./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--lm78.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_49e8fac5-1696-49ba-b6ac-0d8c51381283/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e8fac5-1696-49ba-b6ac-0d8c51381283/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e8fac5-1696-49ba-b6ac-0d8c51381283/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e8fac5-1696-49ba-b6ac-0d8c51381283/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--lm78.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e8fac5-1696-49ba-b6ac-0d8c51381283/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e8fac5-1696-49ba-b6ac-0d8c51381283/bin/utaipan-verify-DbMuA5NWw2 --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 f101c9f670424051cd8065375abf3569c944bebed10faf12f958054dc911cacc --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 11:23:48,496 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 11:23:48,571 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e8fac5-1696-49ba-b6ac-0d8c51381283/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 11:23:48,576 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 11:23:48,576 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 11:23:48,598 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 11:23:48,599 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 11:23:48,599 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 11:23:48,600 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 11:23:48,600 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 11:23:48,601 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 11:23:48,601 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 11:23:48,602 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 11:23:48,602 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 11:23:48,603 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 11:23:48,603 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 11:23:48,603 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 11:23:48,604 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 11:23:48,604 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 11:23:48,605 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 11:23:48,605 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 11:23:48,610 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 11:23:48,610 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 11:23:48,611 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 11:23:48,611 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 11:23:48,611 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 11:23:48,611 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 11:23:48,612 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 11:23:48,612 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 11:23:48,612 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 11:23:48,613 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 11:23:48,613 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 11:23:48,614 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 11:23:48,614 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 11:23:48,614 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 11:23:48,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:23:48,615 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 11:23:48,615 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 11:23:48,615 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 11:23:48,615 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 11:23:48,616 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 11:23:48,616 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 11:23:48,616 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 11:23:48,617 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 11:23:48,617 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_49e8fac5-1696-49ba-b6ac-0d8c51381283/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e8fac5-1696-49ba-b6ac-0d8c51381283/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f101c9f670424051cd8065375abf3569c944bebed10faf12f958054dc911cacc [2024-11-02 11:23:48,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 11:23:49,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 11:23:49,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 11:23:49,023 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 11:23:49,024 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 11:23:49,025 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e8fac5-1696-49ba-b6ac-0d8c51381283/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--lm78.ko-entry_point.cil.out.i Unable to find full path for "g++" [2024-11-02 11:23:51,662 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 11:23:52,334 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 11:23:52,334 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e8fac5-1696-49ba-b6ac-0d8c51381283/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--lm78.ko-entry_point.cil.out.i [2024-11-02 11:23:52,396 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e8fac5-1696-49ba-b6ac-0d8c51381283/bin/utaipan-verify-DbMuA5NWw2/data/b22d2275b/987d9ad4f3e94b59bfde1ece24ce3281/FLAG984121b37 [2024-11-02 11:23:52,419 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e8fac5-1696-49ba-b6ac-0d8c51381283/bin/utaipan-verify-DbMuA5NWw2/data/b22d2275b/987d9ad4f3e94b59bfde1ece24ce3281 [2024-11-02 11:23:52,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 11:23:52,425 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 11:23:52,428 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 11:23:52,429 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 11:23:52,436 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 11:23:52,437 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:23:52" (1/1) ... [2024-11-02 11:23:52,440 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c3c6981 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:52, skipping insertion in model container [2024-11-02 11:23:52,440 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:23:52" (1/1) ... [2024-11-02 11:23:52,600 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 11:23:54,121 WARN L251 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_49e8fac5-1696-49ba-b6ac-0d8c51381283/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--lm78.ko-entry_point.cil.out.i[173663,173676] [2024-11-02 11:23:54,245 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:23:54,335 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 11:23:54,678 WARN L251 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_49e8fac5-1696-49ba-b6ac-0d8c51381283/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--lm78.ko-entry_point.cil.out.i[173663,173676] [2024-11-02 11:23:54,703 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:23:55,022 INFO L204 MainTranslator]: Completed translation [2024-11-02 11:23:55,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:55 WrapperNode [2024-11-02 11:23:55,023 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 11:23:55,024 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 11:23:55,024 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 11:23:55,025 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 11:23:55,033 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:55" (1/1) ... [2024-11-02 11:23:55,126 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:55" (1/1) ... [2024-11-02 11:23:55,301 INFO L138 Inliner]: procedures = 187, calls = 1895, calls flagged for inlining = 81, calls inlined = 78, statements flattened = 5251 [2024-11-02 11:23:55,302 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 11:23:55,303 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 11:23:55,303 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 11:23:55,303 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 11:23:55,314 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:55" (1/1) ... [2024-11-02 11:23:55,315 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:55" (1/1) ... [2024-11-02 11:23:55,364 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:55" (1/1) ... [2024-11-02 11:23:55,364 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:55" (1/1) ... [2024-11-02 11:23:55,475 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:55" (1/1) ... [2024-11-02 11:23:55,503 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:55" (1/1) ... [2024-11-02 11:23:55,546 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:55" (1/1) ... [2024-11-02 11:23:55,562 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:55" (1/1) ... [2024-11-02 11:23:55,604 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 11:23:55,606 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 11:23:55,606 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 11:23:55,607 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 11:23:55,608 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:55" (1/1) ... [2024-11-02 11:23:55,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:23:55,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e8fac5-1696-49ba-b6ac-0d8c51381283/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:23:55,645 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e8fac5-1696-49ba-b6ac-0d8c51381283/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 11:23:55,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e8fac5-1696-49ba-b6ac-0d8c51381283/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 11:23:55,684 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan [2024-11-02 11:23:55,684 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan [2024-11-02 11:23:55,684 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-02 11:23:55,684 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-02 11:23:55,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 11:23:55,685 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_max [2024-11-02 11:23:55,685 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_max [2024-11-02 11:23:55,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 11:23:55,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-02 11:23:55,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-02 11:23:55,685 INFO L130 BoogieDeclarations]: Found specification of procedure set_in_max [2024-11-02 11:23:55,685 INFO L138 BoogieDeclarations]: Found implementation of procedure set_in_max [2024-11-02 11:23:55,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 11:23:55,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-02 11:23:55,686 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-02 11:23:55,686 INFO L130 BoogieDeclarations]: Found specification of procedure FAN_TO_REG [2024-11-02 11:23:55,686 INFO L138 BoogieDeclarations]: Found implementation of procedure FAN_TO_REG [2024-11-02 11:23:55,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-02 11:23:55,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-02 11:23:55,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_lm78_data [2024-11-02 11:23:55,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_lm78_data [2024-11-02 11:23:55,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_lm78_data [2024-11-02 11:23:55,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_lm78_data [2024-11-02 11:23:55,687 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_div [2024-11-02 11:23:55,687 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_div [2024-11-02 11:23:55,687 INFO L130 BoogieDeclarations]: Found specification of procedure set_fan_div [2024-11-02 11:23:55,687 INFO L138 BoogieDeclarations]: Found implementation of procedure set_fan_div [2024-11-02 11:23:55,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 11:23:55,688 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-02 11:23:55,688 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-02 11:23:55,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-02 11:23:55,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-02 11:23:55,688 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-02 11:23:55,688 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-02 11:23:55,688 INFO L130 BoogieDeclarations]: Found specification of procedure lm78_read_value [2024-11-02 11:23:55,688 INFO L138 BoogieDeclarations]: Found implementation of procedure lm78_read_value [2024-11-02 11:23:55,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-02 11:23:55,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-02 11:23:55,689 INFO L130 BoogieDeclarations]: Found specification of procedure IN_TO_REG [2024-11-02 11:23:55,689 INFO L138 BoogieDeclarations]: Found implementation of procedure IN_TO_REG [2024-11-02 11:23:55,689 INFO L130 BoogieDeclarations]: Found specification of procedure set_in_min [2024-11-02 11:23:55,689 INFO L138 BoogieDeclarations]: Found implementation of procedure set_in_min [2024-11-02 11:23:55,689 INFO L130 BoogieDeclarations]: Found specification of procedure lm78_isa_unregister [2024-11-02 11:23:55,689 INFO L138 BoogieDeclarations]: Found implementation of procedure lm78_isa_unregister [2024-11-02 11:23:55,689 INFO L130 BoogieDeclarations]: Found specification of procedure lm78_i2c_detect [2024-11-02 11:23:55,689 INFO L138 BoogieDeclarations]: Found implementation of procedure lm78_i2c_detect [2024-11-02 11:23:55,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-02 11:23:55,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-02 11:23:55,690 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 11:23:55,690 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 11:23:55,690 INFO L130 BoogieDeclarations]: Found specification of procedure TEMP_TO_REG [2024-11-02 11:23:55,690 INFO L138 BoogieDeclarations]: Found implementation of procedure TEMP_TO_REG [2024-11-02 11:23:55,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 11:23:55,690 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-02 11:23:55,691 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-02 11:23:55,691 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_min [2024-11-02 11:23:55,691 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_min [2024-11-02 11:23:55,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-02 11:23:55,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-02 11:23:55,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 11:23:55,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 11:23:55,691 INFO L130 BoogieDeclarations]: Found specification of procedure set_fan_min [2024-11-02 11:23:55,691 INFO L138 BoogieDeclarations]: Found implementation of procedure set_fan_min [2024-11-02 11:23:55,692 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_min [2024-11-02 11:23:55,692 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_min [2024-11-02 11:23:55,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 11:23:55,692 INFO L130 BoogieDeclarations]: Found specification of procedure show_alarm [2024-11-02 11:23:55,692 INFO L138 BoogieDeclarations]: Found implementation of procedure show_alarm [2024-11-02 11:23:55,692 INFO L130 BoogieDeclarations]: Found specification of procedure lm78_write_value [2024-11-02 11:23:55,692 INFO L138 BoogieDeclarations]: Found implementation of procedure lm78_write_value [2024-11-02 11:23:55,692 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte_data [2024-11-02 11:23:55,692 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte_data [2024-11-02 11:23:55,693 INFO L130 BoogieDeclarations]: Found specification of procedure show_in [2024-11-02 11:23:55,693 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in [2024-11-02 11:23:55,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 11:23:55,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-02 11:23:55,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-02 11:23:55,693 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtol [2024-11-02 11:23:55,693 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtol [2024-11-02 11:23:55,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 11:23:55,693 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2024-11-02 11:23:55,693 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2024-11-02 11:23:55,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 11:23:55,694 INFO L130 BoogieDeclarations]: Found specification of procedure lm78_update_device [2024-11-02 11:23:55,694 INFO L138 BoogieDeclarations]: Found implementation of procedure lm78_update_device [2024-11-02 11:23:55,694 INFO L130 BoogieDeclarations]: Found specification of procedure FAN_FROM_REG [2024-11-02 11:23:55,694 INFO L138 BoogieDeclarations]: Found implementation of procedure FAN_FROM_REG [2024-11-02 11:23:55,694 INFO L130 BoogieDeclarations]: Found specification of procedure TEMP_FROM_REG [2024-11-02 11:23:55,694 INFO L138 BoogieDeclarations]: Found implementation of procedure TEMP_FROM_REG [2024-11-02 11:23:55,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 11:23:55,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 11:23:55,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 11:23:55,695 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-02 11:23:55,695 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-02 11:23:56,498 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 11:23:56,501 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 11:23:56,755 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-02 11:24:16,553 INFO L? ?]: Removed 1371 outVars from TransFormulas that were not future-live. [2024-11-02 11:24:16,553 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 11:24:18,342 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 11:24:18,342 INFO L316 CfgBuilder]: Removed 12 assume(true) statements. [2024-11-02 11:24:18,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:24:18 BoogieIcfgContainer [2024-11-02 11:24:18,343 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 11:24:18,346 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 11:24:18,346 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 11:24:18,351 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 11:24:18,352 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:23:52" (1/3) ... [2024-11-02 11:24:18,353 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@435ae437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:24:18, skipping insertion in model container [2024-11-02 11:24:18,353 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:55" (2/3) ... [2024-11-02 11:24:18,353 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@435ae437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:24:18, skipping insertion in model container [2024-11-02 11:24:18,353 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:24:18" (3/3) ... [2024-11-02 11:24:18,355 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--lm78.ko-entry_point.cil.out.i [2024-11-02 11:24:18,377 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 11:24:18,378 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 11:24:18,532 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 11:24:18,540 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;@44757535, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 11:24:18,540 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 11:24:18,555 INFO L276 IsEmpty]: Start isEmpty. Operand has 1251 states, 795 states have (on average 1.431446540880503) internal successors, (1138), 851 states have internal predecessors, (1138), 415 states have call successors, (415), 40 states have call predecessors, (415), 39 states have return successors, (366), 366 states have call predecessors, (366), 366 states have call successors, (366) [2024-11-02 11:24:18,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1555 [2024-11-02 11:24:18,700 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:24:18,701 INFO L215 NwaCegarLoop]: trace histogram [119, 119, 119, 119, 119, 119, 119, 119, 119, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:24:18,702 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:24:18,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:24:18,709 INFO L85 PathProgramCache]: Analyzing trace with hash 237648825, now seen corresponding path program 1 times [2024-11-02 11:24:18,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:24:18,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849519314] [2024-11-02 11:24:18,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:24:18,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms