/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/SifaC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 13:16:47,318 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 13:16:47,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 13:16:47,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 13:16:47,362 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 13:16:47,364 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 13:16:47,367 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 13:16:47,371 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 13:16:47,373 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 13:16:47,377 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 13:16:47,379 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 13:16:47,380 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 13:16:47,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 13:16:47,383 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 13:16:47,384 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 13:16:47,385 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 13:16:47,386 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 13:16:47,386 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 13:16:47,388 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 13:16:47,393 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 13:16:47,395 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 13:16:47,396 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 13:16:47,397 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 13:16:47,398 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 13:16:47,405 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 13:16:47,406 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 13:16:47,406 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 13:16:47,408 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 13:16:47,408 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 13:16:47,409 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 13:16:47,409 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 13:16:47,409 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 13:16:47,411 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 13:16:47,411 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 13:16:47,412 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 13:16:47,412 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 13:16:47,412 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 13:16:47,413 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 13:16:47,413 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 13:16:47,413 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 13:16:47,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 13:16:47,416 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-03-31 13:16:47,444 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 13:16:47,444 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 13:16:47,445 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 13:16:47,445 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 13:16:47,446 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 13:16:47,446 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 13:16:47,446 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 13:16:47,446 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 13:16:47,446 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 13:16:47,447 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 13:16:47,447 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 13:16:47,447 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 13:16:47,448 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 13:16:47,448 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 13:16:47,448 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 13:16:47,448 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 13:16:47,448 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 13:16:47,448 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 13:16:47,449 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 13:16:47,449 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 13:16:47,449 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 13:16:47,450 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 13:16:47,450 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 13:16:47,450 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 13:16:47,450 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 13:16:47,450 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 13:16:47,450 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 13:16:47,450 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 13:16:47,451 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 13:16:47,451 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 13:16:47,451 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 13:16:47,451 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 13:16:47,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 13:16:47,452 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 13:16:47,452 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 13:16:47,452 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 13:16:47,452 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 13:16:47,452 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 13:16:47,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 13:16:47,453 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 13:16:47,453 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 13:16:47,453 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-03-31 13:16:47,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 13:16:47,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 13:16:47,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 13:16:47,725 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 13:16:47,726 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 13:16:47,727 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a.i [2023-03-31 13:16:48,925 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 13:16:49,242 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 13:16:49,242 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a.i [2023-03-31 13:16:49,261 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e9430769/29778c765966429eadd3ad8b93ffa12f/FLAG9604a48b7 [2023-03-31 13:16:49,274 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e9430769/29778c765966429eadd3ad8b93ffa12f [2023-03-31 13:16:49,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 13:16:49,278 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 13:16:49,281 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 13:16:49,281 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 13:16:49,285 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 13:16:49,286 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:16:49" (1/1) ... [2023-03-31 13:16:49,287 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@143d09ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:16:49, skipping insertion in model container [2023-03-31 13:16:49,287 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:16:49" (1/1) ... [2023-03-31 13:16:49,293 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 13:16:49,345 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 13:16:49,732 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a.i[36170,36183] [2023-03-31 13:16:49,768 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 13:16:49,782 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 13:16:49,879 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a.i[36170,36183] [2023-03-31 13:16:49,897 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 13:16:49,916 INFO L208 MainTranslator]: Completed translation [2023-03-31 13:16:49,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:16:49 WrapperNode [2023-03-31 13:16:49,917 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 13:16:49,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 13:16:49,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 13:16:49,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 13:16:49,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:16:49" (1/1) ... [2023-03-31 13:16:49,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:16:49" (1/1) ... [2023-03-31 13:16:49,945 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:16:49" (1/1) ... [2023-03-31 13:16:49,946 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:16:49" (1/1) ... [2023-03-31 13:16:49,993 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:16:49" (1/1) ... [2023-03-31 13:16:49,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:16:49" (1/1) ... [2023-03-31 13:16:50,002 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:16:49" (1/1) ... [2023-03-31 13:16:50,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:16:49" (1/1) ... [2023-03-31 13:16:50,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 13:16:50,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 13:16:50,026 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 13:16:50,026 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 13:16:50,027 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:16:49" (1/1) ... [2023-03-31 13:16:50,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 13:16:50,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 13:16:50,062 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-31 13:16:50,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-31 13:16:50,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 13:16:50,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 13:16:50,109 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 13:16:50,109 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-03-31 13:16:50,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-03-31 13:16:50,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-03-31 13:16:50,111 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-03-31 13:16:50,111 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-03-31 13:16:50,111 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2023-03-31 13:16:50,111 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2023-03-31 13:16:50,112 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_read_ch [2023-03-31 13:16:50,112 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_add_raw [2023-03-31 13:16:50,112 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove_raw [2023-03-31 13:16:50,112 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_ch_show [2023-03-31 13:16:50,112 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_label_show [2023-03-31 13:16:50,112 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_create_attr [2023-03-31 13:16:50,112 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove_attr [2023-03-31 13:16:50,112 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_probe [2023-03-31 13:16:50,112 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove [2023-03-31 13:16:50,112 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_init [2023-03-31 13:16:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_exit [2023-03-31 13:16:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 13:16:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-03-31 13:16:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-03-31 13:16:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_5 [2023-03-31 13:16:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_6 [2023-03-31 13:16:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-03-31 13:16:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-03-31 13:16:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-03-31 13:16:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-03-31 13:16:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-03-31 13:16:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-03-31 13:16:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_sysfs [2023-03-31 13:16:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2023-03-31 13:16:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-03-31 13:16:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-03-31 13:16:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-03-31 13:16:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-03-31 13:16:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2023-03-31 13:16:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-03-31 13:16:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-03-31 13:16:50,115 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2023-03-31 13:16:50,115 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_register [2023-03-31 13:16:50,115 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2023-03-31 13:16:50,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-03-31 13:16:50,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2023-03-31 13:16:50,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2023-03-31 13:16:50,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2023-03-31 13:16:50,117 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2023-03-31 13:16:50,117 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-03-31 13:16:50,117 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_register [2023-03-31 13:16:50,117 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2023-03-31 13:16:50,117 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_adc_read [2023-03-31 13:16:50,117 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_adc_register [2023-03-31 13:16:50,118 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_adc_release [2023-03-31 13:16:50,118 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-03-31 13:16:50,118 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 13:16:50,118 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 13:16:50,118 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-03-31 13:16:50,119 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-03-31 13:16:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 13:16:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 13:16:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-03-31 13:16:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-03-31 13:16:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2023-03-31 13:16:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-03-31 13:16:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2023-03-31 13:16:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-03-31 13:16:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_5 [2023-03-31 13:16:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_6 [2023-03-31 13:16:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2023-03-31 13:16:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-03-31 13:16:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-03-31 13:16:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2023-03-31 13:16:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-03-31 13:16:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-03-31 13:16:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_sysfs [2023-03-31 13:16:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2023-03-31 13:16:50,122 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-03-31 13:16:50,122 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 13:16:50,122 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-03-31 13:16:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 13:16:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-03-31 13:16:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 13:16:50,124 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-03-31 13:16:50,124 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-03-31 13:16:50,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-03-31 13:16:50,124 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-03-31 13:16:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-03-31 13:16:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-03-31 13:16:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_register [2023-03-31 13:16:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2023-03-31 13:16:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2023-03-31 13:16:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2023-03-31 13:16:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_register [2023-03-31 13:16:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2023-03-31 13:16:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_adc_read [2023-03-31 13:16:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_adc_register [2023-03-31 13:16:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_adc_release [2023-03-31 13:16:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_read_ch [2023-03-31 13:16:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 13:16:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_add_raw [2023-03-31 13:16:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove_raw [2023-03-31 13:16:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_ch_show [2023-03-31 13:16:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 13:16:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 13:16:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_label_show [2023-03-31 13:16:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_create_attr [2023-03-31 13:16:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 13:16:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove_attr [2023-03-31 13:16:50,127 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_probe [2023-03-31 13:16:50,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-31 13:16:50,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 13:16:50,127 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove [2023-03-31 13:16:50,127 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_init [2023-03-31 13:16:50,127 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_exit [2023-03-31 13:16:50,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-03-31 13:16:50,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2023-03-31 13:16:50,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2023-03-31 13:16:50,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-03-31 13:16:50,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2023-03-31 13:16:50,130 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 13:16:50,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-03-31 13:16:50,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-03-31 13:16:50,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-03-31 13:16:50,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-03-31 13:16:50,131 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 13:16:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 13:16:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 13:16:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-03-31 13:16:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 13:16:50,439 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 13:16:50,442 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 13:16:51,071 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 13:16:51,153 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 13:16:51,153 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-03-31 13:16:51,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:16:51 BoogieIcfgContainer [2023-03-31 13:16:51,157 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 13:16:51,158 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-31 13:16:51,158 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-31 13:16:51,158 INFO L275 PluginConnector]: Sifa initialized [2023-03-31 13:16:51,159 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:16:51" (1/1) ... [2023-03-31 13:16:51,159 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=OctagonDomain ♦ Max. Parallel Octagon=2 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=POLY_PAC ♦ Max. Parallel Equality=2 ♦ SizeLimitFluid Max. DAG Size=-1 [2023-03-31 13:16:51,188 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-31 13:16:51,188 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 13:16:51,197 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 13:16:51,202 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 13:16:51,203 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 13:16:52,044 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 252 for LOIs [2023-03-31 13:17:00,921 INFO L197 IcfgInterpreter]: Interpreting procedure s3c_hwmon_probe with input of size 40 for LOIs [2023-03-31 13:17:03,998 INFO L197 IcfgInterpreter]: Interpreting procedure s3c_hwmon_create_attr with input of size 55 for LOIs [2023-03-31 13:17:04,255 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_device_create_file_6 with input of size 99 for LOIs [2023-03-31 13:17:04,271 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_device_create_file_5 with input of size 99 for LOIs [2023-03-31 13:17:04,287 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute with input of size 22 for LOIs [2023-03-31 13:17:04,294 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_error with input of size 21 for LOIs [2023-03-31 13:17:04,295 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-31 13:17:04,305 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2023-03-31 13:17:04,305 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2023-03-31 13:17:04,306 INFO L158 Benchmark]: Toolchain (without parser) took 15027.90ms. Allocated memory was 313.5MB in the beginning and 1.3GB in the end (delta: 945.8MB). Free memory was 265.4MB in the beginning and 684.7MB in the end (delta: -419.2MB). Peak memory consumption was 528.5MB. Max. memory is 8.0GB. [2023-03-31 13:17:04,307 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 194.0MB. Free memory was 144.7MB in the beginning and 144.6MB in the end (delta: 143.4kB). There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 13:17:04,307 INFO L158 Benchmark]: CACSL2BoogieTranslator took 636.21ms. Allocated memory is still 313.5MB. Free memory was 265.4MB in the beginning and 236.5MB in the end (delta: 28.9MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2023-03-31 13:17:04,308 INFO L158 Benchmark]: Boogie Preprocessor took 93.45ms. Allocated memory is still 313.5MB. Free memory was 236.5MB in the beginning and 231.9MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-03-31 13:17:04,308 INFO L158 Benchmark]: RCFGBuilder took 1144.69ms. Allocated memory is still 313.5MB. Free memory was 231.9MB in the beginning and 255.9MB in the end (delta: -24.0MB). Peak memory consumption was 50.3MB. Max. memory is 8.0GB. [2023-03-31 13:17:04,309 INFO L158 Benchmark]: Sifa took 13147.43ms. Allocated memory was 313.5MB in the beginning and 1.3GB in the end (delta: 945.8MB). Free memory was 255.9MB in the beginning and 684.7MB in the end (delta: -428.7MB). Peak memory consumption was 518.1MB. Max. memory is 8.0GB. [2023-03-31 13:17:04,311 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 194.0MB. Free memory was 144.7MB in the beginning and 144.6MB in the end (delta: 143.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 636.21ms. Allocated memory is still 313.5MB. Free memory was 265.4MB in the beginning and 236.5MB in the end (delta: 28.9MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 93.45ms. Allocated memory is still 313.5MB. Free memory was 236.5MB in the beginning and 231.9MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1144.69ms. Allocated memory is still 313.5MB. Free memory was 231.9MB in the beginning and 255.9MB in the end (delta: -24.0MB). Peak memory consumption was 50.3MB. Max. memory is 8.0GB. * Sifa took 13147.43ms. Allocated memory was 313.5MB in the beginning and 1.3GB in the end (delta: 945.8MB). Free memory was 255.9MB in the beginning and 684.7MB in the end (delta: -428.7MB). Peak memory consumption was 518.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME: 13.1s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 65, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 496, TOOLS_POST_TIME: 5.4s, TOOLS_POST_CALL_APPLICATIONS: 131, TOOLS_POST_CALL_TIME: 2.3s, TOOLS_POST_RETURN_APPLICATIONS: 123, TOOLS_POST_RETURN_TIME: 2.4s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 748, TOOLS_QUANTIFIERELIM_TIME: 9.7s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.3s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 824, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 65, DOMAIN_JOIN_TIME: 1.7s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 20, DOMAIN_WIDEN_TIME: 0.8s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 56, DOMAIN_ISSUBSETEQ_TIME: 0.2s, DOMAIN_ISBOTTOM_APPLICATIONS: 65, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 36, LOOP_SUMMARIZER_CACHE_MISSES: 36, LOOP_SUMMARIZER_OVERALL_TIME: 8.9s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 8.9s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 56, CALL_SUMMARIZER_APPLICATIONS: 123, CALL_SUMMARIZER_CACHE_MISSES: 40, CALL_SUMMARIZER_OVERALL_TIME: 3.4s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 3.4s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.1s, DAG_COMPRESSION_PROCESSED_NODES: 1282, DAG_COMPRESSION_RETAINED_NODES: 419 - UnprovableResult [Line: 1275]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Over-approximation of reachable states at this location is 845#(and (<= 1 |#StackHeapBarrier|) (= ~LDV_IN_INTERRUPT~0 1) (= |~#s3c_hwmon_driver~0.offset| 0) (= ~ldv_call_dev_attr_of_sensor_device_attribute~0 1) (= 16 |~#s3c_hwmon_driver~0.base|) (= |#NULL.offset| 0) (< ~ldv_count_1~0 ~ldv_count_2~0) (= |#NULL.base| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-03-31 13:17:04,343 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...