./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4935e97d-b962-4004-8070-8a85135be7c3/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4935e97d-b962-4004-8070-8a85135be7c3/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4935e97d-b962-4004-8070-8a85135be7c3/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4935e97d-b962-4004-8070-8a85135be7c3/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4935e97d-b962-4004-8070-8a85135be7c3/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4935e97d-b962-4004-8070-8a85135be7c3/bin/uautomizer-verify-LYvppIcaGC --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash df3122c305d6dc862f77eb5692ed83942da5e87e87efb099ff088ec135f2c08f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:46:41,393 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:46:41,507 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4935e97d-b962-4004-8070-8a85135be7c3/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-24 00:46:41,517 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:46:41,517 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:46:41,563 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:46:41,565 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:46:41,565 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:46:41,566 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:46:41,566 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:46:41,566 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:46:41,566 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:46:41,567 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:46:41,567 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:46:41,567 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:46:41,567 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:46:41,567 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:46:41,567 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:46:41,568 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:46:41,568 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:46:41,570 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:46:41,570 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:46:41,570 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:46:41,571 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:46:41,571 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:46:41,571 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:46:41,571 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:46:41,571 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:46:41,571 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:46:41,571 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:46:41,571 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:46:41,572 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:46:41,572 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:46:41,572 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:46:41,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:46:41,572 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:46:41,572 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:46:41,572 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:46:41,572 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:46:41,572 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:46:41,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:46:41,573 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:46:41,573 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:46:41,573 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:46:41,573 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:46:41,573 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_4935e97d-b962-4004-8070-8a85135be7c3/bin/uautomizer-verify-LYvppIcaGC 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 -> Automizer 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 -> df3122c305d6dc862f77eb5692ed83942da5e87e87efb099ff088ec135f2c08f [2024-11-24 00:46:41,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:46:41,964 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:46:41,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:46:41,968 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:46:41,969 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:46:41,970 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4935e97d-b962-4004-8070-8a85135be7c3/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a.i [2024-11-24 00:46:45,142 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4935e97d-b962-4004-8070-8a85135be7c3/bin/uautomizer-verify-LYvppIcaGC/data/e15a7fd10/4457103301ac490e9917013113febe9b/FLAG5dc528ab9 [2024-11-24 00:46:45,585 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:46:45,586 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4935e97d-b962-4004-8070-8a85135be7c3/sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a.i [2024-11-24 00:46:45,606 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4935e97d-b962-4004-8070-8a85135be7c3/bin/uautomizer-verify-LYvppIcaGC/data/e15a7fd10/4457103301ac490e9917013113febe9b/FLAG5dc528ab9 [2024-11-24 00:46:45,629 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4935e97d-b962-4004-8070-8a85135be7c3/bin/uautomizer-verify-LYvppIcaGC/data/e15a7fd10/4457103301ac490e9917013113febe9b [2024-11-24 00:46:45,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:46:45,635 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:46:45,638 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:46:45,638 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:46:45,643 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:46:45,644 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:46:45" (1/1) ... [2024-11-24 00:46:45,646 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28ad3a2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:46:45, skipping insertion in model container [2024-11-24 00:46:45,649 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:46:45" (1/1) ... [2024-11-24 00:46:45,718 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:46:46,336 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4935e97d-b962-4004-8070-8a85135be7c3/sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a.i[36170,36183] [2024-11-24 00:46:46,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:46:46,392 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:46:46,570 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4935e97d-b962-4004-8070-8a85135be7c3/sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a.i[36170,36183] [2024-11-24 00:46:46,585 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:46:46,619 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:46:46,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:46:46 WrapperNode [2024-11-24 00:46:46,620 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:46:46,621 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:46:46,621 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:46:46,621 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:46:46,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:46:46" (1/1) ... [2024-11-24 00:46:46,653 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:46:46" (1/1) ... [2024-11-24 00:46:46,701 INFO L138 Inliner]: procedures = 76, calls = 163, calls flagged for inlining = 35, calls inlined = 30, statements flattened = 522 [2024-11-24 00:46:46,701 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:46:46,702 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:46:46,702 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:46:46,702 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:46:46,713 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:46:46" (1/1) ... [2024-11-24 00:46:46,713 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:46:46" (1/1) ... [2024-11-24 00:46:46,723 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:46:46" (1/1) ... [2024-11-24 00:46:46,781 INFO L175 MemorySlicer]: Split 54 memory accesses to 7 slices as follows [2, 4, 3, 1, 20, 2, 22]. 41 percent of accesses are in the largest equivalence class. The 6 initializations are split as follows [2, 4, 0, 0, 0, 0, 0]. The 34 writes are split as follows [0, 0, 0, 0, 12, 0, 22]. [2024-11-24 00:46:46,781 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:46:46" (1/1) ... [2024-11-24 00:46:46,781 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:46:46" (1/1) ... [2024-11-24 00:46:46,821 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:46:46" (1/1) ... [2024-11-24 00:46:46,832 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:46:46" (1/1) ... [2024-11-24 00:46:46,839 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:46:46" (1/1) ... [2024-11-24 00:46:46,846 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:46:46" (1/1) ... [2024-11-24 00:46:46,852 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:46:46" (1/1) ... [2024-11-24 00:46:46,865 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:46:46,869 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:46:46,869 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:46:46,869 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:46:46,871 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:46:46" (1/1) ... [2024-11-24 00:46:46,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:46:46,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4935e97d-b962-4004-8070-8a85135be7c3/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:46:46,934 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4935e97d-b962-4004-8070-8a85135be7c3/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:46:46,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4935e97d-b962-4004-8070-8a85135be7c3/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:46:46,973 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove_raw [2024-11-24 00:46:46,973 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove_raw [2024-11-24 00:46:46,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:46:46,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-24 00:46:46,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-24 00:46:46,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-24 00:46:46,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-24 00:46:46,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-24 00:46:46,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-24 00:46:46,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-24 00:46:46,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 00:46:46,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-24 00:46:46,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-24 00:46:46,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-24 00:46:46,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-24 00:46:46,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-24 00:46:46,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-24 00:46:46,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-24 00:46:46,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-24 00:46:46,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-24 00:46:46,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-24 00:46:46,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-24 00:46:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-24 00:46:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-24 00:46:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-24 00:46:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 00:46:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 00:46:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 00:46:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-24 00:46:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-24 00:46:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-24 00:46:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-24 00:46:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-24 00:46:46,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-24 00:46:46,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-24 00:46:46,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-24 00:46:46,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-24 00:46:46,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-24 00:46:46,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-24 00:46:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2024-11-24 00:46:46,983 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2024-11-24 00:46:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-24 00:46:46,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-24 00:46:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-24 00:46:46,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-24 00:46:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove_attr [2024-11-24 00:46:46,983 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove_attr [2024-11-24 00:46:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 00:46:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2024-11-24 00:46:46,983 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2024-11-24 00:46:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_sysfs [2024-11-24 00:46:46,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_sysfs [2024-11-24 00:46:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2024-11-24 00:46:46,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2024-11-24 00:46:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2024-11-24 00:46:46,984 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2024-11-24 00:46:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-24 00:46:46,984 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-24 00:46:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 00:46:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 00:46:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-24 00:46:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-24 00:46:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-24 00:46:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-24 00:46:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-24 00:46:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_adc_release [2024-11-24 00:46:46,985 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_adc_release [2024-11-24 00:46:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:46:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 00:46:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 00:46:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-24 00:46:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-24 00:46:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-24 00:46:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-24 00:46:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2024-11-24 00:46:46,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2024-11-24 00:46:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-24 00:46:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2024-11-24 00:46:46,985 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2024-11-24 00:46:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:46:46,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:46:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-24 00:46:46,986 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-24 00:46:47,339 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:46:47,341 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:46:50,343 INFO L? ?]: Removed 241 outVars from TransFormulas that were not future-live. [2024-11-24 00:46:50,343 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:46:50,362 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:46:50,364 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 00:46:50,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:46:50 BoogieIcfgContainer [2024-11-24 00:46:50,365 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:46:50,368 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:46:50,368 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:46:50,373 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:46:50,373 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:46:45" (1/3) ... [2024-11-24 00:46:50,374 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3662a251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:46:50, skipping insertion in model container [2024-11-24 00:46:50,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:46:46" (2/3) ... [2024-11-24 00:46:50,376 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3662a251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:46:50, skipping insertion in model container [2024-11-24 00:46:50,377 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:46:50" (3/3) ... [2024-11-24 00:46:50,378 INFO L128 eAbstractionObserver]: Analyzing ICFG m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a.i [2024-11-24 00:46:50,396 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:46:50,397 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a.i that has 15 procedures, 189 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-24 00:46:50,480 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:46:50,493 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=PETRI_NET, 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;@1801f0d8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:46:50,493 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:46:50,498 INFO L276 IsEmpty]: Start isEmpty. Operand has 189 states, 136 states have (on average 1.2352941176470589) internal successors, (168), 140 states have internal predecessors, (168), 37 states have call successors, (37), 14 states have call predecessors, (37), 14 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-24 00:46:50,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-24 00:46:50,515 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:46:50,516 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:46:50,517 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_device_create_file_dev_attr_of_sensor_device_attributeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_file_dev_attr_of_sensor_device_attributeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:46:50,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:46:50,525 INFO L85 PathProgramCache]: Analyzing trace with hash 469601665, now seen corresponding path program 1 times [2024-11-24 00:46:50,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:46:50,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667540157] [2024-11-24 00:46:50,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:46:50,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:46:51,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:46:52,301 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-24 00:46:52,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:46:52,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667540157] [2024-11-24 00:46:52,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667540157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:46:52,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:46:52,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 00:46:52,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963390379] [2024-11-24 00:46:52,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:46:52,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 00:46:52,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:46:52,343 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:46:52,343 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:46:52,346 INFO L87 Difference]: Start difference. First operand has 189 states, 136 states have (on average 1.2352941176470589) internal successors, (168), 140 states have internal predecessors, (168), 37 states have call successors, (37), 14 states have call predecessors, (37), 14 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 6 states have internal predecessors, (56), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-24 00:46:54,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:46:56,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:46:56,238 INFO L93 Difference]: Finished difference Result 809 states and 1078 transitions. [2024-11-24 00:46:56,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-24 00:46:56,241 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 6 states have internal predecessors, (56), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 86 [2024-11-24 00:46:56,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:46:56,256 INFO L225 Difference]: With dead ends: 809 [2024-11-24 00:46:56,256 INFO L226 Difference]: Without dead ends: 592 [2024-11-24 00:46:56,261 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-11-24 00:46:56,264 INFO L435 NwaCegarLoop]: 341 mSDtfsCounter, 1021 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 313 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1075 SdHoareTripleChecker+Valid, 957 SdHoareTripleChecker+Invalid, 841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 313 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-24 00:46:56,265 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1075 Valid, 957 Invalid, 841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [313 Valid, 528 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-24 00:46:56,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2024-11-24 00:46:56,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 481. [2024-11-24 00:46:56,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 343 states have (on average 1.1982507288629738) internal successors, (411), 352 states have internal predecessors, (411), 96 states have call successors, (96), 40 states have call predecessors, (96), 41 states have return successors, (98), 96 states have call predecessors, (98), 96 states have call successors, (98) [2024-11-24 00:46:56,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 605 transitions. [2024-11-24 00:46:56,413 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 605 transitions. Word has length 86 [2024-11-24 00:46:56,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:46:56,414 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 605 transitions. [2024-11-24 00:46:56,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 6 states have internal predecessors, (56), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-24 00:46:56,414 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 605 transitions. [2024-11-24 00:46:56,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-24 00:46:56,424 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:46:56,425 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:46:56,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 00:46:56,425 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_device_create_file_dev_attr_of_sensor_device_attributeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_file_dev_attr_of_sensor_device_attributeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:46:56,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:46:56,426 INFO L85 PathProgramCache]: Analyzing trace with hash 67342638, now seen corresponding path program 1 times [2024-11-24 00:46:56,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:46:56,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379310376] [2024-11-24 00:46:56,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:46:56,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:46:56,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:46:56,855 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-24 00:46:56,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:46:56,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379310376] [2024-11-24 00:46:56,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379310376] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:46:56,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:46:56,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:46:56,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995323934] [2024-11-24 00:46:56,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:46:56,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:46:56,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:46:56,858 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:46:56,858 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:46:56,860 INFO L87 Difference]: Start difference. First operand 481 states and 605 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-24 00:46:58,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:46:58,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:46:58,125 INFO L93 Difference]: Finished difference Result 649 states and 821 transitions. [2024-11-24 00:46:58,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:46:58,126 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 103 [2024-11-24 00:46:58,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:46:58,127 INFO L225 Difference]: With dead ends: 649 [2024-11-24 00:46:58,127 INFO L226 Difference]: Without dead ends: 0 [2024-11-24 00:46:58,129 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:46:58,130 INFO L435 NwaCegarLoop]: 424 mSDtfsCounter, 202 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:46:58,130 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 644 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-24 00:46:58,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-24 00:46:58,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-24 00:46:58,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:46:58,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-24 00:46:58,132 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 103 [2024-11-24 00:46:58,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:46:58,132 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 00:46:58,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-24 00:46:58,132 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-24 00:46:58,133 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 00:46:58,135 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_device_create_file_dev_attr_of_sensor_device_attributeErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 00:46:58,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 00:46:58,139 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-24 00:46:58,141 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-24 00:47:01,049 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 00:47:01,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:47:01 BoogieIcfgContainer [2024-11-24 00:47:01,067 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 00:47:01,068 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:47:01,068 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:47:01,068 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:47:01,069 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:46:50" (3/4) ... [2024-11-24 00:47:01,071 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 00:47:01,076 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure s3c_hwmon_remove_raw [2024-11-24 00:47:01,077 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure platform_get_drvdata [2024-11-24 00:47:01,077 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_sysfs [2024-11-24 00:47:01,077 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2024-11-24 00:47:01,077 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_handler_precall [2024-11-24 00:47:01,077 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure PTR_ERR [2024-11-24 00:47:01,077 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_is_err [2024-11-24 00:47:01,077 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure hwmon_device_unregister [2024-11-24 00:47:01,077 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_err [2024-11-24 00:47:01,078 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-11-24 00:47:01,078 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure device_remove_file [2024-11-24 00:47:01,078 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure s3c_adc_release [2024-11-24 00:47:01,078 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure s3c_hwmon_remove_attr [2024-11-24 00:47:01,078 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure IS_ERR [2024-11-24 00:47:01,091 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 64 nodes and edges [2024-11-24 00:47:01,092 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2024-11-24 00:47:01,093 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-24 00:47:01,095 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-24 00:47:01,096 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 00:47:01,292 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4935e97d-b962-4004-8070-8a85135be7c3/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 00:47:01,292 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4935e97d-b962-4004-8070-8a85135be7c3/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-24 00:47:01,292 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:47:01,295 INFO L158 Benchmark]: Toolchain (without parser) took 15658.70ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 90.9MB in the beginning and 67.7MB in the end (delta: 23.2MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2024-11-24 00:47:01,295 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 83.9MB. Free memory is still 41.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:47:01,296 INFO L158 Benchmark]: CACSL2BoogieTranslator took 983.27ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 61.5MB in the end (delta: 29.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-24 00:47:01,296 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.70ms. Allocated memory is still 117.4MB. Free memory was 61.5MB in the beginning and 57.6MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:47:01,297 INFO L158 Benchmark]: Boogie Preprocessor took 163.51ms. Allocated memory is still 117.4MB. Free memory was 57.6MB in the beginning and 49.6MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:47:01,298 INFO L158 Benchmark]: RCFGBuilder took 3495.53ms. Allocated memory is still 117.4MB. Free memory was 49.6MB in the beginning and 52.0MB in the end (delta: -2.5MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2024-11-24 00:47:01,298 INFO L158 Benchmark]: TraceAbstraction took 10699.38ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 51.4MB in the beginning and 78.8MB in the end (delta: -27.4MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. [2024-11-24 00:47:01,299 INFO L158 Benchmark]: Witness Printer took 224.96ms. Allocated memory is still 142.6MB. Free memory was 78.8MB in the beginning and 67.7MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:47:01,301 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 83.9MB. Free memory is still 41.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 983.27ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 61.5MB in the end (delta: 29.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.70ms. Allocated memory is still 117.4MB. Free memory was 61.5MB in the beginning and 57.6MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 163.51ms. Allocated memory is still 117.4MB. Free memory was 57.6MB in the beginning and 49.6MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3495.53ms. Allocated memory is still 117.4MB. Free memory was 49.6MB in the beginning and 52.0MB in the end (delta: -2.5MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. * TraceAbstraction took 10699.38ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 51.4MB in the beginning and 78.8MB in the end (delta: -27.4MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. * Witness Printer took 224.96ms. Allocated memory is still 142.6MB. Free memory was 78.8MB in the beginning and 67.7MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1275]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 15 procedures, 189 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.7s, OverallIterations: 2, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1277 SdHoareTripleChecker+Valid, 4.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1223 mSDsluCounter, 1601 SdHoareTripleChecker+Invalid, 4.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 836 mSDsCounter, 313 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 531 IncrementalHoareTripleChecker+Invalid, 844 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 313 mSolverCounterUnsat, 765 mSDtfsCounter, 531 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=481occurred in iteration=1, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 111 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 189 NumberOfCodeBlocks, 189 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 187 ConstructedInterpolants, 0 QuantifiedInterpolants, 537 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 46/46 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 995]: Loop Invariant Derived loop invariant: (((ldv_call_dev_attr_of_sensor_device_attribute == 1) && (ldv_count_2 <= ldv_count_1)) || ((1 <= ldv_count_1) && (ldv_count_2 == 0))) - InvariantResult [Line: 1094]: Location Invariant Derived location invariant: (((ldv_call_dev_attr_of_sensor_device_attribute == 1) && (ldv_count_2 <= ldv_count_1)) || ((1 <= ldv_count_1) && (ldv_count_2 == 0))) - InvariantResult [Line: 1034]: Location Invariant Derived location invariant: ((((ldv_call_dev_attr_of_sensor_device_attribute == 1) && (ldv_count_2 <= ldv_count_1)) || ((ldv_count_1 == 0) && (ldv_count_2 == 0))) || ((1 <= ldv_count_1) && (ldv_count_2 == 0))) - InvariantResult [Line: 1231]: Location Invariant Derived location invariant: (ldv_count_2 < ((long) ldv_count_1 + 1)) - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: ((((ldv_call_dev_attr_of_sensor_device_attribute == 1) && (ldv_count_2 <= ldv_count_1)) || ((ldv_count_1 == 0) && (ldv_count_2 == 0))) || ((1 <= ldv_count_1) && (ldv_count_2 == 0))) - InvariantResult [Line: 1134]: Location Invariant Derived location invariant: ((((ldv_call_dev_attr_of_sensor_device_attribute == 1) && (ldv_count_2 <= ldv_count_1)) || ((ldv_count_1 == 0) && (ldv_count_2 == 0))) || ((1 <= ldv_count_1) && (ldv_count_2 == 0))) RESULT: Ultimate proved your program to be correct! [2024-11-24 00:47:01,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4935e97d-b962-4004-8070-8a85135be7c3/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE