./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 e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-validator-v0.6/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-e19ca92 [2021-12-22 14:48:35,214 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 14:48:35,217 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 14:48:35,265 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 14:48:35,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 14:48:35,269 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 14:48:35,270 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 14:48:35,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 14:48:35,276 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 14:48:35,280 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 14:48:35,281 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 14:48:35,282 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 14:48:35,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 14:48:35,285 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 14:48:35,286 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 14:48:35,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 14:48:35,289 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 14:48:35,290 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 14:48:35,292 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 14:48:35,297 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 14:48:35,299 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 14:48:35,300 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 14:48:35,301 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 14:48:35,302 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 14:48:35,308 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 14:48:35,308 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 14:48:35,309 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 14:48:35,310 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 14:48:35,311 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 14:48:35,311 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 14:48:35,312 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 14:48:35,313 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 14:48:35,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 14:48:35,315 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 14:48:35,316 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 14:48:35,316 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 14:48:35,317 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 14:48:35,317 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 14:48:35,317 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 14:48:35,318 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 14:48:35,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 14:48:35,319 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 14:48:35,350 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 14:48:35,350 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 14:48:35,351 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 14:48:35,351 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 14:48:35,352 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 14:48:35,352 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 14:48:35,353 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 14:48:35,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 14:48:35,353 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 14:48:35,353 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 14:48:35,354 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 14:48:35,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 14:48:35,354 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 14:48:35,355 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 14:48:35,355 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 14:48:35,355 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 14:48:35,355 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 14:48:35,355 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 14:48:35,356 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 14:48:35,356 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 14:48:35,356 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 14:48:35,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:48:35,356 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 14:48:35,356 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 14:48:35,357 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 14:48:35,357 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 14:48:35,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 14:48:35,357 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 14:48:35,357 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 14:48:35,357 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 14:48:35,358 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 14:48:35,358 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa2b7015249343fdf8056852ea29542152fe4e2fe5328579e80867d2e6b2b327 [2021-12-22 14:48:35,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 14:48:35,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 14:48:35,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 14:48:35,637 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 14:48:35,639 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 14:48:35,640 INFO L432 ainManager$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 [2021-12-22 14:48:35,700 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3da916fbc/81a570484d054751b0b1d61b24105c40/FLAG54bdaf673 [2021-12-22 14:48:36,579 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 14:48:36,580 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 [2021-12-22 14:48:36,662 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3da916fbc/81a570484d054751b0b1d61b24105c40/FLAG54bdaf673 [2021-12-22 14:48:36,702 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3da916fbc/81a570484d054751b0b1d61b24105c40 [2021-12-22 14:48:36,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 14:48:36,706 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 14:48:36,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 14:48:36,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 14:48:36,714 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 14:48:36,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:48:36" (1/1) ... [2021-12-22 14:48:36,716 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bc404fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:48:36, skipping insertion in model container [2021-12-22 14:48:36,716 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:48:36" (1/1) ... [2021-12-22 14:48:36,723 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 14:48:36,852 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 14:48:37,469 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] [2021-12-22 14:48:39,636 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:48:39,691 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 14:48:39,745 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] [2021-12-22 14:48:40,079 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:48:40,247 INFO L208 MainTranslator]: Completed translation [2021-12-22 14:48:40,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:48:40 WrapperNode [2021-12-22 14:48:40,250 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 14:48:40,251 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 14:48:40,251 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 14:48:40,251 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 14:48:40,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:48:40" (1/1) ... [2021-12-22 14:48:40,410 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:48:40" (1/1) ... [2021-12-22 14:48:40,713 INFO L137 Inliner]: procedures = 414, calls = 5134, calls flagged for inlining = 149, calls inlined = 134, statements flattened = 10048 [2021-12-22 14:48:40,714 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 14:48:40,715 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 14:48:40,715 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 14:48:40,715 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 14:48:40,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:48:40" (1/1) ... [2021-12-22 14:48:40,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:48:40" (1/1) ... [2021-12-22 14:48:40,781 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:48:40" (1/1) ... [2021-12-22 14:48:40,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:48:40" (1/1) ... [2021-12-22 14:48:41,017 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:48:40" (1/1) ... [2021-12-22 14:48:41,060 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:48:40" (1/1) ... [2021-12-22 14:48:41,102 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:48:40" (1/1) ... [2021-12-22 14:48:41,167 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 14:48:41,168 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 14:48:41,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 14:48:41,169 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 14:48:41,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:48:40" (1/1) ... [2021-12-22 14:48:41,177 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:48:41,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:48:41,199 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-22 14:48:41,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-22 14:48:41,237 INFO L130 BoogieDeclarations]: Found specification of procedure timer_open [2021-12-22 14:48:41,237 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_open [2021-12-22 14:48:41,238 INFO L130 BoogieDeclarations]: Found specification of procedure poll_def_tmr [2021-12-22 14:48:41,238 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_def_tmr [2021-12-22 14:48:41,238 INFO L130 BoogieDeclarations]: Found specification of procedure timer_event [2021-12-22 14:48:41,238 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_event [2021-12-22 14:48:41,238 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_channels [2021-12-22 14:48:41,238 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_channels [2021-12-22 14:48:41,238 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-22 14:48:41,239 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-22 14:48:41,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 14:48:41,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 14:48:41,239 INFO L130 BoogieDeclarations]: Found specification of procedure dma_reset_output [2021-12-22 14:48:41,239 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_reset_output [2021-12-22 14:48:41,239 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~TO~int [2021-12-22 14:48:41,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~TO~int [2021-12-22 14:48:41,240 INFO L130 BoogieDeclarations]: Found specification of procedure seq_input_event [2021-12-22 14:48:41,240 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_input_event [2021-12-22 14:48:41,240 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_release [2021-12-22 14:48:41,240 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_release [2021-12-22 14:48:41,240 INFO L130 BoogieDeclarations]: Found specification of procedure local_start_dma [2021-12-22 14:48:41,240 INFO L138 BoogieDeclarations]: Found implementation of procedure local_start_dma [2021-12-22 14:48:41,240 INFO L130 BoogieDeclarations]: Found specification of procedure translate_bytes [2021-12-22 14:48:41,240 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_bytes [2021-12-22 14:48:41,241 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2021-12-22 14:48:41,241 INFO L130 BoogieDeclarations]: Found specification of procedure seq_copy_to_input [2021-12-22 14:48:41,241 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_copy_to_input [2021-12-22 14:48:41,241 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-22 14:48:41,241 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-22 14:48:41,241 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_sync [2021-12-22 14:48:41,241 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_sync [2021-12-22 14:48:41,242 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~$Pointer$~TO~int [2021-12-22 14:48:41,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~$Pointer$~TO~int [2021-12-22 14:48:41,242 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_launch_output [2021-12-22 14:48:41,242 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_launch_output [2021-12-22 14:48:41,242 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-22 14:48:41,242 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-22 14:48:41,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_soundcard_mutex [2021-12-22 14:48:41,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_soundcard_mutex [2021-12-22 14:48:41,243 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-22 14:48:41,243 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-22 14:48:41,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 14:48:41,244 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_space_in_queue [2021-12-22 14:48:41,244 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_space_in_queue [2021-12-22 14:48:41,244 INFO L130 BoogieDeclarations]: Found specification of procedure timer_get_time [2021-12-22 14:48:41,244 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_get_time [2021-12-22 14:48:41,244 INFO L130 BoogieDeclarations]: Found specification of procedure enable_dma [2021-12-22 14:48:41,244 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_dma [2021-12-22 14:48:41,245 INFO L130 BoogieDeclarations]: Found specification of procedure timer_ioctl [2021-12-22 14:48:41,245 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_ioctl [2021-12-22 14:48:41,245 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-22 14:48:41,245 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-22 14:48:41,245 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-12-22 14:48:41,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-12-22 14:48:41,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 14:48:41,246 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-22 14:48:41,246 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-22 14:48:41,247 INFO L130 BoogieDeclarations]: Found specification of procedure sound_mixer_ioctl [2021-12-22 14:48:41,247 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_mixer_ioctl [2021-12-22 14:48:41,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 14:48:41,248 INFO L130 BoogieDeclarations]: Found specification of procedure midi_poll [2021-12-22 14:48:41,248 INFO L138 BoogieDeclarations]: Found implementation of procedure midi_poll [2021-12-22 14:48:41,248 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_arm [2021-12-22 14:48:41,248 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_arm [2021-12-22 14:48:41,248 INFO L130 BoogieDeclarations]: Found specification of procedure dma_subdivide [2021-12-22 14:48:41,249 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_subdivide [2021-12-22 14:48:41,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 14:48:41,249 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_activate_recording [2021-12-22 14:48:41,249 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_activate_recording [2021-12-22 14:48:41,249 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-22 14:48:41,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-22 14:48:41,250 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user [2021-12-22 14:48:41,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user [2021-12-22 14:48:41,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 14:48:41,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 14:48:41,250 INFO L130 BoogieDeclarations]: Found specification of procedure seq_sync [2021-12-22 14:48:41,251 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_sync [2021-12-22 14:48:41,251 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_bits [2021-12-22 14:48:41,251 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_bits [2021-12-22 14:48:41,251 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_sound_special [2021-12-22 14:48:41,251 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_sound_special [2021-12-22 14:48:41,251 INFO L130 BoogieDeclarations]: Found specification of procedure close_dmap [2021-12-22 14:48:41,251 INFO L138 BoogieDeclarations]: Found implementation of procedure close_dmap [2021-12-22 14:48:41,251 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_close [2021-12-22 14:48:41,252 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_close [2021-12-22 14:48:41,252 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2021-12-22 14:48:41,252 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-22 14:48:41,252 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-22 14:48:41,252 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-22 14:48:41,253 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-22 14:48:41,253 INFO L130 BoogieDeclarations]: Found specification of procedure timer_arm [2021-12-22 14:48:41,253 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_arm [2021-12-22 14:48:41,253 INFO L130 BoogieDeclarations]: Found specification of procedure register_sound_special [2021-12-22 14:48:41,253 INFO L138 BoogieDeclarations]: Found implementation of procedure register_sound_special [2021-12-22 14:48:41,253 INFO L130 BoogieDeclarations]: Found specification of procedure sound_mmap [2021-12-22 14:48:41,254 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_mmap [2021-12-22 14:48:41,254 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2021-12-22 14:48:41,254 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2021-12-22 14:48:41,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 14:48:41,255 INFO L130 BoogieDeclarations]: Found specification of procedure claim_dma_lock [2021-12-22 14:48:41,255 INFO L138 BoogieDeclarations]: Found implementation of procedure claim_dma_lock [2021-12-22 14:48:41,255 INFO L130 BoogieDeclarations]: Found specification of procedure timer_close [2021-12-22 14:48:41,255 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_close [2021-12-22 14:48:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 14:48:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 14:48:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-22 14:48:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure dma_reset_input [2021-12-22 14:48:41,256 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_reset_input [2021-12-22 14:48:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure interruptible_sleep_on_timeout [2021-12-22 14:48:41,257 INFO L138 BoogieDeclarations]: Found implementation of procedure interruptible_sleep_on_timeout [2021-12-22 14:48:41,257 INFO L130 BoogieDeclarations]: Found specification of procedure set_format [2021-12-22 14:48:41,257 INFO L138 BoogieDeclarations]: Found implementation of procedure set_format [2021-12-22 14:48:41,257 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_reset [2021-12-22 14:48:41,257 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_reset [2021-12-22 14:48:41,257 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2021-12-22 14:48:41,258 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2021-12-22 14:48:41,258 INFO L130 BoogieDeclarations]: Found specification of procedure seq_reset [2021-12-22 14:48:41,258 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_reset [2021-12-22 14:48:41,259 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2021-12-22 14:48:41,261 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2021-12-22 14:48:41,261 INFO L130 BoogieDeclarations]: Found specification of procedure seq_drain_midi_queues [2021-12-22 14:48:41,261 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_drain_midi_queues [2021-12-22 14:48:41,261 INFO L130 BoogieDeclarations]: Found specification of procedure dma_ioctl [2021-12-22 14:48:41,263 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_ioctl [2021-12-22 14:48:41,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_soundcard_mutex [2021-12-22 14:48:41,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_soundcard_mutex [2021-12-22 14:48:41,264 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2021-12-22 14:48:41,264 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2021-12-22 14:48:41,269 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~X~int~TO~int [2021-12-22 14:48:41,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~X~int~TO~int [2021-12-22 14:48:41,269 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~VOID [2021-12-22 14:48:41,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~VOID [2021-12-22 14:48:41,270 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-22 14:48:41,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-22 14:48:41,270 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2021-12-22 14:48:41,270 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2021-12-22 14:48:41,270 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-22 14:48:41,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-22 14:48:41,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 14:48:41,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 14:48:41,271 INFO L130 BoogieDeclarations]: Found specification of procedure seq_startplay [2021-12-22 14:48:41,271 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_startplay [2021-12-22 14:48:41,271 INFO L130 BoogieDeclarations]: Found specification of procedure clear_dma_ff [2021-12-22 14:48:41,271 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_dma_ff [2021-12-22 14:48:41,271 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~TO~VOID [2021-12-22 14:48:41,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~TO~VOID [2021-12-22 14:48:41,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-22 14:48:41,271 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-22 14:48:41,272 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-12-22 14:48:41,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-12-22 14:48:41,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 14:48:41,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 14:48:41,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 14:48:41,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 14:48:41,273 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-22 14:48:41,273 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-22 14:48:41,273 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-22 14:48:41,273 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2021-12-22 14:48:41,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2021-12-22 14:48:41,273 INFO L130 BoogieDeclarations]: Found specification of procedure translate_mode [2021-12-22 14:48:41,273 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_mode [2021-12-22 14:48:41,273 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get___0 [2021-12-22 14:48:41,274 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get___0 [2021-12-22 14:48:41,274 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_move_wrpointer [2021-12-22 14:48:41,274 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_move_wrpointer [2021-12-22 14:48:41,274 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-22 14:48:41,274 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-22 14:48:41,274 INFO L130 BoogieDeclarations]: Found specification of procedure tmr_reset [2021-12-22 14:48:41,274 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr_reset [2021-12-22 14:48:41,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 14:48:41,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 14:48:41,275 INFO L130 BoogieDeclarations]: Found specification of procedure sound_stop_timer [2021-12-22 14:48:41,275 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_stop_timer [2021-12-22 14:48:41,275 INFO L130 BoogieDeclarations]: Found specification of procedure tmr2ticks___0 [2021-12-22 14:48:41,275 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr2ticks___0 [2021-12-22 14:48:41,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 14:48:41,275 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 14:48:41,275 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 14:48:41,276 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 14:48:41,276 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-22 14:48:41,276 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-22 14:48:41,276 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-22 14:48:41,276 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-22 14:48:41,276 INFO L130 BoogieDeclarations]: Found specification of procedure tmr_reset___0 [2021-12-22 14:48:41,276 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr_reset___0 [2021-12-22 14:48:41,276 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~X~int~TO~VOID [2021-12-22 14:48:41,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~X~int~TO~VOID [2021-12-22 14:48:41,277 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2021-12-22 14:48:41,277 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2021-12-22 14:48:41,277 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2021-12-22 14:48:41,277 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2021-12-22 14:48:41,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 14:48:41,277 INFO L130 BoogieDeclarations]: Found specification of procedure sound_free_dmap [2021-12-22 14:48:41,277 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_free_dmap [2021-12-22 14:48:41,277 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2021-12-22 14:48:41,278 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2021-12-22 14:48:41,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 14:48:41,278 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-22 14:48:41,278 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-22 14:48:41,278 INFO L130 BoogieDeclarations]: Found specification of procedure reprogram_timer [2021-12-22 14:48:41,278 INFO L138 BoogieDeclarations]: Found implementation of procedure reprogram_timer [2021-12-22 14:48:41,278 INFO L130 BoogieDeclarations]: Found specification of procedure midi_outc___0 [2021-12-22 14:48:41,278 INFO L138 BoogieDeclarations]: Found implementation of procedure midi_outc___0 [2021-12-22 14:48:41,278 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-22 14:48:41,279 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-22 14:48:41,279 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~int [2021-12-22 14:48:41,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~int [2021-12-22 14:48:41,279 INFO L130 BoogieDeclarations]: Found specification of procedure dmabuf_timeout [2021-12-22 14:48:41,279 INFO L138 BoogieDeclarations]: Found implementation of procedure dmabuf_timeout [2021-12-22 14:48:41,279 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info___0 [2021-12-22 14:48:41,279 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info___0 [2021-12-22 14:48:41,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 14:48:41,280 INFO L130 BoogieDeclarations]: Found specification of procedure module_is_live [2021-12-22 14:48:41,280 INFO L138 BoogieDeclarations]: Found implementation of procedure module_is_live [2021-12-22 14:48:41,280 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-22 14:48:41,280 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-22 14:48:41,280 INFO L130 BoogieDeclarations]: Found specification of procedure sound_start_dma [2021-12-22 14:48:41,280 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_start_dma [2021-12-22 14:48:41,280 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_event [2021-12-22 14:48:41,280 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_event [2021-12-22 14:48:41,281 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-22 14:48:41,281 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-22 14:48:41,281 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-22 14:48:41,281 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-22 14:48:41,281 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_open [2021-12-22 14:48:41,281 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_open [2021-12-22 14:48:41,281 INFO L130 BoogieDeclarations]: Found specification of procedure do_midi_msg [2021-12-22 14:48:41,281 INFO L138 BoogieDeclarations]: Found implementation of procedure do_midi_msg [2021-12-22 14:48:41,282 INFO L130 BoogieDeclarations]: Found specification of procedure interruptible_sleep_on [2021-12-22 14:48:41,282 INFO L138 BoogieDeclarations]: Found implementation of procedure interruptible_sleep_on [2021-12-22 14:48:41,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-22 14:48:41,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-22 14:48:41,282 INFO L130 BoogieDeclarations]: Found specification of procedure waitqueue_active [2021-12-22 14:48:41,282 INFO L138 BoogieDeclarations]: Found implementation of procedure waitqueue_active [2021-12-22 14:48:41,282 INFO L130 BoogieDeclarations]: Found specification of procedure sound_alloc_dmap [2021-12-22 14:48:41,282 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_alloc_dmap [2021-12-22 14:48:41,283 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_fragment [2021-12-22 14:48:41,283 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_fragment [2021-12-22 14:48:41,283 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_get_time [2021-12-22 14:48:41,283 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_get_time [2021-12-22 14:48:41,283 INFO L130 BoogieDeclarations]: Found specification of procedure sequencer_timer [2021-12-22 14:48:41,283 INFO L138 BoogieDeclarations]: Found implementation of procedure sequencer_timer [2021-12-22 14:48:41,283 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_speed [2021-12-22 14:48:41,283 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_speed [2021-12-22 14:48:41,284 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-12-22 14:48:41,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-12-22 14:48:41,287 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_residue [2021-12-22 14:48:41,288 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_residue [2021-12-22 14:48:41,288 INFO L130 BoogieDeclarations]: Found specification of procedure sync_output [2021-12-22 14:48:41,288 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_output [2021-12-22 14:48:41,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 14:48:41,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 14:48:41,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 14:48:41,288 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2021-12-22 14:48:41,288 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2021-12-22 14:48:41,289 INFO L130 BoogieDeclarations]: Found specification of procedure open_dmap [2021-12-22 14:48:41,290 INFO L138 BoogieDeclarations]: Found implementation of procedure open_dmap [2021-12-22 14:48:41,290 INFO L130 BoogieDeclarations]: Found specification of procedure release_dma_lock [2021-12-22 14:48:41,290 INFO L138 BoogieDeclarations]: Found implementation of procedure release_dma_lock [2021-12-22 14:48:41,290 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2021-12-22 14:48:41,290 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2021-12-22 14:48:41,290 INFO L130 BoogieDeclarations]: Found specification of procedure sound_poll [2021-12-22 14:48:41,290 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_poll [2021-12-22 14:48:41,290 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-22 14:48:41,291 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-22 14:48:41,291 INFO L130 BoogieDeclarations]: Found specification of procedure do_sequencer_timer [2021-12-22 14:48:41,291 INFO L138 BoogieDeclarations]: Found implementation of procedure do_sequencer_timer [2021-12-22 14:48:41,291 INFO L130 BoogieDeclarations]: Found specification of procedure disable_dma [2021-12-22 14:48:41,291 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_dma [2021-12-22 14:48:41,291 INFO L130 BoogieDeclarations]: Found specification of procedure tmr2ticks [2021-12-22 14:48:41,291 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr2ticks [2021-12-22 14:48:41,291 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-12-22 14:48:41,291 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-12-22 14:48:41,292 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-22 14:48:41,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-22 14:48:41,292 INFO L130 BoogieDeclarations]: Found specification of procedure request_sound_timer [2021-12-22 14:48:41,292 INFO L138 BoogieDeclarations]: Found implementation of procedure request_sound_timer [2021-12-22 14:48:41,292 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_get_buffer_pointer [2021-12-22 14:48:41,292 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_get_buffer_pointer [2021-12-22 14:48:41,292 INFO L130 BoogieDeclarations]: Found specification of procedure sound_write [2021-12-22 14:48:41,292 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_write [2021-12-22 14:48:41,293 INFO L130 BoogieDeclarations]: Found specification of procedure play_event [2021-12-22 14:48:41,293 INFO L138 BoogieDeclarations]: Found implementation of procedure play_event [2021-12-22 14:48:41,293 INFO L130 BoogieDeclarations]: Found specification of procedure reorganize_buffers [2021-12-22 14:48:41,293 INFO L138 BoogieDeclarations]: Found implementation of procedure reorganize_buffers [2021-12-22 14:48:41,293 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-22 14:48:41,293 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-22 14:48:41,293 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-22 14:48:41,293 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-22 14:48:41,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 14:48:41,294 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_ioctl [2021-12-22 14:48:41,294 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_ioctl [2021-12-22 14:48:42,309 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 14:48:42,312 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 14:48:42,760 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 14:48:42,890 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3836: assume 0 != ~tmp___1~3;#res := ~ret~3; [2021-12-22 14:48:42,903 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3836: assume !(0 != ~tmp___1~3);#res := ~ret~3; [2021-12-22 14:48:42,903 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3803: havoc #t~switch115; [2021-12-22 14:48:42,904 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3832: assume #t~switch115; [2021-12-22 14:48:42,904 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3832: assume !#t~switch115;#t~switch115 := true; [2021-12-22 14:48:42,904 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3824: assume 0 != ~tmp___0~8;#res := ~ret~3; [2021-12-22 14:48:42,904 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3824: assume !(0 != ~tmp___0~8);#res := ~ret~3; [2021-12-22 14:48:42,904 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3820: assume #t~switch115; [2021-12-22 14:48:42,904 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3820: assume !#t~switch115;#t~switch115 := #t~switch115 || 16 == ~size; [2021-12-22 14:48:42,904 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3816: assume #t~switch115;#res := ~ret~3; [2021-12-22 14:48:42,905 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3816: assume !#t~switch115;#t~switch115 := #t~switch115 || 10 == ~size; [2021-12-22 14:48:42,905 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume #t~switch115;#res := ~ret~3; [2021-12-22 14:48:42,905 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3812: assume #t~switch115;#res := ~ret~3; [2021-12-22 14:48:42,905 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3812: assume !#t~switch115;#t~switch115 := #t~switch115 || 8 == ~size; [2021-12-22 14:48:42,905 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); [2021-12-22 14:48:42,905 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 [2021-12-22 14:48:42,905 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !#t~switch115;#t~switch115 := #t~switch115 || 2 == ~size; [2021-12-22 14:48:42,906 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3808: assume #t~switch115;#res := ~ret~3; [2021-12-22 14:48:42,906 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3808: assume !#t~switch115;#t~switch115 := #t~switch115 || 4 == ~size; [2021-12-22 14:48:42,906 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3835-1: assume -9223372036854775808 <= #t~ret117 && #t~ret117 <= 9223372036854775807;~tmp___1~3 := #t~ret117;havoc #t~ret117; [2021-12-22 14:48:42,906 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 [2021-12-22 14:48:42,906 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3823-1: assume -9223372036854775808 <= #t~ret116 && #t~ret116 <= 9223372036854775807;~tmp___0~8 := #t~ret116;havoc #t~ret116; [2021-12-22 14:48:42,906 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 [2021-12-22 14:48:42,906 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3844: assume #t~switch115; [2021-12-22 14:48:42,907 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3844: assume !#t~switch115; [2021-12-22 14:48:53,185 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3738: havoc __copy_from_user_#t~switch110#1; [2021-12-22 14:48:53,185 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; [2021-12-22 14:48:53,185 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; [2021-12-22 14:48:53,185 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; [2021-12-22 14:48:53,185 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; [2021-12-22 14:48:53,186 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; [2021-12-22 14:48:53,186 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; [2021-12-22 14:48:53,186 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3759: assume __copy_from_user_#t~switch110#1; [2021-12-22 14:48:53,186 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; [2021-12-22 14:48:53,186 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; [2021-12-22 14:48:53,186 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 [2021-12-22 14:48:53,186 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; [2021-12-22 14:48:53,186 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; [2021-12-22 14:48:53,186 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3772: assume __copy_from_user_#t~switch110#1; [2021-12-22 14:48:53,186 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3772: assume !__copy_from_user_#t~switch110#1;__copy_from_user_#t~switch110#1 := true; [2021-12-22 14:48:53,186 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 [2021-12-22 14:48:53,186 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; [2021-12-22 14:48:53,186 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; [2021-12-22 14:48:53,186 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; [2021-12-22 14:48:53,186 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3785: assume __copy_from_user_#t~switch110#1; [2021-12-22 14:48:53,186 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L3785: assume !__copy_from_user_#t~switch110#1; [2021-12-22 14:48:53,187 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 [2021-12-22 14:48:53,187 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); [2021-12-22 14:48:53,187 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; [2021-12-22 14:48:53,187 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; [2021-12-22 14:48:53,268 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 14:48:53,297 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 14:48:53,297 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-22 14:48:53,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:48:53 BoogieIcfgContainer [2021-12-22 14:48:53,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 14:48:53,304 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 14:48:53,304 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 14:48:53,307 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 14:48:53,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 02:48:36" (1/3) ... [2021-12-22 14:48:53,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f416db1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:48:53, skipping insertion in model container [2021-12-22 14:48:53,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:48:40" (2/3) ... [2021-12-22 14:48:53,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f416db1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:48:53, skipping insertion in model container [2021-12-22 14:48:53,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:48:53" (3/3) ... [2021-12-22 14:48:53,309 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i [2021-12-22 14:48:53,313 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 14:48:53,313 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 14:48:53,374 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 14:48:53,380 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 14:48:53,381 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 14:48:53,513 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) [2021-12-22 14:48:53,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-12-22 14:48:53,526 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:48:53,527 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] [2021-12-22 14:48:53,527 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:48:53,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:48:53,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1066878759, now seen corresponding path program 1 times [2021-12-22 14:48:53,541 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:48:53,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650910381] [2021-12-22 14:48:53,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:48:53,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:48:53,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:48:54,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:48:54,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:48:54,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:48:54,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:48:54,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:48:54,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:48:54,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:48:54,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:48:54,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 14:48:54,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:48:54,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-22 14:48:54,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:48:54,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 14:48:54,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:48:54,273 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-12-22 14:48:54,273 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:48:54,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650910381] [2021-12-22 14:48:54,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650910381] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:48:54,276 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:48:54,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 14:48:54,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003694513] [2021-12-22 14:48:54,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:48:54,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 14:48:54,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:48:54,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 14:48:54,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 14:48:54,323 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) [2021-12-22 14:49:02,514 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:49:05,403 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-22 14:49:06,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:49:06,562 INFO L93 Difference]: Finished difference Result 9183 states and 14360 transitions. [2021-12-22 14:49:06,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 14:49:06,565 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 [2021-12-22 14:49:06,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:49:06,627 INFO L225 Difference]: With dead ends: 9183 [2021-12-22 14:49:06,628 INFO L226 Difference]: Without dead ends: 5374 [2021-12-22 14:49:06,649 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 [2021-12-22 14:49:06,652 INFO L933 BasicCegarLoop]: 5661 mSDtfsCounter, 3984 mSDsluCounter, 7289 mSDsCounter, 0 mSdLazyCounter, 3126 mSolverCounterSat, 1369 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4286 SdHoareTripleChecker+Valid, 12950 SdHoareTripleChecker+Invalid, 4496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1369 IncrementalHoareTripleChecker+Valid, 3126 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2021-12-22 14:49:06,652 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4286 Valid, 12950 Invalid, 4496 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1369 Valid, 3126 Invalid, 1 Unknown, 0 Unchecked, 11.7s Time] [2021-12-22 14:49:06,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5374 states. [2021-12-22 14:49:06,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5374 to 4841. [2021-12-22 14:49:06,940 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) [2021-12-22 14:49:06,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4841 states to 4841 states and 7445 transitions. [2021-12-22 14:49:06,978 INFO L78 Accepts]: Start accepts. Automaton has 4841 states and 7445 transitions. Word has length 57 [2021-12-22 14:49:06,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:49:06,979 INFO L470 AbstractCegarLoop]: Abstraction has 4841 states and 7445 transitions. [2021-12-22 14:49:06,979 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) [2021-12-22 14:49:06,979 INFO L276 IsEmpty]: Start isEmpty. Operand 4841 states and 7445 transitions. [2021-12-22 14:49:06,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-12-22 14:49:06,986 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:49:06,986 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] [2021-12-22 14:49:06,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 14:49:06,987 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:49:06,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:49:06,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1168157038, now seen corresponding path program 1 times [2021-12-22 14:49:06,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:49:06,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880500024] [2021-12-22 14:49:06,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:49:06,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:49:07,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:07,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:49:07,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:07,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:49:07,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:07,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:49:07,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:07,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:49:07,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:07,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 14:49:07,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:07,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-22 14:49:07,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:07,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 14:49:07,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:07,534 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-12-22 14:49:07,534 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:49:07,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880500024] [2021-12-22 14:49:07,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880500024] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:49:07,535 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:49:07,535 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 14:49:07,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065061700] [2021-12-22 14:49:07,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:49:07,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 14:49:07,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:49:07,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 14:49:07,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 14:49:07,541 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) [2021-12-22 14:49:16,076 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-22 14:49:17,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:49:17,126 INFO L93 Difference]: Finished difference Result 10192 states and 15811 transitions. [2021-12-22 14:49:17,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 14:49:17,126 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 [2021-12-22 14:49:17,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:49:17,159 INFO L225 Difference]: With dead ends: 10192 [2021-12-22 14:49:17,159 INFO L226 Difference]: Without dead ends: 5366 [2021-12-22 14:49:17,180 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 [2021-12-22 14:49:17,181 INFO L933 BasicCegarLoop]: 5490 mSDtfsCounter, 6976 mSDsluCounter, 2402 mSDsCounter, 0 mSdLazyCounter, 1773 mSolverCounterSat, 1595 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s 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, 9.2s IncrementalHoareTripleChecker+Time [2021-12-22 14:49:17,182 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7459 Valid, 7892 Invalid, 3369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1595 Valid, 1773 Invalid, 1 Unknown, 0 Unchecked, 9.2s Time] [2021-12-22 14:49:17,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5366 states. [2021-12-22 14:49:17,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5366 to 4841. [2021-12-22 14:49:17,380 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) [2021-12-22 14:49:17,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4841 states to 4841 states and 7443 transitions. [2021-12-22 14:49:17,405 INFO L78 Accepts]: Start accepts. Automaton has 4841 states and 7443 transitions. Word has length 65 [2021-12-22 14:49:17,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:49:17,406 INFO L470 AbstractCegarLoop]: Abstraction has 4841 states and 7443 transitions. [2021-12-22 14:49:17,406 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) [2021-12-22 14:49:17,406 INFO L276 IsEmpty]: Start isEmpty. Operand 4841 states and 7443 transitions. [2021-12-22 14:49:17,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-12-22 14:49:17,408 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:49:17,409 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] [2021-12-22 14:49:17,409 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 14:49:17,409 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:49:17,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:49:17,410 INFO L85 PathProgramCache]: Analyzing trace with hash -420190864, now seen corresponding path program 1 times [2021-12-22 14:49:17,410 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:49:17,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237211971] [2021-12-22 14:49:17,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:49:17,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:49:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:17,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:49:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:17,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:49:17,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:17,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:49:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:17,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:49:17,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:17,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 14:49:17,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:17,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-22 14:49:17,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:17,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 14:49:17,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:17,773 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-12-22 14:49:17,773 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:49:17,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237211971] [2021-12-22 14:49:17,776 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237211971] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:49:17,776 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:49:17,776 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 14:49:17,776 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249055988] [2021-12-22 14:49:17,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:49:17,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 14:49:17,779 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:49:17,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 14:49:17,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 14:49:17,780 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) [2021-12-22 14:49:25,907 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-22 14:49:26,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:49:26,684 INFO L93 Difference]: Finished difference Result 5381 states and 8398 transitions. [2021-12-22 14:49:26,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 14:49:26,685 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 [2021-12-22 14:49:26,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:49:26,714 INFO L225 Difference]: With dead ends: 5381 [2021-12-22 14:49:26,715 INFO L226 Difference]: Without dead ends: 5378 [2021-12-22 14:49:26,718 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 [2021-12-22 14:49:26,719 INFO L933 BasicCegarLoop]: 5503 mSDtfsCounter, 6953 mSDsluCounter, 2427 mSDsCounter, 0 mSdLazyCounter, 1782 mSolverCounterSat, 1591 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7437 SdHoareTripleChecker+Valid, 7930 SdHoareTripleChecker+Invalid, 3374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1591 IncrementalHoareTripleChecker+Valid, 1782 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2021-12-22 14:49:26,719 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7437 Valid, 7930 Invalid, 3374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1591 Valid, 1782 Invalid, 1 Unknown, 0 Unchecked, 8.7s Time] [2021-12-22 14:49:26,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5378 states. [2021-12-22 14:49:26,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5378 to 4851. [2021-12-22 14:49:26,888 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) [2021-12-22 14:49:26,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4851 states to 4851 states and 7452 transitions. [2021-12-22 14:49:26,905 INFO L78 Accepts]: Start accepts. Automaton has 4851 states and 7452 transitions. Word has length 65 [2021-12-22 14:49:26,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:49:26,907 INFO L470 AbstractCegarLoop]: Abstraction has 4851 states and 7452 transitions. [2021-12-22 14:49:26,908 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) [2021-12-22 14:49:26,908 INFO L276 IsEmpty]: Start isEmpty. Operand 4851 states and 7452 transitions. [2021-12-22 14:49:26,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-12-22 14:49:26,909 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:49:26,910 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] [2021-12-22 14:49:26,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 14:49:26,910 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:49:26,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:49:26,911 INFO L85 PathProgramCache]: Analyzing trace with hash -142231472, now seen corresponding path program 1 times [2021-12-22 14:49:26,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:49:26,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582978141] [2021-12-22 14:49:26,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:49:26,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:49:27,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:27,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:49:27,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:27,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:49:27,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:27,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:49:27,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:27,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:49:27,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:27,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 14:49:27,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:27,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-22 14:49:27,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:27,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 14:49:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:27,206 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-12-22 14:49:27,206 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:49:27,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582978141] [2021-12-22 14:49:27,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582978141] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:49:27,207 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:49:27,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 14:49:27,207 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218272844] [2021-12-22 14:49:27,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:49:27,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 14:49:27,208 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:49:27,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 14:49:27,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 14:49:27,209 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)