./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 e19ca921 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-dev-e19ca92 [2021-12-22 14:50:26,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 14:50:26,144 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 14:50:26,212 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 14:50:26,213 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 14:50:26,215 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 14:50:26,216 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 14:50:26,218 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 14:50:26,219 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 14:50:26,223 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 14:50:26,223 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 14:50:26,224 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 14:50:26,224 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 14:50:26,226 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 14:50:26,227 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 14:50:26,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 14:50:26,230 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 14:50:26,231 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 14:50:26,232 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 14:50:26,236 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 14:50:26,237 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 14:50:26,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 14:50:26,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 14:50:26,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 14:50:26,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 14:50:26,244 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 14:50:26,244 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 14:50:26,245 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 14:50:26,245 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 14:50:26,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 14:50:26,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 14:50:26,246 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 14:50:26,247 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 14:50:26,248 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 14:50:26,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 14:50:26,249 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 14:50:26,249 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 14:50:26,250 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 14:50:26,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 14:50:26,250 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 14:50:26,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 14:50:26,252 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 14:50:26,274 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 14:50:26,275 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 14:50:26,275 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 14:50:26,275 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 14:50:26,276 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 14:50:26,276 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 14:50:26,276 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 14:50:26,276 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 14:50:26,277 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 14:50:26,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 14:50:26,277 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 14:50:26,278 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 14:50:26,278 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 14:50:26,278 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 14:50:26,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 14:50:26,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 14:50:26,278 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 14:50:26,278 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 14:50:26,278 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 14:50:26,279 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 14:50:26,279 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 14:50:26,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:50:26,279 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 14:50:26,279 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 14:50:26,279 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 14:50:26,279 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 14:50:26,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 14:50:26,281 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 14:50:26,281 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 14:50:26,281 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 14:50:26,281 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 14:50:26,281 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d13c8fd602d503a5b89ef19dbfdd96987c0182e1babba89942a78b68f80ba8e9 [2021-12-22 14:50:26,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 14:50:26,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 14:50:26,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 14:50:26,524 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 14:50:26,525 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 14:50:26,526 INFO L432 ainManager$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 [2021-12-22 14:50:26,586 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34032e907/08d0661e430a4afaacfbacacee6d3728/FLAG8d2677fb6 [2021-12-22 14:50:27,174 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 14:50:27,175 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 [2021-12-22 14:50:27,215 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34032e907/08d0661e430a4afaacfbacacee6d3728/FLAG8d2677fb6 [2021-12-22 14:50:27,309 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34032e907/08d0661e430a4afaacfbacacee6d3728 [2021-12-22 14:50:27,311 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 14:50:27,312 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 14:50:27,315 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 14:50:27,315 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 14:50:27,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 14:50:27,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:50:27" (1/1) ... [2021-12-22 14:50:27,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6067bca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:50:27, skipping insertion in model container [2021-12-22 14:50:27,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:50:27" (1/1) ... [2021-12-22 14:50:27,323 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 14:50:27,431 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 14:50:29,835 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] [2021-12-22 14:50:29,972 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:50:30,054 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 14:50:30,421 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] [2021-12-22 14:50:30,426 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:50:30,530 INFO L208 MainTranslator]: Completed translation [2021-12-22 14:50:30,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:50:30 WrapperNode [2021-12-22 14:50:30,531 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 14:50:30,532 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 14:50:30,532 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 14:50:30,533 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 14:50:30,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:50:30" (1/1) ... [2021-12-22 14:50:30,639 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:50:30" (1/1) ... [2021-12-22 14:50:30,836 INFO L137 Inliner]: procedures = 425, calls = 5273, calls flagged for inlining = 151, calls inlined = 134, statements flattened = 10143 [2021-12-22 14:50:30,837 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 14:50:30,837 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 14:50:30,837 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 14:50:30,838 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 14:50:30,846 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:50:30" (1/1) ... [2021-12-22 14:50:30,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:50:30" (1/1) ... [2021-12-22 14:50:30,878 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:50:30" (1/1) ... [2021-12-22 14:50:30,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:50:30" (1/1) ... [2021-12-22 14:50:31,021 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:50:30" (1/1) ... [2021-12-22 14:50:31,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:50:30" (1/1) ... [2021-12-22 14:50:31,078 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:50:30" (1/1) ... [2021-12-22 14:50:31,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 14:50:31,112 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 14:50:31,112 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 14:50:31,112 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 14:50:31,113 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:50:30" (1/1) ... [2021-12-22 14:50:31,118 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:50:31,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:50:31,136 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) [2021-12-22 14:50:31,143 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 [2021-12-22 14:50:31,169 INFO L130 BoogieDeclarations]: Found specification of procedure timer_open [2021-12-22 14:50:31,170 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_open [2021-12-22 14:50:31,170 INFO L130 BoogieDeclarations]: Found specification of procedure poll_def_tmr [2021-12-22 14:50:31,170 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_def_tmr [2021-12-22 14:50:31,170 INFO L130 BoogieDeclarations]: Found specification of procedure timer_event [2021-12-22 14:50:31,170 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_event [2021-12-22 14:50:31,170 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_channels [2021-12-22 14:50:31,170 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_channels [2021-12-22 14:50:31,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 14:50:31,171 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 14:50:31,171 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-22 14:50:31,171 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-22 14:50:31,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 14:50:31,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 14:50:31,171 INFO L130 BoogieDeclarations]: Found specification of procedure dma_reset_output [2021-12-22 14:50:31,171 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_reset_output [2021-12-22 14:50:31,172 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~TO~int [2021-12-22 14:50:31,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~TO~int [2021-12-22 14:50:31,172 INFO L130 BoogieDeclarations]: Found specification of procedure seq_input_event [2021-12-22 14:50:31,172 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_input_event [2021-12-22 14:50:31,172 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_release [2021-12-22 14:50:31,172 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_release [2021-12-22 14:50:31,172 INFO L130 BoogieDeclarations]: Found specification of procedure local_start_dma [2021-12-22 14:50:31,172 INFO L138 BoogieDeclarations]: Found implementation of procedure local_start_dma [2021-12-22 14:50:31,173 INFO L130 BoogieDeclarations]: Found specification of procedure translate_bytes [2021-12-22 14:50:31,173 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_bytes [2021-12-22 14:50:31,173 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2021-12-22 14:50:31,173 INFO L130 BoogieDeclarations]: Found specification of procedure seq_copy_to_input [2021-12-22 14:50:31,173 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_copy_to_input [2021-12-22 14:50:31,173 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-22 14:50:31,173 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-22 14:50:31,173 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_sync [2021-12-22 14:50:31,174 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_sync [2021-12-22 14:50:31,174 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~$Pointer$~TO~int [2021-12-22 14:50:31,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~$Pointer$~TO~int [2021-12-22 14:50:31,174 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_launch_output [2021-12-22 14:50:31,174 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_launch_output [2021-12-22 14:50:31,175 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-22 14:50:31,175 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-22 14:50:31,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_soundcard_mutex [2021-12-22 14:50:31,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_soundcard_mutex [2021-12-22 14:50:31,175 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-22 14:50:31,175 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-22 14:50:31,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 14:50:31,175 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_space_in_queue [2021-12-22 14:50:31,176 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_space_in_queue [2021-12-22 14:50:31,176 INFO L130 BoogieDeclarations]: Found specification of procedure timer_get_time [2021-12-22 14:50:31,176 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_get_time [2021-12-22 14:50:31,176 INFO L130 BoogieDeclarations]: Found specification of procedure enable_dma [2021-12-22 14:50:31,176 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_dma [2021-12-22 14:50:31,176 INFO L130 BoogieDeclarations]: Found specification of procedure timer_ioctl [2021-12-22 14:50:31,177 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_ioctl [2021-12-22 14:50:31,177 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-22 14:50:31,177 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-22 14:50:31,177 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-12-22 14:50:31,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-12-22 14:50:31,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 14:50:31,178 INFO L130 BoogieDeclarations]: Found specification of procedure sound_mixer_ioctl [2021-12-22 14:50:31,178 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_mixer_ioctl [2021-12-22 14:50:31,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 14:50:31,179 INFO L130 BoogieDeclarations]: Found specification of procedure midi_poll [2021-12-22 14:50:31,179 INFO L138 BoogieDeclarations]: Found implementation of procedure midi_poll [2021-12-22 14:50:31,179 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_arm [2021-12-22 14:50:31,179 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_arm [2021-12-22 14:50:31,179 INFO L130 BoogieDeclarations]: Found specification of procedure dma_subdivide [2021-12-22 14:50:31,180 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_subdivide [2021-12-22 14:50:31,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 14:50:31,180 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_activate_recording [2021-12-22 14:50:31,180 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_activate_recording [2021-12-22 14:50:31,180 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-22 14:50:31,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-22 14:50:31,180 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user [2021-12-22 14:50:31,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user [2021-12-22 14:50:31,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 14:50:31,181 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 14:50:31,181 INFO L130 BoogieDeclarations]: Found specification of procedure seq_sync [2021-12-22 14:50:31,181 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_sync [2021-12-22 14:50:31,181 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_bits [2021-12-22 14:50:31,182 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_bits [2021-12-22 14:50:31,182 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_sound_special [2021-12-22 14:50:31,182 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_sound_special [2021-12-22 14:50:31,182 INFO L130 BoogieDeclarations]: Found specification of procedure close_dmap [2021-12-22 14:50:31,182 INFO L138 BoogieDeclarations]: Found implementation of procedure close_dmap [2021-12-22 14:50:31,182 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_close [2021-12-22 14:50:31,182 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_close [2021-12-22 14:50:31,182 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2021-12-22 14:50:31,183 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-22 14:50:31,183 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-22 14:50:31,183 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-22 14:50:31,183 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-22 14:50:31,183 INFO L130 BoogieDeclarations]: Found specification of procedure timer_arm [2021-12-22 14:50:31,183 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_arm [2021-12-22 14:50:31,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-22 14:50:31,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-22 14:50:31,184 INFO L130 BoogieDeclarations]: Found specification of procedure register_sound_special [2021-12-22 14:50:31,184 INFO L138 BoogieDeclarations]: Found implementation of procedure register_sound_special [2021-12-22 14:50:31,185 INFO L130 BoogieDeclarations]: Found specification of procedure sound_mmap [2021-12-22 14:50:31,185 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_mmap [2021-12-22 14:50:31,185 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2021-12-22 14:50:31,185 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2021-12-22 14:50:31,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 14:50:31,186 INFO L130 BoogieDeclarations]: Found specification of procedure claim_dma_lock [2021-12-22 14:50:31,186 INFO L138 BoogieDeclarations]: Found implementation of procedure claim_dma_lock [2021-12-22 14:50:31,186 INFO L130 BoogieDeclarations]: Found specification of procedure timer_close [2021-12-22 14:50:31,186 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_close [2021-12-22 14:50:31,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 14:50:31,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 14:50:31,186 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-22 14:50:31,187 INFO L130 BoogieDeclarations]: Found specification of procedure dma_reset_input [2021-12-22 14:50:31,187 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_reset_input [2021-12-22 14:50:31,187 INFO L130 BoogieDeclarations]: Found specification of procedure interruptible_sleep_on_timeout [2021-12-22 14:50:31,187 INFO L138 BoogieDeclarations]: Found implementation of procedure interruptible_sleep_on_timeout [2021-12-22 14:50:31,187 INFO L130 BoogieDeclarations]: Found specification of procedure set_format [2021-12-22 14:50:31,187 INFO L138 BoogieDeclarations]: Found implementation of procedure set_format [2021-12-22 14:50:31,188 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_reset [2021-12-22 14:50:31,188 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_reset [2021-12-22 14:50:31,188 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2021-12-22 14:50:31,188 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2021-12-22 14:50:31,189 INFO L130 BoogieDeclarations]: Found specification of procedure seq_reset [2021-12-22 14:50:31,190 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_reset [2021-12-22 14:50:31,190 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2021-12-22 14:50:31,191 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2021-12-22 14:50:31,191 INFO L130 BoogieDeclarations]: Found specification of procedure seq_drain_midi_queues [2021-12-22 14:50:31,191 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_drain_midi_queues [2021-12-22 14:50:31,192 INFO L130 BoogieDeclarations]: Found specification of procedure dma_ioctl [2021-12-22 14:50:31,192 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_ioctl [2021-12-22 14:50:31,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_soundcard_mutex [2021-12-22 14:50:31,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_soundcard_mutex [2021-12-22 14:50:31,196 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2021-12-22 14:50:31,197 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2021-12-22 14:50:31,197 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~X~int~TO~int [2021-12-22 14:50:31,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~X~int~TO~int [2021-12-22 14:50:31,197 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~VOID [2021-12-22 14:50:31,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~VOID [2021-12-22 14:50:31,197 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-22 14:50:31,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-22 14:50:31,197 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2021-12-22 14:50:31,198 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2021-12-22 14:50:31,198 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-22 14:50:31,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-22 14:50:31,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 14:50:31,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 14:50:31,198 INFO L130 BoogieDeclarations]: Found specification of procedure seq_startplay [2021-12-22 14:50:31,198 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_startplay [2021-12-22 14:50:31,198 INFO L130 BoogieDeclarations]: Found specification of procedure clear_dma_ff [2021-12-22 14:50:31,198 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_dma_ff [2021-12-22 14:50:31,199 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~TO~VOID [2021-12-22 14:50:31,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~TO~VOID [2021-12-22 14:50:31,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-22 14:50:31,199 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-22 14:50:31,199 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-12-22 14:50:31,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-12-22 14:50:31,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 14:50:31,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 14:50:31,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 14:50:31,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 14:50:31,200 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-22 14:50:31,200 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-22 14:50:31,200 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-22 14:50:31,200 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2021-12-22 14:50:31,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2021-12-22 14:50:31,200 INFO L130 BoogieDeclarations]: Found specification of procedure translate_mode [2021-12-22 14:50:31,200 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_mode [2021-12-22 14:50:31,200 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get___0 [2021-12-22 14:50:31,201 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get___0 [2021-12-22 14:50:31,201 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_move_wrpointer [2021-12-22 14:50:31,201 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_move_wrpointer [2021-12-22 14:50:31,201 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-22 14:50:31,201 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-22 14:50:31,201 INFO L130 BoogieDeclarations]: Found specification of procedure tmr_reset [2021-12-22 14:50:31,201 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr_reset [2021-12-22 14:50:31,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 14:50:31,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 14:50:31,201 INFO L130 BoogieDeclarations]: Found specification of procedure sound_stop_timer [2021-12-22 14:50:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_stop_timer [2021-12-22 14:50:31,202 INFO L130 BoogieDeclarations]: Found specification of procedure tmr2ticks___0 [2021-12-22 14:50:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr2ticks___0 [2021-12-22 14:50:31,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 14:50:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 14:50:31,202 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 14:50:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 14:50:31,202 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-22 14:50:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-22 14:50:31,203 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-22 14:50:31,203 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-22 14:50:31,203 INFO L130 BoogieDeclarations]: Found specification of procedure tmr_reset___0 [2021-12-22 14:50:31,203 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr_reset___0 [2021-12-22 14:50:31,203 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~X~int~TO~VOID [2021-12-22 14:50:31,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~X~int~TO~VOID [2021-12-22 14:50:31,203 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2021-12-22 14:50:31,203 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2021-12-22 14:50:31,203 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2021-12-22 14:50:31,204 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2021-12-22 14:50:31,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 14:50:31,204 INFO L130 BoogieDeclarations]: Found specification of procedure sound_free_dmap [2021-12-22 14:50:31,204 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_free_dmap [2021-12-22 14:50:31,204 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2021-12-22 14:50:31,204 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2021-12-22 14:50:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 14:50:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-22 14:50:31,205 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-22 14:50:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure reprogram_timer [2021-12-22 14:50:31,205 INFO L138 BoogieDeclarations]: Found implementation of procedure reprogram_timer [2021-12-22 14:50:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure midi_outc___0 [2021-12-22 14:50:31,205 INFO L138 BoogieDeclarations]: Found implementation of procedure midi_outc___0 [2021-12-22 14:50:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-22 14:50:31,205 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-22 14:50:31,206 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~int [2021-12-22 14:50:31,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~int [2021-12-22 14:50:31,206 INFO L130 BoogieDeclarations]: Found specification of procedure dmabuf_timeout [2021-12-22 14:50:31,206 INFO L138 BoogieDeclarations]: Found implementation of procedure dmabuf_timeout [2021-12-22 14:50:31,206 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info___0 [2021-12-22 14:50:31,206 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info___0 [2021-12-22 14:50:31,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 14:50:31,206 INFO L130 BoogieDeclarations]: Found specification of procedure module_is_live [2021-12-22 14:50:31,206 INFO L138 BoogieDeclarations]: Found implementation of procedure module_is_live [2021-12-22 14:50:31,207 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-22 14:50:31,207 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-22 14:50:31,207 INFO L130 BoogieDeclarations]: Found specification of procedure sound_start_dma [2021-12-22 14:50:31,207 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_start_dma [2021-12-22 14:50:31,207 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_event [2021-12-22 14:50:31,207 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_event [2021-12-22 14:50:31,207 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-22 14:50:31,207 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-22 14:50:31,207 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-22 14:50:31,207 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-22 14:50:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_open [2021-12-22 14:50:31,208 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_open [2021-12-22 14:50:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure do_midi_msg [2021-12-22 14:50:31,208 INFO L138 BoogieDeclarations]: Found implementation of procedure do_midi_msg [2021-12-22 14:50:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure interruptible_sleep_on [2021-12-22 14:50:31,208 INFO L138 BoogieDeclarations]: Found implementation of procedure interruptible_sleep_on [2021-12-22 14:50:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure waitqueue_active [2021-12-22 14:50:31,208 INFO L138 BoogieDeclarations]: Found implementation of procedure waitqueue_active [2021-12-22 14:50:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure sound_alloc_dmap [2021-12-22 14:50:31,209 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_alloc_dmap [2021-12-22 14:50:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_fragment [2021-12-22 14:50:31,209 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_fragment [2021-12-22 14:50:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_get_time [2021-12-22 14:50:31,209 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_get_time [2021-12-22 14:50:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure sequencer_timer [2021-12-22 14:50:31,209 INFO L138 BoogieDeclarations]: Found implementation of procedure sequencer_timer [2021-12-22 14:50:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_speed [2021-12-22 14:50:31,209 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_speed [2021-12-22 14:50:31,210 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-12-22 14:50:31,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-12-22 14:50:31,213 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_residue [2021-12-22 14:50:31,213 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_residue [2021-12-22 14:50:31,213 INFO L130 BoogieDeclarations]: Found specification of procedure sync_output [2021-12-22 14:50:31,213 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_output [2021-12-22 14:50:31,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 14:50:31,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 14:50:31,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 14:50:31,213 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2021-12-22 14:50:31,213 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2021-12-22 14:50:31,214 INFO L130 BoogieDeclarations]: Found specification of procedure open_dmap [2021-12-22 14:50:31,214 INFO L138 BoogieDeclarations]: Found implementation of procedure open_dmap [2021-12-22 14:50:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure release_dma_lock [2021-12-22 14:50:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure release_dma_lock [2021-12-22 14:50:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2021-12-22 14:50:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2021-12-22 14:50:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-22 14:50:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-22 14:50:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure sound_poll [2021-12-22 14:50:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_poll [2021-12-22 14:50:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-22 14:50:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-22 14:50:31,216 INFO L130 BoogieDeclarations]: Found specification of procedure do_sequencer_timer [2021-12-22 14:50:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure do_sequencer_timer [2021-12-22 14:50:31,216 INFO L130 BoogieDeclarations]: Found specification of procedure disable_dma [2021-12-22 14:50:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_dma [2021-12-22 14:50:31,216 INFO L130 BoogieDeclarations]: Found specification of procedure tmr2ticks [2021-12-22 14:50:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr2ticks [2021-12-22 14:50:31,216 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-12-22 14:50:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-12-22 14:50:31,217 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-22 14:50:31,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-22 14:50:31,217 INFO L130 BoogieDeclarations]: Found specification of procedure request_sound_timer [2021-12-22 14:50:31,217 INFO L138 BoogieDeclarations]: Found implementation of procedure request_sound_timer [2021-12-22 14:50:31,217 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_get_buffer_pointer [2021-12-22 14:50:31,217 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_get_buffer_pointer [2021-12-22 14:50:31,217 INFO L130 BoogieDeclarations]: Found specification of procedure sound_write [2021-12-22 14:50:31,217 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_write [2021-12-22 14:50:31,217 INFO L130 BoogieDeclarations]: Found specification of procedure play_event [2021-12-22 14:50:31,217 INFO L138 BoogieDeclarations]: Found implementation of procedure play_event [2021-12-22 14:50:31,218 INFO L130 BoogieDeclarations]: Found specification of procedure reorganize_buffers [2021-12-22 14:50:31,218 INFO L138 BoogieDeclarations]: Found implementation of procedure reorganize_buffers [2021-12-22 14:50:31,218 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-22 14:50:31,218 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-22 14:50:31,218 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-22 14:50:31,218 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-22 14:50:31,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 14:50:31,218 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_ioctl [2021-12-22 14:50:31,218 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_ioctl [2021-12-22 14:50:32,090 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 14:50:32,092 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 14:50:32,506 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 14:50:32,565 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3834: assume 0 != ~tmp___1~2;#res := ~ret~3; [2021-12-22 14:50:32,565 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3834: assume !(0 != ~tmp___1~2);#res := ~ret~3; [2021-12-22 14:50:32,565 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3801: havoc #t~switch120; [2021-12-22 14:50:32,565 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3830: assume #t~switch120; [2021-12-22 14:50:32,566 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3830: assume !#t~switch120;#t~switch120 := true; [2021-12-22 14:50:32,566 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3822: assume 0 != ~tmp___0~8;#res := ~ret~3; [2021-12-22 14:50:32,566 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3822: assume !(0 != ~tmp___0~8);#res := ~ret~3; [2021-12-22 14:50:32,566 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3818: assume #t~switch120; [2021-12-22 14:50:32,566 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3818: assume !#t~switch120;#t~switch120 := #t~switch120 || 16 == ~size; [2021-12-22 14:50:32,566 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume #t~switch120;#res := ~ret~3; [2021-12-22 14:50:32,566 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3814: assume #t~switch120;#res := ~ret~3; [2021-12-22 14:50:32,566 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3814: assume !#t~switch120;#t~switch120 := #t~switch120 || 10 == ~size; [2021-12-22 14:50:32,566 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !#t~switch120;#t~switch120 := #t~switch120 || 2 == ~size; [2021-12-22 14:50:32,566 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3810: assume #t~switch120;#res := ~ret~3; [2021-12-22 14:50:32,567 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3810: assume !#t~switch120;#t~switch120 := #t~switch120 || 8 == ~size; [2021-12-22 14:50:32,567 INFO L766 $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); [2021-12-22 14:50:32,567 INFO L766 $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 [2021-12-22 14:50:32,567 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3806: assume #t~switch120;#res := ~ret~3; [2021-12-22 14:50:32,567 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3806: assume !#t~switch120;#t~switch120 := #t~switch120 || 4 == ~size; [2021-12-22 14:50:32,567 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3833-1: assume -9223372036854775808 <= #t~ret122 && #t~ret122 <= 9223372036854775807;~tmp___1~2 := #t~ret122;havoc #t~ret122; [2021-12-22 14:50:32,567 INFO L766 $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 [2021-12-22 14:50:32,567 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3821-1: assume -9223372036854775808 <= #t~ret121 && #t~ret121 <= 9223372036854775807;~tmp___0~8 := #t~ret121;havoc #t~ret121; [2021-12-22 14:50:32,567 INFO L766 $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 [2021-12-22 14:50:32,568 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3842: assume #t~switch120; [2021-12-22 14:50:32,568 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3842: assume !#t~switch120; [2021-12-22 14:50:38,052 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3736: havoc __copy_from_user_#t~switch115#1; [2021-12-22 14:50:38,053 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3742: assume __copy_from_user_#t~switch115#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-12-22 14:50:38,053 INFO L766 $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; [2021-12-22 14:50:38,053 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3747: assume __copy_from_user_#t~switch115#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-12-22 14:50:38,053 INFO L766 $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; [2021-12-22 14:50:38,053 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3752: assume __copy_from_user_#t~switch115#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-12-22 14:50:38,053 INFO L766 $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; [2021-12-22 14:50:38,053 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3757: assume __copy_from_user_#t~switch115#1; [2021-12-22 14:50:38,053 INFO L766 $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; [2021-12-22 14:50:38,053 INFO L766 $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; [2021-12-22 14:50:38,053 INFO L766 $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 [2021-12-22 14:50:38,053 INFO L766 $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; [2021-12-22 14:50:38,053 INFO L766 $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; [2021-12-22 14:50:38,053 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3770: assume __copy_from_user_#t~switch115#1; [2021-12-22 14:50:38,053 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3770: assume !__copy_from_user_#t~switch115#1;__copy_from_user_#t~switch115#1 := true; [2021-12-22 14:50:38,053 INFO L766 $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 [2021-12-22 14:50:38,053 INFO L766 $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; [2021-12-22 14:50:38,053 INFO L766 $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; [2021-12-22 14:50:38,053 INFO L766 $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; [2021-12-22 14:50:38,053 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3783: assume __copy_from_user_#t~switch115#1; [2021-12-22 14:50:38,054 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3783: assume !__copy_from_user_#t~switch115#1; [2021-12-22 14:50:38,054 INFO L766 $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 [2021-12-22 14:50:38,054 INFO L766 $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); [2021-12-22 14:50:38,054 INFO L766 $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; [2021-12-22 14:50:38,054 INFO L766 $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; [2021-12-22 14:50:38,117 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 14:50:38,134 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 14:50:38,134 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-22 14:50:38,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:50:38 BoogieIcfgContainer [2021-12-22 14:50:38,140 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 14:50:38,141 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 14:50:38,141 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 14:50:38,144 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 14:50:38,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 02:50:27" (1/3) ... [2021-12-22 14:50:38,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d745a9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:50:38, skipping insertion in model container [2021-12-22 14:50:38,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:50:30" (2/3) ... [2021-12-22 14:50:38,145 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d745a9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:50:38, skipping insertion in model container [2021-12-22 14:50:38,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:50:38" (3/3) ... [2021-12-22 14:50:38,146 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-22 14:50:38,149 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 14:50:38,149 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 14:50:38,185 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 14:50:38,189 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 [2021-12-22 14:50:38,189 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 14:50:38,266 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) [2021-12-22 14:50:38,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-12-22 14:50:38,282 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:50:38,283 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] [2021-12-22 14:50:38,283 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:50:38,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:50:38,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1391587723, now seen corresponding path program 1 times [2021-12-22 14:50:38,295 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:50:38,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729277472] [2021-12-22 14:50:38,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:50:38,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:50:38,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:38,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:50:38,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:38,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:38,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:38,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:50:38,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:38,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:50:38,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:38,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:38,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:38,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:50:38,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:38,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 14:50:38,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:38,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:38,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:38,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:50:38,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:38,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 14:50:38,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:38,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:38,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:38,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:50:38,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:38,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 14:50:38,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:38,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:38,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:38,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:50:38,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:38,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 14:50:39,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:39,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:39,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:39,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:50:39,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:39,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-22 14:50:39,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:39,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:39,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:39,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-22 14:50:39,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:39,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:39,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:39,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-22 14:50:39,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:39,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:39,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:39,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-22 14:50:39,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:39,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:39,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:39,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-22 14:50:39,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:39,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:39,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:39,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-22 14:50:39,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:39,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:39,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:39,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-22 14:50:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:39,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:39,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:39,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-22 14:50:39,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:39,232 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2021-12-22 14:50:39,234 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:50:39,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729277472] [2021-12-22 14:50:39,234 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729277472] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:50:39,235 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:50:39,235 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 14:50:39,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735820905] [2021-12-22 14:50:39,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:50:39,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 14:50:39,243 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:50:39,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 14:50:39,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 14:50:39,270 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) [2021-12-22 14:50:47,090 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:50:49,515 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:50:52,767 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-22 14:50:54,844 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-22 14:50:56,917 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-22 14:51:00,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:51:00,524 INFO L93 Difference]: Finished difference Result 8367 states and 13217 transitions. [2021-12-22 14:51:00,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 14:51:00,530 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 [2021-12-22 14:51:00,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:51:00,577 INFO L225 Difference]: With dead ends: 8367 [2021-12-22 14:51:00,577 INFO L226 Difference]: Without dead ends: 4519 [2021-12-22 14:51:00,599 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 [2021-12-22 14:51:00,602 INFO L933 BasicCegarLoop]: 5472 mSDtfsCounter, 3639 mSDsluCounter, 7451 mSDsCounter, 0 mSdLazyCounter, 4581 mSolverCounterSat, 2312 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3690 SdHoareTripleChecker+Valid, 12923 SdHoareTripleChecker+Invalid, 6897 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2312 IncrementalHoareTripleChecker+Valid, 4581 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.5s IncrementalHoareTripleChecker+Time [2021-12-22 14:51:00,605 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3690 Valid, 12923 Invalid, 6897 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2312 Valid, 4581 Invalid, 4 Unknown, 0 Unchecked, 20.5s Time] [2021-12-22 14:51:00,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4519 states. [2021-12-22 14:51:00,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4519 to 3823. [2021-12-22 14:51:00,807 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) [2021-12-22 14:51:00,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3823 states to 3823 states and 5910 transitions. [2021-12-22 14:51:00,833 INFO L78 Accepts]: Start accepts. Automaton has 3823 states and 5910 transitions. Word has length 192 [2021-12-22 14:51:00,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:51:00,833 INFO L470 AbstractCegarLoop]: Abstraction has 3823 states and 5910 transitions. [2021-12-22 14:51:00,834 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) [2021-12-22 14:51:00,834 INFO L276 IsEmpty]: Start isEmpty. Operand 3823 states and 5910 transitions. [2021-12-22 14:51:00,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-12-22 14:51:00,839 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:51:00,839 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] [2021-12-22 14:51:00,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 14:51:00,840 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:51:00,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:51:00,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1053851753, now seen corresponding path program 1 times [2021-12-22 14:51:00,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:51:00,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261822555] [2021-12-22 14:51:00,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:51:00,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:51:00,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:01,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:51:01,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:01,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:01,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:01,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:51:01,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:01,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:51:01,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:01,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:01,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:01,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:51:01,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:01,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 14:51:01,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:01,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:01,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:01,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:51:01,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:01,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 14:51:01,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:01,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:01,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:01,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:51:01,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:01,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 14:51:01,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:01,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:01,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:01,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:51:01,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:01,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 14:51:01,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:01,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:01,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:01,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:51:01,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:01,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-22 14:51:01,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:01,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:01,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:01,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-22 14:51:01,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:01,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:01,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:01,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-22 14:51:01,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:01,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:01,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:01,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-22 14:51:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:01,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:01,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:01,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-22 14:51:01,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:01,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:01,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:01,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-22 14:51:01,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:01,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:01,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:01,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-22 14:51:01,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:01,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:01,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:01,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-22 14:51:01,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:01,362 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2021-12-22 14:51:01,362 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:51:01,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261822555] [2021-12-22 14:51:01,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261822555] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:51:01,363 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:51:01,363 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 14:51:01,363 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109560341] [2021-12-22 14:51:01,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:51:01,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 14:51:01,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:51:01,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 14:51:01,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 14:51:01,366 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) [2021-12-22 14:51:12,388 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 [] [2021-12-22 14:51:14,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:51:14,501 INFO L93 Difference]: Finished difference Result 9651 states and 15121 transitions. [2021-12-22 14:51:14,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 14:51:14,502 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 [2021-12-22 14:51:14,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:51:14,580 INFO L225 Difference]: With dead ends: 9651 [2021-12-22 14:51:14,581 INFO L226 Difference]: Without dead ends: 5857 [2021-12-22 14:51:14,594 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 [2021-12-22 14:51:14,595 INFO L933 BasicCegarLoop]: 5646 mSDtfsCounter, 9666 mSDsluCounter, 7668 mSDsCounter, 0 mSdLazyCounter, 3692 mSolverCounterSat, 4668 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9834 SdHoareTripleChecker+Valid, 13314 SdHoareTripleChecker+Invalid, 8361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4668 IncrementalHoareTripleChecker+Valid, 3692 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2021-12-22 14:51:14,597 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9834 Valid, 13314 Invalid, 8361 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4668 Valid, 3692 Invalid, 1 Unknown, 0 Unchecked, 12.6s Time] [2021-12-22 14:51:14,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5857 states. [2021-12-22 14:51:14,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5857 to 4938. [2021-12-22 14:51:14,823 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) [2021-12-22 14:51:14,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4938 states to 4938 states and 7580 transitions. [2021-12-22 14:51:14,836 INFO L78 Accepts]: Start accepts. Automaton has 4938 states and 7580 transitions. Word has length 192 [2021-12-22 14:51:14,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:51:14,838 INFO L470 AbstractCegarLoop]: Abstraction has 4938 states and 7580 transitions. [2021-12-22 14:51:14,839 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) [2021-12-22 14:51:14,840 INFO L276 IsEmpty]: Start isEmpty. Operand 4938 states and 7580 transitions. [2021-12-22 14:51:14,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-12-22 14:51:14,841 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:51:14,842 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] [2021-12-22 14:51:14,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 14:51:14,842 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:51:14,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:51:14,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1833513696, now seen corresponding path program 1 times [2021-12-22 14:51:14,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:51:14,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654605395] [2021-12-22 14:51:14,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:51:14,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:51:14,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:15,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:51:15,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:15,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:15,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:15,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:51:15,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:15,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:51:15,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:15,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:15,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:15,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:51:15,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:15,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 14:51:15,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:15,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:15,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:15,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:51:15,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:15,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 14:51:15,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:15,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:15,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:15,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:51:15,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:15,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 14:51:15,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:15,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:15,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:15,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:51:15,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:15,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 14:51:15,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:15,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:15,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:51:15,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:15,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-22 14:51:15,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:15,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:15,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:15,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-22 14:51:15,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:15,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:15,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:15,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-22 14:51:15,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:15,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:15,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:15,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-22 14:51:15,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:15,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:15,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-22 14:51:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:15,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:15,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:15,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-22 14:51:15,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:15,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:15,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-22 14:51:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:15,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:15,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:15,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-22 14:51:15,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:15,290 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2021-12-22 14:51:15,290 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:51:15,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654605395] [2021-12-22 14:51:15,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654605395] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:51:15,290 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:51:15,290 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 14:51:15,291 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108645276] [2021-12-22 14:51:15,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:51:15,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 14:51:15,292 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:51:15,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 14:51:15,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 14:51:15,292 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) [2021-12-22 14:51:23,724 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 [] [2021-12-22 14:51:24,958 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:51:27,936 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers []