./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 a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b717371-2728-4690-9fb0-d23689de84d9/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b717371-2728-4690-9fb0-d23689de84d9/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b717371-2728-4690-9fb0-d23689de84d9/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b717371-2728-4690-9fb0-d23689de84d9/bin/utaipan-verify-YMUCfTKeje/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_9b717371-2728-4690-9fb0-d23689de84d9/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b717371-2728-4690-9fb0-d23689de84d9/bin/utaipan-verify-YMUCfTKeje --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 0.2.5-dev-a016563 [2024-11-09 06:44:54,113 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:44:54,217 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b717371-2728-4690-9fb0-d23689de84d9/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 06:44:54,222 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:44:54,223 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:44:54,249 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:44:54,249 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:44:54,250 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:44:54,251 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:44:54,251 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:44:54,252 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:44:54,252 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:44:54,253 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:44:54,253 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:44:54,253 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:44:54,254 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:44:54,254 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:44:54,255 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:44:54,255 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:44:54,256 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:44:54,256 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:44:54,257 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:44:54,258 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:44:54,258 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:44:54,259 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:44:54,259 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:44:54,260 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:44:54,260 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:44:54,261 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:44:54,261 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:44:54,262 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:44:54,262 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:44:54,263 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:44:54,263 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:44:54,264 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:44:54,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:44:54,265 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:44:54,265 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:44:54,265 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:44:54,266 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:44:54,266 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:44:54,270 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:44:54,271 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:44:54,271 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:44:54,271 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b717371-2728-4690-9fb0-d23689de84d9/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b717371-2728-4690-9fb0-d23689de84d9/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 674413fbed7a32a555a09c901a9150d16e8da3057736426758e0a8fd32aa1e8b [2024-11-09 06:44:54,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:44:54,677 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:44:54,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:44:54,684 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:44:54,684 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:44:54,686 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b717371-2728-4690-9fb0-d23689de84d9/bin/utaipan-verify-YMUCfTKeje/../../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++" [2024-11-09 06:44:57,162 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:44:57,822 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:44:57,823 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b717371-2728-4690-9fb0-d23689de84d9/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 [2024-11-09 06:44:57,873 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b717371-2728-4690-9fb0-d23689de84d9/bin/utaipan-verify-YMUCfTKeje/data/08e485012/c04337e834ca4c5ea9b7e931a24323f4/FLAG0b37a1b27 [2024-11-09 06:44:57,898 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b717371-2728-4690-9fb0-d23689de84d9/bin/utaipan-verify-YMUCfTKeje/data/08e485012/c04337e834ca4c5ea9b7e931a24323f4 [2024-11-09 06:44:57,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:44:57,905 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:44:57,908 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:44:57,908 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:44:57,915 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:44:57,916 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:44:57" (1/1) ... [2024-11-09 06:44:57,918 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62630bba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:44:57, skipping insertion in model container [2024-11-09 06:44:57,920 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:44:57" (1/1) ... [2024-11-09 06:44:58,060 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:44:59,420 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_9b717371-2728-4690-9fb0-d23689de84d9/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] [2024-11-09 06:44:59,450 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:44:59,868 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:45:00,000 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [2600] [2024-11-09 06:45:00,003 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [2608] [2024-11-09 06:45:00,291 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_9b717371-2728-4690-9fb0-d23689de84d9/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] [2024-11-09 06:45:00,306 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:45:00,457 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:45:00,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:00 WrapperNode [2024-11-09 06:45:00,458 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:45:00,460 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:45:00,460 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:45:00,460 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:45:00,470 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:00" (1/1) ... [2024-11-09 06:45:00,571 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:00" (1/1) ... [2024-11-09 06:45:00,834 INFO L138 Inliner]: procedures = 105, calls = 3480, calls flagged for inlining = 28, calls inlined = 28, statements flattened = 4447 [2024-11-09 06:45:00,835 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:45:00,836 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:45:00,836 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:45:00,836 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:45:00,849 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:00" (1/1) ... [2024-11-09 06:45:00,850 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:00" (1/1) ... [2024-11-09 06:45:00,951 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:00" (1/1) ... [2024-11-09 06:45:00,952 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:00" (1/1) ... [2024-11-09 06:45:01,115 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:00" (1/1) ... [2024-11-09 06:45:01,142 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:00" (1/1) ... [2024-11-09 06:45:01,169 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:00" (1/1) ... [2024-11-09 06:45:01,185 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:00" (1/1) ... [2024-11-09 06:45:01,223 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:45:01,224 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:45:01,224 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:45:01,224 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:45:01,225 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:00" (1/1) ... [2024-11-09 06:45:01,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:45:01,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b717371-2728-4690-9fb0-d23689de84d9/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:45:01,264 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b717371-2728-4690-9fb0-d23689de84d9/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:45:01,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b717371-2728-4690-9fb0-d23689de84d9/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:45:01,306 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_alloc_voice [2024-11-09 06:45:01,306 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_alloc_voice [2024-11-09 06:45:01,306 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_set_instr [2024-11-09 06:45:01,306 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_set_instr [2024-11-09 06:45:01,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2024-11-09 06:45:01,307 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2024-11-09 