./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--amc6821.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33666bf-59fe-4fe7-b881-3b3ed828b4ba/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33666bf-59fe-4fe7-b881-3b3ed828b4ba/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_e33666bf-59fe-4fe7-b881-3b3ed828b4ba/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33666bf-59fe-4fe7-b881-3b3ed828b4ba/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--amc6821.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33666bf-59fe-4fe7-b881-3b3ed828b4ba/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_e33666bf-59fe-4fe7-b881-3b3ed828b4ba/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 b4ab5f9a609d808b1cc730f70e246b6cee2b77e8055db2b71a14eb45eb69a8df --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:28:55,312 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:28:55,411 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33666bf-59fe-4fe7-b881-3b3ed828b4ba/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:28:55,420 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:28:55,421 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:28:55,448 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:28:55,448 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:28:55,449 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:28:55,452 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:28:55,452 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:28:55,453 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:28:55,453 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:28:55,454 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:28:55,454 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:28:55,456 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:28:55,457 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:28:55,458 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:28:55,461 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:28:55,462 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:28:55,462 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:28:55,462 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:28:55,463 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:28:55,466 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:28:55,466 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:28:55,466 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:28:55,467 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:28:55,467 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:28:55,467 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:28:55,467 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:28:55,468 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:28:55,469 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:28:55,469 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:28:55,470 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:28:55,471 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:28:55,471 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:28:55,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:28:55,472 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:28:55,472 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:28:55,473 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:28:55,473 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:28:55,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:28:55,474 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:28:55,474 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:28:55,474 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:28:55,474 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_e33666bf-59fe-4fe7-b881-3b3ed828b4ba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33666bf-59fe-4fe7-b881-3b3ed828b4ba/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b4ab5f9a609d808b1cc730f70e246b6cee2b77e8055db2b71a14eb45eb69a8df [2024-11-02 12:28:55,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:28:55,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:28:55,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:28:55,855 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:28:55,855 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:28:55,857 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33666bf-59fe-4fe7-b881-3b3ed828b4ba/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--amc6821.ko-main.cil.out.i Unable to find full path for "g++" [2024-11-02 12:28:57,973 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:28:58,462 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:28:58,463 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33666bf-59fe-4fe7-b881-3b3ed828b4ba/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--amc6821.ko-main.cil.out.i [2024-11-02 12:28:58,505 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33666bf-59fe-4fe7-b881-3b3ed828b4ba/bin/utaipan-verify-DbMuA5NWw2/data/3b18fd72e/447510e6061742a2bdb602311955cba9/FLAG1b770d628 [2024-11-02 12:28:58,556 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33666bf-59fe-4fe7-b881-3b3ed828b4ba/bin/utaipan-verify-DbMuA5NWw2/data/3b18fd72e/447510e6061742a2bdb602311955cba9 [2024-11-02 12:28:58,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:28:58,564 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:28:58,565 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:28:58,566 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:28:58,574 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:28:58,575 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:28:58" (1/1) ... [2024-11-02 12:28:58,576 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48182950 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:58, skipping insertion in model container [2024-11-02 12:28:58,577 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:28:58" (1/1) ... [2024-11-02 12:28:58,676 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:28:59,877 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_e33666bf-59fe-4fe7-b881-3b3ed828b4ba/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--amc6821.ko-main.cil.out.i[139464,139477] [2024-11-02 12:28:59,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:29:00,058 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:29:00,390 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_e33666bf-59fe-4fe7-b881-3b3ed828b4ba/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--amc6821.ko-main.cil.out.i[139464,139477] [2024-11-02 12:29:00,418 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:29:00,583 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:29:00,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:00 WrapperNode [2024-11-02 12:29:00,584 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:29:00,586 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:29:00,586 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:29:00,586 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:29:00,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:00" (1/1) ... [2024-11-02 12:29:00,669 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:00" (1/1) ... [2024-11-02 12:29:00,886 INFO L138 Inliner]: procedures = 140, calls = 1423, calls flagged for inlining = 60, calls inlined = 52, statements flattened = 4160 [2024-11-02 12:29:00,886 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:29:00,887 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:29:00,888 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:29:00,888 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:29:00,898 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:00" (1/1) ... [2024-11-02 12:29:00,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:00" (1/1) ... [2024-11-02 12:29:00,930 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:00" (1/1) ... [2024-11-02 12:29:00,931 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:00" (1/1) ... [2024-11-02 12:29:01,023 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:00" (1/1) ... [2024-11-02 12:29:01,052 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:00" (1/1) ... [2024-11-02 12:29:01,074 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:00" (1/1) ... [2024-11-02 12:29:01,092 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:00" (1/1) ... [2024-11-02 12:29:01,121 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:29:01,122 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:29:01,123 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:29:01,124 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:29:01,125 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:00" (1/1) ... [2024-11-02 12:29:01,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:29:01,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33666bf-59fe-4fe7-b881-3b3ed828b4ba/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:29:01,171 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33666bf-59fe-4fe7-b881-3b3ed828b4ba/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:29:01,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33666bf-59fe-4fe7-b881-3b3ed828b4ba/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:29:01,207 INFO L130 BoogieDeclarations]: Found specification of procedure get_pwm1_auto_point_pwm [2024-11-02 12:29:01,207 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pwm1_auto_point_pwm [2024-11-02 12:29:01,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 12:29:01,208 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-02 12:29:01,208 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-02 12:29:01,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 12:29:01,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:29:01,210 INFO L130 BoogieDeclarations]: Found specification of procedure get_fan [2024-11-02 12:29:01,210 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fan [2024-11-02 12:29:01,210 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2024-11-02 12:29:01,210 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2024-11-02 12:29:01,210 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2024-11-02 12:29:01,210 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2024-11-02 12:29:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure amc6821_detect [2024-11-02 12:29:01,211 INFO L138 BoogieDeclarations]: Found implementation of procedure amc6821_detect [2024-11-02 12:29:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-02 12:29:01,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-02 12:29:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:29:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-02 12:29:01,211 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-02 12:29:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-02 12:29:01,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-02 12:29:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-02 12:29:01,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-02 12:29:01,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-02 12:29:01,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-02 12:29:01,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:29:01,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_amc6821_data [2024-11-02 12:29:01,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_amc6821_data [2024-11-02 12:29:01,212 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-02 12:29:01,212 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-02 12:29:01,212 INFO L130 BoogieDeclarations]: Found specification of procedure get_temp_auto_point_temp [2024-11-02 12:29:01,212 INFO L138 BoogieDeclarations]: Found implementation of procedure get_temp_auto_point_temp [2024-11-02 12:29:01,213 INFO L130 BoogieDeclarations]: Found specification of procedure set_slope_register [2024-11-02 12:29:01,213 INFO L138 BoogieDeclarations]: Found implementation of procedure set_slope_register [2024-11-02 12:29:01,214 INFO L130 BoogieDeclarations]: Found specification of procedure get_temp_alarm [2024-11-02 12:29:01,214 INFO L138 BoogieDeclarations]: Found implementation of procedure get_temp_alarm [2024-11-02 12:29:01,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:29:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:29:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:29:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure SENSORS_LIMIT [2024-11-02 12:29:01,215 INFO L138 BoogieDeclarations]: Found implementation of procedure SENSORS_LIMIT [2024-11-02 12:29:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte_data [2024-11-02 12:29:01,215 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte_data [2024-11-02 12:29:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 12:29:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure amc6821_update_device [2024-11-02 12:29:01,216 INFO L138 BoogieDeclarations]: Found implementation of procedure amc6821_update_device [2024-11-02 12:29:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtol [2024-11-02 12:29:01,216 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtol [2024-11-02 12:29:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:29:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 12:29:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure get_temp [2024-11-02 12:29:01,217 INFO L138 BoogieDeclarations]: Found implementation of procedure get_temp [2024-11-02 12:29:01,217 INFO L130 BoogieDeclarations]: Found specification of procedure set_temp [2024-11-02 12:29:01,217 INFO L138 BoogieDeclarations]: Found implementation of procedure set_temp [2024-11-02 12:29:01,217 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-02 12:29:01,217 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-02 12:29:01,217 INFO L130 BoogieDeclarations]: Found specification of procedure set_fan [2024-11-02 12:29:01,218 INFO L138 BoogieDeclarations]: Found implementation of procedure set_fan [2024-11-02 12:29:01,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:29:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte_data [2024-11-02 12:29:01,219 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte_data [2024-11-02 12:29:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_amc6821_data [2024-11-02 12:29:01,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_amc6821_data [2024-11-02 12:29:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:29:01,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:29:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure set_temp_auto_point_temp [2024-11-02 12:29:01,221 INFO L138 BoogieDeclarations]: Found implementation of procedure set_temp_auto_point_temp [2024-11-02 12:29:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-02 12:29:01,221 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-02 12:29:01,905 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:29:01,907 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:29:17,913 INFO L? ?]: Removed 1094 outVars from TransFormulas that were not future-live. [2024-11-02 12:29:17,913 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:29:19,881 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:29:19,884 INFO L316 CfgBuilder]: Removed 16 assume(true) statements. [2024-11-02 12:29:19,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:29:19 BoogieIcfgContainer [2024-11-02 12:29:19,884 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:29:19,888 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:29:19,889 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:29:19,892 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:29:19,893 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:28:58" (1/3) ... [2024-11-02 12:29:19,894 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cc9cfb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:29:19, skipping insertion in model container [2024-11-02 12:29:19,894 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:00" (2/3) ... [2024-11-02 12:29:19,895 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cc9cfb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:29:19, skipping insertion in model container [2024-11-02 12:29:19,896 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:29:19" (3/3) ... [2024-11-02 12:29:19,898 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--hwmon--amc6821.ko-main.cil.out.i [2024-11-02 12:29:19,918 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:29:19,919 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:29:20,045 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:29:20,052 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;@5144737e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:29:20,053 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:29:20,061 INFO L276 IsEmpty]: Start isEmpty. Operand has 753 states, 524 states have (on average 1.5286259541984732) internal successors, (801), 531 states have internal predecessors, (801), 199 states have call successors, (199), 28 states have call predecessors, (199), 28 states have return successors, (199), 199 states have call predecessors, (199), 199 states have call successors, (199) [2024-11-02 12:29:20,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-02 12:29:20,082 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:29:20,084 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 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 12:29:20,086 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:29:20,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:29:20,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1916258273, now seen corresponding path program 1 times [2024-11-02 12:29:20,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:29:20,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277869746] [2024-11-02 12:29:20,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:29:20,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms