./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-validator-v0.8/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-validator-v0.8/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point_ldv-val-v0.8.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d13c8fd602d503a5b89ef19dbfdd96987c0182e1babba89942a78b68f80ba8e9 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 17:56:18,275 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 17:56:18,283 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 17:56:18,327 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 17:56:18,328 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 17:56:18,330 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 17:56:18,332 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 17:56:18,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 17:56:18,337 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 17:56:18,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 17:56:18,342 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 17:56:18,343 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 17:56:18,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 17:56:18,345 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 17:56:18,346 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 17:56:18,347 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 17:56:18,350 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 17:56:18,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 17:56:18,352 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 17:56:18,353 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 17:56:18,357 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 17:56:18,358 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 17:56:18,358 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 17:56:18,359 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 17:56:18,361 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 17:56:18,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 17:56:18,364 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 17:56:18,365 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 17:56:18,365 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 17:56:18,366 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 17:56:18,366 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 17:56:18,367 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 17:56:18,368 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 17:56:18,369 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 17:56:18,369 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 17:56:18,369 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 17:56:18,370 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 17:56:18,370 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 17:56:18,370 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 17:56:18,371 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 17:56:18,371 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 17:56:18,372 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 17:56:18,397 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 17:56:18,397 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 17:56:18,397 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 17:56:18,398 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 17:56:18,398 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 17:56:18,398 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 17:56:18,399 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 17:56:18,399 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 17:56:18,399 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 17:56:18,399 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 17:56:18,400 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 17:56:18,400 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 17:56:18,400 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 17:56:18,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 17:56:18,401 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 17:56:18,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 17:56:18,401 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 17:56:18,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 17:56:18,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 17:56:18,401 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 17:56:18,401 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 17:56:18,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:56:18,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 17:56:18,402 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 17:56:18,402 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 17:56:18,402 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 17:56:18,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 17:56:18,402 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 17:56:18,403 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 17:56:18,403 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 17:56:18,403 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 17:56:18,403 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d13c8fd602d503a5b89ef19dbfdd96987c0182e1babba89942a78b68f80ba8e9 [2021-12-14 17:56:18,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 17:56:18,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 17:56:18,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 17:56:18,639 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 17:56:18,640 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 17:56:18,641 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-14 17:56:18,700 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1beff073d/d82b8f6e6d104bf99dc43c2edeeaa597/FLAG2961cbbaf [2021-12-14 17:56:19,409 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 17:56:19,410 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-14 17:56:19,457 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1beff073d/d82b8f6e6d104bf99dc43c2edeeaa597/FLAG2961cbbaf [2021-12-14 17:56:19,505 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1beff073d/d82b8f6e6d104bf99dc43c2edeeaa597 [2021-12-14 17:56:19,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 17:56:19,509 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 17:56:19,510 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 17:56:19,510 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 17:56:19,512 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 17:56:19,513 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:56:19" (1/1) ... [2021-12-14 17:56:19,514 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aa2cd87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:19, skipping insertion in model container [2021-12-14 17:56:19,514 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:56:19" (1/1) ... [2021-12-14 17:56:19,519 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 17:56:19,621 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 17:56:21,478 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point_ldv-val-v0.8.cil.out.i[389398,389411] [2021-12-14 17:56:21,569 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:56:21,611 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 17:56:21,915 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point_ldv-val-v0.8.cil.out.i[389398,389411] [2021-12-14 17:56:21,921 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:56:22,044 INFO L208 MainTranslator]: Completed translation [2021-12-14 17:56:22,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:22 WrapperNode [2021-12-14 17:56:22,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 17:56:22,047 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 17:56:22,047 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 17:56:22,047 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 17:56:22,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:22" (1/1) ... [2021-12-14 17:56:22,156 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:22" (1/1) ... [2021-12-14 17:56:22,368 INFO L137 Inliner]: procedures = 425, calls = 5273, calls flagged for inlining = 151, calls inlined = 134, statements flattened = 10143 [2021-12-14 17:56:22,369 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 17:56:22,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 17:56:22,369 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 17:56:22,370 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 17:56:22,376 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:22" (1/1) ... [2021-12-14 17:56:22,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:22" (1/1) ... [2021-12-14 17:56:22,430 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:22" (1/1) ... [2021-12-14 17:56:22,430 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:22" (1/1) ... [2021-12-14 17:56:22,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:22" (1/1) ... [2021-12-14 17:56:22,671 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:22" (1/1) ... [2021-12-14 17:56:22,718 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:22" (1/1) ... [2021-12-14 17:56:22,786 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 17:56:22,787 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 17:56:22,787 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 17:56:22,787 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 17:56:22,804 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:22" (1/1) ... [2021-12-14 17:56:22,820 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:56:22,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 17:56:22,860 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-14 17:56:22,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-14 17:56:22,945 INFO L130 BoogieDeclarations]: Found specification of procedure timer_open [2021-12-14 17:56:22,946 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_open [2021-12-14 17:56:22,946 INFO L130 BoogieDeclarations]: Found specification of procedure poll_def_tmr [2021-12-14 17:56:22,946 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_def_tmr [2021-12-14 17:56:22,946 INFO L130 BoogieDeclarations]: Found specification of procedure timer_event [2021-12-14 17:56:22,947 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_event [2021-12-14 17:56:22,947 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_channels [2021-12-14 17:56:22,947 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_channels [2021-12-14 17:56:22,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 17:56:22,947 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 17:56:22,947 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-14 17:56:22,947 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-14 17:56:22,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 17:56:22,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 17:56:22,948 INFO L130 BoogieDeclarations]: Found specification of procedure dma_reset_output [2021-12-14 17:56:22,948 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_reset_output [2021-12-14 17:56:22,948 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~TO~int [2021-12-14 17:56:22,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~TO~int [2021-12-14 17:56:22,948 INFO L130 BoogieDeclarations]: Found specification of procedure seq_input_event [2021-12-14 17:56:22,949 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_input_event [2021-12-14 17:56:22,949 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_release [2021-12-14 17:56:22,949 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_release [2021-12-14 17:56:22,949 INFO L130 BoogieDeclarations]: Found specification of procedure local_start_dma [2021-12-14 17:56:22,949 INFO L138 BoogieDeclarations]: Found implementation of procedure local_start_dma [2021-12-14 17:56:22,949 INFO L130 BoogieDeclarations]: Found specification of procedure translate_bytes [2021-12-14 17:56:22,949 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_bytes [2021-12-14 17:56:22,950 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2021-12-14 17:56:22,950 INFO L130 BoogieDeclarations]: Found specification of procedure seq_copy_to_input [2021-12-14 17:56:22,950 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_copy_to_input [2021-12-14 17:56:22,950 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-14 17:56:22,950 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-14 17:56:22,950 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_sync [2021-12-14 17:56:22,951 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_sync [2021-12-14 17:56:22,951 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~$Pointer$~TO~int [2021-12-14 17:56:22,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~$Pointer$~TO~int [2021-12-14 17:56:22,951 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_launch_output [2021-12-14 17:56:22,951 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_launch_output [2021-12-14 17:56:22,952 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-14 17:56:22,952 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-14 17:56:22,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_soundcard_mutex [2021-12-14 17:56:22,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_soundcard_mutex [2021-12-14 17:56:22,952 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-14 17:56:22,952 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-14 17:56:22,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 17:56:22,953 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_space_in_queue [2021-12-14 17:56:22,953 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_space_in_queue [2021-12-14 17:56:22,953 INFO L130 BoogieDeclarations]: Found specification of procedure timer_get_time [2021-12-14 17:56:22,953 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_get_time [2021-12-14 17:56:22,954 INFO L130 BoogieDeclarations]: Found specification of procedure enable_dma [2021-12-14 17:56:22,954 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_dma [2021-12-14 17:56:22,954 INFO L130 BoogieDeclarations]: Found specification of procedure timer_ioctl [2021-12-14 17:56:22,954 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_ioctl [2021-12-14 17:56:22,954 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-14 17:56:22,954 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-14 17:56:22,955 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-12-14 17:56:22,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-12-14 17:56:22,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 17:56:22,956 INFO L130 BoogieDeclarations]: Found specification of procedure sound_mixer_ioctl [2021-12-14 17:56:22,956 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_mixer_ioctl [2021-12-14 17:56:22,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 17:56:22,957 INFO L130 BoogieDeclarations]: Found specification of procedure midi_poll [2021-12-14 17:56:22,957 INFO L138 BoogieDeclarations]: Found implementation of procedure midi_poll [2021-12-14 17:56:22,957 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_arm [2021-12-14 17:56:22,957 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_arm [2021-12-14 17:56:22,958 INFO L130 BoogieDeclarations]: Found specification of procedure dma_subdivide [2021-12-14 17:56:22,958 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_subdivide [2021-12-14 17:56:22,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 17:56:22,958 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_activate_recording [2021-12-14 17:56:22,958 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_activate_recording [2021-12-14 17:56:22,958 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-14 17:56:22,958 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-14 17:56:22,959 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user [2021-12-14 17:56:22,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user [2021-12-14 17:56:22,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 17:56:22,959 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 17:56:22,960 INFO L130 BoogieDeclarations]: Found specification of procedure seq_sync [2021-12-14 17:56:22,960 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_sync [2021-12-14 17:56:22,960 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_bits [2021-12-14 17:56:22,960 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_bits [2021-12-14 17:56:22,960 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_sound_special [2021-12-14 17:56:22,960 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_sound_special [2021-12-14 17:56:22,960 INFO L130 BoogieDeclarations]: Found specification of procedure close_dmap [2021-12-14 17:56:22,961 INFO L138 BoogieDeclarations]: Found implementation of procedure close_dmap [2021-12-14 17:56:22,961 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_close [2021-12-14 17:56:22,961 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_close [2021-12-14 17:56:22,961 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2021-12-14 17:56:22,961 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-14 17:56:22,961 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-14 17:56:22,962 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-14 17:56:22,962 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-14 17:56:22,962 INFO L130 BoogieDeclarations]: Found specification of procedure timer_arm [2021-12-14 17:56:22,962 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_arm [2021-12-14 17:56:22,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-14 17:56:22,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-14 17:56:22,963 INFO L130 BoogieDeclarations]: Found specification of procedure register_sound_special [2021-12-14 17:56:22,963 INFO L138 BoogieDeclarations]: Found implementation of procedure register_sound_special [2021-12-14 17:56:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure sound_mmap [2021-12-14 17:56:22,964 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_mmap [2021-12-14 17:56:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2021-12-14 17:56:22,964 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2021-12-14 17:56:22,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 17:56:22,965 INFO L130 BoogieDeclarations]: Found specification of procedure claim_dma_lock [2021-12-14 17:56:22,965 INFO L138 BoogieDeclarations]: Found implementation of procedure claim_dma_lock [2021-12-14 17:56:22,965 INFO L130 BoogieDeclarations]: Found specification of procedure timer_close [2021-12-14 17:56:22,965 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_close [2021-12-14 17:56:22,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 17:56:22,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 17:56:22,966 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-14 17:56:22,966 INFO L130 BoogieDeclarations]: Found specification of procedure dma_reset_input [2021-12-14 17:56:22,966 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_reset_input [2021-12-14 17:56:22,966 INFO L130 BoogieDeclarations]: Found specification of procedure interruptible_sleep_on_timeout [2021-12-14 17:56:22,966 INFO L138 BoogieDeclarations]: Found implementation of procedure interruptible_sleep_on_timeout [2021-12-14 17:56:22,967 INFO L130 BoogieDeclarations]: Found specification of procedure set_format [2021-12-14 17:56:22,967 INFO L138 BoogieDeclarations]: Found implementation of procedure set_format [2021-12-14 17:56:22,967 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_reset [2021-12-14 17:56:22,967 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_reset [2021-12-14 17:56:22,968 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2021-12-14 17:56:22,968 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2021-12-14 17:56:22,969 INFO L130 BoogieDeclarations]: Found specification of procedure seq_reset [2021-12-14 17:56:22,971 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_reset [2021-12-14 17:56:22,971 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2021-12-14 17:56:22,971 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2021-12-14 17:56:22,979 INFO L130 BoogieDeclarations]: Found specification of procedure seq_drain_midi_queues [2021-12-14 17:56:22,981 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_drain_midi_queues [2021-12-14 17:56:22,982 INFO L130 BoogieDeclarations]: Found specification of procedure dma_ioctl [2021-12-14 17:56:22,982 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_ioctl [2021-12-14 17:56:22,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_soundcard_mutex [2021-12-14 17:56:22,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_soundcard_mutex [2021-12-14 17:56:22,992 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2021-12-14 17:56:22,992 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2021-12-14 17:56:22,992 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~X~int~TO~int [2021-12-14 17:56:22,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~X~int~TO~int [2021-12-14 17:56:22,992 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~VOID [2021-12-14 17:56:22,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~VOID [2021-12-14 17:56:22,993 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-14 17:56:22,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-14 17:56:22,993 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2021-12-14 17:56:22,993 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2021-12-14 17:56:22,993 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-14 17:56:22,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-14 17:56:22,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 17:56:22,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 17:56:22,993 INFO L130 BoogieDeclarations]: Found specification of procedure seq_startplay [2021-12-14 17:56:22,994 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_startplay [2021-12-14 17:56:22,994 INFO L130 BoogieDeclarations]: Found specification of procedure clear_dma_ff [2021-12-14 17:56:22,994 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_dma_ff [2021-12-14 17:56:22,994 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~TO~VOID [2021-12-14 17:56:22,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~TO~VOID [2021-12-14 17:56:22,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-14 17:56:22,994 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-14 17:56:22,994 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-12-14 17:56:22,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-12-14 17:56:22,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 17:56:22,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 17:56:22,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 17:56:22,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 17:56:22,995 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-14 17:56:22,995 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-14 17:56:22,995 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-14 17:56:22,995 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2021-12-14 17:56:22,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2021-12-14 17:56:22,996 INFO L130 BoogieDeclarations]: Found specification of procedure translate_mode [2021-12-14 17:56:22,996 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_mode [2021-12-14 17:56:22,996 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get___0 [2021-12-14 17:56:22,996 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get___0 [2021-12-14 17:56:22,996 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_move_wrpointer [2021-12-14 17:56:22,996 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_move_wrpointer [2021-12-14 17:56:22,996 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-14 17:56:22,996 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-14 17:56:22,997 INFO L130 BoogieDeclarations]: Found specification of procedure tmr_reset [2021-12-14 17:56:22,997 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr_reset [2021-12-14 17:56:22,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 17:56:22,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 17:56:22,997 INFO L130 BoogieDeclarations]: Found specification of procedure sound_stop_timer [2021-12-14 17:56:22,997 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_stop_timer [2021-12-14 17:56:22,997 INFO L130 BoogieDeclarations]: Found specification of procedure tmr2ticks___0 [2021-12-14 17:56:22,997 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr2ticks___0 [2021-12-14 17:56:22,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 17:56:22,998 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 17:56:22,998 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-14 17:56:22,998 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-14 17:56:22,998 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-14 17:56:22,998 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-14 17:56:22,998 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-14 17:56:22,998 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-14 17:56:22,998 INFO L130 BoogieDeclarations]: Found specification of procedure tmr_reset___0 [2021-12-14 17:56:22,998 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr_reset___0 [2021-12-14 17:56:22,999 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~X~int~TO~VOID [2021-12-14 17:56:22,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~X~int~TO~VOID [2021-12-14 17:56:22,999 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2021-12-14 17:56:22,999 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2021-12-14 17:56:22,999 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2021-12-14 17:56:23,000 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2021-12-14 17:56:23,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 17:56:23,000 INFO L130 BoogieDeclarations]: Found specification of procedure sound_free_dmap [2021-12-14 17:56:23,000 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_free_dmap [2021-12-14 17:56:23,001 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2021-12-14 17:56:23,001 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2021-12-14 17:56:23,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 17:56:23,001 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-14 17:56:23,001 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-14 17:56:23,001 INFO L130 BoogieDeclarations]: Found specification of procedure reprogram_timer [2021-12-14 17:56:23,001 INFO L138 BoogieDeclarations]: Found implementation of procedure reprogram_timer [2021-12-14 17:56:23,001 INFO L130 BoogieDeclarations]: Found specification of procedure midi_outc___0 [2021-12-14 17:56:23,001 INFO L138 BoogieDeclarations]: Found implementation of procedure midi_outc___0 [2021-12-14 17:56:23,002 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-14 17:56:23,002 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-14 17:56:23,002 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~int [2021-12-14 17:56:23,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~int [2021-12-14 17:56:23,002 INFO L130 BoogieDeclarations]: Found specification of procedure dmabuf_timeout [2021-12-14 17:56:23,002 INFO L138 BoogieDeclarations]: Found implementation of procedure dmabuf_timeout [2021-12-14 17:56:23,002 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info___0 [2021-12-14 17:56:23,002 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info___0 [2021-12-14 17:56:23,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 17:56:23,003 INFO L130 BoogieDeclarations]: Found specification of procedure module_is_live [2021-12-14 17:56:23,003 INFO L138 BoogieDeclarations]: Found implementation of procedure module_is_live [2021-12-14 17:56:23,003 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-14 17:56:23,003 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-14 17:56:23,003 INFO L130 BoogieDeclarations]: Found specification of procedure sound_start_dma [2021-12-14 17:56:23,003 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_start_dma [2021-12-14 17:56:23,003 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_event [2021-12-14 17:56:23,003 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_event [2021-12-14 17:56:23,003 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-14 17:56:23,004 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-14 17:56:23,004 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-14 17:56:23,004 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-14 17:56:23,004 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_open [2021-12-14 17:56:23,004 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_open [2021-12-14 17:56:23,004 INFO L130 BoogieDeclarations]: Found specification of procedure do_midi_msg [2021-12-14 17:56:23,004 INFO L138 BoogieDeclarations]: Found implementation of procedure do_midi_msg [2021-12-14 17:56:23,004 INFO L130 BoogieDeclarations]: Found specification of procedure interruptible_sleep_on [2021-12-14 17:56:23,005 INFO L138 BoogieDeclarations]: Found implementation of procedure interruptible_sleep_on [2021-12-14 17:56:23,005 INFO L130 BoogieDeclarations]: Found specification of procedure waitqueue_active [2021-12-14 17:56:23,005 INFO L138 BoogieDeclarations]: Found implementation of procedure waitqueue_active [2021-12-14 17:56:23,005 INFO L130 BoogieDeclarations]: Found specification of procedure sound_alloc_dmap [2021-12-14 17:56:23,005 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_alloc_dmap [2021-12-14 17:56:23,005 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_fragment [2021-12-14 17:56:23,005 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_fragment [2021-12-14 17:56:23,005 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_get_time [2021-12-14 17:56:23,005 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_get_time [2021-12-14 17:56:23,006 INFO L130 BoogieDeclarations]: Found specification of procedure sequencer_timer [2021-12-14 17:56:23,006 INFO L138 BoogieDeclarations]: Found implementation of procedure sequencer_timer [2021-12-14 17:56:23,006 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_speed [2021-12-14 17:56:23,006 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_speed [2021-12-14 17:56:23,006 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-12-14 17:56:23,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-12-14 17:56:23,009 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_residue [2021-12-14 17:56:23,009 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_residue [2021-12-14 17:56:23,009 INFO L130 BoogieDeclarations]: Found specification of procedure sync_output [2021-12-14 17:56:23,010 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_output [2021-12-14 17:56:23,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 17:56:23,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 17:56:23,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 17:56:23,010 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2021-12-14 17:56:23,010 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2021-12-14 17:56:23,011 INFO L130 BoogieDeclarations]: Found specification of procedure open_dmap [2021-12-14 17:56:23,011 INFO L138 BoogieDeclarations]: Found implementation of procedure open_dmap [2021-12-14 17:56:23,011 INFO L130 BoogieDeclarations]: Found specification of procedure release_dma_lock [2021-12-14 17:56:23,011 INFO L138 BoogieDeclarations]: Found implementation of procedure release_dma_lock [2021-12-14 17:56:23,011 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2021-12-14 17:56:23,012 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2021-12-14 17:56:23,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-14 17:56:23,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-14 17:56:23,012 INFO L130 BoogieDeclarations]: Found specification of procedure sound_poll [2021-12-14 17:56:23,012 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_poll [2021-12-14 17:56:23,012 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-14 17:56:23,012 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-14 17:56:23,012 INFO L130 BoogieDeclarations]: Found specification of procedure do_sequencer_timer [2021-12-14 17:56:23,012 INFO L138 BoogieDeclarations]: Found implementation of procedure do_sequencer_timer [2021-12-14 17:56:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure disable_dma [2021-12-14 17:56:23,013 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_dma [2021-12-14 17:56:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure tmr2ticks [2021-12-14 17:56:23,013 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr2ticks [2021-12-14 17:56:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-12-14 17:56:23,013 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-12-14 17:56:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-14 17:56:23,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-14 17:56:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure request_sound_timer [2021-12-14 17:56:23,013 INFO L138 BoogieDeclarations]: Found implementation of procedure request_sound_timer [2021-12-14 17:56:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_get_buffer_pointer [2021-12-14 17:56:23,014 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_get_buffer_pointer [2021-12-14 17:56:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure sound_write [2021-12-14 17:56:23,014 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_write [2021-12-14 17:56:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure play_event [2021-12-14 17:56:23,014 INFO L138 BoogieDeclarations]: Found implementation of procedure play_event [2021-12-14 17:56:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure reorganize_buffers [2021-12-14 17:56:23,014 INFO L138 BoogieDeclarations]: Found implementation of procedure reorganize_buffers [2021-12-14 17:56:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-14 17:56:23,015 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-14 17:56:23,015 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-14 17:56:23,015 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-14 17:56:23,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 17:56:23,015 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_ioctl [2021-12-14 17:56:23,015 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_ioctl [2021-12-14 17:56:23,903 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 17:56:23,905 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 17:56:24,468 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 17:56:24,546 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3834: assume 0 != ~tmp___1~2;#res := ~ret~3; [2021-12-14 17:56:24,547 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3834: assume !(0 != ~tmp___1~2);#res := ~ret~3; [2021-12-14 17:56:24,547 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3801: havoc #t~switch120; [2021-12-14 17:56:24,559 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3830: assume #t~switch120; [2021-12-14 17:56:24,559 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3830: assume !#t~switch120;#t~switch120 := true; [2021-12-14 17:56:24,559 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3822: assume 0 != ~tmp___0~8;#res := ~ret~3; [2021-12-14 17:56:24,559 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3822: assume !(0 != ~tmp___0~8);#res := ~ret~3; [2021-12-14 17:56:24,559 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3818: assume #t~switch120; [2021-12-14 17:56:24,559 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3818: assume !#t~switch120;#t~switch120 := #t~switch120 || 16 == ~size; [2021-12-14 17:56:24,559 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume #t~switch120;#res := ~ret~3; [2021-12-14 17:56:24,559 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3814: assume #t~switch120;#res := ~ret~3; [2021-12-14 17:56:24,559 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3814: assume !#t~switch120;#t~switch120 := #t~switch120 || 10 == ~size; [2021-12-14 17:56:24,560 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !#t~switch120;#t~switch120 := #t~switch120 || 2 == ~size; [2021-12-14 17:56:24,560 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3810: assume #t~switch120;#res := ~ret~3; [2021-12-14 17:56:24,560 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3810: assume !#t~switch120;#t~switch120 := #t~switch120 || 8 == ~size; [2021-12-14 17:56:24,560 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3843-1: ~tmp___2~1 := #t~ret123;havoc #t~ret123;#res := (if ~tmp___2~1 % 18446744073709551616 % 4294967296 <= 2147483647 then ~tmp___2~1 % 18446744073709551616 % 4294967296 else ~tmp___2~1 % 18446744073709551616 % 4294967296 - 4294967296); [2021-12-14 17:56:24,560 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3843: SUMMARY for call #t~ret123 := copy_user_generic(~dst.base, ~dst.offset, ~src.base, ~src.offset, ~size); srcloc: null [2021-12-14 17:56:24,560 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3806: assume #t~switch120;#res := ~ret~3; [2021-12-14 17:56:24,560 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3806: assume !#t~switch120;#t~switch120 := #t~switch120 || 4 == ~size; [2021-12-14 17:56:24,560 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3833-1: assume -9223372036854775808 <= #t~ret122 && #t~ret122 <= 9223372036854775807;~tmp___1~2 := #t~ret122;havoc #t~ret122; [2021-12-14 17:56:24,560 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3833: SUMMARY for call #t~ret122 := ldv__builtin_expect((if 0 != ~ret~3 then 1 else 0), 0); srcloc: null [2021-12-14 17:56:24,560 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3821-1: assume -9223372036854775808 <= #t~ret121 && #t~ret121 <= 9223372036854775807;~tmp___0~8 := #t~ret121;havoc #t~ret121; [2021-12-14 17:56:24,560 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3821: SUMMARY for call #t~ret121 := ldv__builtin_expect((if 0 != ~ret~3 then 1 else 0), 0); srcloc: null [2021-12-14 17:56:24,560 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3842: assume #t~switch120; [2021-12-14 17:56:24,560 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3842: assume !#t~switch120; [2021-12-14 17:56:30,226 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3736: havoc __copy_from_user_#t~switch115#1; [2021-12-14 17:56:30,226 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3742: assume __copy_from_user_#t~switch115#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-12-14 17:56:30,226 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3742: assume !__copy_from_user_#t~switch115#1;__copy_from_user_#t~switch115#1 := __copy_from_user_#t~switch115#1 || 4 == __copy_from_user_~size#1; [2021-12-14 17:56:30,227 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3747: assume __copy_from_user_#t~switch115#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-12-14 17:56:30,227 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3747: assume !__copy_from_user_#t~switch115#1;__copy_from_user_#t~switch115#1 := __copy_from_user_#t~switch115#1 || 8 == __copy_from_user_~size#1; [2021-12-14 17:56:30,227 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3752: assume __copy_from_user_#t~switch115#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-12-14 17:56:30,227 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3752: assume !__copy_from_user_#t~switch115#1;__copy_from_user_#t~switch115#1 := __copy_from_user_#t~switch115#1 || 10 == __copy_from_user_~size#1; [2021-12-14 17:56:30,227 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3757: assume __copy_from_user_#t~switch115#1; [2021-12-14 17:56:30,227 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3757: assume !__copy_from_user_#t~switch115#1;__copy_from_user_#t~switch115#1 := __copy_from_user_#t~switch115#1 || 16 == __copy_from_user_~size#1; [2021-12-14 17:56:30,227 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3761-1: assume -9223372036854775808 <= __copy_from_user_#t~ret116#1 && __copy_from_user_#t~ret116#1 <= 9223372036854775807;__copy_from_user_~tmp___0~7#1 := __copy_from_user_#t~ret116#1;havoc __copy_from_user_#t~ret116#1; [2021-12-14 17:56:30,228 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3761: SUMMARY for call __copy_from_user_#t~ret116#1 := ldv__builtin_expect((if 0 != __copy_from_user_~ret~2#1 then 1 else 0), 0); srcloc: null [2021-12-14 17:56:30,228 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3762: assume 0 != __copy_from_user_~tmp___0~7#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-12-14 17:56:30,228 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3762: assume !(0 != __copy_from_user_~tmp___0~7#1);__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-12-14 17:56:30,228 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3770: assume __copy_from_user_#t~switch115#1; [2021-12-14 17:56:30,228 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3770: assume !__copy_from_user_#t~switch115#1;__copy_from_user_#t~switch115#1 := true; [2021-12-14 17:56:30,228 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3774: SUMMARY for call __copy_from_user_#t~ret117#1 := ldv__builtin_expect((if 0 != __copy_from_user_~ret~2#1 then 1 else 0), 0); srcloc: null [2021-12-14 17:56:30,228 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3774-1: assume -9223372036854775808 <= __copy_from_user_#t~ret117#1 && __copy_from_user_#t~ret117#1 <= 9223372036854775807;__copy_from_user_~tmp___1~1#1 := __copy_from_user_#t~ret117#1;havoc __copy_from_user_#t~ret117#1; [2021-12-14 17:56:30,229 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3775: assume 0 != __copy_from_user_~tmp___1~1#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-12-14 17:56:30,229 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3775: assume !(0 != __copy_from_user_~tmp___1~1#1);__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-12-14 17:56:30,229 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3783: assume __copy_from_user_#t~switch115#1; [2021-12-14 17:56:30,229 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3783: assume !__copy_from_user_#t~switch115#1; [2021-12-14 17:56:30,229 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3784: SUMMARY for call __copy_from_user_#t~ret118#1 := copy_user_generic(__copy_from_user_~dst#1.base, __copy_from_user_~dst#1.offset, __copy_from_user_~src#1.base, __copy_from_user_~src#1.offset, __copy_from_user_~size#1); srcloc: null [2021-12-14 17:56:30,229 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3784-1: __copy_from_user_~tmp___2~0#1 := __copy_from_user_#t~ret118#1;havoc __copy_from_user_#t~ret118#1;__copy_from_user_#res#1 := (if __copy_from_user_~tmp___2~0#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_~tmp___2~0#1 % 18446744073709551616 % 4294967296 else __copy_from_user_~tmp___2~0#1 % 18446744073709551616 % 4294967296 - 4294967296); [2021-12-14 17:56:30,230 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##704: assume !__copy_from_user_#t~switch115#1;__copy_from_user_#t~switch115#1 := __copy_from_user_#t~switch115#1 || 2 == __copy_from_user_~size#1; [2021-12-14 17:56:30,230 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##703: assume __copy_from_user_#t~switch115#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-12-14 17:56:30,353 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 17:56:30,377 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 17:56:30,377 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-14 17:56:30,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:56:30 BoogieIcfgContainer [2021-12-14 17:56:30,382 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 17:56:30,383 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 17:56:30,384 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 17:56:30,386 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 17:56:30,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:56:19" (1/3) ... [2021-12-14 17:56:30,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@707c6361 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:56:30, skipping insertion in model container [2021-12-14 17:56:30,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:22" (2/3) ... [2021-12-14 17:56:30,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@707c6361 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:56:30, skipping insertion in model container [2021-12-14 17:56:30,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:56:30" (3/3) ... [2021-12-14 17:56:30,388 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-14 17:56:30,391 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 17:56:30,391 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 17:56:30,439 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 17:56:30,445 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 17:56:30,445 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 17:56:30,508 INFO L276 IsEmpty]: Start isEmpty. Operand has 3838 states, 2919 states have (on average 1.5022267899965742) internal successors, (4385), 3023 states have internal predecessors, (4385), 781 states have call successors, (781), 137 states have call predecessors, (781), 136 states have return successors, (773), 745 states have call predecessors, (773), 773 states have call successors, (773) [2021-12-14 17:56:30,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-12-14 17:56:30,523 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:56:30,524 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:56:30,525 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:56:30,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:56:30,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1391587723, now seen corresponding path program 1 times [2021-12-14 17:56:30,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:56:30,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115861136] [2021-12-14 17:56:30,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:56:30,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:56:30,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:31,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:56:31,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:31,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:31,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:31,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:56:31,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:31,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 17:56:31,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:31,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:31,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:31,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:56:31,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:31,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 17:56:31,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:31,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:31,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:31,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:56:31,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:31,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 17:56:31,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:31,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:31,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:31,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:56:31,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:31,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 17:56:31,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:31,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:31,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:31,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:56:31,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:31,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 17:56:31,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:31,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:31,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:31,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:56:31,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:31,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-14 17:56:31,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:31,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:31,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:31,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-14 17:56:31,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:31,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:31,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:31,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-14 17:56:31,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:31,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:31,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:31,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-14 17:56:31,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:31,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:31,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-14 17:56:31,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:31,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:31,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:31,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-14 17:56:31,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:31,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:31,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:31,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-14 17:56:31,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:31,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:31,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:31,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-14 17:56:31,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:31,399 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2021-12-14 17:56:31,400 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:56:31,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115861136] [2021-12-14 17:56:31,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115861136] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:56:31,401 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:56:31,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 17:56:31,403 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628932155] [2021-12-14 17:56:31,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:56:31,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 17:56:31,409 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:56:31,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 17:56:31,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 17:56:31,440 INFO L87 Difference]: Start difference. First operand has 3838 states, 2919 states have (on average 1.5022267899965742) internal successors, (4385), 3023 states have internal predecessors, (4385), 781 states have call successors, (781), 137 states have call predecessors, (781), 136 states have return successors, (773), 745 states have call predecessors, (773), 773 states have call successors, (773) Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (19), 5 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-14 17:56:39,363 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:56:41,383 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:56:45,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:56:45,474 INFO L93 Difference]: Finished difference Result 8367 states and 13217 transitions. [2021-12-14 17:56:45,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-14 17:56:45,486 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (19), 5 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 192 [2021-12-14 17:56:45,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:56:45,532 INFO L225 Difference]: With dead ends: 8367 [2021-12-14 17:56:45,532 INFO L226 Difference]: Without dead ends: 4519 [2021-12-14 17:56:45,551 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-14 17:56:45,554 INFO L933 BasicCegarLoop]: 5467 mSDtfsCounter, 3639 mSDsluCounter, 7447 mSDsCounter, 0 mSdLazyCounter, 4583 mSolverCounterSat, 2307 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3690 SdHoareTripleChecker+Valid, 12914 SdHoareTripleChecker+Invalid, 6890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2307 IncrementalHoareTripleChecker+Valid, 4583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2021-12-14 17:56:45,555 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3690 Valid, 12914 Invalid, 6890 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2307 Valid, 4583 Invalid, 0 Unknown, 0 Unchecked, 13.5s Time] [2021-12-14 17:56:45,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4519 states. [2021-12-14 17:56:45,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4519 to 3823. [2021-12-14 17:56:45,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3823 states, 2914 states have (on average 1.4989704873026768) internal successors, (4368), 3008 states have internal predecessors, (4368), 773 states have call successors, (773), 136 states have call predecessors, (773), 135 states have return successors, (769), 741 states have call predecessors, (769), 769 states have call successors, (769) [2021-12-14 17:56:45,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3823 states to 3823 states and 5910 transitions. [2021-12-14 17:56:45,785 INFO L78 Accepts]: Start accepts. Automaton has 3823 states and 5910 transitions. Word has length 192 [2021-12-14 17:56:45,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:56:45,786 INFO L470 AbstractCegarLoop]: Abstraction has 3823 states and 5910 transitions. [2021-12-14 17:56:45,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (19), 5 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-14 17:56:45,786 INFO L276 IsEmpty]: Start isEmpty. Operand 3823 states and 5910 transitions. [2021-12-14 17:56:45,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-12-14 17:56:45,791 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:56:45,792 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:56:45,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 17:56:45,792 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:56:45,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:56:45,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1053851753, now seen corresponding path program 1 times [2021-12-14 17:56:45,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:56:45,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759129583] [2021-12-14 17:56:45,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:56:45,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:56:45,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:46,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:56:46,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:46,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:46,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:46,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:56:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:46,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 17:56:46,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:46,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:46,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:46,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:56:46,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:46,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 17:56:46,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:46,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:46,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:46,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:56:46,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:46,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 17:56:46,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:46,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:46,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:46,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:56:46,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:46,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 17:56:46,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:46,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:46,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:46,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:56:46,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:46,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 17:56:46,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:46,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:46,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:46,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:56:46,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:46,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-14 17:56:46,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:46,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:46,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:46,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-14 17:56:46,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:46,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:46,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:46,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-14 17:56:46,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:46,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:46,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:46,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-14 17:56:46,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:46,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:46,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:46,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-14 17:56:46,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:46,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:46,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:46,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-14 17:56:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:46,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:46,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-14 17:56:46,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:46,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:46,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:46,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-14 17:56:46,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:46,302 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2021-12-14 17:56:46,303 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:56:46,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759129583] [2021-12-14 17:56:46,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759129583] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:56:46,305 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:56:46,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 17:56:46,307 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098694020] [2021-12-14 17:56:46,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:56:46,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 17:56:46,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:56:46,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 17:56:46,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-14 17:56:46,310 INFO L87 Difference]: Start difference. First operand 3823 states and 5910 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-14 17:56:56,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:56:56,732 INFO L93 Difference]: Finished difference Result 9651 states and 15121 transitions. [2021-12-14 17:56:56,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 17:56:56,732 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 192 [2021-12-14 17:56:56,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:56:56,765 INFO L225 Difference]: With dead ends: 9651 [2021-12-14 17:56:56,765 INFO L226 Difference]: Without dead ends: 5857 [2021-12-14 17:56:56,780 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-14 17:56:56,781 INFO L933 BasicCegarLoop]: 5651 mSDtfsCounter, 9666 mSDsluCounter, 7669 mSDsCounter, 0 mSdLazyCounter, 3694 mSolverCounterSat, 4662 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9834 SdHoareTripleChecker+Valid, 13320 SdHoareTripleChecker+Invalid, 8356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4662 IncrementalHoareTripleChecker+Valid, 3694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2021-12-14 17:56:56,782 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9834 Valid, 13320 Invalid, 8356 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4662 Valid, 3694 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2021-12-14 17:56:56,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5857 states. [2021-12-14 17:56:56,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5857 to 4938. [2021-12-14 17:56:56,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4938 states, 3763 states have (on average 1.495083709806006) internal successors, (5626), 3894 states have internal predecessors, (5626), 979 states have call successors, (979), 196 states have call predecessors, (979), 195 states have return successors, (975), 931 states have call predecessors, (975), 975 states have call successors, (975) [2021-12-14 17:56:56,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4938 states to 4938 states and 7580 transitions. [2021-12-14 17:56:56,950 INFO L78 Accepts]: Start accepts. Automaton has 4938 states and 7580 transitions. Word has length 192 [2021-12-14 17:56:56,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:56:56,952 INFO L470 AbstractCegarLoop]: Abstraction has 4938 states and 7580 transitions. [2021-12-14 17:56:56,953 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-14 17:56:56,953 INFO L276 IsEmpty]: Start isEmpty. Operand 4938 states and 7580 transitions. [2021-12-14 17:56:56,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-12-14 17:56:56,955 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:56:56,955 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:56:56,955 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 17:56:56,956 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:56:56,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:56:56,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1833513696, now seen corresponding path program 1 times [2021-12-14 17:56:56,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:56:56,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460051800] [2021-12-14 17:56:56,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:56:56,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:56:57,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:57,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:56:57,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:57,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:57,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:57,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:56:57,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:57,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 17:56:57,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:57,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:57,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:57,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:56:57,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:57,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 17:56:57,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:57,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:57,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:57,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:56:57,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:57,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 17:56:57,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:57,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:57,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:57,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:56:57,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:57,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 17:56:57,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:57,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:57,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:57,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:56:57,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:57,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 17:56:57,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:57,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:57,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:57,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:56:57,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:57,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-14 17:56:57,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:57,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:57,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:57,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-14 17:56:57,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:57,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:57,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:57,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-14 17:56:57,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:57,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:57,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:57,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-14 17:56:57,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:57,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:57,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:57,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-14 17:56:57,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:57,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:57,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:57,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-14 17:56:57,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:57,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:57,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:57,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-14 17:56:57,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:57,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:57,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:57,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-14 17:56:57,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:57,534 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2021-12-14 17:56:57,535 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:56:57,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460051800] [2021-12-14 17:56:57,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460051800] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:56:57,535 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:56:57,535 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 17:56:57,535 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206252666] [2021-12-14 17:56:57,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:56:57,536 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 17:56:57,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:56:57,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 17:56:57,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-14 17:56:57,537 INFO L87 Difference]: Start difference. First operand 4938 states and 7580 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-12-14 17:57:05,466 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:57:07,490 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:57:10,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:57:10,523 INFO L93 Difference]: Finished difference Result 10758 states and 16782 transitions. [2021-12-14 17:57:10,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 17:57:10,523 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 202 [2021-12-14 17:57:10,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:57:10,551 INFO L225 Difference]: With dead ends: 10758 [2021-12-14 17:57:10,551 INFO L226 Difference]: Without dead ends: 5849 [2021-12-14 17:57:10,567 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-14 17:57:10,572 INFO L933 BasicCegarLoop]: 5415 mSDtfsCounter, 9797 mSDsluCounter, 5015 mSDsCounter, 0 mSdLazyCounter, 3323 mSolverCounterSat, 3167 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10292 SdHoareTripleChecker+Valid, 10430 SdHoareTripleChecker+Invalid, 6492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3167 IncrementalHoareTripleChecker+Valid, 3323 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2021-12-14 17:57:10,573 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10292 Valid, 10430 Invalid, 6492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3167 Valid, 3323 Invalid, 2 Unknown, 0 Unchecked, 12.6s Time] [2021-12-14 17:57:10,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5849 states. [2021-12-14 17:57:10,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5849 to 4938. [2021-12-14 17:57:10,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4938 states, 3763 states have (on average 1.4945522189742226) internal successors, (5624), 3894 states have internal predecessors, (5624), 979 states have call successors, (979), 196 states have call predecessors, (979), 195 states have return successors, (975), 931 states have call predecessors, (975), 975 states have call successors, (975) [2021-12-14 17:57:10,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4938 states to 4938 states and 7578 transitions. [2021-12-14 17:57:10,741 INFO L78 Accepts]: Start accepts. Automaton has 4938 states and 7578 transitions. Word has length 202 [2021-12-14 17:57:10,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:57:10,741 INFO L470 AbstractCegarLoop]: Abstraction has 4938 states and 7578 transitions. [2021-12-14 17:57:10,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-12-14 17:57:10,742 INFO L276 IsEmpty]: Start isEmpty. Operand 4938 states and 7578 transitions. [2021-12-14 17:57:10,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-12-14 17:57:10,745 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:57:10,745 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:57:10,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 17:57:10,746 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:57:10,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:57:10,746 INFO L85 PathProgramCache]: Analyzing trace with hash 245165794, now seen corresponding path program 1 times [2021-12-14 17:57:10,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:57:10,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234416849] [2021-12-14 17:57:10,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:57:10,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:57:10,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:10,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:57:10,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:10,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:10,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:10,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:10,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:10,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 17:57:10,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:10,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:11,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:11,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:11,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:11,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 17:57:11,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:11,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:11,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:11,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:11,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 17:57:11,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:11,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:11,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:11,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:11,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:11,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 17:57:11,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:11,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:11,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:11,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:11,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:11,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 17:57:11,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:11,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:11,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:11,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:11,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:11,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-14 17:57:11,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:11,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:11,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:11,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-14 17:57:11,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:11,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:11,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:11,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-14 17:57:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:11,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:11,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:11,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-14 17:57:11,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:11,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:11,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:11,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-14 17:57:11,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:11,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:11,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:11,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-14 17:57:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:11,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:11,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:11,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-14 17:57:11,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:11,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:11,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:11,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-14 17:57:11,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:11,184 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2021-12-14 17:57:11,185 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:57:11,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234416849] [2021-12-14 17:57:11,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234416849] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:57:11,185 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:57:11,185 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 17:57:11,185 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029419465] [2021-12-14 17:57:11,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:57:11,186 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 17:57:11,186 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:57:11,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 17:57:11,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-14 17:57:11,187 INFO L87 Difference]: Start difference. First operand 4938 states and 7578 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17)