06:45:01,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 06:45:01,307 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_reset [2024-11-09 06:45:01,307 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_reset [2024-11-09 06:45:01,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-09 06:45:01,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-09 06:45:01,308 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_setup_voice [2024-11-09 06:45:01,308 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_setup_voice [2024-11-09 06:45:01,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-09 06:45:01,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-09 06:45:01,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:45:01,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-09 06:45:01,309 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-09 06:45:01,310 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_command [2024-11-09 06:45:01,310 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_command [2024-11-09 06:45:01,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-09 06:45:01,310 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-09 06:45:01,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-09 06:45:01,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-09 06:45:01,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2024-11-09 06:45:01,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2024-11-09 06:45:01,311 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-11-09 06:45:01,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-11-09 06:45:01,311 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_hw_control [2024-11-09 06:45:01,312 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_hw_control [2024-11-09 06:45:01,312 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-09 06:45:01,312 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-09 06:45:01,312 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_volume_method [2024-11-09 06:45:01,312 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_volume_method [2024-11-09 06:45:01,313 INFO L130 BoogieDeclarations]: Found specification of procedure set_voice_volume [2024-11-09 06:45:01,313 INFO L138 BoogieDeclarations]: Found implementation of procedure set_voice_volume [2024-11-09 06:45:01,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:45:01,313 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_aftertouch [2024-11-09 06:45:01,313 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_aftertouch [2024-11-09 06:45:01,314 INFO L130 BoogieDeclarations]: Found specification of procedure freq_to_fnum [2024-11-09 06:45:01,314 INFO L138 BoogieDeclarations]: Found implementation of procedure freq_to_fnum [2024-11-09 06:45:01,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-09 06:45:01,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-09 06:45:01,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-09 06:45:01,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-09 06:45:01,315 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:45:01,315 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:45:01,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 06:45:01,315 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_load_patch [2024-11-09 06:45:01,316 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_load_patch [2024-11-09 06:45:01,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-09 06:45:01,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-09 06:45:01,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:45:01,316 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_start_note [2024-11-09 06:45:01,316 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_start_note [2024-11-09 06:45:01,316 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_kill_note [2024-11-09 06:45:01,316 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_kill_note [2024-11-09 06:45:01,317 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-09 06:45:01,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-09 06:45:01,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 06:45:01,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 06:45:01,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 06:45:01,317 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_ioctl [2024-11-09 06:45:01,317 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_ioctl [2024-11-09 06:45:01,317 INFO L130 BoogieDeclarations]: Found specification of procedure compute_finetune [2024-11-09 06:45:01,318 INFO L138 BoogieDeclarations]: Found implementation of procedure compute_finetune [2024-11-09 06:45:01,318 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_bender [2024-11-09 06:45:01,318 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_bender [2024-11-09 06:45:01,318 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_panning [2024-11-09 06:45:01,319 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_panning [2024-11-09 06:45:01,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 06:45:01,319 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-09 06:45:01,319 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-09 06:45:01,319 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-09 06:45:01,320 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-09 06:45:01,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2024-11-09 06:45:01,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2024-11-09 06:45:01,320 INFO L130 BoogieDeclarations]: Found specification of procedure calc_vol [2024-11-09 06:45:01,320 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_vol [2024-11-09 06:45:01,320 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-09 06:45:01,321 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-09 06:45:01,321 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-09 06:45:01,321 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-09 06:45:01,321 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_controller [2024-11-09 06:45:01,321 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_controller [2024-11-09 06:45:01,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:45:01,322 INFO L130 BoogieDeclarations]: Found specification of procedure store_instr [2024-11-09 06:45:01,322 INFO L138 BoogieDeclarations]: Found implementation of procedure store_instr [2024-11-09 06:45:01,322 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2024-11-09 06:45:01,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2024-11-09 06:45:01,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-09 06:45:01,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:45:01,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:45:01,323 INFO L130 BoogieDeclarations]: Found specification of procedure bend_pitch [2024-11-09 06:45:01,324 INFO L138 BoogieDeclarations]: Found implementation of procedure bend_pitch [2024-11-09 06:45:01,824 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:45:01,828 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:45:03,017 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-09 06:55:42,655 INFO L? ?]: Removed 729 outVars from TransFormulas that were not future-live. [2024-11-09 06:55:42,655 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:55:50,725 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:55:50,725 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 06:55:50,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:55:50 BoogieIcfgContainer [2024-11-09 06:55:50,728 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:55:50,731 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:55:50,733 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:55:50,737 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:55:50,738 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:44:57" (1/3) ... [2024-11-09 06:55:50,739 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66757cd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:55:50, skipping insertion in model container [2024-11-09 06:55:50,740 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:45:00" (2/3) ... [2024-11-09 06:55:50,741 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66757cd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:55:50, skipping insertion in model container [2024-11-09 06:55:50,741 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:55:50" (3/3) ... [2024-11-09 06:55:50,743 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point_ldv-val-v0.8.cil.out.i [2024-11-09 06:55:50,770 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:55:50,771 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:55:50,891 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:55:50,900 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;@1fcaeab1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:55:50,900 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:55:50,911 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) [2024-11-09 06:55:50,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-11-09 06:55:50,947 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:55:50,948 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] [2024-11-09 06:55:50,948 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:55:50,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:55:50,954 INFO L85 PathProgramCache]: Analyzing trace with hash -2122681834, now seen corresponding path program 1 times [2024-11-09 06:55:50,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:55:50,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839596350] [2024-11-09 06:55:50,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:55:50,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms