569 transitions. [2021-11-20 07:22:52,627 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) [2021-11-20 07:22:52,628 INFO L276 IsEmpty]: Start isEmpty. Operand 10960 states and 16569 transitions. [2021-11-20 07:22:52,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-20 07:22:52,665 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:22:52,666 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] [2021-11-20 07:22:52,666 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-20 07:22:52,666 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:22:52,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:52,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1932597198, now seen corresponding path program 1 times [2021-11-20 07:22:52,667 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:22:52,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771891886] [2021-11-20 07:22:52,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:52,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:22:52,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:52,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:22:52,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:52,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:22:52,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:52,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:22:52,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:52,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 07:22:52,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:52,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 07:22:52,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:52,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:22:52,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:52,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:22:52,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:52,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-20 07:22:52,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:52,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-20 07:22:52,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:52,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-11-20 07:22:52,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:52,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 07:22:52,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:53,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-20 07:22:53,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:53,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-11-20 07:22:53,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:53,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 07:22:53,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:53,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-11-20 07:22:53,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:53,034 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-11-20 07:22:53,034 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:22:53,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771891886] [2021-11-20 07:22:53,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771891886] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:22:53,035 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:22:53,035 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:22:53,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561941324] [2021-11-20 07:22:53,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:22:53,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:22:53,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:22:53,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:22:53,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:22:53,037 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) [2021-11-20 07:23:13,860 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:23:15,767 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:23:20,164 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:23:21,398 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:23:25,187 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 07:23:27,284 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 07:23:31,069 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 07:23:33,013 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 07:23:38,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:23:38,731 INFO L93 Difference]: Finished difference Result 28000 states and 42657 transitions. [2021-11-20 07:23:38,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-20 07:23:38,732 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 [2021-11-20 07:23:38,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:23:38,840 INFO L225 Difference]: With dead ends: 28000 [2021-11-20 07:23:38,840 INFO L226 Difference]: Without dead ends: 17066 [2021-11-20 07:23:38,879 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-11-20 07:23:38,880 INFO L933 BasicCegarLoop]: 8569 mSDtfsCounter, 7630 mSDsluCounter, 12755 mSDsCounter, 0 mSdLazyCounter, 13470 mSolverCounterSat, 3975 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8055 SdHoareTripleChecker+Valid, 21324 SdHoareTripleChecker+Invalid, 17449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3975 IncrementalHoareTripleChecker+Valid, 13470 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.5s IncrementalHoareTripleChecker+Time [2021-11-20 07:23:38,880 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8055 Valid, 21324 Invalid, 17449 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3975 Valid, 13470 Invalid, 4 Unknown, 0 Unchecked, 44.5s Time] [2021-11-20 07:23:38,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17066 states. [2021-11-20 07:23:39,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17066 to 10962. [2021-11-20 07:23:39,524 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) [2021-11-20 07:23:39,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10962 states to 10962 states and 16570 transitions. [2021-11-20 07:23:39,578 INFO L78 Accepts]: Start accepts. Automaton has 10962 states and 16570 transitions. Word has length 160 [2021-11-20 07:23:39,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:23:39,579 INFO L470 AbstractCegarLoop]: Abstraction has 10962 states and 16570 transitions. [2021-11-20 07:23:39,579 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) [2021-11-20 07:23:39,579 INFO L276 IsEmpty]: Start isEmpty. Operand 10962 states and 16570 transitions. [2021-11-20 07:23:39,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-11-20 07:23:39,629 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:23:39,629 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] [2021-11-20 07:23:39,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-20 07:23:39,630 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:23:39,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:23:39,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1187421503, now seen corresponding path program 1 times [2021-11-20 07:23:39,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:23:39,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132182544] [2021-11-20 07:23:39,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:23:39,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:23:39,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:39,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:23:39,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:39,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:23:39,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:39,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:23:39,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:39,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 07:23:39,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:39,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 07:23:39,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:39,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:23:39,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:39,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:23:39,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:39,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-20 07:23:39,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:39,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-20 07:23:39,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:39,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-11-20 07:23:39,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:39,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 07:23:39,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:39,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-20 07:23:39,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:40,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-20 07:23:40,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:40,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-20 07:23:40,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:40,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-20 07:23:40,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:40,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-20 07:23:40,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:40,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-20 07:23:40,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:40,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-20 07:23:40,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:40,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-20 07:23:40,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:40,052 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-20 07:23:40,052 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:23:40,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132182544] [2021-11-20 07:23:40,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132182544] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:23:40,053 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:23:40,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:23:40,053 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218587457] [2021-11-20 07:23:40,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:23:40,054 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:23:40,054 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:23:40,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:23:40,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:23:40,055 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) [2021-11-20 07:23:52,693 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:23:58,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:23:58,394 INFO L93 Difference]: Finished difference Result 23383 states and 35622 transitions. [2021-11-20 07:23:58,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:23:58,395 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 [2021-11-20 07:23:58,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:23:58,455 INFO L225 Difference]: With dead ends: 23383 [2021-11-20 07:23:58,455 INFO L226 Difference]: Without dead ends: 12447 [2021-11-20 07:23:58,491 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 [2021-11-20 07:23:58,492 INFO L933 BasicCegarLoop]: 5279 mSDtfsCounter, 4195 mSDsluCounter, 6718 mSDsCounter, 0 mSdLazyCounter, 6017 mSolverCounterSat, 2147 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4488 SdHoareTripleChecker+Valid, 11997 SdHoareTripleChecker+Invalid, 8165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2147 IncrementalHoareTripleChecker+Valid, 6017 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2021-11-20 07:23:58,493 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4488 Valid, 11997 Invalid, 8165 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2147 Valid, 6017 Invalid, 1 Unknown, 0 Unchecked, 17.7s Time] [2021-11-20 07:23:58,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12447 states. [2021-11-20 07:23:59,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12447 to 10963. [2021-11-20 07:23:59,205 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) [2021-11-20 07:23:59,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10963 states to 10963 states and 16571 transitions. [2021-11-20 07:23:59,252 INFO L78 Accepts]: Start accepts. Automaton has 10963 states and 16571 transitions. Word has length 189 [2021-11-20 07:23:59,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:23:59,252 INFO L470 AbstractCegarLoop]: Abstraction has 10963 states and 16571 transitions. [2021-11-20 07:23:59,253 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) [2021-11-20 07:23:59,253 INFO L276 IsEmpty]: Start isEmpty. Operand 10963 states and 16571 transitions. [2021-11-20 07:23:59,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-11-20 07:23:59,290 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:23:59,291 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] [2021-11-20 07:23:59,291 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-20 07:23:59,291 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:23:59,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:23:59,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1970620796, now seen corresponding path program 1 times [2021-11-20 07:23:59,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:23:59,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861714296] [2021-11-20 07:23:59,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:23:59,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:23:59,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:59,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:23:59,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:59,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:23:59,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:59,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:23:59,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:59,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 07:23:59,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:59,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 07:23:59,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:59,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:23:59,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:59,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:23:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:59,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-20 07:23:59,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:59,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-20 07:23:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:59,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-11-20 07:23:59,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:59,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 07:23:59,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:59,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-20 07:23:59,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:59,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-20 07:23:59,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:59,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-20 07:23:59,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:59,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-11-20 07:23:59,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:59,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-20 07:23:59,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:59,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-11-20 07:23:59,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:59,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-20 07:23:59,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:59,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-20 07:23:59,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:59,668 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2021-11-20 07:23:59,669 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:23:59,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861714296] [2021-11-20 07:23:59,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861714296] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:23:59,669 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:23:59,669 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:23:59,669 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064382004] [2021-11-20 07:23:59,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:23:59,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:23:59,670 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:23:59,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:23:59,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:23:59,671 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) [2021-11-20 07:24:12,432 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:24:14,284 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:24:25,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:24:25,032 INFO L93 Difference]: Finished difference Result 22169 states and 33768 transitions. [2021-11-20 07:24:25,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:24:25,032 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 [2021-11-20 07:24:25,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:24:25,070 INFO L225 Difference]: With dead ends: 22169 [2021-11-20 07:24:25,071 INFO L226 Difference]: Without dead ends: 11232 [2021-11-20 07:24:25,099 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-20 07:24:25,099 INFO L933 BasicCegarLoop]: 7739 mSDtfsCounter, 8386 mSDsluCounter, 6023 mSDsCounter, 0 mSdLazyCounter, 7355 mSolverCounterSat, 3993 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8939 SdHoareTripleChecker+Valid, 13762 SdHoareTripleChecker+Invalid, 11349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3993 IncrementalHoareTripleChecker+Valid, 7355 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.5s IncrementalHoareTripleChecker+Time [2021-11-20 07:24:25,099 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8939 Valid, 13762 Invalid, 11349 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3993 Valid, 7355 Invalid, 1 Unknown, 0 Unchecked, 24.5s Time] [2021-11-20 07:24:25,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11232 states. [2021-11-20 07:24:25,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11232 to 9895. [2021-11-20 07:24:25,716 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) [2021-11-20 07:24:25,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9895 states to 9895 states and 14944 transitions. [2021-11-20 07:24:25,757 INFO L78 Accepts]: Start accepts. Automaton has 9895 states and 14944 transitions. Word has length 191 [2021-11-20 07:24:25,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:24:25,758 INFO L470 AbstractCegarLoop]: Abstraction has 9895 states and 14944 transitions. [2021-11-20 07:24:25,758 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) [2021-11-20 07:24:25,759 INFO L276 IsEmpty]: Start isEmpty. Operand 9895 states and 14944 transitions. [2021-11-20 07:24:25,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-11-20 07:24:25,788 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:24:25,788 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] [2021-11-20 07:24:25,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-20 07:24:25,789 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:24:25,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:24:25,789 INFO L85 PathProgramCache]: Analyzing trace with hash 186137462, now seen corresponding path program 1 times [2021-11-20 07:24:25,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:24:25,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665860788] [2021-11-20 07:24:25,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:24:25,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:24:25,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:26,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:24:26,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:26,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:24:26,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:26,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:24:26,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:26,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 07:24:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:26,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 07:24:26,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:26,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:24:26,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:26,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:24:26,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:26,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-20 07:24:26,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:26,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-20 07:24:26,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:26,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-11-20 07:24:26,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:26,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 07:24:26,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:26,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-20 07:24:26,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:26,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-20 07:24:26,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:26,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-20 07:24:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:26,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-11-20 07:24:26,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:26,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-20 07:24:26,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:26,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-11-20 07:24:26,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:26,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-20 07:24:26,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:26,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-11-20 07:24:26,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:26,150 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2021-11-20 07:24:26,150 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:24:26,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665860788] [2021-11-20 07:24:26,151 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665860788] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:24:26,151 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:24:26,151 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:24:26,151 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328169227] [2021-11-20 07:24:26,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:24:26,152 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:24:26,152 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:24:26,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:24:26,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:24:26,153 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) [2021-11-20 07:24:37,358 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:24:39,404 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:24:46,655 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 07:24:47,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:24:47,389 INFO L93 Difference]: Finished difference Result 21493 states and 32941 transitions. [2021-11-20 07:24:47,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:24:47,389 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 [2021-11-20 07:24:47,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:24:47,445 INFO L225 Difference]: With dead ends: 21493 [2021-11-20 07:24:47,446 INFO L226 Difference]: Without dead ends: 12648 [2021-11-20 07:24:47,474 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 [2021-11-20 07:24:47,474 INFO L933 BasicCegarLoop]: 6559 mSDtfsCounter, 5834 mSDsluCounter, 7878 mSDsCounter, 0 mSdLazyCounter, 6509 mSolverCounterSat, 2182 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6452 SdHoareTripleChecker+Valid, 14437 SdHoareTripleChecker+Invalid, 8694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2182 IncrementalHoareTripleChecker+Valid, 6509 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.6s IncrementalHoareTripleChecker+Time [2021-11-20 07:24:47,475 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6452 Valid, 14437 Invalid, 8694 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2182 Valid, 6509 Invalid, 3 Unknown, 0 Unchecked, 20.6s Time] [2021-11-20 07:24:47,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12648 states. [2021-11-20 07:24:48,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12648 to 9901. [2021-11-20 07:24:48,068 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) [2021-11-20 07:24:48,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9901 states to 9901 states and 14950 transitions. [2021-11-20 07:24:48,110 INFO L78 Accepts]: Start accepts. Automaton has 9901 states and 14950 transitions. Word has length 190 [2021-11-20 07:24:48,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:24:48,111 INFO L470 AbstractCegarLoop]: Abstraction has 9901 states and 14950 transitions. [2021-11-20 07:24:48,111 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) [2021-11-20 07:24:48,111 INFO L276 IsEmpty]: Start isEmpty. Operand 9901 states and 14950 transitions. [2021-11-20 07:24:48,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-11-20 07:24:48,134 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:24:48,134 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] [2021-11-20 07:24:48,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-20 07:24:48,135 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:24:48,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:24:48,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1482102706, now seen corresponding path program 1 times [2021-11-20 07:24:48,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:24:48,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561309372] [2021-11-20 07:24:48,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:24:48,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:24:48,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:48,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:24:48,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:48,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:24:48,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:48,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:24:48,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:48,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 07:24:48,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:48,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 07:24:48,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:48,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:24:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:48,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:24:48,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:48,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-20 07:24:48,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:48,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-20 07:24:48,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:48,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-11-20 07:24:48,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:48,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 07:24:48,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:48,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-20 07:24:48,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:48,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-20 07:24:48,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:48,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-20 07:24:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:48,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-11-20 07:24:48,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:48,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-20 07:24:48,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:48,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-11-20 07:24:48,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:48,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-20 07:24:48,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:48,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-11-20 07:24:48,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:48,522 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2021-11-20 07:24:48,522 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:24:48,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561309372] [2021-11-20 07:24:48,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561309372] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:24:48,523 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:24:48,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:24:48,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620344335] [2021-11-20 07:24:48,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:24:48,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:24:48,524 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:24:48,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:24:48,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:24:48,525 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) [2021-11-20 07:24:59,103 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:25:04,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:25:04,706 INFO L93 Difference]: Finished difference Result 21130 states and 32162 transitions. [2021-11-20 07:25:04,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:25:04,707 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 [2021-11-20 07:25:04,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:25:04,761 INFO L225 Difference]: With dead ends: 21130 [2021-11-20 07:25:04,762 INFO L226 Difference]: Without dead ends: 11255 [2021-11-20 07:25:04,788 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 [2021-11-20 07:25:04,789 INFO L933 BasicCegarLoop]: 5261 mSDtfsCounter, 4213 mSDsluCounter, 6703 mSDsCounter, 0 mSdLazyCounter, 6017 mSolverCounterSat, 2156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4506 SdHoareTripleChecker+Valid, 11964 SdHoareTripleChecker+Invalid, 8173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2156 IncrementalHoareTripleChecker+Valid, 6017 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2021-11-20 07:25:04,790 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4506 Valid, 11964 Invalid, 8173 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2156 Valid, 6017 Invalid, 0 Unknown, 0 Unchecked, 15.6s Time] [2021-11-20 07:25:04,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11255 states. [2021-11-20 07:25:05,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11255 to 9906. [2021-11-20 07:25:05,221 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) [2021-11-20 07:25:05,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9906 states to 9906 states and 14955 transitions. [2021-11-20 07:25:05,254 INFO L78 Accepts]: Start accepts. Automaton has 9906 states and 14955 transitions. Word has length 190 [2021-11-20 07:25:05,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:25:05,254 INFO L470 AbstractCegarLoop]: Abstraction has 9906 states and 14955 transitions. [2021-11-20 07:25:05,255 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) [2021-11-20 07:25:05,255 INFO L276 IsEmpty]: Start isEmpty. Operand 9906 states and 14955 transitions. [2021-11-20 07:25:05,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-11-20 07:25:05,274 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:25:05,275 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] [2021-11-20 07:25:05,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-20 07:25:05,275 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:25:05,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:25:05,276 INFO L85 PathProgramCache]: Analyzing trace with hash 130228107, now seen corresponding path program 1 times [2021-11-20 07:25:05,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:25:05,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111856580] [2021-11-20 07:25:05,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:25:05,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:25:05,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:05,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:25:05,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:05,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:25:05,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:05,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:25:05,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:05,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 07:25:05,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:05,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 07:25:05,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:05,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:25:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:05,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:25:05,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:05,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-20 07:25:05,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:05,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-20 07:25:05,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:05,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 07:25:05,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:05,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-20 07:25:05,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:05,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-11-20 07:25:05,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:05,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-20 07:25:05,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:05,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-20 07:25:05,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:05,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-20 07:25:05,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:05,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-20 07:25:05,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:05,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-20 07:25:05,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:05,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-11-20 07:25:05,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:05,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-11-20 07:25:05,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:05,711 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2021-11-20 07:25:05,712 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:25:05,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111856580] [2021-11-20 07:25:05,712 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111856580] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:25:05,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [176521937] [2021-11-20 07:25:05,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:25:05,713 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:25:05,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:25:05,719 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:25:05,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 07:25:07,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:07,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 4519 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-20 07:25:07,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:25:07,993 INFO L354 Elim1Store]: treesize reduction 567, result has 6.9 percent of original size [2021-11-20 07:25:07,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 7 case distinctions, treesize of input 665 treesize of output 679 [2021-11-20 07:25:08,331 INFO L354 Elim1Store]: treesize reduction 567, result has 6.9 percent of original size [2021-11-20 07:25:08,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 7 case distinctions, treesize of input 1214 treesize of output 1228 [2021-11-20 07:25:17,923 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 07:25:17,923 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 41 [2021-11-20 07:25:17,930 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 07:25:17,930 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 31 [2021-11-20 07:25:17,935 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 21 treesize of output 17 [2021-11-20 07:25:17,938 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 14 treesize of output 10 [2021-11-20 07:25:18,298 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-20 07:25:18,299 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:25:18,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [176521937] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:25:18,299 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 07:25:18,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2021-11-20 07:25:18,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697632893] [2021-11-20 07:25:18,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:25:18,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:25:18,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:25:18,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:25:18,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-20 07:25:18,302 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) [2021-11-20 07:25:18,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:25:18,880 INFO L93 Difference]: Finished difference Result 20376 states and 30795 transitions. [2021-11-20 07:25:18,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:25:18,881 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 [2021-11-20 07:25:18,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:25:18,932 INFO L225 Difference]: With dead ends: 20376 [2021-11-20 07:25:18,933 INFO L226 Difference]: Without dead ends: 10496 [2021-11-20 07:25:18,963 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-20 07:25:18,964 INFO L933 BasicCegarLoop]: 6207 mSDtfsCounter, 828 mSDsluCounter, 12133 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 828 SdHoareTripleChecker+Valid, 18340 SdHoareTripleChecker+Invalid, 816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 813 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:25:18,964 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [828 Valid, 18340 Invalid, 816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 813 Unchecked, 0.0s Time] [2021-11-20 07:25:18,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10496 states. [2021-11-20 07:25:19,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10496 to 10488. [2021-11-20 07:25:19,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10488 states, 7981 states have (on average 1.4793885478010274) internal successors, (11807), 8307 states have internal predecessors, (11807), 2017 states have call successors, (2017), 493 states have call predecessors, (2017), 489 states have return successors, (2035), 1873 states have call predecessors, (2035), 2007 states have call successors, (2035) [2021-11-20 07:25:19,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10488 states to 10488 states and 15859 transitions. [2021-11-20 07:25:19,424 INFO L78 Accepts]: Start accepts. Automaton has 10488 states and 15859 transitions. Word has length 194 [2021-11-20 07:25:19,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:25:19,425 INFO L470 AbstractCegarLoop]: Abstraction has 10488 states and 15859 transitions. [2021-11-20 07:25:19,425 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) [2021-11-20 07:25:19,425 INFO L276 IsEmpty]: Start isEmpty. Operand 10488 states and 15859 transitions. [2021-11-20 07:25:19,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-11-20 07:25:19,453 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:25:19,453 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] [2021-11-20 07:25:19,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-20 07:25:19,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-20 07:25:19,679 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:25:19,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:25:19,679 INFO L85 PathProgramCache]: Analyzing trace with hash -347549020, now seen corresponding path program 1 times [2021-11-20 07:25:19,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:25:19,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414300933] [2021-11-20 07:25:19,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:25:19,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:25:19,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:20,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:25:20,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:20,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:25:20,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:20,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:25:20,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:20,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 07:25:20,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:20,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 07:25:20,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:20,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:25:20,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:20,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:25:20,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:20,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-20 07:25:20,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:20,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-11-20 07:25:20,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:20,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 07:25:20,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:20,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-20 07:25:20,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:20,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-20 07:25:20,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:20,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-20 07:25:20,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:20,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-11-20 07:25:20,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:20,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-11-20 07:25:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:20,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-20 07:25:20,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:20,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-20 07:25:20,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:20,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-11-20 07:25:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:20,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-20 07:25:20,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:20,150 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2021-11-20 07:25:20,150 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:25:20,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414300933] [2021-11-20 07:25:20,151 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414300933] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:25:20,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [60409173] [2021-11-20 07:25:20,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:25:20,151 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:25:20,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:25:20,153 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:25:20,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 07:25:21,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:21,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 4527 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 07:25:21,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:25:22,117 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 54 proven. 1 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-20 07:25:22,118 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:25:22,530 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2021-11-20 07:25:22,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [60409173] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 07:25:22,530 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 07:25:22,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 9 [2021-11-20 07:25:22,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281824117] [2021-11-20 07:25:22,531 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 07:25:22,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 07:25:22,532 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:25:22,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 07:25:22,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-20 07:25:22,533 INFO L87 Difference]: Start difference. First operand 10488 states and 15859 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) [2021-11-20 07:25:42,544 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:25:45,359 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:25:46,385 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:25:55,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:25:55,792 INFO L93 Difference]: Finished difference Result 21754 states and 33138 transitions. [2021-11-20 07:25:55,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:25:55,793 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 [2021-11-20 07:25:55,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:25:55,852 INFO L225 Difference]: With dead ends: 21754 [2021-11-20 07:25:55,852 INFO L226 Difference]: Without dead ends: 11874 [2021-11-20 07:25:55,883 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 434 GetRequests, 426 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-20 07:25:55,884 INFO L933 BasicCegarLoop]: 5269 mSDtfsCounter, 4237 mSDsluCounter, 12849 mSDsCounter, 0 mSdLazyCounter, 11885 mSolverCounterSat, 2158 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4529 SdHoareTripleChecker+Valid, 18118 SdHoareTripleChecker+Invalid, 14045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2158 IncrementalHoareTripleChecker+Valid, 11885 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:25:55,884 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4529 Valid, 18118 Invalid, 14045 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2158 Valid, 11885 Invalid, 2 Unknown, 0 Unchecked, 32.3s Time] [2021-11-20 07:25:55,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11874 states. [2021-11-20 07:25:56,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11874 to 10545. [2021-11-20 07:25:56,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10545 states, 8028 states have (on average 1.4782012954658694) internal successors, (11867), 8358 states have internal predecessors, (11867), 2020 states have call successors, (2020), 493 states have call predecessors, (2020), 496 states have return successors, (2059), 1878 states have call predecessors, (2059), 2010 states have call successors, (2059) [2021-11-20 07:25:56,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10545 states to 10545 states and 15946 transitions. [2021-11-20 07:25:56,363 INFO L78 Accepts]: Start accepts. Automaton has 10545 states and 15946 transitions. Word has length 196 [2021-11-20 07:25:56,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:25:56,364 INFO L470 AbstractCegarLoop]: Abstraction has 10545 states and 15946 transitions. [2021-11-20 07:25:56,364 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) [2021-11-20 07:25:56,364 INFO L276 IsEmpty]: Start isEmpty. Operand 10545 states and 15946 transitions. [2021-11-20 07:25:56,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-11-20 07:25:56,386 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:25:56,386 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] [2021-11-20 07:25:56,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 07:25:56,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-11-20 07:25:56,607 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:25:56,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:25:56,607 INFO L85 PathProgramCache]: Analyzing trace with hash 77205885, now seen corresponding path program 1 times [2021-11-20 07:25:56,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:25:56,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154023531] [2021-11-20 07:25:56,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:25:56,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:25:57,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:57,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:25:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:57,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:25:57,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:57,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:25:57,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:57,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 07:25:57,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:57,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 07:25:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:57,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:25:57,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:58,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:25:58,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:58,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-20 07:25:58,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:58,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 07:25:58,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:58,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-20 07:25:58,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:58,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-11-20 07:25:58,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:58,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-20 07:25:58,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:58,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 07:25:58,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:58,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-20 07:25:58,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:58,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-20 07:25:58,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:58,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-20 07:25:58,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:58,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-11-20 07:25:58,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:58,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-11-20 07:25:58,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:58,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-20 07:25:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:58,132 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2021-11-20 07:25:58,132 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:25:58,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154023531] [2021-11-20 07:25:58,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154023531] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:25:58,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1871051046] [2021-11-20 07:25:58,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:25:58,133 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:25:58,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:25:58,139 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:25:58,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 07:25:59,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:59,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 4536 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-20 07:25:59,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:25:59,723 INFO L354 Elim1Store]: treesize reduction 567, result has 6.9 percent of original size [2021-11-20 07:25:59,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 7 case distinctions, treesize of input 1448 treesize of output 1458 [2021-11-20 07:25:59,951 INFO L354 Elim1Store]: treesize reduction 567, result has 6.9 percent of original size [2021-11-20 07:25:59,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 7 case distinctions, treesize of input 2670 treesize of output 2680 [2021-11-20 07:26:19,106 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 07:26:19,107 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 59 [2021-11-20 07:26:19,114 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 07:26:19,114 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 45 [2021-11-20 07:26:19,118 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 35 treesize of output 27 [2021-11-20 07:26:19,121 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 21 treesize of output 13 [2021-11-20 07:26:19,374 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 57 proven. 3 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-20 07:26:19,374 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:26:20,419 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2021-11-20 07:26:20,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1871051046] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 07:26:20,420 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 07:26:20,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 8] total 18 [2021-11-20 07:26:20,420 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810573325] [2021-11-20 07:26:20,420 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 07:26:20,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-20 07:26:20,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:26:20,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-20 07:26:20,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2021-11-20 07:26:20,423 INFO L87 Difference]: Start difference. First operand 10545 states and 15946 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) [2021-11-20 07:26:56,822 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:26:59,632 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:27:01,676 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:27:07,683 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 07:27:21,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:27:21,962 INFO L93 Difference]: Finished difference Result 21947 states and 33431 transitions. [2021-11-20 07:27:21,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-20 07:27:21,965 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 [2021-11-20 07:27:21,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:27:22,018 INFO L225 Difference]: With dead ends: 21947 [2021-11-20 07:27:22,018 INFO L226 Difference]: Without dead ends: 12010 [2021-11-20 07:27:22,048 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 447 GetRequests, 428 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 12.6s TimeCoverageRelationStatistics Valid=90, Invalid=330, Unknown=0, NotChecked=0, Total=420 [2021-11-20 07:27:22,049 INFO L933 BasicCegarLoop]: 5353 mSDtfsCounter, 4349 mSDsluCounter, 27021 mSDsCounter, 0 mSdLazyCounter, 15459 mSolverCounterSat, 2139 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4648 SdHoareTripleChecker+Valid, 32374 SdHoareTripleChecker+Invalid, 21328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2139 IncrementalHoareTripleChecker+Valid, 15459 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 3726 IncrementalHoareTripleChecker+Unchecked, 56.4s IncrementalHoareTripleChecker+Time [2021-11-20 07:27:22,049 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4648 Valid, 32374 Invalid, 21328 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2139 Valid, 15459 Invalid, 4 Unknown, 3726 Unchecked, 56.4s Time] [2021-11-20 07:27:22,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12010 states. [2021-11-20 07:27:22,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12010 to 10670. [2021-11-20 07:27:22,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10670 states, 8140 states have (on average 1.4773955773955774) internal successors, (12026), 8471 states have internal predecessors, (12026), 2029 states have call successors, (2029), 496 states have call predecessors, (2029), 500 states have