./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--abituguru3.ko-main.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_4537077b-bcf7-49b9-987a-c706450ade75/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537077b-bcf7-49b9-987a-c706450ade75/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_4537077b-bcf7-49b9-987a-c706450ade75/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537077b-bcf7-49b9-987a-c706450ade75/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--abituguru3.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537077b-bcf7-49b9-987a-c706450ade75/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_4537077b-bcf7-49b9-987a-c706450ade75/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 7d6844ab51374c8e656234daa6d7df2c3927c38bae9fcbeafc3fadf6f3b893b1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:51:01,367 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:51:01,472 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537077b-bcf7-49b9-987a-c706450ade75/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-14 03:51:01,477 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:51:01,478 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:51:01,503 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:51:01,504 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:51:01,504 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:51:01,505 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:51:01,505 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:51:01,505 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:51:01,505 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:51:01,505 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:51:01,505 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:51:01,506 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:51:01,506 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:51:01,506 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:51:01,506 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:51:01,506 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:51:01,506 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:51:01,507 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:51:01,507 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:51:01,507 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:51:01,507 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:51:01,508 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:51:01,508 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:51:01,508 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:51:01,508 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:51:01,508 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:51:01,508 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:51:01,508 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:51:01,509 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:51:01,509 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:51:01,509 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:51:01,509 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:51:01,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:51:01,510 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:51:01,510 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:51:01,510 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:51:01,510 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:51:01,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:51:01,510 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:51:01,511 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:51:01,511 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:51:01,511 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_4537077b-bcf7-49b9-987a-c706450ade75/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 -> 7d6844ab51374c8e656234daa6d7df2c3927c38bae9fcbeafc3fadf6f3b893b1 [2024-11-14 03:51:01,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:51:01,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:51:01,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:51:01,921 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:51:01,921 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:51:01,924 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537077b-bcf7-49b9-987a-c706450ade75/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--abituguru3.ko-main.cil.out.i Unable to find full path for "g++" [2024-11-14 03:51:04,067 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:51:04,635 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:51:04,636 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537077b-bcf7-49b9-987a-c706450ade75/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--abituguru3.ko-main.cil.out.i [2024-11-14 03:51:04,689 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537077b-bcf7-49b9-987a-c706450ade75/bin/utaipan-verify-sOmjnqqW8E/data/80bdefb7a/29fbf34eb5024a3686ebcecd99a09944/FLAGea1a53cd6 [2024-11-14 03:51:04,718 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537077b-bcf7-49b9-987a-c706450ade75/bin/utaipan-verify-sOmjnqqW8E/data/80bdefb7a/29fbf34eb5024a3686ebcecd99a09944 [2024-11-14 03:51:04,722 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:51:04,724 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:51:04,728 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:51:04,730 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:51:04,735 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:51:04,736 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:51:04" (1/1) ... [2024-11-14 03:51:04,737 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59b286fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:51:04, skipping insertion in model container [2024-11-14 03:51:04,738 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:51:04" (1/1) ... [2024-11-14 03:51:04,830 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:51:05,966 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_4537077b-bcf7-49b9-987a-c706450ade75/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--abituguru3.ko-main.cil.out.i[132927,132940] [2024-11-14 03:51:06,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:51:06,301 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:51:06,395 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [1076] [2024-11-14 03:51:06,401 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [1083] [2024-11-14 03:51:06,625 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_4537077b-bcf7-49b9-987a-c706450ade75/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--abituguru3.ko-main.cil.out.i[132927,132940] [2024-11-14 03:51:06,651 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:51:06,904 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:51:06,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:51:06 WrapperNode [2024-11-14 03:51:06,905 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:51:06,906 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:51:06,906 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:51:06,907 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:51:06,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:51:06" (1/1) ... [2024-11-14 03:51:07,023 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:51:06" (1/1) ... [2024-11-14 03:51:07,332 INFO L138 Inliner]: procedures = 134, calls = 5392, calls flagged for inlining = 57, calls inlined = 51, statements flattened = 6587 [2024-11-14 03:51:07,333 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:51:07,334 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:51:07,334 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:51:07,334 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:51:07,345 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:51:06" (1/1) ... [2024-11-14 03:51:07,345 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:51:06" (1/1) ... [2024-11-14 03:51:07,426 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:51:06" (1/1) ... [2024-11-14 03:51:07,428 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:51:06" (1/1) ... [2024-11-14 03:51:07,746 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:51:06" (1/1) ... [2024-11-14 03:51:07,786 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:51:06" (1/1) ... [2024-11-14 03:51:07,819 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:51:06" (1/1) ... [2024-11-14 03:51:07,832 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:51:06" (1/1) ... [2024-11-14 03:51:07,876 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:51:07,877 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:51:07,877 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:51:07,877 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:51:07,879 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:51:06" (1/1) ... [2024-11-14 03:51:07,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:51:07,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537077b-bcf7-49b9-987a-c706450ade75/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:51:07,920 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537077b-bcf7-49b9-987a-c706450ade75/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:51:07,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4537077b-bcf7-49b9-987a-c706450ade75/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:51:07,961 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru3_wait_while_busy [2024-11-14 03:51:07,962 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru3_wait_while_busy [2024-11-14 03:51:07,963 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-14 03:51:07,963 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-14 03:51:07,963 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru3_wait_for_read [2024-11-14 03:51:07,963 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru3_wait_for_read [2024-11-14 03:51:07,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-14 03:51:07,963 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-14 03:51:07,964 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-14 03:51:07,964 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2024-11-14 03:51:07,964 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2024-11-14 03:51:07,964 INFO L130 BoogieDeclarations]: Found specification of procedure dmi_get_system_info [2024-11-14 03:51:07,965 INFO L138 BoogieDeclarations]: Found implementation of procedure dmi_get_system_info [2024-11-14 03:51:07,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-14 03:51:07,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 03:51:07,965 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru3_read [2024-11-14 03:51:07,965 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru3_read [2024-11-14 03:51:07,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-14 03:51:07,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-14 03:51:07,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 03:51:07,966 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-14 03:51:07,966 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-14 03:51:07,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-14 03:51:07,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-14 03:51:07,966 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2024-11-14 03:51:07,966 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2024-11-14 03:51:07,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_abituguru3_data [2024-11-14 03:51:07,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_abituguru3_data [2024-11-14 03:51:07,966 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru3_suspend [2024-11-14 03:51:07,967 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru3_suspend [2024-11-14 03:51:07,967 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru3_read_increment_offset [2024-11-14 03:51:07,967 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru3_read_increment_offset [2024-11-14 03:51:07,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 03:51:07,967 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2024-11-14 03:51:07,967 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2024-11-14 03:51:07,967 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-14 03:51:07,967 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-14 03:51:07,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:51:07,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 03:51:07,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 03:51:07,967 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru3_update_device [2024-11-14 03:51:07,967 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru3_update_device [2024-11-14 03:51:07,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 03:51:07,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 03:51:07,968 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2024-11-14 03:51:07,968 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2024-11-14 03:51:07,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_abituguru3_data [2024-11-14 03:51:07,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_abituguru3_data [2024-11-14 03:51:07,968 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-14 03:51:07,968 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-14 03:51:07,968 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-14 03:51:07,968 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-14 03:51:07,968 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-14 03:51:07,968 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-14 03:51:07,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:51:07,968 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2024-11-14 03:51:07,969 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2024-11-14 03:51:07,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:51:07,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:51:07,969 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru3_resume [2024-11-14 03:51:07,969 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru3_resume [2024-11-14 03:51:07,969 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-14 03:51:07,972 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-14 03:51:08,408 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:51:08,412 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:52:12,826 INFO L? ?]: Removed 423 outVars from TransFormulas that were not future-live. [2024-11-14 03:52:12,827 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:52:21,389 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:52:21,390 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:52:21,390 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:52:21 BoogieIcfgContainer [2024-11-14 03:52:21,391 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:52:21,397 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:52:21,398 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:52:21,403 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:52:21,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:51:04" (1/3) ... [2024-11-14 03:52:21,404 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11751f72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:52:21, skipping insertion in model container [2024-11-14 03:52:21,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:51:06" (2/3) ... [2024-11-14 03:52:21,405 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11751f72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:52:21, skipping insertion in model container [2024-11-14 03:52:21,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:52:21" (3/3) ... [2024-11-14 03:52:21,407 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--hwmon--abituguru3.ko-main.cil.out.i [2024-11-14 03:52:21,424 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:52:21,428 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 32_7a_cilled_linux-3.8-rc1-drivers--hwmon--abituguru3.ko-main.cil.out.i that has 26 procedures, 395 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:52:21,526 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:52:21,545 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;@3d459117, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:52:21,546 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:52:21,554 INFO L276 IsEmpty]: Start isEmpty. Operand has 395 states, 269 states have (on average 1.420074349442379) internal successors, (382), 278 states have internal predecessors, (382), 99 states have call successors, (99), 25 states have call predecessors, (99), 25 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-11-14 03:52:21,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-14 03:52:21,563 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:52:21,564 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:52:21,564 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:52:21,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:52:21,573 INFO L85 PathProgramCache]: Analyzing trace with hash 620979624, now seen corresponding path program 1 times [2024-11-14 03:52:21,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:52:21,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364827870] [2024-11-14 03:52:21,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:52:21,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms