./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c071fd0-d19e-4dc8-ab52-c523684947ad/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c071fd0-d19e-4dc8-ab52-c523684947ad/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c071fd0-d19e-4dc8-ab52-c523684947ad/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c071fd0-d19e-4dc8-ab52-c523684947ad/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point_ldv-val-v0.8.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c071fd0-d19e-4dc8-ab52-c523684947ad/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c071fd0-d19e-4dc8-ab52-c523684947ad/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 674413fbed7a32a555a09c901a9150d16e8da3057736426758e0a8fd32aa1e8b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:23:08,128 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:23:08,251 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c071fd0-d19e-4dc8-ab52-c523684947ad/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-14 05:23:08,257 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:23:08,258 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:23:08,290 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:23:08,291 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:23:08,291 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:23:08,292 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:23:08,292 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:23:08,292 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:23:08,292 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:23:08,292 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:23:08,293 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:23:08,293 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:23:08,293 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:23:08,293 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:23:08,293 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:23:08,293 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:23:08,294 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:23:08,294 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:23:08,294 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:23:08,295 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:23:08,295 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:23:08,295 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:23:08,295 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:23:08,295 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:23:08,296 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:23:08,296 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:23:08,296 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:23:08,296 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:23:08,296 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:23:08,296 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:23:08,296 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:23:08,297 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:23:08,297 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:23:08,297 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:23:08,297 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:23:08,298 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:23:08,298 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:23:08,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:23:08,298 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:23:08,298 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:23:08,298 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:23:08,299 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c071fd0-d19e-4dc8-ab52-c523684947ad/bin/utaipan-verify-sOmjnqqW8E Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> Taipan 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 -> 674413fbed7a32a555a09c901a9150d16e8da3057736426758e0a8fd32aa1e8b [2024-11-14 05:23:08,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:23:08,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:23:08,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:23:08,721 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:23:08,722 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:23:08,725 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c071fd0-d19e-4dc8-ab52-c523684947ad/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point_ldv-val-v0.8.cil.out.i Unable to find full path for "g++" [2024-11-14 05:23:11,253 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:23:12,024 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:23:12,025 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c071fd0-d19e-4dc8-ab52-c523684947ad/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point_ldv-val-v0.8.cil.out.i [2024-11-14 05:23:12,066 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c071fd0-d19e-4dc8-ab52-c523684947ad/bin/utaipan-verify-sOmjnqqW8E/data/d83d7e6a4/21c5c578e70249b89c733f0ac9a9c185/FLAG601b03211 [2024-11-14 05:23:12,093 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c071fd0-d19e-4dc8-ab52-c523684947ad/bin/utaipan-verify-sOmjnqqW8E/data/d83d7e6a4/21c5c578e70249b89c733f0ac9a9c185 [2024-11-14 05:23:12,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:23:12,100 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:23:12,102 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:23:12,102 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:23:12,108 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:23:12,110 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:23:12" (1/1) ... [2024-11-14 05:23:12,111 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29826c68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:23:12, skipping insertion in model container [2024-11-14 05:23:12,114 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:23:12" (1/1) ... [2024-11-14 05:23:12,245 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:23:13,484 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c071fd0-d19e-4dc8-ab52-c523684947ad/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point_ldv-val-v0.8.cil.out.i[209427,209440] [2024-11-14 05:23:13,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:23:13,734 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:23:13,877 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [2600] [2024-11-14 05:23:13,880 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [2608] [2024-11-14 05:23:14,223 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c071fd0-d19e-4dc8-ab52-c523684947ad/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point_ldv-val-v0.8.cil.out.i[209427,209440] [2024-11-14 05:23:14,233 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:23:14,403 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:23:14,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:23:14 WrapperNode [2024-11-14 05:23:14,405 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:23:14,407 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:23:14,408 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:23:14,408 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:23:14,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:23:14" (1/1) ... [2024-11-14 05:23:14,526 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:23:14" (1/1) ... [2024-11-14 05:23:14,822 INFO L138 Inliner]: procedures = 105, calls = 3480, calls flagged for inlining = 28, calls inlined = 28, statements flattened = 4447 [2024-11-14 05:23:14,822 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:23:14,823 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:23:14,823 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:23:14,825 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:23:14,836 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:23:14" (1/1) ... [2024-11-14 05:23:14,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:23:14" (1/1) ... [2024-11-14 05:23:14,889 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:23:14" (1/1) ... [2024-11-14 05:23:14,890 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:23:14" (1/1) ... [2024-11-14 05:23:15,086 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:23:14" (1/1) ... [2024-11-14 05:23:15,130 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:23:14" (1/1) ... [2024-11-14 05:23:15,151 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:23:14" (1/1) ... [2024-11-14 05:23:15,180 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:23:14" (1/1) ... [2024-11-14 05:23:15,239 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:23:15,241 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:23:15,242 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:23:15,242 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:23:15,243 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:23:14" (1/1) ... [2024-11-14 05:23:15,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:23:15,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c071fd0-d19e-4dc8-ab52-c523684947ad/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:23:15,291 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c071fd0-d19e-4dc8-ab52-c523684947ad/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:23:15,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c071fd0-d19e-4dc8-ab52-c523684947ad/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:23:15,335 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_alloc_voice [2024-11-14 05:23:15,336 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_alloc_voice [2024-11-14 05:23:15,336 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_set_instr [2024-11-14 05:23:15,336 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_set_instr [2024-11-14 05:23:15,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2024-11-14 05:23:15,336 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2024-11-14 05:23:15,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-14 05:23:15,337 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_reset [2024-11-14 05:23:15,337 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_reset [2024-11-14 05:23:15,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-14 05:23:15,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-14 05:23:15,338 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_setup_voice [2024-11-14 05:23:15,338 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_setup_voice [2024-11-14 05:23:15,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-14 05:23:15,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-14 05:23:15,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 05:23:15,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-14 05:23:15,339 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-14 05:23:15,340 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_command [2024-11-14 05:23:15,340 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_command [2024-11-14 05:23:15,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-14 05:23:15,340 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-14 05:23:15,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-14 05:23:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-14 05:23:15,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2024-11-14 05:23:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2024-11-14 05:23:15,342 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-11-14 05:23:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-11-14 05:23:15,343 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_hw_control [2024-11-14 05:23:15,344 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_hw_control [2024-11-14 05:23:15,345 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-14 05:23:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-14 05:23:15,345 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_volume_method [2024-11-14 05:23:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_volume_method [2024-11-14 05:23:15,345 INFO L130 BoogieDeclarations]: Found specification of procedure set_voice_volume [2024-11-14 05:23:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure set_voice_volume [2024-11-14 05:23:15,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 05:23:15,345 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_aftertouch [2024-11-14 05:23:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_aftertouch [2024-11-14 05:23:15,345 INFO L130 BoogieDeclarations]: Found specification of procedure freq_to_fnum [2024-11-14 05:23:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure freq_to_fnum [2024-11-14 05:23:15,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-14 05:23:15,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-14 05:23:15,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-14 05:23:15,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-14 05:23:15,346 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:23:15,346 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:23:15,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 05:23:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_load_patch [2024-11-14 05:23:15,347 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_load_patch [2024-11-14 05:23:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-14 05:23:15,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-14 05:23:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:23:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_start_note [2024-11-14 05:23:15,350 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_start_note [2024-11-14 05:23:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_kill_note [2024-11-14 05:23:15,350 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_kill_note [2024-11-14 05:23:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-14 05:23:15,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-14 05:23:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 05:23:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 05:23:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 05:23:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_ioctl [2024-11-14 05:23:15,351 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_ioctl [2024-11-14 05:23:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure compute_finetune [2024-11-14 05:23:15,351 INFO L138 BoogieDeclarations]: Found implementation of procedure compute_finetune [2024-11-14 05:23:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_bender [2024-11-14 05:23:15,351 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_bender [2024-11-14 05:23:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_panning [2024-11-14 05:23:15,351 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_panning [2024-11-14 05:23:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 05:23:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-14 05:23:15,352 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-14 05:23:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-14 05:23:15,352 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-14 05:23:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2024-11-14 05:23:15,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2024-11-14 05:23:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure calc_vol [2024-11-14 05:23:15,352 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_vol [2024-11-14 05:23:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-14 05:23:15,352 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-14 05:23:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-14 05:23:15,352 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-14 05:23:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_controller [2024-11-14 05:23:15,352 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_controller [2024-11-14 05:23:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:23:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure store_instr [2024-11-14 05:23:15,353 INFO L138 BoogieDeclarations]: Found implementation of procedure store_instr [2024-11-14 05:23:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2024-11-14 05:23:15,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2024-11-14 05:23:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-14 05:23:15,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:23:15,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:23:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure bend_pitch [2024-11-14 05:23:15,358 INFO L138 BoogieDeclarations]: Found implementation of procedure bend_pitch [2024-11-14 05:23:16,055 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:23:16,059 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:23:17,193 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-14 05:33:41,504 INFO L? ?]: Removed 729 outVars from TransFormulas that were not future-live. [2024-11-14 05:33:41,504 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:33:48,799 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:33:48,801 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-14 05:33:48,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:33:48 BoogieIcfgContainer [2024-11-14 05:33:48,802 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:33:48,806 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:33:48,807 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:33:48,813 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:33:48,813 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:23:12" (1/3) ... [2024-11-14 05:33:48,814 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@385c2697 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:33:48, skipping insertion in model container [2024-11-14 05:33:48,814 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:23:14" (2/3) ... [2024-11-14 05:33:48,815 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@385c2697 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:33:48, skipping insertion in model container [2024-11-14 05:33:48,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:33:48" (3/3) ... [2024-11-14 05:33:48,816 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point_ldv-val-v0.8.cil.out.i [2024-11-14 05:33:48,837 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:33:48,839 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point_ldv-val-v0.8.cil.out.i that has 41 procedures, 691 locations, 1 initial locations, 5 loop locations, and 1 error locations. [2024-11-14 05:33:48,948 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:33:48,970 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@180a6809, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:33:48,970 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:33:48,982 INFO L276 IsEmpty]: Start isEmpty. Operand has 690 states, 430 states have (on average 1.3767441860465117) internal successors, (592), 450 states have internal predecessors, (592), 219 states have call successors, (219), 40 states have call predecessors, (219), 39 states have return successors, (216), 209 states have call predecessors, (216), 216 states have call successors, (216) [2024-11-14 05:33:49,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-11-14 05:33:49,024 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:33:49,025 INFO L215 NwaCegarLoop]: trace histogram [39, 39, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:33:49,026 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:33:49,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:33:49,032 INFO L85 PathProgramCache]: Analyzing trace with hash -2122681834, now seen corresponding path program 1 times [2024-11-14 05:33:49,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:33:49,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469778280] [2024-11-14 05:33:49,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:33:49,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms