./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 c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-validator-v0.8/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-tmp.no-commuhash-c3fed41 [2021-12-16 04:10:28,662 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 04:10:28,663 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 04:10:28,691 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 04:10:28,692 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 04:10:28,692 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 04:10:28,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 04:10:28,694 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 04:10:28,696 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 04:10:28,696 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 04:10:28,697 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 04:10:28,723 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 04:10:28,724 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 04:10:28,725 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 04:10:28,726 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 04:10:28,727 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 04:10:28,727 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 04:10:28,728 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 04:10:28,729 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 04:10:28,730 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 04:10:28,731 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 04:10:28,734 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 04:10:28,735 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 04:10:28,736 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 04:10:28,738 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 04:10:28,738 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 04:10:28,738 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 04:10:28,739 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 04:10:28,739 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 04:10:28,740 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 04:10:28,740 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 04:10:28,741 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 04:10:28,741 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 04:10:28,742 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 04:10:28,743 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 04:10:28,743 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 04:10:28,744 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 04:10:28,744 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 04:10:28,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 04:10:28,745 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 04:10:28,745 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 04:10:28,754 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 04:10:28,777 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 04:10:28,781 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 04:10:28,781 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 04:10:28,781 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 04:10:28,782 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 04:10:28,782 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 04:10:28,782 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 04:10:28,783 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 04:10:28,783 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 04:10:28,783 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 04:10:28,784 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 04:10:28,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 04:10:28,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 04:10:28,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 04:10:28,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 04:10:28,785 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 04:10:28,785 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 04:10:28,785 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 04:10:28,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 04:10:28,786 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 04:10:28,786 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 04:10:28,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:10:28,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 04:10:28,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 04:10:28,786 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 04:10:28,787 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 04:10:28,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 04:10:28,788 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 04:10:28,788 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 04:10:28,788 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 04:10:28,788 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 04:10:28,789 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d13c8fd602d503a5b89ef19dbfdd96987c0182e1babba89942a78b68f80ba8e9 [2021-12-16 04:10:29,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 04:10:29,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 04:10:29,048 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 04:10:29,048 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 04:10:29,051 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 04:10:29,052 INFO L432 ainManager$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 [2021-12-16 04:10:29,105 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/534bf6371/c6544b64396846b3a2d634e2501e6adc/FLAGef8622e65 [2021-12-16 04:10:29,809 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 04:10:29,810 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 [2021-12-16 04:10:29,860 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/534bf6371/c6544b64396846b3a2d634e2501e6adc/FLAGef8622e65 [2021-12-16 04:10:30,081 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/534bf6371/c6544b64396846b3a2d634e2501e6adc [2021-12-16 04:10:30,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 04:10:30,084 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 04:10:30,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 04:10:30,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 04:10:30,087 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 04:10:30,088 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:10:30" (1/1) ... [2021-12-16 04:10:30,089 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40907614 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:10:30, skipping insertion in model container [2021-12-16 04:10:30,089 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:10:30" (1/1) ... [2021-12-16 04:10:30,093 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 04:10:30,216 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 04:10:32,054 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] [2021-12-16 04:10:32,155 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:10:32,207 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 04:10:32,544 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] [2021-12-16 04:10:32,550 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:10:32,678 INFO L208 MainTranslator]: Completed translation [2021-12-16 04:10:32,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:10:32 WrapperNode [2021-12-16 04:10:32,680 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 04:10:32,681 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 04:10:32,681 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 04:10:32,681 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 04:10:32,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:10:32" (1/1) ... [2021-12-16 04:10:32,797 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:10:32" (1/1) ... [2021-12-16 04:10:32,973 INFO L137 Inliner]: procedures = 425, calls = 5273, calls flagged for inlining = 151, calls inlined = 134, statements flattened = 10143 [2021-12-16 04:10:32,974 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 04:10:32,975 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 04:10:32,975 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 04:10:32,975 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 04:10:32,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:10:32" (1/1) ... [2021-12-16 04:10:32,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:10:32" (1/1) ... [2021-12-16 04:10:33,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:10:32" (1/1) ... [2021-12-16 04:10:33,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:10:32" (1/1) ... [2021-12-16 04:10:33,178 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:10:32" (1/1) ... [2021-12-16 04:10:33,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:10:32" (1/1) ... [2021-12-16 04:10:33,288 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:10:32" (1/1) ... [2021-12-16 04:10:33,327 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 04:10:33,328 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 04:10:33,329 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 04:10:33,329 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 04:10:33,330 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:10:32" (1/1) ... [2021-12-16 04:10:33,335 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:10:33,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 04:10:33,367 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) [2021-12-16 04:10:33,409 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 [2021-12-16 04:10:33,421 INFO L130 BoogieDeclarations]: Found specification of procedure timer_open [2021-12-16 04:10:33,421 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_open [2021-12-16 04:10:33,422 INFO L130 BoogieDeclarations]: Found specification of procedure poll_def_tmr [2021-12-16 04:10:33,422 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_def_tmr [2021-12-16 04:10:33,422 INFO L130 BoogieDeclarations]: Found specification of procedure timer_event [2021-12-16 04:10:33,422 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_event [2021-12-16 04:10:33,422 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_channels [2021-12-16 04:10:33,422 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_channels [2021-12-16 04:10:33,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-16 04:10:33,422 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-16 04:10:33,423 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-16 04:10:33,423 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-16 04:10:33,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 04:10:33,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 04:10:33,423 INFO L130 BoogieDeclarations]: Found specification of procedure dma_reset_output [2021-12-16 04:10:33,423 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_reset_output [2021-12-16 04:10:33,423 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~TO~int [2021-12-16 04:10:33,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~TO~int [2021-12-16 04:10:33,424 INFO L130 BoogieDeclarations]: Found specification of procedure seq_input_event [2021-12-16 04:10:33,424 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_input_event [2021-12-16 04:10:33,424 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_release [2021-12-16 04:10:33,424 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_release [2021-12-16 04:10:33,424 INFO L130 BoogieDeclarations]: Found specification of procedure local_start_dma [2021-12-16 04:10:33,424 INFO L138 BoogieDeclarations]: Found implementation of procedure local_start_dma [2021-12-16 04:10:33,424 INFO L130 BoogieDeclarations]: Found specification of procedure translate_bytes [2021-12-16 04:10:33,424 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_bytes [2021-12-16 04:10:33,425 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2021-12-16 04:10:33,425 INFO L130 BoogieDeclarations]: Found specification of procedure seq_copy_to_input [2021-12-16 04:10:33,425 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_copy_to_input [2021-12-16 04:10:33,425 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-16 04:10:33,425 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-16 04:10:33,425 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_sync [2021-12-16 04:10:33,425 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_sync [2021-12-16 04:10:33,425 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~$Pointer$~TO~int [2021-12-16 04:10:33,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~$Pointer$~TO~int [2021-12-16 04:10:33,426 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_launch_output [2021-12-16 04:10:33,426 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_launch_output [2021-12-16 04:10:33,426 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-16 04:10:33,426 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-16 04:10:33,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_soundcard_mutex [2021-12-16 04:10:33,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_soundcard_mutex [2021-12-16 04:10:33,427 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-16 04:10:33,427 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-16 04:10:33,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 04:10:33,427 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_space_in_queue [2021-12-16 04:10:33,427 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_space_in_queue [2021-12-16 04:10:33,427 INFO L130 BoogieDeclarations]: Found specification of procedure timer_get_time [2021-12-16 04:10:33,428 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_get_time [2021-12-16 04:10:33,428 INFO L130 BoogieDeclarations]: Found specification of procedure enable_dma [2021-12-16 04:10:33,428 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_dma [2021-12-16 04:10:33,428 INFO L130 BoogieDeclarations]: Found specification of procedure timer_ioctl [2021-12-16 04:10:33,428 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_ioctl [2021-12-16 04:10:33,428 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-16 04:10:33,428 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-16 04:10:33,429 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-12-16 04:10:33,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-12-16 04:10:33,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-16 04:10:33,430 INFO L130 BoogieDeclarations]: Found specification of procedure sound_mixer_ioctl [2021-12-16 04:10:33,430 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_mixer_ioctl [2021-12-16 04:10:33,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-16 04:10:33,430 INFO L130 BoogieDeclarations]: Found specification of procedure midi_poll [2021-12-16 04:10:33,431 INFO L138 BoogieDeclarations]: Found implementation of procedure midi_poll [2021-12-16 04:10:33,431 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_arm [2021-12-16 04:10:33,431 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_arm [2021-12-16 04:10:33,431 INFO L130 BoogieDeclarations]: Found specification of procedure dma_subdivide [2021-12-16 04:10:33,431 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_subdivide [2021-12-16 04:10:33,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 04:10:33,431 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_activate_recording [2021-12-16 04:10:33,431 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_activate_recording [2021-12-16 04:10:33,432 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-16 04:10:33,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-16 04:10:33,432 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user [2021-12-16 04:10:33,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user [2021-12-16 04:10:33,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-16 04:10:33,433 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-16 04:10:33,433 INFO L130 BoogieDeclarations]: Found specification of procedure seq_sync [2021-12-16 04:10:33,433 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_sync [2021-12-16 04:10:33,433 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_bits [2021-12-16 04:10:33,433 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_bits [2021-12-16 04:10:33,433 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_sound_special [2021-12-16 04:10:33,433 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_sound_special [2021-12-16 04:10:33,433 INFO L130 BoogieDeclarations]: Found specification of procedure close_dmap [2021-12-16 04:10:33,434 INFO L138 BoogieDeclarations]: Found implementation of procedure close_dmap [2021-12-16 04:10:33,434 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_close [2021-12-16 04:10:33,434 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_close [2021-12-16 04:10:33,434 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2021-12-16 04:10:33,434 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-16 04:10:33,434 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-16 04:10:33,434 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-16 04:10:33,435 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-16 04:10:33,435 INFO L130 BoogieDeclarations]: Found specification of procedure timer_arm [2021-12-16 04:10:33,435 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_arm [2021-12-16 04:10:33,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-16 04:10:33,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-16 04:10:33,435 INFO L130 BoogieDeclarations]: Found specification of procedure register_sound_special [2021-12-16 04:10:33,436 INFO L138 BoogieDeclarations]: Found implementation of procedure register_sound_special [2021-12-16 04:10:33,436 INFO L130 BoogieDeclarations]: Found specification of procedure sound_mmap [2021-12-16 04:10:33,436 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_mmap [2021-12-16 04:10:33,436 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2021-12-16 04:10:33,437 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2021-12-16 04:10:33,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 04:10:33,437 INFO L130 BoogieDeclarations]: Found specification of procedure claim_dma_lock [2021-12-16 04:10:33,437 INFO L138 BoogieDeclarations]: Found implementation of procedure claim_dma_lock [2021-12-16 04:10:33,437 INFO L130 BoogieDeclarations]: Found specification of procedure timer_close [2021-12-16 04:10:33,437 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_close [2021-12-16 04:10:33,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 04:10:33,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 04:10:33,438 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-16 04:10:33,438 INFO L130 BoogieDeclarations]: Found specification of procedure dma_reset_input [2021-12-16 04:10:33,438 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_reset_input [2021-12-16 04:10:33,438 INFO L130 BoogieDeclarations]: Found specification of procedure interruptible_sleep_on_timeout [2021-12-16 04:10:33,438 INFO L138 BoogieDeclarations]: Found implementation of procedure interruptible_sleep_on_timeout [2021-12-16 04:10:33,439 INFO L130 BoogieDeclarations]: Found specification of procedure set_format [2021-12-16 04:10:33,439 INFO L138 BoogieDeclarations]: Found implementation of procedure set_format [2021-12-16 04:10:33,439 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_reset [2021-12-16 04:10:33,439 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_reset [2021-12-16 04:10:33,439 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2021-12-16 04:10:33,440 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2021-12-16 04:10:33,440 INFO L130 BoogieDeclarations]: Found specification of procedure seq_reset [2021-12-16 04:10:33,442 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_reset [2021-12-16 04:10:33,442 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2021-12-16 04:10:33,442 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2021-12-16 04:10:33,442 INFO L130 BoogieDeclarations]: Found specification of procedure seq_drain_midi_queues [2021-12-16 04:10:33,442 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_drain_midi_queues [2021-12-16 04:10:33,443 INFO L130 BoogieDeclarations]: Found specification of procedure dma_ioctl [2021-12-16 04:10:33,443 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_ioctl [2021-12-16 04:10:33,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_soundcard_mutex [2021-12-16 04:10:33,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_soundcard_mutex [2021-12-16 04:10:33,447 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2021-12-16 04:10:33,447 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2021-12-16 04:10:33,447 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~X~int~TO~int [2021-12-16 04:10:33,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~X~int~TO~int [2021-12-16 04:10:33,448 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~VOID [2021-12-16 04:10:33,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~VOID [2021-12-16 04:10:33,448 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-16 04:10:33,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-16 04:10:33,448 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2021-12-16 04:10:33,448 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2021-12-16 04:10:33,448 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-16 04:10:33,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-16 04:10:33,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 04:10:33,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 04:10:33,449 INFO L130 BoogieDeclarations]: Found specification of procedure seq_startplay [2021-12-16 04:10:33,449 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_startplay [2021-12-16 04:10:33,449 INFO L130 BoogieDeclarations]: Found specification of procedure clear_dma_ff [2021-12-16 04:10:33,449 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_dma_ff [2021-12-16 04:10:33,449 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~TO~VOID [2021-12-16 04:10:33,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~TO~VOID [2021-12-16 04:10:33,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-16 04:10:33,450 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-16 04:10:33,450 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-12-16 04:10:33,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-12-16 04:10:33,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-16 04:10:33,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-16 04:10:33,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-16 04:10:33,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-16 04:10:33,450 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-16 04:10:33,451 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-16 04:10:33,451 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-16 04:10:33,451 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2021-12-16 04:10:33,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2021-12-16 04:10:33,451 INFO L130 BoogieDeclarations]: Found specification of procedure translate_mode [2021-12-16 04:10:33,451 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_mode [2021-12-16 04:10:33,451 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get___0 [2021-12-16 04:10:33,451 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get___0 [2021-12-16 04:10:33,451 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_move_wrpointer [2021-12-16 04:10:33,452 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_move_wrpointer [2021-12-16 04:10:33,452 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-16 04:10:33,452 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-16 04:10:33,452 INFO L130 BoogieDeclarations]: Found specification of procedure tmr_reset [2021-12-16 04:10:33,452 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr_reset [2021-12-16 04:10:33,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-16 04:10:33,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-16 04:10:33,452 INFO L130 BoogieDeclarations]: Found specification of procedure sound_stop_timer [2021-12-16 04:10:33,452 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_stop_timer [2021-12-16 04:10:33,453 INFO L130 BoogieDeclarations]: Found specification of procedure tmr2ticks___0 [2021-12-16 04:10:33,453 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr2ticks___0 [2021-12-16 04:10:33,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-16 04:10:33,453 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-16 04:10:33,453 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-16 04:10:33,453 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-16 04:10:33,453 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-16 04:10:33,453 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-16 04:10:33,453 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-16 04:10:33,454 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-16 04:10:33,454 INFO L130 BoogieDeclarations]: Found specification of procedure tmr_reset___0 [2021-12-16 04:10:33,454 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr_reset___0 [2021-12-16 04:10:33,454 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~X~int~TO~VOID [2021-12-16 04:10:33,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~X~int~TO~VOID [2021-12-16 04:10:33,454 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2021-12-16 04:10:33,454 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2021-12-16 04:10:33,454 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2021-12-16 04:10:33,454 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2021-12-16 04:10:33,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 04:10:33,455 INFO L130 BoogieDeclarations]: Found specification of procedure sound_free_dmap [2021-12-16 04:10:33,455 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_free_dmap [2021-12-16 04:10:33,455 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2021-12-16 04:10:33,455 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2021-12-16 04:10:33,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 04:10:33,455 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-16 04:10:33,455 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-16 04:10:33,456 INFO L130 BoogieDeclarations]: Found specification of procedure reprogram_timer [2021-12-16 04:10:33,456 INFO L138 BoogieDeclarations]: Found implementation of procedure reprogram_timer [2021-12-16 04:10:33,456 INFO L130 BoogieDeclarations]: Found specification of procedure midi_outc___0 [2021-12-16 04:10:33,456 INFO L138 BoogieDeclarations]: Found implementation of procedure midi_outc___0 [2021-12-16 04:10:33,456 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-16 04:10:33,456 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-16 04:10:33,456 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~int [2021-12-16 04:10:33,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~int [2021-12-16 04:10:33,456 INFO L130 BoogieDeclarations]: Found specification of procedure dmabuf_timeout [2021-12-16 04:10:33,457 INFO L138 BoogieDeclarations]: Found implementation of procedure dmabuf_timeout [2021-12-16 04:10:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info___0 [2021-12-16 04:10:33,457 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info___0 [2021-12-16 04:10:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 04:10:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure module_is_live [2021-12-16 04:10:33,457 INFO L138 BoogieDeclarations]: Found implementation of procedure module_is_live [2021-12-16 04:10:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-16 04:10:33,457 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-16 04:10:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure sound_start_dma [2021-12-16 04:10:33,458 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_start_dma [2021-12-16 04:10:33,458 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_event [2021-12-16 04:10:33,458 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_event [2021-12-16 04:10:33,458 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-16 04:10:33,458 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-16 04:10:33,458 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-16 04:10:33,458 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-16 04:10:33,458 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_open [2021-12-16 04:10:33,458 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_open [2021-12-16 04:10:33,459 INFO L130 BoogieDeclarations]: Found specification of procedure do_midi_msg [2021-12-16 04:10:33,459 INFO L138 BoogieDeclarations]: Found implementation of procedure do_midi_msg [2021-12-16 04:10:33,459 INFO L130 BoogieDeclarations]: Found specification of procedure interruptible_sleep_on [2021-12-16 04:10:33,459 INFO L138 BoogieDeclarations]: Found implementation of procedure interruptible_sleep_on [2021-12-16 04:10:33,459 INFO L130 BoogieDeclarations]: Found specification of procedure waitqueue_active [2021-12-16 04:10:33,459 INFO L138 BoogieDeclarations]: Found implementation of procedure waitqueue_active [2021-12-16 04:10:33,459 INFO L130 BoogieDeclarations]: Found specification of procedure sound_alloc_dmap [2021-12-16 04:10:33,459 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_alloc_dmap [2021-12-16 04:10:33,459 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_fragment [2021-12-16 04:10:33,460 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_fragment [2021-12-16 04:10:33,460 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_get_time [2021-12-16 04:10:33,460 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_get_time [2021-12-16 04:10:33,460 INFO L130 BoogieDeclarations]: Found specification of procedure sequencer_timer [2021-12-16 04:10:33,460 INFO L138 BoogieDeclarations]: Found implementation of procedure sequencer_timer [2021-12-16 04:10:33,460 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_speed [2021-12-16 04:10:33,460 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_speed [2021-12-16 04:10:33,460 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-12-16 04:10:33,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-12-16 04:10:33,464 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_residue [2021-12-16 04:10:33,464 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_residue [2021-12-16 04:10:33,464 INFO L130 BoogieDeclarations]: Found specification of procedure sync_output [2021-12-16 04:10:33,464 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_output [2021-12-16 04:10:33,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 04:10:33,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-16 04:10:33,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-16 04:10:33,464 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2021-12-16 04:10:33,465 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2021-12-16 04:10:33,465 INFO L130 BoogieDeclarations]: Found specification of procedure open_dmap [2021-12-16 04:10:33,466 INFO L138 BoogieDeclarations]: Found implementation of procedure open_dmap [2021-12-16 04:10:33,466 INFO L130 BoogieDeclarations]: Found specification of procedure release_dma_lock [2021-12-16 04:10:33,466 INFO L138 BoogieDeclarations]: Found implementation of procedure release_dma_lock [2021-12-16 04:10:33,466 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2021-12-16 04:10:33,466 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2021-12-16 04:10:33,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-16 04:10:33,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-16 04:10:33,466 INFO L130 BoogieDeclarations]: Found specification of procedure sound_poll [2021-12-16 04:10:33,466 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_poll [2021-12-16 04:10:33,466 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-16 04:10:33,467 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-16 04:10:33,467 INFO L130 BoogieDeclarations]: Found specification of procedure do_sequencer_timer [2021-12-16 04:10:33,467 INFO L138 BoogieDeclarations]: Found implementation of procedure do_sequencer_timer [2021-12-16 04:10:33,467 INFO L130 BoogieDeclarations]: Found specification of procedure disable_dma [2021-12-16 04:10:33,467 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_dma [2021-12-16 04:10:33,467 INFO L130 BoogieDeclarations]: Found specification of procedure tmr2ticks [2021-12-16 04:10:33,467 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr2ticks [2021-12-16 04:10:33,467 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-12-16 04:10:33,467 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-12-16 04:10:33,468 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-16 04:10:33,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-16 04:10:33,468 INFO L130 BoogieDeclarations]: Found specification of procedure request_sound_timer [2021-12-16 04:10:33,468 INFO L138 BoogieDeclarations]: Found implementation of procedure request_sound_timer [2021-12-16 04:10:33,468 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_get_buffer_pointer [2021-12-16 04:10:33,468 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_get_buffer_pointer [2021-12-16 04:10:33,468 INFO L130 BoogieDeclarations]: Found specification of procedure sound_write [2021-12-16 04:10:33,468 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_write [2021-12-16 04:10:33,468 INFO L130 BoogieDeclarations]: Found specification of procedure play_event [2021-12-16 04:10:33,468 INFO L138 BoogieDeclarations]: Found implementation of procedure play_event [2021-12-16 04:10:33,469 INFO L130 BoogieDeclarations]: Found specification of procedure reorganize_buffers [2021-12-16 04:10:33,469 INFO L138 BoogieDeclarations]: Found implementation of procedure reorganize_buffers [2021-12-16 04:10:33,469 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-16 04:10:33,469 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-16 04:10:33,469 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-16 04:10:33,469 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-16 04:10:33,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 04:10:33,469 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_ioctl [2021-12-16 04:10:33,469 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_ioctl [2021-12-16 04:10:34,318 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 04:10:34,333 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 04:10:34,719 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-16 04:10:34,775 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3834: assume 0 != ~tmp___1~2;#res := ~ret~3; [2021-12-16 04:10:34,775 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3834: assume !(0 != ~tmp___1~2);#res := ~ret~3; [2021-12-16 04:10:34,775 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3801: havoc #t~switch120; [2021-12-16 04:10:34,776 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3830: assume #t~switch120; [2021-12-16 04:10:34,776 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3830: assume !#t~switch120;#t~switch120 := true; [2021-12-16 04:10:34,776 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3822: assume 0 != ~tmp___0~8;#res := ~ret~3; [2021-12-16 04:10:34,776 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3822: assume !(0 != ~tmp___0~8);#res := ~ret~3; [2021-12-16 04:10:34,776 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3818: assume #t~switch120; [2021-12-16 04:10:34,776 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3818: assume !#t~switch120;#t~switch120 := #t~switch120 || 16 == ~size; [2021-12-16 04:10:34,776 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume #t~switch120;#res := ~ret~3; [2021-12-16 04:10:34,776 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3814: assume #t~switch120;#res := ~ret~3; [2021-12-16 04:10:34,777 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3814: assume !#t~switch120;#t~switch120 := #t~switch120 || 10 == ~size; [2021-12-16 04:10:34,777 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !#t~switch120;#t~switch120 := #t~switch120 || 2 == ~size; [2021-12-16 04:10:34,777 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3810: assume #t~switch120;#res := ~ret~3; [2021-12-16 04:10:34,777 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3810: assume !#t~switch120;#t~switch120 := #t~switch120 || 8 == ~size; [2021-12-16 04:10:34,777 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); [2021-12-16 04:10:34,777 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 [2021-12-16 04:10:34,777 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3806: assume #t~switch120;#res := ~ret~3; [2021-12-16 04:10:34,777 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3806: assume !#t~switch120;#t~switch120 := #t~switch120 || 4 == ~size; [2021-12-16 04:10:34,778 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3833-1: assume -9223372036854775808 <= #t~ret122 && #t~ret122 <= 9223372036854775807;~tmp___1~2 := #t~ret122;havoc #t~ret122; [2021-12-16 04:10:34,778 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 [2021-12-16 04:10:34,778 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3821-1: assume -9223372036854775808 <= #t~ret121 && #t~ret121 <= 9223372036854775807;~tmp___0~8 := #t~ret121;havoc #t~ret121; [2021-12-16 04:10:34,778 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 [2021-12-16 04:10:34,778 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3842: assume #t~switch120; [2021-12-16 04:10:34,778 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3842: assume !#t~switch120; [2021-12-16 04:10:42,284 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3736: havoc __copy_from_user_#t~switch115#1; [2021-12-16 04:10:42,284 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; [2021-12-16 04:10:42,284 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; [2021-12-16 04:10:42,284 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; [2021-12-16 04:10:42,284 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; [2021-12-16 04:10:42,284 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; [2021-12-16 04:10:42,284 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; [2021-12-16 04:10:42,284 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3757: assume __copy_from_user_#t~switch115#1; [2021-12-16 04:10:42,284 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; [2021-12-16 04:10:42,284 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; [2021-12-16 04:10:42,285 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 [2021-12-16 04:10:42,285 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; [2021-12-16 04:10:42,285 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; [2021-12-16 04:10:42,285 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3770: assume __copy_from_user_#t~switch115#1; [2021-12-16 04:10:42,285 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3770: assume !__copy_from_user_#t~switch115#1;__copy_from_user_#t~switch115#1 := true; [2021-12-16 04:10:42,285 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 [2021-12-16 04:10:42,285 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; [2021-12-16 04:10:42,285 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; [2021-12-16 04:10:42,285 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; [2021-12-16 04:10:42,285 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3783: assume __copy_from_user_#t~switch115#1; [2021-12-16 04:10:42,285 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3783: assume !__copy_from_user_#t~switch115#1; [2021-12-16 04:10:42,285 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 [2021-12-16 04:10:42,285 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); [2021-12-16 04:10:42,285 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; [2021-12-16 04:10:42,285 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; [2021-12-16 04:10:42,344 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 04:10:42,361 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 04:10:42,361 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-16 04:10:42,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:10:42 BoogieIcfgContainer [2021-12-16 04:10:42,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 04:10:42,371 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 04:10:42,372 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 04:10:42,374 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 04:10:42,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 04:10:30" (1/3) ... [2021-12-16 04:10:42,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@765cce11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:10:42, skipping insertion in model container [2021-12-16 04:10:42,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:10:32" (2/3) ... [2021-12-16 04:10:42,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@765cce11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:10:42, skipping insertion in model container [2021-12-16 04:10:42,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:10:42" (3/3) ... [2021-12-16 04:10:42,377 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-16 04:10:42,381 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 04:10:42,381 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 04:10:42,436 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 04:10:42,442 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 [2021-12-16 04:10:42,443 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 04:10:42,506 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) [2021-12-16 04:10:42,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-12-16 04:10:42,521 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:10:42,522 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] [2021-12-16 04:10:42,523 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:10:42,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:10:42,527 INFO L85 PathProgramCache]: Analyzing trace with hash 1391587723, now seen corresponding path program 1 times [2021-12-16 04:10:42,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:10:42,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427920983] [2021-12-16 04:10:42,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:10:42,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:10:42,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:43,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:10:43,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:43,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:43,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:43,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:43,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:43,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:10:43,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:43,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:43,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:43,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:43,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:43,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:10:43,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:43,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:43,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:43,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:43,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:43,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:10:43,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:43,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:43,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:43,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:43,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:43,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-16 04:10:43,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:43,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:43,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:43,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:43,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:43,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 04:10:43,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:43,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:43,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:43,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:10:43,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:43,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-16 04:10:43,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:43,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:43,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:43,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-16 04:10:43,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:43,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:43,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:43,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-16 04:10:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:43,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:43,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:43,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-16 04:10:43,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:43,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:43,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:43,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-16 04:10:43,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:43,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:43,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:43,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-16 04:10:43,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:43,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:43,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:43,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-16 04:10:43,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:43,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:10:43,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:43,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-16 04:10:43,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:10:43,444 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2021-12-16 04:10:43,445 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:10:43,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427920983] [2021-12-16 04:10:43,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427920983] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:10:43,446 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:10:43,447 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 04:10:43,448 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390981598] [2021-12-16 04:10:43,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:10:43,451 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 04:10:43,452 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:10:43,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 04:10:43,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:10:43,484 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) [2021-12-16 04:10:52,454 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:10:54,480 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:10:56,533 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:11:00,027 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-16 04:11:02,102 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-16 04:11:04,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:11:04,216 INFO L93 Difference]: Finished difference Result 8367 states and 13217 transitions. [2021-12-16 04:11:04,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-16 04:11:04,219 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 [2021-12-16 04:11:04,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:11:04,267 INFO L225 Difference]: With dead ends: 8367 [2021-12-16 04:11:04,267 INFO L226 Difference]: Without dead ends: 4519 [2021-12-16 04:11:04,286 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 [2021-12-16 04:11:04,289 INFO L933 BasicCegarLoop]: 5471 mSDtfsCounter, 3639 mSDsluCounter, 7447 mSDsCounter, 0 mSdLazyCounter, 4576 mSolverCounterSat, 2305 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3690 SdHoareTripleChecker+Valid, 12918 SdHoareTripleChecker+Invalid, 6885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2305 IncrementalHoareTripleChecker+Valid, 4576 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.2s IncrementalHoareTripleChecker+Time [2021-12-16 04:11:04,291 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3690 Valid, 12918 Invalid, 6885 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2305 Valid, 4576 Invalid, 4 Unknown, 0 Unchecked, 20.2s Time] [2021-12-16 04:11:04,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4519 states. [2021-12-16 04:11:04,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4519 to 3823. [2021-12-16 04:11:04,471 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) [2021-12-16 04:11:04,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3823 states to 3823 states and 5910 transitions. [2021-12-16 04:11:04,495 INFO L78 Accepts]: Start accepts. Automaton has 3823 states and 5910 transitions. Word has length 192 [2021-12-16 04:11:04,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:11:04,495 INFO L470 AbstractCegarLoop]: Abstraction has 3823 states and 5910 transitions. [2021-12-16 04:11:04,495 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) [2021-12-16 04:11:04,496 INFO L276 IsEmpty]: Start isEmpty. Operand 3823 states and 5910 transitions. [2021-12-16 04:11:04,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-12-16 04:11:04,500 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:11:04,501 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] [2021-12-16 04:11:04,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 04:11:04,501 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:11:04,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:11:04,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1053851753, now seen corresponding path program 1 times [2021-12-16 04:11:04,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:11:04,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243901880] [2021-12-16 04:11:04,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:11:04,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:11:04,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:04,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:11:04,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:04,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:11:04,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:04,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:11:04,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:04,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:11:04,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:04,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:11:04,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:04,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:11:04,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:04,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:11:04,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:04,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:11:04,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:04,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:11:04,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:04,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:11:04,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:04,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:11:04,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:04,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:11:04,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:04,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-16 04:11:04,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:04,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:11:04,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:04,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:11:04,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:04,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 04:11:04,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:04,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:11:04,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:04,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:11:04,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:04,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-16 04:11:04,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:04,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:11:04,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:04,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-16 04:11:04,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:04,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:11:04,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:04,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-16 04:11:04,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:04,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:11:04,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:04,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-16 04:11:04,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:04,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:11:04,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:04,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-16 04:11:04,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:04,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:11:04,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:04,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-16 04:11:04,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:04,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:11:04,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:04,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-16 04:11:04,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:04,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:11:04,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:04,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-16 04:11:04,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:04,951 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2021-12-16 04:11:04,951 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:11:04,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243901880] [2021-12-16 04:11:04,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243901880] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:11:04,952 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:11:04,952 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:11:04,952 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372024946] [2021-12-16 04:11:04,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:11:04,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:11:04,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:11:04,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:11:04,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:11:04,955 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) [2021-12-16 04:11:15,592 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:11:18,471 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-16 04:11:20,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:11:20,479 INFO L93 Difference]: Finished difference Result 9651 states and 15121 transitions. [2021-12-16 04:11:20,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 04:11:20,479 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 [2021-12-16 04:11:20,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:11:20,512 INFO L225 Difference]: With dead ends: 9651 [2021-12-16 04:11:20,513 INFO L226 Difference]: Without dead ends: 5857 [2021-12-16 04:11:20,525 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 [2021-12-16 04:11:20,526 INFO L933 BasicCegarLoop]: 5653 mSDtfsCounter, 9663 mSDsluCounter, 7681 mSDsCounter, 0 mSdLazyCounter, 3696 mSolverCounterSat, 4663 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9828 SdHoareTripleChecker+Valid, 13334 SdHoareTripleChecker+Invalid, 8360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4663 IncrementalHoareTripleChecker+Valid, 3696 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2021-12-16 04:11:20,526 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9828 Valid, 13334 Invalid, 8360 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4663 Valid, 3696 Invalid, 1 Unknown, 0 Unchecked, 14.8s Time] [2021-12-16 04:11:20,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5857 states. [2021-12-16 04:11:20,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5857 to 4938. [2021-12-16 04:11:20,677 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) [2021-12-16 04:11:20,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4938 states to 4938 states and 7580 transitions. [2021-12-16 04:11:20,694 INFO L78 Accepts]: Start accepts. Automaton has 4938 states and 7580 transitions. Word has length 192 [2021-12-16 04:11:20,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:11:20,696 INFO L470 AbstractCegarLoop]: Abstraction has 4938 states and 7580 transitions. [2021-12-16 04:11:20,696 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) [2021-12-16 04:11:20,696 INFO L276 IsEmpty]: Start isEmpty. Operand 4938 states and 7580 transitions. [2021-12-16 04:11:20,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-12-16 04:11:20,698 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:11:20,698 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] [2021-12-16 04:11:20,698 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 04:11:20,699 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:11:20,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:11:20,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1833513696, now seen corresponding path program 1 times [2021-12-16 04:11:20,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:11:20,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757281227] [2021-12-16 04:11:20,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:11:20,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:11:20,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:20,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:11:20,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:20,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:11:20,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:20,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:11:20,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:20,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:11:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:20,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:11:20,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:20,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:11:20,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:20,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:11:20,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:21,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:11:21,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:21,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:11:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:21,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:11:21,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:21,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:11:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:21,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:11:21,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:21,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-16 04:11:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:21,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:11:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:21,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:11:21,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:21,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 04:11:21,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:21,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:11:21,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:21,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:11:21,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:21,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-16 04:11:21,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:21,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:11:21,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:21,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-16 04:11:21,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:21,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:11:21,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:21,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-16 04:11:21,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:21,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:11:21,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:21,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-16 04:11:21,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:21,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:11:21,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:21,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-16 04:11:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:21,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:11:21,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:21,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-16 04:11:21,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:21,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:11:21,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:21,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-16 04:11:21,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:21,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:11:21,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:21,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-16 04:11:21,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:11:21,179 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2021-12-16 04:11:21,179 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:11:21,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757281227] [2021-12-16 04:11:21,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757281227] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:11:21,180 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:11:21,180 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:11:21,181 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029183589] [2021-12-16 04:11:21,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:11:21,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:11:21,182 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:11:21,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:11:21,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:11:21,183 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) [2021-12-16 04:11:30,443 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:11:32,478 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []