./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-validator-v0.6/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-validator-v0.6/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fa2b7015249343fdf8056852ea29542152fe4e2fe5328579e80867d2e6b2b327 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 16:22:02,278 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 16:22:02,279 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 16:22:02,333 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 16:22:02,334 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 16:22:02,335 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 16:22:02,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 16:22:02,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 16:22:02,338 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 16:22:02,339 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 16:22:02,340 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 16:22:02,341 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 16:22:02,341 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 16:22:02,342 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 16:22:02,343 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 16:22:02,344 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 16:22:02,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 16:22:02,345 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 16:22:02,346 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 16:22:02,348 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 16:22:02,349 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 16:22:02,356 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 16:22:02,357 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 16:22:02,358 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 16:22:02,361 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 16:22:02,366 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 16:22:02,366 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 16:22:02,367 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 16:22:02,368 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 16:22:02,368 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 16:22:02,369 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 16:22:02,369 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 16:22:02,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 16:22:02,371 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 16:22:02,372 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 16:22:02,373 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 16:22:02,374 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 16:22:02,374 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 16:22:02,374 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 16:22:02,375 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 16:22:02,376 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 16:22:02,377 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 16:22:02,406 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 16:22:02,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 16:22:02,407 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 16:22:02,407 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 16:22:02,408 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 16:22:02,408 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 16:22:02,408 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 16:22:02,409 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 16:22:02,409 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 16:22:02,409 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 16:22:02,410 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 16:22:02,410 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 16:22:02,410 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 16:22:02,410 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 16:22:02,411 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 16:22:02,411 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 16:22:02,411 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 16:22:02,411 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 16:22:02,411 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 16:22:02,411 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 16:22:02,412 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 16:22:02,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:22:02,412 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 16:22:02,412 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 16:22:02,412 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 16:22:02,413 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 16:22:02,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 16:22:02,413 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 16:22:02,413 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 16:22:02,413 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 16:22:02,413 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 16:22:02,414 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa2b7015249343fdf8056852ea29542152fe4e2fe5328579e80867d2e6b2b327 [2021-12-21 16:22:02,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 16:22:02,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 16:22:02,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 16:22:02,627 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 16:22:02,628 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 16:22:02,628 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.6/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i [2021-12-21 16:22:02,679 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f52b54b6/505d72f652e04c3fba0b6dacae7e3913/FLAG3e9976040 [2021-12-21 16:22:03,478 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 16:22:03,479 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i [2021-12-21 16:22:03,544 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f52b54b6/505d72f652e04c3fba0b6dacae7e3913/FLAG3e9976040 [2021-12-21 16:22:03,966 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f52b54b6/505d72f652e04c3fba0b6dacae7e3913 [2021-12-21 16:22:03,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 16:22:03,969 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 16:22:03,970 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 16:22:03,970 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 16:22:03,973 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 16:22:03,973 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:22:03" (1/1) ... [2021-12-21 16:22:03,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23cbc122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:22:03, skipping insertion in model container [2021-12-21 16:22:03,975 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:22:03" (1/1) ... [2021-12-21 16:22:03,980 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 16:22:04,129 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 16:22:04,783 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i[81795,81808] [2021-12-21 16:22:06,929 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:22:07,005 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 16:22:07,072 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i[81795,81808] [2021-12-21 16:22:07,402 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:22:07,575 INFO L208 MainTranslator]: Completed translation [2021-12-21 16:22:07,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:22:07 WrapperNode [2021-12-21 16:22:07,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 16:22:07,578 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 16:22:07,578 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 16:22:07,579 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 16:22:07,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:22:07" (1/1) ... [2021-12-21 16:22:07,751 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:22:07" (1/1) ... [2021-12-21 16:22:08,050 INFO L137 Inliner]: procedures = 414, calls = 5134, calls flagged for inlining = 149, calls inlined = 134, statements flattened = 10048 [2021-12-21 16:22:08,051 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 16:22:08,052 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 16:22:08,052 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 16:22:08,052 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 16:22:08,060 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:22:07" (1/1) ... [2021-12-21 16:22:08,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:22:07" (1/1) ... [2021-12-21 16:22:08,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:22:07" (1/1) ... [2021-12-21 16:22:08,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:22:07" (1/1) ... [2021-12-21 16:22:08,359 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:22:07" (1/1) ... [2021-12-21 16:22:08,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:22:07" (1/1) ... [2021-12-21 16:22:08,446 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:22:07" (1/1) ... [2021-12-21 16:22:08,504 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 16:22:08,506 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 16:22:08,506 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 16:22:08,506 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 16:22:08,507 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:22:07" (1/1) ... [2021-12-21 16:22:08,514 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:22:08,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:22:08,541 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) [2021-12-21 16:22:08,561 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 [2021-12-21 16:22:08,585 INFO L130 BoogieDeclarations]: Found specification of procedure timer_open [2021-12-21 16:22:08,585 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_open [2021-12-21 16:22:08,585 INFO L130 BoogieDeclarations]: Found specification of procedure poll_def_tmr [2021-12-21 16:22:08,585 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_def_tmr [2021-12-21 16:22:08,585 INFO L130 BoogieDeclarations]: Found specification of procedure timer_event [2021-12-21 16:22:08,585 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_event [2021-12-21 16:22:08,586 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_channels [2021-12-21 16:22:08,586 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_channels [2021-12-21 16:22:08,586 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-21 16:22:08,586 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-21 16:22:08,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 16:22:08,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 16:22:08,586 INFO L130 BoogieDeclarations]: Found specification of procedure dma_reset_output [2021-12-21 16:22:08,587 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_reset_output [2021-12-21 16:22:08,587 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~TO~int [2021-12-21 16:22:08,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~TO~int [2021-12-21 16:22:08,587 INFO L130 BoogieDeclarations]: Found specification of procedure seq_input_event [2021-12-21 16:22:08,587 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_input_event [2021-12-21 16:22:08,588 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_release [2021-12-21 16:22:08,588 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_release [2021-12-21 16:22:08,588 INFO L130 BoogieDeclarations]: Found specification of procedure local_start_dma [2021-12-21 16:22:08,588 INFO L138 BoogieDeclarations]: Found implementation of procedure local_start_dma [2021-12-21 16:22:08,588 INFO L130 BoogieDeclarations]: Found specification of procedure translate_bytes [2021-12-21 16:22:08,588 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_bytes [2021-12-21 16:22:08,588 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2021-12-21 16:22:08,589 INFO L130 BoogieDeclarations]: Found specification of procedure seq_copy_to_input [2021-12-21 16:22:08,589 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_copy_to_input [2021-12-21 16:22:08,589 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-21 16:22:08,589 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-21 16:22:08,589 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_sync [2021-12-21 16:22:08,589 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_sync [2021-12-21 16:22:08,589 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~$Pointer$~TO~int [2021-12-21 16:22:08,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~$Pointer$~TO~int [2021-12-21 16:22:08,590 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_launch_output [2021-12-21 16:22:08,590 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_launch_output [2021-12-21 16:22:08,590 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-21 16:22:08,590 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-21 16:22:08,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_soundcard_mutex [2021-12-21 16:22:08,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_soundcard_mutex [2021-12-21 16:22:08,591 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-21 16:22:08,591 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-21 16:22:08,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 16:22:08,591 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_space_in_queue [2021-12-21 16:22:08,591 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_space_in_queue [2021-12-21 16:22:08,591 INFO L130 BoogieDeclarations]: Found specification of procedure timer_get_time [2021-12-21 16:22:08,591 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_get_time [2021-12-21 16:22:08,592 INFO L130 BoogieDeclarations]: Found specification of procedure enable_dma [2021-12-21 16:22:08,592 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_dma [2021-12-21 16:22:08,592 INFO L130 BoogieDeclarations]: Found specification of procedure timer_ioctl [2021-12-21 16:22:08,592 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_ioctl [2021-12-21 16:22:08,593 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-21 16:22:08,593 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-21 16:22:08,593 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-12-21 16:22:08,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-12-21 16:22:08,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 16:22:08,593 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-21 16:22:08,594 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-21 16:22:08,595 INFO L130 BoogieDeclarations]: Found specification of procedure sound_mixer_ioctl [2021-12-21 16:22:08,595 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_mixer_ioctl [2021-12-21 16:22:08,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 16:22:08,596 INFO L130 BoogieDeclarations]: Found specification of procedure midi_poll [2021-12-21 16:22:08,596 INFO L138 BoogieDeclarations]: Found implementation of procedure midi_poll [2021-12-21 16:22:08,596 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_arm [2021-12-21 16:22:08,596 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_arm [2021-12-21 16:22:08,596 INFO L130 BoogieDeclarations]: Found specification of procedure dma_subdivide [2021-12-21 16:22:08,596 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_subdivide [2021-12-21 16:22:08,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 16:22:08,597 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_activate_recording [2021-12-21 16:22:08,597 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_activate_recording [2021-12-21 16:22:08,597 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-21 16:22:08,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-21 16:22:08,597 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user [2021-12-21 16:22:08,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user [2021-12-21 16:22:08,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-21 16:22:08,598 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-21 16:22:08,598 INFO L130 BoogieDeclarations]: Found specification of procedure seq_sync [2021-12-21 16:22:08,598 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_sync [2021-12-21 16:22:08,599 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_bits [2021-12-21 16:22:08,599 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_bits [2021-12-21 16:22:08,599 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_sound_special [2021-12-21 16:22:08,599 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_sound_special [2021-12-21 16:22:08,599 INFO L130 BoogieDeclarations]: Found specification of procedure close_dmap [2021-12-21 16:22:08,599 INFO L138 BoogieDeclarations]: Found implementation of procedure close_dmap [2021-12-21 16:22:08,599 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_close [2021-12-21 16:22:08,600 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_close [2021-12-21 16:22:08,600 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2021-12-21 16:22:08,600 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-21 16:22:08,600 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-21 16:22:08,600 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-21 16:22:08,600 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-21 16:22:08,600 INFO L130 BoogieDeclarations]: Found specification of procedure timer_arm [2021-12-21 16:22:08,601 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_arm [2021-12-21 16:22:08,601 INFO L130 BoogieDeclarations]: Found specification of procedure register_sound_special [2021-12-21 16:22:08,601 INFO L138 BoogieDeclarations]: Found implementation of procedure register_sound_special [2021-12-21 16:22:08,601 INFO L130 BoogieDeclarations]: Found specification of procedure sound_mmap [2021-12-21 16:22:08,601 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_mmap [2021-12-21 16:22:08,601 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2021-12-21 16:22:08,601 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2021-12-21 16:22:08,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 16:22:08,601 INFO L130 BoogieDeclarations]: Found specification of procedure claim_dma_lock [2021-12-21 16:22:08,601 INFO L138 BoogieDeclarations]: Found implementation of procedure claim_dma_lock [2021-12-21 16:22:08,601 INFO L130 BoogieDeclarations]: Found specification of procedure timer_close [2021-12-21 16:22:08,601 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_close [2021-12-21 16:22:08,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 16:22:08,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 16:22:08,602 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-21 16:22:08,602 INFO L130 BoogieDeclarations]: Found specification of procedure dma_reset_input [2021-12-21 16:22:08,602 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_reset_input [2021-12-21 16:22:08,602 INFO L130 BoogieDeclarations]: Found specification of procedure interruptible_sleep_on_timeout [2021-12-21 16:22:08,602 INFO L138 BoogieDeclarations]: Found implementation of procedure interruptible_sleep_on_timeout [2021-12-21 16:22:08,602 INFO L130 BoogieDeclarations]: Found specification of procedure set_format [2021-12-21 16:22:08,602 INFO L138 BoogieDeclarations]: Found implementation of procedure set_format [2021-12-21 16:22:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_reset [2021-12-21 16:22:08,603 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_reset [2021-12-21 16:22:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2021-12-21 16:22:08,603 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2021-12-21 16:22:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure seq_reset [2021-12-21 16:22:08,603 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_reset [2021-12-21 16:22:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2021-12-21 16:22:08,604 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2021-12-21 16:22:08,604 INFO L130 BoogieDeclarations]: Found specification of procedure seq_drain_midi_queues [2021-12-21 16:22:08,604 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_drain_midi_queues [2021-12-21 16:22:08,604 INFO L130 BoogieDeclarations]: Found specification of procedure dma_ioctl [2021-12-21 16:22:08,604 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_ioctl [2021-12-21 16:22:08,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_soundcard_mutex [2021-12-21 16:22:08,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_soundcard_mutex [2021-12-21 16:22:08,605 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2021-12-21 16:22:08,605 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2021-12-21 16:22:08,605 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~X~int~TO~int [2021-12-21 16:22:08,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~X~int~TO~int [2021-12-21 16:22:08,605 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~VOID [2021-12-21 16:22:08,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~VOID [2021-12-21 16:22:08,605 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-21 16:22:08,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-21 16:22:08,606 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2021-12-21 16:22:08,606 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2021-12-21 16:22:08,606 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-21 16:22:08,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-21 16:22:08,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 16:22:08,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 16:22:08,606 INFO L130 BoogieDeclarations]: Found specification of procedure seq_startplay [2021-12-21 16:22:08,607 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_startplay [2021-12-21 16:22:08,607 INFO L130 BoogieDeclarations]: Found specification of procedure clear_dma_ff [2021-12-21 16:22:08,607 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_dma_ff [2021-12-21 16:22:08,607 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~TO~VOID [2021-12-21 16:22:08,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~TO~VOID [2021-12-21 16:22:08,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-21 16:22:08,607 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-21 16:22:08,607 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-12-21 16:22:08,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-12-21 16:22:08,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 16:22:08,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 16:22:08,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 16:22:08,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 16:22:08,608 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-21 16:22:08,608 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-21 16:22:08,609 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-21 16:22:08,609 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2021-12-21 16:22:08,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2021-12-21 16:22:08,609 INFO L130 BoogieDeclarations]: Found specification of procedure translate_mode [2021-12-21 16:22:08,609 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_mode [2021-12-21 16:22:08,609 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get___0 [2021-12-21 16:22:08,609 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get___0 [2021-12-21 16:22:08,609 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_move_wrpointer [2021-12-21 16:22:08,610 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_move_wrpointer [2021-12-21 16:22:08,610 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-21 16:22:08,610 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-21 16:22:08,610 INFO L130 BoogieDeclarations]: Found specification of procedure tmr_reset [2021-12-21 16:22:08,610 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr_reset [2021-12-21 16:22:08,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-21 16:22:08,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-21 16:22:08,611 INFO L130 BoogieDeclarations]: Found specification of procedure sound_stop_timer [2021-12-21 16:22:08,611 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_stop_timer [2021-12-21 16:22:08,611 INFO L130 BoogieDeclarations]: Found specification of procedure tmr2ticks___0 [2021-12-21 16:22:08,611 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr2ticks___0 [2021-12-21 16:22:08,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 16:22:08,611 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 16:22:08,611 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-21 16:22:08,611 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-21 16:22:08,612 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-21 16:22:08,612 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-21 16:22:08,612 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-21 16:22:08,612 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-21 16:22:08,612 INFO L130 BoogieDeclarations]: Found specification of procedure tmr_reset___0 [2021-12-21 16:22:08,612 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr_reset___0 [2021-12-21 16:22:08,612 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~X~int~TO~VOID [2021-12-21 16:22:08,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~X~int~TO~VOID [2021-12-21 16:22:08,613 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2021-12-21 16:22:08,613 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2021-12-21 16:22:08,613 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2021-12-21 16:22:08,613 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2021-12-21 16:22:08,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 16:22:08,613 INFO L130 BoogieDeclarations]: Found specification of procedure sound_free_dmap [2021-12-21 16:22:08,613 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_free_dmap [2021-12-21 16:22:08,614 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2021-12-21 16:22:08,614 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2021-12-21 16:22:08,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 16:22:08,614 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-21 16:22:08,614 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-21 16:22:08,614 INFO L130 BoogieDeclarations]: Found specification of procedure reprogram_timer [2021-12-21 16:22:08,614 INFO L138 BoogieDeclarations]: Found implementation of procedure reprogram_timer [2021-12-21 16:22:08,614 INFO L130 BoogieDeclarations]: Found specification of procedure midi_outc___0 [2021-12-21 16:22:08,615 INFO L138 BoogieDeclarations]: Found implementation of procedure midi_outc___0 [2021-12-21 16:22:08,615 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-21 16:22:08,615 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-21 16:22:08,615 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~int [2021-12-21 16:22:08,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~int [2021-12-21 16:22:08,615 INFO L130 BoogieDeclarations]: Found specification of procedure dmabuf_timeout [2021-12-21 16:22:08,615 INFO L138 BoogieDeclarations]: Found implementation of procedure dmabuf_timeout [2021-12-21 16:22:08,616 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info___0 [2021-12-21 16:22:08,616 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info___0 [2021-12-21 16:22:08,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 16:22:08,616 INFO L130 BoogieDeclarations]: Found specification of procedure module_is_live [2021-12-21 16:22:08,616 INFO L138 BoogieDeclarations]: Found implementation of procedure module_is_live [2021-12-21 16:22:08,616 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-21 16:22:08,616 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-21 16:22:08,617 INFO L130 BoogieDeclarations]: Found specification of procedure sound_start_dma [2021-12-21 16:22:08,617 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_start_dma [2021-12-21 16:22:08,617 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_event [2021-12-21 16:22:08,617 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_event [2021-12-21 16:22:08,617 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-21 16:22:08,617 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-21 16:22:08,617 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-21 16:22:08,617 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-21 16:22:08,618 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_open [2021-12-21 16:22:08,618 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_open [2021-12-21 16:22:08,618 INFO L130 BoogieDeclarations]: Found specification of procedure do_midi_msg [2021-12-21 16:22:08,618 INFO L138 BoogieDeclarations]: Found implementation of procedure do_midi_msg [2021-12-21 16:22:08,618 INFO L130 BoogieDeclarations]: Found specification of procedure interruptible_sleep_on [2021-12-21 16:22:08,618 INFO L138 BoogieDeclarations]: Found implementation of procedure interruptible_sleep_on [2021-12-21 16:22:08,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-21 16:22:08,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-21 16:22:08,619 INFO L130 BoogieDeclarations]: Found specification of procedure waitqueue_active [2021-12-21 16:22:08,619 INFO L138 BoogieDeclarations]: Found implementation of procedure waitqueue_active [2021-12-21 16:22:08,619 INFO L130 BoogieDeclarations]: Found specification of procedure sound_alloc_dmap [2021-12-21 16:22:08,619 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_alloc_dmap [2021-12-21 16:22:08,619 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_fragment [2021-12-21 16:22:08,619 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_fragment [2021-12-21 16:22:08,619 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_get_time [2021-12-21 16:22:08,619 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_get_time [2021-12-21 16:22:08,620 INFO L130 BoogieDeclarations]: Found specification of procedure sequencer_timer [2021-12-21 16:22:08,620 INFO L138 BoogieDeclarations]: Found implementation of procedure sequencer_timer [2021-12-21 16:22:08,620 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_speed [2021-12-21 16:22:08,620 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_speed [2021-12-21 16:22:08,620 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-12-21 16:22:08,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-12-21 16:22:08,620 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_residue [2021-12-21 16:22:08,623 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_residue [2021-12-21 16:22:08,623 INFO L130 BoogieDeclarations]: Found specification of procedure sync_output [2021-12-21 16:22:08,624 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_output [2021-12-21 16:22:08,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 16:22:08,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 16:22:08,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 16:22:08,625 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2021-12-21 16:22:08,625 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2021-12-21 16:22:08,625 INFO L130 BoogieDeclarations]: Found specification of procedure open_dmap [2021-12-21 16:22:08,630 INFO L138 BoogieDeclarations]: Found implementation of procedure open_dmap [2021-12-21 16:22:08,630 INFO L130 BoogieDeclarations]: Found specification of procedure release_dma_lock [2021-12-21 16:22:08,630 INFO L138 BoogieDeclarations]: Found implementation of procedure release_dma_lock [2021-12-21 16:22:08,631 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2021-12-21 16:22:08,631 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2021-12-21 16:22:08,631 INFO L130 BoogieDeclarations]: Found specification of procedure sound_poll [2021-12-21 16:22:08,631 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_poll [2021-12-21 16:22:08,631 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-21 16:22:08,631 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-21 16:22:08,631 INFO L130 BoogieDeclarations]: Found specification of procedure do_sequencer_timer [2021-12-21 16:22:08,631 INFO L138 BoogieDeclarations]: Found implementation of procedure do_sequencer_timer [2021-12-21 16:22:08,632 INFO L130 BoogieDeclarations]: Found specification of procedure disable_dma [2021-12-21 16:22:08,632 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_dma [2021-12-21 16:22:08,632 INFO L130 BoogieDeclarations]: Found specification of procedure tmr2ticks [2021-12-21 16:22:08,632 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr2ticks [2021-12-21 16:22:08,632 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-12-21 16:22:08,632 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-12-21 16:22:08,632 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-21 16:22:08,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-21 16:22:08,632 INFO L130 BoogieDeclarations]: Found specification of procedure request_sound_timer [2021-12-21 16:22:08,633 INFO L138 BoogieDeclarations]: Found implementation of procedure request_sound_timer [2021-12-21 16:22:08,633 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_get_buffer_pointer [2021-12-21 16:22:08,633 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_get_buffer_pointer [2021-12-21 16:22:08,633 INFO L130 BoogieDeclarations]: Found specification of procedure sound_write [2021-12-21 16:22:08,633 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_write [2021-12-21 16:22:08,633 INFO L130 BoogieDeclarations]: Found specification of procedure play_event [2021-12-21 16:22:08,633 INFO L138 BoogieDeclarations]: Found implementation of procedure play_event [2021-12-21 16:22:08,633 INFO L130 BoogieDeclarations]: Found specification of procedure reorganize_buffers [2021-12-21 16:22:08,634 INFO L138 BoogieDeclarations]: Found implementation of procedure reorganize_buffers [2021-12-21 16:22:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-21 16:22:08,634 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-21 16:22:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-21 16:22:08,634 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-21 16:22:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 16:22:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_ioctl [2021-12-21 16:22:08,634 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_ioctl [2021-12-21 16:22:09,641 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 16:22:09,647 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 16:22:10,142 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 16:22:10,237 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3836: assume 0 != ~tmp___1~3;#res := ~ret~3; [2021-12-21 16:22:10,238 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3836: assume !(0 != ~tmp___1~3);#res := ~ret~3; [2021-12-21 16:22:10,238 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3803: havoc #t~switch115; [2021-12-21 16:22:10,238 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3832: assume #t~switch115; [2021-12-21 16:22:10,238 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3832: assume !#t~switch115;#t~switch115 := true; [2021-12-21 16:22:10,238 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3824: assume 0 != ~tmp___0~8;#res := ~ret~3; [2021-12-21 16:22:10,238 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3824: assume !(0 != ~tmp___0~8);#res := ~ret~3; [2021-12-21 16:22:10,238 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3820: assume #t~switch115; [2021-12-21 16:22:10,239 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3820: assume !#t~switch115;#t~switch115 := #t~switch115 || 16 == ~size; [2021-12-21 16:22:10,239 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3816: assume #t~switch115;#res := ~ret~3; [2021-12-21 16:22:10,239 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3816: assume !#t~switch115;#t~switch115 := #t~switch115 || 10 == ~size; [2021-12-21 16:22:10,239 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume #t~switch115;#res := ~ret~3; [2021-12-21 16:22:10,239 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3812: assume #t~switch115;#res := ~ret~3; [2021-12-21 16:22:10,239 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3812: assume !#t~switch115;#t~switch115 := #t~switch115 || 8 == ~size; [2021-12-21 16:22:10,239 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3845-1: ~tmp___2~2 := #t~ret118;havoc #t~ret118;#res := (if ~tmp___2~2 % 18446744073709551616 % 4294967296 <= 2147483647 then ~tmp___2~2 % 18446744073709551616 % 4294967296 else ~tmp___2~2 % 18446744073709551616 % 4294967296 - 4294967296); [2021-12-21 16:22:10,240 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3845: SUMMARY for call #t~ret118 := copy_user_generic(~dst.base, ~dst.offset, ~src.base, ~src.offset, ~size); srcloc: null [2021-12-21 16:22:10,240 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !#t~switch115;#t~switch115 := #t~switch115 || 2 == ~size; [2021-12-21 16:22:10,240 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3808: assume #t~switch115;#res := ~ret~3; [2021-12-21 16:22:10,240 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3808: assume !#t~switch115;#t~switch115 := #t~switch115 || 4 == ~size; [2021-12-21 16:22:10,240 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3835-1: assume -9223372036854775808 <= #t~ret117 && #t~ret117 <= 9223372036854775807;~tmp___1~3 := #t~ret117;havoc #t~ret117; [2021-12-21 16:22:10,240 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3835: SUMMARY for call #t~ret117 := ldv__builtin_expect((if 0 != ~ret~3 then 1 else 0), 0); srcloc: null [2021-12-21 16:22:10,240 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3823-1: assume -9223372036854775808 <= #t~ret116 && #t~ret116 <= 9223372036854775807;~tmp___0~8 := #t~ret116;havoc #t~ret116; [2021-12-21 16:22:10,241 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3823: SUMMARY for call #t~ret116 := ldv__builtin_expect((if 0 != ~ret~3 then 1 else 0), 0); srcloc: null [2021-12-21 16:22:10,241 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3844: assume #t~switch115; [2021-12-21 16:22:10,241 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3844: assume !#t~switch115; [2021-12-21 16:22:20,408 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3738: havoc __copy_from_user_#t~switch110#1; [2021-12-21 16:22:20,408 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3744: assume __copy_from_user_#t~switch110#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-12-21 16:22:20,409 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3744: assume !__copy_from_user_#t~switch110#1;__copy_from_user_#t~switch110#1 := __copy_from_user_#t~switch110#1 || 4 == __copy_from_user_~size#1; [2021-12-21 16:22:20,409 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3749: assume __copy_from_user_#t~switch110#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-12-21 16:22:20,409 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3749: assume !__copy_from_user_#t~switch110#1;__copy_from_user_#t~switch110#1 := __copy_from_user_#t~switch110#1 || 8 == __copy_from_user_~size#1; [2021-12-21 16:22:20,409 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3754: assume __copy_from_user_#t~switch110#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-12-21 16:22:20,409 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3754: assume !__copy_from_user_#t~switch110#1;__copy_from_user_#t~switch110#1 := __copy_from_user_#t~switch110#1 || 10 == __copy_from_user_~size#1; [2021-12-21 16:22:20,409 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3759: assume __copy_from_user_#t~switch110#1; [2021-12-21 16:22:20,409 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3759: assume !__copy_from_user_#t~switch110#1;__copy_from_user_#t~switch110#1 := __copy_from_user_#t~switch110#1 || 16 == __copy_from_user_~size#1; [2021-12-21 16:22:20,409 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3763-1: assume -9223372036854775808 <= __copy_from_user_#t~ret111#1 && __copy_from_user_#t~ret111#1 <= 9223372036854775807;__copy_from_user_~tmp___0~7#1 := __copy_from_user_#t~ret111#1;havoc __copy_from_user_#t~ret111#1; [2021-12-21 16:22:20,409 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3763: SUMMARY for call __copy_from_user_#t~ret111#1 := ldv__builtin_expect((if 0 != __copy_from_user_~ret~2#1 then 1 else 0), 0); srcloc: null [2021-12-21 16:22:20,409 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3764: assume 0 != __copy_from_user_~tmp___0~7#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-12-21 16:22:20,409 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3764: assume !(0 != __copy_from_user_~tmp___0~7#1);__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-12-21 16:22:20,409 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3772: assume __copy_from_user_#t~switch110#1; [2021-12-21 16:22:20,409 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3772: assume !__copy_from_user_#t~switch110#1;__copy_from_user_#t~switch110#1 := true; [2021-12-21 16:22:20,409 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3776: SUMMARY for call __copy_from_user_#t~ret112#1 := ldv__builtin_expect((if 0 != __copy_from_user_~ret~2#1 then 1 else 0), 0); srcloc: null [2021-12-21 16:22:20,410 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3776-1: assume -9223372036854775808 <= __copy_from_user_#t~ret112#1 && __copy_from_user_#t~ret112#1 <= 9223372036854775807;__copy_from_user_~tmp___1~2#1 := __copy_from_user_#t~ret112#1;havoc __copy_from_user_#t~ret112#1; [2021-12-21 16:22:20,410 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3777: assume 0 != __copy_from_user_~tmp___1~2#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-12-21 16:22:20,410 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3777: assume !(0 != __copy_from_user_~tmp___1~2#1);__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-12-21 16:22:20,410 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3785: assume __copy_from_user_#t~switch110#1; [2021-12-21 16:22:20,410 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3785: assume !__copy_from_user_#t~switch110#1; [2021-12-21 16:22:20,410 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3786: SUMMARY for call __copy_from_user_#t~ret113#1 := copy_user_generic(__copy_from_user_~dst#1.base, __copy_from_user_~dst#1.offset, __copy_from_user_~src#1.base, __copy_from_user_~src#1.offset, __copy_from_user_~size#1); srcloc: null [2021-12-21 16:22:20,410 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3786-1: __copy_from_user_~tmp___2~1#1 := __copy_from_user_#t~ret113#1;havoc __copy_from_user_#t~ret113#1;__copy_from_user_#res#1 := (if __copy_from_user_~tmp___2~1#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_~tmp___2~1#1 % 18446744073709551616 % 4294967296 else __copy_from_user_~tmp___2~1#1 % 18446744073709551616 % 4294967296 - 4294967296); [2021-12-21 16:22:20,410 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##704: assume !__copy_from_user_#t~switch110#1;__copy_from_user_#t~switch110#1 := __copy_from_user_#t~switch110#1 || 2 == __copy_from_user_~size#1; [2021-12-21 16:22:20,410 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##703: assume __copy_from_user_#t~switch110#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-12-21 16:22:20,494 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 16:22:20,527 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 16:22:20,527 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-21 16:22:20,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:22:20 BoogieIcfgContainer [2021-12-21 16:22:20,533 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 16:22:20,534 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 16:22:20,534 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 16:22:20,537 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 16:22:20,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 04:22:03" (1/3) ... [2021-12-21 16:22:20,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21d66561 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:22:20, skipping insertion in model container [2021-12-21 16:22:20,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:22:07" (2/3) ... [2021-12-21 16:22:20,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21d66561 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:22:20, skipping insertion in model container [2021-12-21 16:22:20,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:22:20" (3/3) ... [2021-12-21 16:22:20,542 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i [2021-12-21 16:22:20,546 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 16:22:20,547 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 16:22:20,611 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 16:22:20,618 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 [2021-12-21 16:22:20,618 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 16:22:20,694 INFO L276 IsEmpty]: Start isEmpty. Operand has 3787 states, 2893 states have (on average 1.5074317317663326) internal successors, (4361), 2997 states have internal predecessors, (4361), 757 states have call successors, (757), 136 states have call predecessors, (757), 135 states have return successors, (749), 721 states have call predecessors, (749), 749 states have call successors, (749) [2021-12-21 16:22:20,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-12-21 16:22:20,708 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:22:20,709 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:22:20,710 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:22:20,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:22:20,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1066878759, now seen corresponding path program 1 times [2021-12-21 16:22:20,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:22:20,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892134578] [2021-12-21 16:22:20,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:22:20,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:22:21,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:21,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:22:21,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:21,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 16:22:21,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:21,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:22:21,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:21,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 16:22:21,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:21,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-21 16:22:21,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:21,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 16:22:21,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:21,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 16:22:21,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:21,550 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-12-21 16:22:21,550 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:22:21,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892134578] [2021-12-21 16:22:21,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892134578] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:22:21,553 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:22:21,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 16:22:21,554 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666549472] [2021-12-21 16:22:21,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:22:21,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 16:22:21,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:22:21,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 16:22:21,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 16:22:21,592 INFO L87 Difference]: Start difference. First operand has 3787 states, 2893 states have (on average 1.5074317317663326) internal successors, (4361), 2997 states have internal predecessors, (4361), 757 states have call successors, (757), 136 states have call predecessors, (757), 135 states have return successors, (749), 721 states have call predecessors, (749), 749 states have call successors, (749) Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-21 16:22:31,390 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 [] [2021-12-21 16:22:32,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:22:32,349 INFO L93 Difference]: Finished difference Result 9183 states and 14360 transitions. [2021-12-21 16:22:32,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 16:22:32,351 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 57 [2021-12-21 16:22:32,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:22:32,400 INFO L225 Difference]: With dead ends: 9183 [2021-12-21 16:22:32,400 INFO L226 Difference]: Without dead ends: 5374 [2021-12-21 16:22:32,419 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 16:22:32,421 INFO L933 BasicCegarLoop]: 5662 mSDtfsCounter, 3984 mSDsluCounter, 7291 mSDsCounter, 0 mSdLazyCounter, 3126 mSolverCounterSat, 1369 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4286 SdHoareTripleChecker+Valid, 12953 SdHoareTripleChecker+Invalid, 4496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1369 IncrementalHoareTripleChecker+Valid, 3126 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2021-12-21 16:22:32,422 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4286 Valid, 12953 Invalid, 4496 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1369 Valid, 3126 Invalid, 1 Unknown, 0 Unchecked, 10.3s Time] [2021-12-21 16:22:32,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5374 states. [2021-12-21 16:22:32,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5374 to 4841. [2021-12-21 16:22:32,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4841 states, 3713 states have (on average 1.5025585779692971) internal successors, (5579), 3844 states have internal predecessors, (5579), 935 states have call successors, (935), 193 states have call predecessors, (935), 192 states have return successors, (931), 887 states have call predecessors, (931), 931 states have call successors, (931) [2021-12-21 16:22:32,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4841 states to 4841 states and 7445 transitions. [2021-12-21 16:22:32,721 INFO L78 Accepts]: Start accepts. Automaton has 4841 states and 7445 transitions. Word has length 57 [2021-12-21 16:22:32,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:22:32,721 INFO L470 AbstractCegarLoop]: Abstraction has 4841 states and 7445 transitions. [2021-12-21 16:22:32,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-21 16:22:32,722 INFO L276 IsEmpty]: Start isEmpty. Operand 4841 states and 7445 transitions. [2021-12-21 16:22:32,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-12-21 16:22:32,729 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:22:32,729 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:22:32,729 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 16:22:32,729 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:22:32,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:22:32,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1168157038, now seen corresponding path program 1 times [2021-12-21 16:22:32,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:22:32,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039887909] [2021-12-21 16:22:32,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:22:32,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:22:32,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:33,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:22:33,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:33,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 16:22:33,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:33,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:22:33,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:33,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 16:22:33,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:33,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-21 16:22:33,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:33,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 16:22:33,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:33,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:22:33,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:33,125 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-12-21 16:22:33,126 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:22:33,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039887909] [2021-12-21 16:22:33,126 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039887909] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:22:33,126 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:22:33,126 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 16:22:33,127 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753983780] [2021-12-21 16:22:33,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:22:33,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 16:22:33,128 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:22:33,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 16:22:33,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 16:22:33,132 INFO L87 Difference]: Start difference. First operand 4841 states and 7445 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-21 16:22:41,873 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 [] [2021-12-21 16:22:42,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:22:42,750 INFO L93 Difference]: Finished difference Result 10192 states and 15811 transitions. [2021-12-21 16:22:42,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 16:22:42,751 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 65 [2021-12-21 16:22:42,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:22:42,786 INFO L225 Difference]: With dead ends: 10192 [2021-12-21 16:22:42,786 INFO L226 Difference]: Without dead ends: 5366 [2021-12-21 16:22:42,806 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 16:22:42,807 INFO L933 BasicCegarLoop]: 5490 mSDtfsCounter, 6976 mSDsluCounter, 2402 mSDsCounter, 0 mSdLazyCounter, 1773 mSolverCounterSat, 1595 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7459 SdHoareTripleChecker+Valid, 7892 SdHoareTripleChecker+Invalid, 3369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1595 IncrementalHoareTripleChecker+Valid, 1773 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2021-12-21 16:22:42,808 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7459 Valid, 7892 Invalid, 3369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1595 Valid, 1773 Invalid, 1 Unknown, 0 Unchecked, 9.3s Time] [2021-12-21 16:22:42,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5366 states. [2021-12-21 16:22:43,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5366 to 4841. [2021-12-21 16:22:43,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4841 states, 3713 states have (on average 1.5020199299757608) internal successors, (5577), 3844 states have internal predecessors, (5577), 935 states have call successors, (935), 193 states have call predecessors, (935), 192 states have return successors, (931), 887 states have call predecessors, (931), 931 states have call successors, (931) [2021-12-21 16:22:43,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4841 states to 4841 states and 7443 transitions. [2021-12-21 16:22:43,049 INFO L78 Accepts]: Start accepts. Automaton has 4841 states and 7443 transitions. Word has length 65 [2021-12-21 16:22:43,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:22:43,051 INFO L470 AbstractCegarLoop]: Abstraction has 4841 states and 7443 transitions. [2021-12-21 16:22:43,051 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-21 16:22:43,051 INFO L276 IsEmpty]: Start isEmpty. Operand 4841 states and 7443 transitions. [2021-12-21 16:22:43,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-12-21 16:22:43,052 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:22:43,053 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:22:43,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 16:22:43,053 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:22:43,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:22:43,054 INFO L85 PathProgramCache]: Analyzing trace with hash -420190864, now seen corresponding path program 1 times [2021-12-21 16:22:43,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:22:43,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9476508] [2021-12-21 16:22:43,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:22:43,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:22:43,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:43,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:22:43,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:43,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 16:22:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:43,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:22:43,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:43,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 16:22:43,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:43,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-21 16:22:43,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:43,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 16:22:43,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:43,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:22:43,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:43,408 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-12-21 16:22:43,408 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:22:43,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9476508] [2021-12-21 16:22:43,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9476508] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:22:43,409 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:22:43,409 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 16:22:43,409 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131146840] [2021-12-21 16:22:43,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:22:43,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 16:22:43,412 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:22:43,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 16:22:43,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 16:22:43,415 INFO L87 Difference]: Start difference. First operand 4841 states and 7443 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-21 16:22:51,136 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 [] [2021-12-21 16:22:52,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:22:52,061 INFO L93 Difference]: Finished difference Result 5381 states and 8398 transitions. [2021-12-21 16:22:52,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 16:22:52,061 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 65 [2021-12-21 16:22:52,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:22:52,095 INFO L225 Difference]: With dead ends: 5381 [2021-12-21 16:22:52,096 INFO L226 Difference]: Without dead ends: 5378 [2021-12-21 16:22:52,101 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 16:22:52,106 INFO L933 BasicCegarLoop]: 5504 mSDtfsCounter, 6953 mSDsluCounter, 2428 mSDsCounter, 0 mSdLazyCounter, 1782 mSolverCounterSat, 1591 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7436 SdHoareTripleChecker+Valid, 7932 SdHoareTripleChecker+Invalid, 3374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1591 IncrementalHoareTripleChecker+Valid, 1782 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2021-12-21 16:22:52,109 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7436 Valid, 7932 Invalid, 3374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1591 Valid, 1782 Invalid, 1 Unknown, 0 Unchecked, 8.4s Time] [2021-12-21 16:22:52,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5378 states. [2021-12-21 16:22:52,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5378 to 4851. [2021-12-21 16:22:52,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4851 states, 3721 states have (on average 1.500940607363612) internal successors, (5585), 3851 states have internal predecessors, (5585), 935 states have call successors, (935), 195 states have call predecessors, (935), 194 states have return successors, (932), 888 states have call predecessors, (932), 932 states have call successors, (932) [2021-12-21 16:22:52,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4851 states to 4851 states and 7452 transitions. [2021-12-21 16:22:52,372 INFO L78 Accepts]: Start accepts. Automaton has 4851 states and 7452 transitions. Word has length 65 [2021-12-21 16:22:52,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:22:52,373 INFO L470 AbstractCegarLoop]: Abstraction has 4851 states and 7452 transitions. [2021-12-21 16:22:52,374 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-21 16:22:52,374 INFO L276 IsEmpty]: Start isEmpty. Operand 4851 states and 7452 transitions. [2021-12-21 16:22:52,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-12-21 16:22:52,376 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:22:52,376 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:22:52,376 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 16:22:52,376 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:22:52,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:22:52,377 INFO L85 PathProgramCache]: Analyzing trace with hash -142231472, now seen corresponding path program 1 times [2021-12-21 16:22:52,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:22:52,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202380588] [2021-12-21 16:22:52,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:22:52,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:22:52,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:52,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:22:52,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:52,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 16:22:52,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:52,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:22:52,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:52,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 16:22:52,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:52,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-21 16:22:52,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:52,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 16:22:52,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:52,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:22:52,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:52,653 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-12-21 16:22:52,653 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:22:52,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202380588] [2021-12-21 16:22:52,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202380588] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:22:52,654 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:22:52,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 16:22:52,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653079445] [2021-12-21 16:22:52,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:22:52,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 16:22:52,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:22:52,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 16:22:52,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 16:22:52,656 INFO L87 Difference]: Start difference. First operand 4851 states and 7452 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7)