return successors, (2079), 1887 states have call predecessors, (2079), 2019 states have call successors, (2079) [2021-11-20 07:27:22,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10670 states to 10670 states and 16134 transitions. [2021-11-20 07:27:22,684 INFO L78 Accepts]: Start accepts. Automaton has 10670 states and 16134 transitions. Word has length 200 [2021-11-20 07:27:22,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:27:22,686 INFO L470 AbstractCegarLoop]: Abstraction has 10670 states and 16134 transitions. [2021-11-20 07:27:22,686 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) [2021-11-20 07:27:22,686 INFO L276 IsEmpty]: Start isEmpty. Operand 10670 states and 16134 transitions. [2021-11-20 07:27:22,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-11-20 07:27:22,705 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:27:22,705 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] [2021-11-20 07:27:22,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-20 07:27:22,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-11-20 07:27:22,918 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:27:22,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:27:22,918 INFO L85 PathProgramCache]: Analyzing trace with hash 237703190, now seen corresponding path program 2 times [2021-11-20 07:27:22,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:27:22,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516732380] [2021-11-20 07:27:22,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:27:22,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:27:25,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:25,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:27:25,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:25,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:27:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:25,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:27:25,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:25,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 07:27:25,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:25,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 07:27:25,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:25,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:27:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:25,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:27:25,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:25,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-20 07:27:25,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:25,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 07:27:25,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:25,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-20 07:27:25,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:25,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-20 07:27:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:26,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-20 07:27:26,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:26,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-20 07:27:26,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:26,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-11-20 07:27:26,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:26,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 07:27:26,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:26,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-11-20 07:27:26,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:26,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-11-20 07:27:26,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:26,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-11-20 07:27:26,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:26,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-20 07:27:26,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:26,066 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2021-11-20 07:27:26,066 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:27:26,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516732380] [2021-11-20 07:27:26,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516732380] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:27:26,067 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:27:26,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-20 07:27:26,067 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738880738] [2021-11-20 07:27:26,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:27:26,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 07:27:26,068 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:27:26,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 07:27:26,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-11-20 07:27:26,069 INFO L87 Difference]: Start difference. First operand 10670 states and 16134 transitions. Second operand has 9 states, 9 states have (on average 13.11111111111111) internal successors, (118), 7 states have internal predecessors, (118), 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) [2021-11-20 07:28:13,767 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:28:15,803 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:28:18,826 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:28:52,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:28:52,233 INFO L93 Difference]: Finished difference Result 32403 states and 50234 transitions. [2021-11-20 07:28:52,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-20 07:28:52,234 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.11111111111111) internal successors, (118), 7 states have internal predecessors, (118), 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 202 [2021-11-20 07:28:52,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:28:52,302 INFO L225 Difference]: With dead ends: 32403 [2021-11-20 07:28:52,302 INFO L226 Difference]: Without dead ends: 23520 [2021-11-20 07:28:52,322 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2021-11-20 07:28:52,322 INFO L933 BasicCegarLoop]: 7146 mSDtfsCounter, 15854 mSDsluCounter, 19405 mSDsCounter, 0 mSdLazyCounter, 30805 mSolverCounterSat, 6212 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 72.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16313 SdHoareTripleChecker+Valid, 26551 SdHoareTripleChecker+Invalid, 37019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 6212 IncrementalHoareTripleChecker+Valid, 30805 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 83.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:28:52,323 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16313 Valid, 26551 Invalid, 37019 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [6212 Valid, 30805 Invalid, 2 Unknown, 0 Unchecked, 83.3s Time] [2021-11-20 07:28:52,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23520 states. [2021-11-20 07:28:53,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23520 to 19164. [2021-11-20 07:28:53,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19164 states, 14683 states have (on average 1.485459374787169) internal successors, (21811), 15349 states have internal predecessors, (21811), 3478 states have call successors, (3478), 891 states have call predecessors, (3478), 1002 states have return successors, (4342), 3206 states have call predecessors, (4342), 3466 states have call successors, (4342) [2021-11-20 07:28:53,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19164 states to 19164 states and 29631 transitions. [2021-11-20 07:28:53,622 INFO L78 Accepts]: Start accepts. Automaton has 19164 states and 29631 transitions. Word has length 202 [2021-11-20 07:28:53,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:28:53,622 INFO L470 AbstractCegarLoop]: Abstraction has 19164 states and 29631 transitions. [2021-11-20 07:28:53,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.11111111111111) internal successors, (118), 7 states have internal predecessors, (118), 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) [2021-11-20 07:28:53,623 INFO L276 IsEmpty]: Start isEmpty. Operand 19164 states and 29631 transitions. [2021-11-20 07:28:53,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-11-20 07:28:53,656 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:28:53,656 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] [2021-11-20 07:28:53,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-20 07:28:53,656 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:28:53,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:28:53,657 INFO L85 PathProgramCache]: Analyzing trace with hash -904799276, now seen corresponding path program 1 times [2021-11-20 07:28:53,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:28:53,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410489798] [2021-11-20 07:28:53,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:28:53,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:28:56,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:28:56,010 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:28:57,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:28:58,185 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:28:58,186 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 07:28:58,188 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 07:28:58,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-20 07:28:58,198 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:28:58,203 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 07:28:59,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:28:59 BoogieIcfgContainer [2021-11-20 07:28:59,176 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 07:28:59,177 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 07:28:59,177 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 07:28:59,177 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 07:28:59,178 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:20:16" (3/4) ... [2021-11-20 07:28:59,181 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 07:28:59,181 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 07:28:59,182 INFO L158 Benchmark]: Toolchain (without parser) took 540552.68ms. Allocated memory was 98.6MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 63.2MB in the beginning and 826.6MB in the end (delta: -763.4MB). Peak memory consumption was 419.6MB. Max. memory is 16.1GB. [2021-11-20 07:28:59,188 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 81.8MB. Free memory was 53.7MB in the beginning and 53.6MB in the end (delta: 27.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:28:59,188 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4635.78ms. Allocated memory was 98.6MB in the beginning and 178.3MB in the end (delta: 79.7MB). Free memory was 62.9MB in the beginning and 75.2MB in the end (delta: -12.3MB). Peak memory consumption was 91.2MB. Max. memory is 16.1GB. [2021-11-20 07:28:59,188 INFO L158 Benchmark]: Boogie Procedure Inliner took 530.83ms. Allocated memory is still 178.3MB. Free memory was 75.2MB in the beginning and 55.4MB in the end (delta: 19.8MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2021-11-20 07:28:59,189 INFO L158 Benchmark]: Boogie Preprocessor took 899.31ms. Allocated memory was 178.3MB in the beginning and 318.8MB in the end (delta: 140.5MB). Free memory was 55.4MB in the beginning and 212.1MB in the end (delta: -156.8MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. [2021-11-20 07:28:59,190 INFO L158 Benchmark]: RCFGBuilder took 11842.08ms. Allocated memory was 318.8MB in the beginning and 637.5MB in the end (delta: 318.8MB). Free memory was 212.1MB in the beginning and 473.2MB in the end (delta: -261.0MB). Peak memory consumption was 362.9MB. Max. memory is 16.1GB. [2021-11-20 07:28:59,190 INFO L158 Benchmark]: TraceAbstraction took 522633.06ms. Allocated memory was 637.5MB in the beginning and 1.3GB in the end (delta: 643.8MB). Free memory was 473.2MB in the beginning and 827.6MB in the end (delta: -354.5MB). Peak memory consumption was 881.8MB. Max. memory is 16.1GB. [2021-11-20 07:28:59,191 INFO L158 Benchmark]: Witness Printer took 4.53ms. Allocated memory is still 1.3GB. Free memory was 827.6MB in the beginning and 826.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:28:59,197 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 81.8MB. Free memory was 53.7MB in the beginning and 53.6MB in the end (delta: 27.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4635.78ms. Allocated memory was 98.6MB in the beginning and 178.3MB in the end (delta: 79.7MB). Free memory was 62.9MB in the beginning and 75.2MB in the end (delta: -12.3MB). Peak memory consumption was 91.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 530.83ms. Allocated memory is still 178.3MB. Free memory was 75.2MB in the beginning and 55.4MB in the end (delta: 19.8MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 899.31ms. Allocated memory was 178.3MB in the beginning and 318.8MB in the end (delta: 140.5MB). Free memory was 55.4MB in the beginning and 212.1MB in the end (delta: -156.8MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. * RCFGBuilder took 11842.08ms. Allocated memory was 318.8MB in the beginning and 637.5MB in the end (delta: 318.8MB). Free memory was 212.1MB in the beginning and 473.2MB in the end (delta: -261.0MB). Peak memory consumption was 362.9MB. Max. memory is 16.1GB. * TraceAbstraction took 522633.06ms. Allocated memory was 637.5MB in the beginning and 1.3GB in the end (delta: 643.8MB). Free memory was 473.2MB in the beginning and 827.6MB in the end (delta: -354.5MB). Peak memory consumption was 881.8MB. Max. memory is 16.1GB. * Witness Printer took 4.53ms. Allocated memory is still 1.3GB. Free memory was 827.6MB in the beginning and 826.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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=-2, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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=18446744073709551597, ldvarg11={0:0}, ldvarg3=-4, 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=-4, tmp___2={104:0}, tmp___2=18446744073709551597, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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=-5, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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=18446744073709551597, ldvarg11={0:0}, ldvarg3=-4, 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=-4, tmp___2=18446744073709551597, 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] tmp___3 = ldv_zalloc(16UL) [L4826] ldvarg5 = (struct poll_table_struct *)tmp___3 VAL [__this_module={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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=18446744073709551597, ldvarg11={0:0}, ldvarg3=-4, 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=-4, tmp___2={104:0}, tmp___2=18446744073709551597, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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=-6, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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=18446744073709551597, ldvarg11={0:0}, ldvarg3=-4, 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=-4, tmp___1={101:0}, tmp___2=18446744073709551597, tmp___2={104:0}, 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] tmp___4 = ldv_zalloc(8UL) [L4828] ldvarg6 = (loff_t *)tmp___4 VAL [__this_module={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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=18446744073709551597, ldvarg11={0:0}, ldvarg3=-4, 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=-4, tmp___1={101:0}, tmp___2={104:0}, tmp___2=18446744073709551597, tmp___3={0:0}, tmp___3={106:0}, tmp___4={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] [L4829] CALL, EXPR ldv_zalloc(1UL) VAL [__this_module={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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=-7, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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=18446744073709551597, ldvarg11={0:0}, ldvarg3=-4, 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=-4, tmp___1={101:0}, tmp___2={104:0}, tmp___2=18446744073709551597, tmp___3={0:0}, tmp___3={106:0}, tmp___4={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] [L4829] tmp___5 = ldv_zalloc(1UL) [L4830] ldvarg8 = (char *)tmp___5 [L4831] tmp___6 = __VERIFIER_nondet_uint() [L4832] ldvarg1 = tmp___6 VAL [__this_module={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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=18446744073709551597, ldvarg1=260, ldvarg11={0:0}, ldvarg3=-4, 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=-4, tmp___1={101:0}, tmp___2=18446744073709551597, 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, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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=-9, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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=18446744073709551597, ldvarg1=260, ldvarg11={0:0}, ldvarg3=-4, 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=-4, tmp___2=18446744073709551597, 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, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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=18446744073709551597, ldvarg1=260, ldvarg10=18446744073709551606, ldvarg11={0:0}, ldvarg3=-4, 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=-4, tmp___2={104:0}, tmp___2=18446744073709551597, 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=18446744073709551606, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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=-11, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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=18446744073709551597, ldvarg1=260, ldvarg10=18446744073709551606, ldvarg11={0:0}, ldvarg3=-4, 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=-4, tmp___2={104:0}, tmp___2=18446744073709551597, 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=18446744073709551606, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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=18446744073709551597, ldvarg1=260, ldvarg10=18446744073709551606, ldvarg11={0:0}, ldvarg2=-12, ldvarg3=-4, ldvarg36=18446744073709551602, 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=-4, tmp___10=-12, tmp___11=18446744073709551602, tmp___2={104:0}, tmp___2=18446744073709551597, 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=18446744073709551606, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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=18446744073709551597, ldvarg1=260, ldvarg10=18446744073709551606, ldvarg11={0:0}, ldvarg2=-12, ldvarg3=-4, ldvarg36=18446744073709551602, 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=-4, tmp___10=-12, tmp___11=18446744073709551602, tmp___12=3, tmp___2={104:0}, tmp___2=18446744073709551597, 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=18446744073709551606, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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=18446744073709551597, ldvarg1=260, ldvarg10=18446744073709551606, ldvarg11={0:0}, ldvarg2=-12, ldvarg3=-4, ldvarg36=18446744073709551602, 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=-4, tmp___1={101:0}, tmp___10=-12, tmp___11=18446744073709551602, tmp___12=3, tmp___14=1, tmp___2=18446744073709551597, 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=18446744073709551606, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, arg0={115:0}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, arg0={115:0}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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=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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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=18446744073709551597, ldvarg1=260, ldvarg10=18446744073709551606, ldvarg11={0:0}, ldvarg2=-12, ldvarg3=-4, ldvarg36=18446744073709551602, 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={101:0}, tmp___1=-4, tmp___10=-12, tmp___11=18446744073709551602, tmp___12=3, tmp___14=1, tmp___2={104:0}, tmp___2=18446744073709551597, 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=18446744073709551606, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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=-15, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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=-17, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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=18446744073709551597, ldvarg1=260, ldvarg10=18446744073709551606, ldvarg11={0:0}, ldvarg2=-12, ldvarg3=-4, ldvarg36=18446744073709551602, 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=-4, tmp___1={101:0}, tmp___10=-12, tmp___11=18446744073709551602, tmp___12=0, tmp___14=1, tmp___2={104:0}, tmp___2=18446744073709551597, 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=18446744073709551606, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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=18446744073709551597, ldvarg1=260, ldvarg10=18446744073709551606, ldvarg11={0:0}, ldvarg2=-12, ldvarg3=-4, ldvarg36=18446744073709551602, 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={101:0}, tmp___1=-4, tmp___10=-12, tmp___11=18446744073709551602, tmp___12=0, tmp___13=3, tmp___14=1, tmp___2={104:0}, tmp___2=18446744073709551597, 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=18446744073709551606, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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=18446744073709551597, ldvarg1=260, ldvarg10=18446744073709551606, ldvarg11={0:0}, ldvarg2=-12, ldvarg3=-4, ldvarg36=18446744073709551602, 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=-4, tmp___10=-12, tmp___11=18446744073709551602, tmp___12=0, tmp___13=3, tmp___14=1, tmp___2=18446744073709551597, 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=18446744073709551606, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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=18446744073709551597, ldvarg1=260, ldvarg10=18446744073709551606, ldvarg11={0:0}, ldvarg2=-12, ldvarg3=-4, ldvarg36=18446744073709551602, 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=-4, tmp___10=-12, tmp___11=18446744073709551602, tmp___12=0, tmp___13=3, tmp___14=1, tmp___2=18446744073709551597, 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=18446744073709551606, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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=18446744073709551597, ldvarg1=260, ldvarg10=18446744073709551606, ldvarg11={0:0}, ldvarg2=-12, ldvarg3=-4, ldvarg36=18446744073709551602, 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=-4, tmp___1={101:0}, tmp___10=-12, tmp___11=18446744073709551602, tmp___12=0, tmp___13=7, tmp___14=1, tmp___2={104:0}, tmp___2=18446744073709551597, 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=18446744073709551606, 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={18446744073709551610:18446744073709551599}, \old(arg)=18446744073709551597, \old(cmd)=260, __this_module={18446744073709551600:18446744073709551607}, arg=18446744073709551597, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551598:-88}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551610:18446744073709551599}, 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={18446744073709551610:18446744073709551599}, \old(arg)=18446744073709551597, \old(cmd)=260, __this_module={18446744073709551600:18446744073709551607}, arg=18446744073709551597, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551598:-88}, 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)=18446744073709551597, \old(cmd)=260, __this_module={18446744073709551600:18446744073709551607}, arg=18446744073709551597, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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:-19}, 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)=18446744073709551597, \old(cmd)=260, __this_module={18446744073709551600:18446744073709551607}, arg=18446744073709551597, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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:-19}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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)=18446744073709551597, \old(cmd)=260, __this_module={18446744073709551600:18446744073709551607}, arg=18446744073709551597, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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:-19}, 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)=18446744073709551597, \old(cmd)=260, __this_module={18446744073709551600:18446744073709551607}, arg=18446744073709551597, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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:-19}, 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)=18446744073709551597, \old(cmd)=260, __this_module={18446744073709551600:18446744073709551607}, arg=18446744073709551597, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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:-19}, 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={18446744073709551600:18446744073709551607}, arg={0:-19}, arg={0:-19}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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:-19}, 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={18446744073709551600:18446744073709551607}, arg={0:-19}, arg={0:-19}, audio_devs={102:0}, audio_devs[dev]={18446744073709551613:-192}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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:-19}, 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={18446744073709551600:18446744073709551607}, arg={0:-19}, arg={0:-19}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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:-19}, 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)=18446744073709551597, \old(cmd)=260, \result=-6, __this_module={18446744073709551600:18446744073709551607}, arg=18446744073709551597, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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:-19}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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=18446744073709551597, ldvarg1=260, ldvarg10=18446744073709551606, ldvarg11={0:0}, ldvarg2=-12, ldvarg3=-4, ldvarg36=18446744073709551602, 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=-4, tmp___10=-12, tmp___11=18446744073709551602, tmp___12=0, tmp___13=7, tmp___14=1, tmp___2={104:0}, tmp___2=18446744073709551597, 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=18446744073709551606, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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=18446744073709551597, ldvarg1=260, ldvarg10=18446744073709551606, ldvarg11={0:0}, ldvarg2=-12, ldvarg3=-4, ldvarg36=18446744073709551602, 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=-4, tmp___10=-12, tmp___11=18446744073709551602, tmp___12=0, tmp___13=7, tmp___14=1, tmp___2={104:0}, tmp___2=18446744073709551597, 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=18446744073709551606, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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=18446744073709551597, ldvarg1=260, ldvarg10=18446744073709551606, ldvarg11={0:0}, ldvarg2=-12, ldvarg3=-4, ldvarg36=18446744073709551602, 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=-4, tmp___10=-12, tmp___11=18446744073709551602, tmp___12=0, tmp___13=1, tmp___14=1, tmp___2={104:0}, tmp___2=18446744073709551597, 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=18446744073709551606, 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={18446744073709551610:18446744073709551599}, \old(count)=-3, __this_module={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551598:-88}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551610:18446744073709551599}, 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={18446744073709551610:18446744073709551599}, \old(count)=-3, __this_module={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551598:-88}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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={18446744073709551600:18446744073709551607}, audio_devs={102:0}, boot_tvec_bases={18446744073709551601:18446744073709551603}, 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: 521.6s, OverallIterations: 19, TraceHistogramMax: 8, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.4s, AutomataDifference: 457.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 29 mSolverCounterUnknown, 125528 SdHoareTripleChecker+Valid, 437.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 118680 mSDsluCounter, 277000 SdHoareTripleChecker+Invalid, 389.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 4539 IncrementalHoareTripleChecker+Unchecked, 168311 mSDsCounter, 48294 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 147709 IncrementalHoareTripleChecker+Invalid, 200571 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 48294 mSolverCounterUnsat, 108689 mSDtfsCounter, 147709 mSolverCounterSat, 1.6s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1653 GetRequests, 1524 SyntacticMatches, 1 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 18.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19164occurred in iteration=18, InterpolantAutomatonStates: 141, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 9.9s AutomataMinimizationTime, 18 MinimizatonAttempts, 28444 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 8.9s SatisfiabilityAnalysisTime, 38.8s InterpolantComputationTime, 3338 NumberOfCodeBlocks, 3338 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 3509 ConstructedInterpolants, 136 QuantifiedInterpolants, 21209 SizeOfPredicates, 29 NumberOfNonLiveVariables, 13582 ConjunctsInSsa, 60 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 [2021-11-20 07:28:59,432 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-20 07:28:59,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/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=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF --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 0.2.1-dev-53f42b1 [2021-11-20 07:29:01,846 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:29:01,850 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:29:01,901 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:29:01,901 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:29:01,906 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:29:01,908 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:29:01,915 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:29:01,919 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:29:01,926 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:29:01,928 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:29:01,930 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:29:01,930 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:29:01,933 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:29:01,936 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:29:01,941 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:29:01,943 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:29:01,944 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:29:01,946 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:29:01,956 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:29:01,959 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:29:01,960 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:29:01,964 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:29:01,966 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:29:01,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:29:01,976 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:29:01,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:29:01,979 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:29:01,979 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:29:01,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:29:01,981 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:29:01,982 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:29:01,983 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:29:01,984 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:29:02,001 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:29:02,002 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:29:02,003 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:29:02,003 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:29:02,004 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:29:02,006 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:29:02,006 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:29:02,007 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-11-20 07:29:02,052 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:29:02,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:29:02,054 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:29:02,054 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:29:02,055 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:29:02,055 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:29:02,056 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:29:02,057 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:29:02,058 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:29:02,058 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:29:02,059 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:29:02,059 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:29:02,060 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:29:02,060 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:29:02,060 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-20 07:29:02,060 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 07:29:02,061 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 07:29:02,061 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:29:02,061 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:29:02,061 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:29:02,062 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:29:02,062 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:29:02,062 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:29:02,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:29:02,063 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:29:02,063 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:29:02,063 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:29:02,063 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-20 07:29:02,064 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 07:29:02,064 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:29:02,064 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 07:29:02,064 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:29:02,065 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:29:02,065 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 07:29:02,065 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa2b7015249343fdf8056852ea29542152fe4e2fe5328579e80867d2e6b2b327 [2021-11-20 07:29:02,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:29:02,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:29:02,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:29:02,467 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:29:02,468 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:29:02,469 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-validator-v0.6/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i [2021-11-20 07:29:02,534 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/data/601ae26c0/aaa2129be7fb4b769be0572cc9a63e42/FLAG63176a3a4 [2021-11-20 07:29:03,596 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:29:03,598 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/sv-benchmarks/c/ldv-validator-v0.6/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i [2021-11-20 07:29:03,658 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/data/601ae26c0/aaa2129be7fb4b769be0572cc9a63e42/FLAG63176a3a4 [2021-11-20 07:29:03,896 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/data/601ae26c0/aaa2129be7fb4b769be0572cc9a63e42 [2021-11-20 07:29:03,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:29:03,907 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:29:03,909 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:29:03,910 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:29:03,914 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:29:03,915 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:29:03" (1/1) ... [2021-11-20 07:29:03,917 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43fe7736 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:29:03, skipping insertion in model container [2021-11-20 07:29:03,917 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:29:03" (1/1) ... [2021-11-20 07:29:03,926 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:29:04,148 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:29:05,044 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/sv-benchmarks/c/ldv-validator-v0.6/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i[81795,81808] [2021-11-20 07:29:07,954 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:29:08,084 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-20 07:29:08,212 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:29:08,293 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/sv-benchmarks/c/ldv-validator-v0.6/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i[81795,81808] [2021-11-20 07:29:08,926 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:29:09,001 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:29:09,126 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/sv-benchmarks/c/ldv-validator-v0.6/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i[81795,81808] [2021-11-20 07:29:09,661 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:29:10,076 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:29:10,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:29:10 WrapperNode [2021-11-20 07:29:10,091 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:29:10,092 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:29:10,092 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:29:10,093 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:29:10,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:29:10" (1/1) ... [2021-11-20 07:29:10,384 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:29:10" (1/1) ... [2021-11-20 07:29:10,743 INFO L137 Inliner]: procedures = 434, calls = 5126, calls flagged for inlining = 152, calls inlined = 136, statements flattened = 9807 [2021-11-20 07:29:10,744 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:29:10,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:29:10,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:29:10,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:29:10,755 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:29:10" (1/1) ... [2021-11-20 07:29:10,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:29:10" (1/1) ... [2021-11-20 07:29:10,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:29:10" (1/1) ... [2021-11-20 07:29:10,826 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:29:10" (1/1) ... [2021-11-20 07:29:11,235 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:29:10" (1/1) ... [2021-11-20 07:29:11,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:29:10" (1/1) ... [2021-11-20 07:29:11,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:29:10" (1/1) ... [2021-11-20 07:29:11,382 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:29:11,383 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:29:11,383 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:29:11,383 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:29:11,384 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:29:10" (1/1) ... [2021-11-20 07:29:11,393 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:29:11,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:29:11,420 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:29:11,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:29:11,467 INFO L130 BoogieDeclarations]: Found specification of procedure timer_open [2021-11-20 07:29:11,467 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_open [2021-11-20 07:29:11,468 INFO L130 BoogieDeclarations]: Found specification of procedure timer_event [2021-11-20 07:29:11,468 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_event [2021-11-20 07:29:11,468 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-20 07:29:11,468 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-20 07:29:11,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 07:29:11,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 07:29:11,469 INFO L130 BoogieDeclarations]: Found specification of procedure dma_reset_output [2021-11-20 07:29:11,469 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_reset_output [2021-11-20 07:29:11,469 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_release [2021-11-20 07:29:11,469 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_release [2021-11-20 07:29:11,469 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~C_ULONG~X~C_INT~X~C_INT~TO~VOID [2021-11-20 07:29:11,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~C_ULONG~X~C_INT~X~C_INT~TO~VOID [2021-11-20 07:29:11,470 INFO L130 BoogieDeclarations]: Found specification of procedure local_start_dma [2021-11-20 07:29:11,470 INFO L138 BoogieDeclarations]: Found implementation of procedure local_start_dma [2021-11-20 07:29:11,470 INFO L130 BoogieDeclarations]: Found specification of procedure translate_bytes [2021-11-20 07:29:11,470 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_bytes [2021-11-20 07:29:11,470 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2021-11-20 07:29:11,470 INFO L130 BoogieDeclarations]: Found specification of procedure seq_copy_to_input [2021-11-20 07:29:11,471 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_copy_to_input [2021-11-20 07:29:11,471 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~C_INT~X~C_INT~X~C_INT~TO~VOID [2021-11-20 07:29:11,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~C_INT~X~C_INT~X~C_INT~TO~VOID [2021-11-20 07:29:11,471 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-20 07:29:11,471 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-20 07:29:11,471 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_sync [2021-11-20 07:29:11,472 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_sync [2021-11-20 07:29:11,472 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_launch_output [2021-11-20 07:29:11,472 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_launch_output [2021-11-20 07:29:11,472 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-20 07:29:11,472 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-20 07:29:11,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_soundcard_mutex [2021-11-20 07:29:11,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_soundcard_mutex [2021-11-20 07:29:11,473 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-20 07:29:11,473 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-20 07:29:11,473 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~X~C_INT~TO~C_INT [2021-11-20 07:29:11,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~X~C_INT~TO~C_INT [2021-11-20 07:29:11,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:29:11,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-20 07:29:11,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-20 07:29:11,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-20 07:29:11,474 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_space_in_queue [2021-11-20 07:29:11,474 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_space_in_queue [2021-11-20 07:29:11,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-20 07:29:11,475 INFO L130 BoogieDeclarations]: Found specification of procedure timer_get_time [2021-11-20 07:29:11,475 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_get_time [2021-11-20 07:29:11,475 INFO L130 BoogieDeclarations]: Found specification of procedure enable_dma [2021-11-20 07:29:11,475 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_dma [2021-11-20 07:29:11,475 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~TO~VOID [2021-11-20 07:29:11,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~TO~VOID [2021-11-20 07:29:11,476 INFO L130 BoogieDeclarations]: Found specification of procedure timer_ioctl [2021-11-20 07:29:11,476 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_ioctl [2021-11-20 07:29:11,476 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~C_SHORT~TO~C_SHORT [2021-11-20 07:29:11,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~C_SHORT~TO~C_SHORT [2021-11-20 07:29:11,476 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-20 07:29:11,476 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-20 07:29:11,477 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~C_UINT~X~$Pointer$~TO~C_INT [2021-11-20 07:29:11,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~C_UINT~X~$Pointer$~TO~C_INT [2021-11-20 07:29:11,477 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-20 07:29:11,477 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-20 07:29:11,477 INFO L130 BoogieDeclarations]: Found specification of procedure sound_mixer_ioctl [2021-11-20 07:29:11,477 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_mixer_ioctl [2021-11-20 07:29:11,478 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_arm [2021-11-20 07:29:11,478 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_arm [2021-11-20 07:29:11,478 INFO L130 BoogieDeclarations]: Found specification of procedure dma_subdivide [2021-11-20 07:29:11,478 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_subdivide [2021-11-20 07:29:11,478 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_activate_recording [2021-11-20 07:29:11,478 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_activate_recording [2021-11-20 07:29:11,479 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-20 07:29:11,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-20 07:29:11,479 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user [2021-11-20 07:29:11,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user [2021-11-20 07:29:11,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-20 07:29:11,479 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-20 07:29:11,480 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~TO~C_INT [2021-11-20 07:29:11,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~TO~C_INT [2021-11-20 07:29:11,480 INFO L130 BoogieDeclarations]: Found specification of procedure seq_sync [2021-11-20 07:29:11,480 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_sync [2021-11-20 07:29:11,480 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_bits [2021-11-20 07:29:11,480 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_bits [2021-11-20 07:29:11,480 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_sound_special [2021-11-20 07:29:11,481 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_sound_special [2021-11-20 07:29:11,481 INFO L130 BoogieDeclarations]: Found specification of procedure close_dmap [2021-11-20 07:29:11,481 INFO L138 BoogieDeclarations]: Found implementation of procedure close_dmap [2021-11-20 07:29:11,481 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_close [2021-11-20 07:29:11,481 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_close [2021-11-20 07:29:11,481 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2021-11-20 07:29:11,482 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-20 07:29:11,482 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-20 07:29:11,482 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-20 07:29:11,482 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-20 07:29:11,482 INFO L130 BoogieDeclarations]: Found specification of procedure timer_arm [2021-11-20 07:29:11,482 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_arm [2021-11-20 07:29:11,483 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~C_INT~TO~C_INT [2021-11-20 07:29:11,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~C_INT~TO~C_INT [2021-11-20 07:29:11,483 INFO L130 BoogieDeclarations]: Found specification of procedure register_sound_special [2021-11-20 07:29:11,483 INFO L138 BoogieDeclarations]: Found implementation of procedure register_sound_special [2021-11-20 07:29:11,483 INFO L130 BoogieDeclarations]: Found specification of procedure sound_mmap [2021-11-20 07:29:11,483 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_mmap [2021-11-20 07:29:11,484 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2021-11-20 07:29:11,484 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2021-11-20 07:29:11,484 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~C_UINT~TO~C_UINT [2021-11-20 07:29:11,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~C_UINT~TO~C_UINT [2021-11-20 07:29:11,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 07:29:11,484 INFO L130 BoogieDeclarations]: Found specification of procedure claim_dma_lock [2021-11-20 07:29:11,484 INFO L138 BoogieDeclarations]: Found implementation of procedure claim_dma_lock [2021-11-20 07:29:11,485 INFO L130 BoogieDeclarations]: Found specification of procedure timer_close [2021-11-20 07:29:11,485 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_close [2021-11-20 07:29:11,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:29:11,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 07:29:11,485 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-20 07:29:11,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-20 07:29:11,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-20 07:29:11,486 INFO L130 BoogieDeclarations]: Found specification of procedure dma_reset_input [2021-11-20 07:29:11,486 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_reset_input [2021-11-20 07:29:11,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-20 07:29:11,486 INFO L130 BoogieDeclarations]: Found specification of procedure interruptible_sleep_on_timeout [2021-11-20 07:29:11,486 INFO L138 BoogieDeclarations]: Found implementation of procedure interruptible_sleep_on_timeout [2021-11-20 07:29:11,487 INFO L130 BoogieDeclarations]: Found specification of procedure set_format [2021-11-20 07:29:11,487 INFO L138 BoogieDeclarations]: Found implementation of procedure set_format [2021-11-20 07:29:11,487 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_reset [2021-11-20 07:29:11,487 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_reset [2021-11-20 07:29:11,487 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2021-11-20 07:29:11,487 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2021-11-20 07:29:11,488 INFO L130 BoogieDeclarations]: Found specification of procedure seq_reset [2021-11-20 07:29:11,488 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_reset [2021-11-20 07:29:11,488 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2021-11-20 07:29:11,488 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2021-11-20 07:29:11,488 INFO L130 BoogieDeclarations]: Found specification of procedure seq_drain_midi_queues [2021-11-20 07:29:11,488 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_drain_midi_queues [2021-11-20 07:29:11,489 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~TO~VOID [2021-11-20 07:29:11,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~TO~VOID [2021-11-20 07:29:11,489 INFO L130 BoogieDeclarations]: Found specification of procedure dma_ioctl [2021-11-20 07:29:11,489 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_ioctl [2021-11-20 07:29:11,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_soundcard_mutex [2021-11-20 07:29:11,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_soundcard_mutex [2021-11-20 07:29:11,489 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2021-11-20 07:29:11,490 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2021-11-20 07:29:11,490 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2021-11-20 07:29:11,490 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2021-11-20 07:29:11,490 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-20 07:29:11,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-20 07:29:11,490 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~C_INT~X~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-20 07:29:11,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~C_INT~X~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-20 07:29:11,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-20 07:29:11,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:29:11,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:29:11,491 INFO L130 BoogieDeclarations]: Found specification of procedure seq_startplay [2021-11-20 07:29:11,491 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_startplay [2021-11-20 07:29:11,492 INFO L130 BoogieDeclarations]: Found specification of procedure clear_dma_ff [2021-11-20 07:29:11,492 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_dma_ff [2021-11-20 07:29:11,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-20 07:29:11,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-20 07:29:11,492 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-20 07:29:11,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-20 07:29:11,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-20 07:29:11,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 07:29:11,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-20 07:29:11,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 07:29:11,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 07:29:11,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 07:29:11,494 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-20 07:29:11,494 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-20 07:29:11,494 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-20 07:29:11,494 INFO L130 BoogieDeclarations]: Found specification of procedure translate_mode [2021-11-20 07:29:11,494 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_mode [2021-11-20 07:29:11,494 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get___0 [2021-11-20 07:29:11,495 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get___0 [2021-11-20 07:29:11,495 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_move_wrpointer [2021-11-20 07:29:11,495 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_move_wrpointer [2021-11-20 07:29:11,495 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-20 07:29:11,495 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-20 07:29:11,495 INFO L130 BoogieDeclarations]: Found specification of procedure tmr_reset [2021-11-20 07:29:11,495 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr_reset [2021-11-20 07:29:11,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-20 07:29:11,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-20 07:29:11,496 INFO L130 BoogieDeclarations]: Found specification of procedure sound_stop_timer [2021-11-20 07:29:11,496 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_stop_timer [2021-11-20 07:29:11,496 INFO L130 BoogieDeclarations]: Found specification of procedure tmr2ticks___0 [2021-11-20 07:29:11,496 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr2ticks___0 [2021-11-20 07:29:11,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 07:29:11,497 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 07:29:11,497 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-20 07:29:11,497 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-20 07:29:11,497 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-11-20 07:29:11,497 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-11-20 07:29:11,498 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-20 07:29:11,498 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-20 07:29:11,498 INFO L130 BoogieDeclarations]: Found specification of procedure tmr_reset___0 [2021-11-20 07:29:11,498 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr_reset___0 [2021-11-20 07:29:11,498 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~C_INT~X~C_INT~X~C_INT~TO~C_INT [2021-11-20 07:29:11,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~C_INT~X~C_INT~X~C_INT~TO~C_INT [2021-11-20 07:29:11,499 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2021-11-20 07:29:11,499 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2021-11-20 07:29:11,499 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2021-11-20 07:29:11,499 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2021-11-20 07:29:11,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:29:11,499 INFO L130 BoogieDeclarations]: Found specification of procedure sound_free_dmap [2021-11-20 07:29:11,500 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_free_dmap [2021-11-20 07:29:11,500 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2021-11-20 07:29:11,500 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2021-11-20 07:29:11,500 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~C_INT~X~C_INT~TO~VOID [2021-11-20 07:29:11,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~C_INT~X~C_INT~TO~VOID [2021-11-20 07:29:11,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 07:29:11,500 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-20 07:29:11,501 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-20 07:29:11,501 INFO L130 BoogieDeclarations]: Found specification of procedure reprogram_timer [2021-11-20 07:29:11,501 INFO L138 BoogieDeclarations]: Found implementation of procedure reprogram_timer [2021-11-20 07:29:11,501 INFO L130 BoogieDeclarations]: Found specification of procedure midi_outc___0 [2021-11-20 07:29:11,502 INFO L138 BoogieDeclarations]: Found implementation of procedure midi_outc___0 [2021-11-20 07:29:11,502 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-11-20 07:29:11,502 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-11-20 07:29:11,502 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~C_INT~X~C_INT~TO~C_INT [2021-11-20 07:29:11,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~C_INT~X~C_INT~TO~C_INT [2021-11-20 07:29:11,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-20 07:29:11,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-20 07:29:11,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-20 07:29:11,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-20 07:29:11,503 INFO L130 BoogieDeclarations]: Found specification of procedure dmabuf_timeout [2021-11-20 07:29:11,503 INFO L138 BoogieDeclarations]: Found implementation of procedure dmabuf_timeout [2021-11-20 07:29:11,503 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info___0 [2021-11-20 07:29:11,503 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info___0 [2021-11-20 07:29:11,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 07:29:11,504 INFO L130 BoogieDeclarations]: Found specification of procedure module_is_live [2021-11-20 07:29:11,504 INFO L138 BoogieDeclarations]: Found implementation of procedure module_is_live [2021-11-20 07:29:11,504 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-20 07:29:11,504 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-20 07:29:11,504 INFO L130 BoogieDeclarations]: Found specification of procedure sound_start_dma [2021-11-20 07:29:11,504 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_start_dma [2021-11-20 07:29:11,505 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_event [2021-11-20 07:29:11,505 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_event [2021-11-20 07:29:11,505 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-20 07:29:11,505 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-20 07:29:11,505 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-20 07:29:11,505 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-20 07:29:11,506 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_open [2021-11-20 07:29:11,506 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_open [2021-11-20 07:29:11,506 INFO L130 BoogieDeclarations]: Found specification of procedure interruptible_sleep_on [2021-11-20 07:29:11,506 INFO L138 BoogieDeclarations]: Found implementation of procedure interruptible_sleep_on [2021-11-20 07:29:11,506 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~C_UCHAR~TO~C_INT [2021-11-20 07:29:11,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~C_UCHAR~TO~C_INT [2021-11-20 07:29:11,506 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~C_INT~TO~VOID [2021-11-20 07:29:11,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~C_INT~TO~VOID [2021-11-20 07:29:11,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-20 07:29:11,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-20 07:29:11,507 INFO L130 BoogieDeclarations]: Found specification of procedure waitqueue_active [2021-11-20 07:29:11,507 INFO L138 BoogieDeclarations]: Found implementation of procedure waitqueue_active [2021-11-20 07:29:11,507 INFO L130 BoogieDeclarations]: Found specification of procedure sound_alloc_dmap [2021-11-20 07:29:11,508 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_alloc_dmap [2021-11-20 07:29:11,508 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_fragment [2021-11-20 07:29:11,508 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_fragment [2021-11-20 07:29:11,508 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_get_time [2021-11-20 07:29:11,508 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_get_time [2021-11-20 07:29:11,508 INFO L130 BoogieDeclarations]: Found specification of procedure sequencer_timer [2021-11-20 07:29:11,508 INFO L138 BoogieDeclarations]: Found implementation of procedure sequencer_timer [2021-11-20 07:29:11,509 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_residue [2021-11-20 07:29:11,509 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_residue [2021-11-20 07:29:11,509 INFO L130 BoogieDeclarations]: Found specification of procedure sync_output [2021-11-20 07:29:11,509 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_output [2021-11-20 07:29:11,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-20 07:29:11,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-20 07:29:11,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-20 07:29:11,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-20 07:29:11,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 07:29:11,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 07:29:11,510 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2021-11-20 07:29:11,510 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2021-11-20 07:29:11,510 INFO L130 BoogieDeclarations]: Found specification of procedure open_dmap [2021-11-20 07:29:11,511 INFO L138 BoogieDeclarations]: Found implementation of procedure open_dmap [2021-11-20 07:29:11,511 INFO L130 BoogieDeclarations]: Found specification of procedure release_dma_lock [2021-11-20 07:29:11,511 INFO L138 BoogieDeclarations]: Found implementation of procedure release_dma_lock [2021-11-20 07:29:11,511 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2021-11-20 07:29:11,511 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2021-11-20 07:29:11,511 INFO L130 BoogieDeclarations]: Found specification of procedure sound_poll [2021-11-20 07:29:11,511 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_poll [2021-11-20 07:29:11,512 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-20 07:29:11,512 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-20 07:29:11,512 INFO L130 BoogieDeclarations]: Found specification of procedure disable_dma [2021-11-20 07:29:11,512 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_dma [2021-11-20 07:29:11,512 INFO L130 BoogieDeclarations]: Found specification of procedure tmr2ticks [2021-11-20 07:29:11,512 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr2ticks [2021-11-20 07:29:11,512 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-11-20 07:29:11,513 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-11-20 07:29:11,513 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-20 07:29:11,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-20 07:29:11,513 INFO L130 BoogieDeclarations]: Found specification of procedure request_sound_timer [2021-11-20 07:29:11,513 INFO L138 BoogieDeclarations]: Found implementation of procedure request_sound_timer [2021-11-20 07:29:11,513 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_get_buffer_pointer [2021-11-20 07:29:11,513 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_get_buffer_pointer [2021-11-20 07:29:11,514 INFO L130 BoogieDeclarations]: Found specification of procedure sound_write [2021-11-20 07:29:11,514 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_write [2021-11-20 07:29:11,514 INFO L130 BoogieDeclarations]: Found specification of procedure play_event [2021-11-20 07:29:11,514 INFO L138 BoogieDeclarations]: Found implementation of procedure play_event [2021-11-20 07:29:11,514 INFO L130 BoogieDeclarations]: Found specification of procedure reorganize_buffers [2021-11-20 07:29:11,514 INFO L138 BoogieDeclarations]: Found implementation of procedure reorganize_buffers [2021-11-20 07:29:11,514 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-20 07:29:11,515 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-20 07:29:11,515 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-11-20 07:29:11,515 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-11-20 07:29:11,515 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_ioctl [2021-11-20 07:29:11,515 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_ioctl [2021-11-20 07:29:12,603 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:29:12,612 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:29:13,847 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 07:29:14,181 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3836: assume 0bv64 != ~tmp___1~3;#res := ~ret~3; [2021-11-20 07:29:14,182 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3836: assume !(0bv64 != ~tmp___1~3);#res := ~ret~3; [2021-11-20 07:29:14,182 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3803: havoc #t~switch115; [2021-11-20 07:29:14,182 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3832: assume #t~switch115; [2021-11-20 07:29:14,182 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3832: assume !#t~switch115;#t~switch115 := true; [2021-11-20 07:29:14,182 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3824: assume 0bv64 != ~tmp___0~8;#res := ~ret~3; [2021-11-20 07:29:14,182 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3824: assume !(0bv64 != ~tmp___0~8);#res := ~ret~3; [2021-11-20 07:29:14,182 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3820: assume #t~switch115; [2021-11-20 07:29:14,182 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3820: assume !#t~switch115;#t~switch115 := #t~switch115 || 16bv32 == ~size; [2021-11-20 07:29:14,183 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3816: assume #t~switch115;#res := ~ret~3; [2021-11-20 07:29:14,183 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3816: assume !#t~switch115;#t~switch115 := #t~switch115 || 10bv32 == ~size; [2021-11-20 07:29:14,183 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume #t~switch115;#res := ~ret~3; [2021-11-20 07:29:14,183 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3812: assume #t~switch115;#res := ~ret~3; [2021-11-20 07:29:14,183 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3812: assume !#t~switch115;#t~switch115 := #t~switch115 || 8bv32 == ~size; [2021-11-20 07:29:14,183 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3845-1: ~tmp___2~2 := #t~ret118;havoc #t~ret118;#res := ~tmp___2~2[32:0]; [2021-11-20 07:29:14,183 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 [2021-11-20 07:29:14,183 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !#t~switch115;#t~switch115 := #t~switch115 || 2bv32 == ~size; [2021-11-20 07:29:14,184 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3808: assume #t~switch115;#res := ~ret~3; [2021-11-20 07:29:14,184 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3808: assume !#t~switch115;#t~switch115 := #t~switch115 || 4bv32 == ~size; [2021-11-20 07:29:14,184 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3835-1: ~tmp___1~3 := #t~ret117;havoc #t~ret117; [2021-11-20 07:29:14,184 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 [2021-11-20 07:29:14,184 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3823-1: ~tmp___0~8 := #t~ret116;havoc #t~ret116; [2021-11-20 07:29:14,184 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 [2021-11-20 07:29:14,184 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3844: assume #t~switch115; [2021-11-20 07:29:14,184 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3844: assume !#t~switch115; [2021-11-20 07:30:40,303 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3738: havoc __copy_from_user_#t~switch110#1; [2021-11-20 07:30:40,303 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; [2021-11-20 07:30:40,303 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; [2021-11-20 07:30:40,304 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; [2021-11-20 07:30:40,304 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; [2021-11-20 07:30:40,304 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; [2021-11-20 07:30:40,304 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; [2021-11-20 07:30:40,304 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3759: assume __copy_from_user_#t~switch110#1; [2021-11-20 07:30:40,305 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; [2021-11-20 07:30:40,305 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; [2021-11-20 07:30:40,305 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 [2021-11-20 07:30:40,305 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; [2021-11-20 07:30:40,306 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; [2021-11-20 07:30:40,306 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3772: assume __copy_from_user_#t~switch110#1; [2021-11-20 07:30:40,306 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3772: assume !__copy_from_user_#t~switch110#1;__copy_from_user_#t~switch110#1 := true; [2021-11-20 07:30:40,306 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 [2021-11-20 07:30:40,306 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; [2021-11-20 07:30:40,307 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; [2021-11-20 07:30:40,307 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; [2021-11-20 07:30:40,307 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3785: assume __copy_from_user_#t~switch110#1; [2021-11-20 07:30:40,307 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3785: assume !__copy_from_user_#t~switch110#1; [2021-11-20 07:30:40,308 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 [2021-11-20 07:30:40,308 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]; [2021-11-20 07:30:40,308 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; [2021-11-20 07:30:40,308 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; [2021-11-20 07:30:40,511 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:30:40,542 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:30:40,542 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 07:30:40,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:30:40 BoogieIcfgContainer [2021-11-20 07:30:40,550 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:30:40,553 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:30:40,553 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:30:40,556 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:30:40,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:29:03" (1/3) ... [2021-11-20 07:30:40,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77705978 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:30:40, skipping insertion in model container [2021-11-20 07:30:40,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:29:10" (2/3) ... [2021-11-20 07:30:40,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77705978 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:30:40, skipping insertion in model container [2021-11-20 07:30:40,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:30:40" (3/3) ... [2021-11-20 07:30:40,559 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i [2021-11-20 07:30:40,565 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:30:40,565 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 07:30:40,630 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 07:30:40,637 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 [2021-11-20 07:30:40,637 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 07:30:40,724 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) [2021-11-20 07:30:40,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-20 07:30:40,734 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:30:40,735 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] [2021-11-20 07:30:40,735 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:30:40,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:30:40,741 INFO L85 PathProgramCache]: Analyzing trace with hash 862318060, now seen corresponding path program 1 times [2021-11-20 07:30:40,759 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:30:40,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1387219119] [2021-11-20 07:30:40,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:30:40,761 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:30:40,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:30:40,764 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:30:40,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-20 07:30:46,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:47,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 2513 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 07:30:47,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:30:47,599 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-20 07:30:47,599 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:30:47,829 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-20 07:30:47,832 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:30:47,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1387219119] [2021-11-20 07:30:47,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1387219119] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 07:30:47,835 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:30:47,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-20 07:30:47,837 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131329875] [2021-11-20 07:30:47,841 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 07:30:47,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:30:47,847 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:30:47,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:30:47,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:30:47,899 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 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-20 07:30:48,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:30:48,933 INFO L93 Difference]: Finished difference Result 8294 states and 12825 transitions. [2021-11-20 07:30:48,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:30:48,940 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 55 [2021-11-20 07:30:48,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:30:49,004 INFO L225 Difference]: With dead ends: 8294 [2021-11-20 07:30:49,004 INFO L226 Difference]: Without dead ends: 4594 [2021-11-20 07:30:49,036 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:30:49,042 INFO L933 BasicCegarLoop]: 5840 mSDtfsCounter, 1423 mSDsluCounter, 5620 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1423 SdHoareTripleChecker+Valid, 11460 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-20 07:30:49,045 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1423 Valid, 11460 Invalid, 38 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-20 07:30:49,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4594 states. [2021-11-20 07:30:49,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4594 to 4586. [2021-11-20 07:30:49,479 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) [2021-11-20 07:30:49,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4586 states to 4586 states and 7036 transitions. [2021-11-20 07:30:49,533 INFO L78 Accepts]: Start accepts. Automaton has 4586 states and 7036 transitions. Word has length 55 [2021-11-20 07:30:49,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:30:49,535 INFO L470 AbstractCegarLoop]: Abstraction has 4586 states and 7036 transitions. [2021-11-20 07:30:49,536 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-20 07:30:49,536 INFO L276 IsEmpty]: Start isEmpty. Operand 4586 states and 7036 transitions. [2021-11-20 07:30:49,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-20 07:30:49,553 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:30:49,553 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] [2021-11-20 07:30:49,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-20 07:30:49,771 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:30:49,771 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:30:49,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:30:49,772 INFO L85 PathProgramCache]: Analyzing trace with hash 2041421241, now seen corresponding path program 1 times [2021-11-20 07:30:49,777 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:30:49,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1907192322] [2021-11-20 07:30:49,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:30:49,778 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:30:49,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:30:49,784 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:30:49,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-20 07:30:55,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:56,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 2502 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 07:30:56,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:30:56,712 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-20 07:30:56,712 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:30:57,141 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-20 07:30:57,141 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:30:57,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1907192322] [2021-11-20 07:30:57,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1907192322] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 07:30:57,142 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:30:57,142 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-20 07:30:57,142 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992676332] [2021-11-20 07:30:57,142 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 07:30:57,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:30:57,144 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:30:57,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:30:57,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:30:57,145 INFO L87 Difference]: Start difference. First operand 4586 states and 7036 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-20 07:30:58,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:30:58,098 INFO L93 Difference]: Finished difference Result 4599 states and 7048 transitions. [2021-11-20 07:30:58,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:30:58,099 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 65 [2021-11-20 07:30:58,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:30:58,143 INFO L225 Difference]: With dead ends: 4599 [2021-11-20 07:30:58,144 INFO L226 Difference]: Without dead ends: 4596 [2021-11-20 07:30:58,148 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:30:58,149 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, 0.8s IncrementalHoareTripleChecker+Time [2021-11-20 07:30:58,150 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5610 Valid, 5693 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-20 07:30:58,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4596 states. [2021-11-20 07:30:58,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4596 to 4596. [2021-11-20 07:30:58,365 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) [2021-11-20 07:30:58,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4596 states to 4596 states and 7045 transitions. [2021-11-20 07:30:58,417 INFO L78 Accepts]: Start accepts. Automaton has 4596 states and 7045 transitions. Word has length 65 [2021-11-20 07:30:58,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:30:58,419 INFO L470 AbstractCegarLoop]: Abstraction has 4596 states and 7045 transitions. [2021-11-20 07:30:58,419 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-20 07:30:58,420 INFO L276 IsEmpty]: Start isEmpty. Operand 4596 states and 7045 transitions. [2021-11-20 07:30:58,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-20 07:30:58,422 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:30:58,423 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] [2021-11-20 07:30:58,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-20 07:30:58,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:30:58,639 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:30:58,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:30:58,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1141615170, now seen corresponding path program 1 times [2021-11-20 07:30:58,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:30:58,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [742183876] [2021-11-20 07:30:58,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:30:58,644 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:30:58,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:30:58,647 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:30:58,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-20 07:31:04,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:04,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 2503 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 07:31:04,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:31:05,428 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-20 07:31:05,429 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:31:05,845 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-20 07:31:05,845 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:31:05,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [742183876] [2021-11-20 07:31:05,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [742183876] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 07:31:05,846 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:31:05,846 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-20 07:31:05,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481071659] [2021-11-20 07:31:05,847 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 07:31:05,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:31:05,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:31:05,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:31:05,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:31:05,849 INFO L87 Difference]: Start difference. First operand 4596 states and 7045 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-20 07:31:06,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:31:06,818 INFO L93 Difference]: Finished difference Result 7023 states and 10662 transitions. [2021-11-20 07:31:06,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:31:06,818 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 66 [2021-11-20 07:31:06,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:31:06,890 INFO L225 Difference]: With dead ends: 7023 [2021-11-20 07:31:06,890 INFO L226 Difference]: Without dead ends: 6935 [2021-11-20 07:31:06,897 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:31:06,900 INFO L933 BasicCegarLoop]: 6389 mSDtfsCounter, 2264 mSDsluCounter, 5588 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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 [2021-11-20 07:31:06,902 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] [2021-11-20 07:31:06,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6935 states. [2021-11-20 07:31:07,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6935 to 6935. [2021-11-20 07:31:07,251 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) [2021-11-20 07:31:07,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6935 states to 6935 states and 10544 transitions. [2021-11-20 07:31:07,306 INFO L78 Accepts]: Start accepts. Automaton has 6935 states and 10544 transitions. Word has length 66 [2021-11-20 07:31:07,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:31:07,307 INFO L470 AbstractCegarLoop]: Abstraction has 6935 states and 10544 transitions. [2021-11-20 07:31:07,308 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-20 07:31:07,308 INFO L276 IsEmpty]: Start isEmpty. Operand 6935 states and 10544 transitions. [2021-11-20 07:31:07,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-20 07:31:07,321 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:31:07,322 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] [2021-11-20 07:31:07,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-20 07:31:07,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:31:07,547 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:31:07,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:31:07,547 INFO L85 PathProgramCache]: Analyzing trace with hash 383961807, now seen corresponding path program 1 times [2021-11-20 07:31:07,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:31:07,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2049724564] [2021-11-20 07:31:07,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:31:07,553 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:31:07,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:31:07,554 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:31:07,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-20 07:31:13,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:13,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 2643 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 07:31:13,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:31:14,354 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-20 07:31:14,355 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:31:15,199 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-20 07:31:15,199 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:31:15,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2049724564] [2021-11-20 07:31:15,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2049724564] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 07:31:15,200 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:31:15,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-20 07:31:15,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712502831] [2021-11-20 07:31:15,200 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 07:31:15,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 07:31:15,201 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:31:15,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 07:31:15,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-20 07:31:15,202 INFO L87 Difference]: Start difference. First operand 6935 states and 10544 transitions. Second operand has 10 states, 10 states have (on average 7.8) internal successors, (78), 10 states have internal predecessors, (78), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-20 07:31:31,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:31:31,392 INFO L93 Difference]: Finished difference Result 20785 states and 31601 transitions. [2021-11-20 07:31:31,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-20 07:31:31,393 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.8) internal successors, (78), 10 states have internal predecessors, (78), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 110 [2021-11-20 07:31:31,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:31:31,528 INFO L225 Difference]: With dead ends: 20785 [2021-11-20 07:31:31,528 INFO L226 Difference]: Without dead ends: 13836 [2021-11-20 07:31:31,574 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2021-11-20 07:31:31,575 INFO L933 BasicCegarLoop]: 11262 mSDtfsCounter, 5664 mSDsluCounter, 77402 mSDsCounter, 0 mSdLazyCounter, 1489 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5664 SdHoareTripleChecker+Valid, 88664 SdHoareTripleChecker+Invalid, 1497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2021-11-20 07:31:31,576 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5664 Valid, 88664 Invalid, 1497 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 1489 Invalid, 0 Unknown, 0 Unchecked, 14.5s Time] [2021-11-20 07:31:31,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13836 states. [2021-11-20 07:31:32,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13836 to 11967. [2021-11-20 07:31:32,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11967 states, 9193 states have (on average 1.4942891330360057) internal successors, (13737), 9490 states have internal predecessors, (13737), 2258 states have call successors, (2258), 520 states have call predecessors, (2258), 515 states have return successors, (2259), 2153 states have call predecessors, (2259), 2255 states have call successors, (2259) [2021-11-20 07:31:32,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11967 states to 11967 states and 18254 transitions. [2021-11-20 07:31:32,474 INFO L78 Accepts]: Start accepts. Automaton has 11967 states and 18254 transitions. Word has length 110 [2021-11-20 07:31:32,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:31:32,477 INFO L470 AbstractCegarLoop]: Abstraction has 11967 states and 18254 transitions. [2021-11-20 07:31:32,477 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.8) internal successors, (78), 10 states have internal predecessors, (78), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-20 07:31:32,478 INFO L276 IsEmpty]: Start isEmpty. Operand 11967 states and 18254 transitions. [2021-11-20 07:31:32,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-20 07:31:32,494 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:31:32,495 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] [2021-11-20 07:31:32,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-20 07:31:32,718 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 07:31:32,719 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:31:32,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:31:32,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1082767289, now seen corresponding path program 1 times [2021-11-20 07:31:32,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 07:31:32,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1338326827] [2021-11-20 07:31:32,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:31:32,724 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 07:31:32,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 07:31:32,733 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 07:31:32,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a044f2a-5d2c-4d02-9a79-08aa2ac1b42d/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-20 07:31:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:39,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 2660 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 07:31:39,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:31:40,298 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-11-20 07:31:40,298 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:31:40,722 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2021-11-20 07:31:40,722 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 07:31:40,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1338326827] [2021-11-20 07:31:40,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1338326827] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 07:31:40,723 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:31:40,723 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-20 07:31:40,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805161865] [2021-11-20 07:31:40,723 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 07:31:40,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:31:40,723 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 07:31:40,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:31:40,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:31:40,724 INFO L87 Difference]: Start difference. First operand 11967 states and 18254 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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) [2021-11-20 07:31:41,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:31:41,154 INFO L93 Difference]: Finished difference Result 23940 states and 36524 transitions. [2021-11-20 07:31:41,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:31:41,154 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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 118 [2021-11-20 07:31:41,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:31:41,221 INFO L225 Difference]: With dead ends: 23940 [2021-11-20 07:31:41,222 INFO L226 Difference]: Without dead ends: 11999 [2021-11-20 07:31:41,288 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:31:41,290 INFO L933 BasicCegarLoop]: 5650 mSDtfsCounter, 24 mSDsluCounter, 5647 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 11297 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:31:41,290 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 11297 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:31:41,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11999 states.