./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c34dc1-4b74-4df0-9dc9-0cd4621aa399/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c34dc1-4b74-4df0-9dc9-0cd4621aa399/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c34dc1-4b74-4df0-9dc9-0cd4621aa399/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c34dc1-4b74-4df0-9dc9-0cd4621aa399/bin/uautomizer-verify-84ZbGMXZE1/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_13c34dc1-4b74-4df0-9dc9-0cd4621aa399/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c34dc1-4b74-4df0-9dc9-0cd4621aa399/bin/uautomizer-verify-84ZbGMXZE1 --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-d790fec [2024-12-01 23:06:12,695 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-01 23:06:12,750 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c34dc1-4b74-4df0-9dc9-0cd4621aa399/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-01 23:06:12,755 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-01 23:06:12,755 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-01 23:06:12,774 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-01 23:06:12,775 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-01 23:06:12,775 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-01 23:06:12,775 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-01 23:06:12,775 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-01 23:06:12,776 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-01 23:06:12,776 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-01 23:06:12,776 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-01 23:06:12,776 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-01 23:06:12,776 INFO L153 SettingsManager]: * Use SBE=true [2024-12-01 23:06:12,776 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-01 23:06:12,776 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-01 23:06:12,776 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-01 23:06:12,777 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-01 23:06:12,777 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-01 23:06:12,777 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-01 23:06:12,777 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-01 23:06:12,777 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-01 23:06:12,777 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-01 23:06:12,777 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-01 23:06:12,777 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-01 23:06:12,777 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-01 23:06:12,777 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-01 23:06:12,777 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-01 23:06:12,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:06:12,777 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-01 23:06:12,778 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-01 23:06:12,778 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-01 23:06:12,778 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-01 23:06:12,778 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:06:12,778 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-01 23:06:12,778 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-01 23:06:12,778 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-01 23:06:12,778 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-01 23:06:12,778 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-01 23:06:12,778 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-01 23:06:12,778 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-01 23:06:12,778 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-01 23:06:12,779 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-01 23:06:12,779 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-01 23:06:12,779 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_13c34dc1-4b74-4df0-9dc9-0cd4621aa399/bin/uautomizer-verify-84ZbGMXZE1 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 [2024-12-01 23:06:13,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-01 23:06:13,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-01 23:06:13,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-01 23:06:13,017 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-01 23:06:13,017 INFO L274 PluginConnector]: CDTParser initialized [2024-12-01 23:06:13,018 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c34dc1-4b74-4df0-9dc9-0cd4621aa399/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a.i [2024-12-01 23:06:15,668 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c34dc1-4b74-4df0-9dc9-0cd4621aa399/bin/uautomizer-verify-84ZbGMXZE1/data/32a33b9f6/a200795acf70495f802c24a8fe768ab8/FLAGaec67f11f [2024-12-01 23:06:15,933 INFO L384 CDTParser]: Found 1 translation units. [2024-12-01 23:06:15,933 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c34dc1-4b74-4df0-9dc9-0cd4621aa399/sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a.i [2024-12-01 23:06:15,948 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c34dc1-4b74-4df0-9dc9-0cd4621aa399/bin/uautomizer-verify-84ZbGMXZE1/data/32a33b9f6/a200795acf70495f802c24a8fe768ab8/FLAGaec67f11f [2024-12-01 23:06:15,964 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c34dc1-4b74-4df0-9dc9-0cd4621aa399/bin/uautomizer-verify-84ZbGMXZE1/data/32a33b9f6/a200795acf70495f802c24a8fe768ab8 [2024-12-01 23:06:15,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-01 23:06:15,968 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-01 23:06:15,970 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-01 23:06:15,970 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-01 23:06:15,975 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-01 23:06:15,976 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:06:15" (1/1) ... [2024-12-01 23:06:15,977 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@376853b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:06:15, skipping insertion in model container [2024-12-01 23:06:15,977 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:06:15" (1/1) ... [2024-12-01 23:06:16,014 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-01 23:06:16,356 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_13c34dc1-4b74-4df0-9dc9-0cd4621aa399/sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a.i[36170,36183] [2024-12-01 23:06:16,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-01 23:06:16,383 INFO L200 MainTranslator]: Completed pre-run [2024-12-01 23:06:16,463 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_13c34dc1-4b74-4df0-9dc9-0cd4621aa399/sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a.i[36170,36183] [2024-12-01 23:06:16,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-01 23:06:16,498 INFO L204 MainTranslator]: Completed translation [2024-12-01 23:06:16,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:06:16 WrapperNode [2024-12-01 23:06:16,499 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-01 23:06:16,500 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-01 23:06:16,500 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-01 23:06:16,500 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-01 23:06:16,507 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:06:16" (1/1) ... [2024-12-01 23:06:16,524 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:06:16" (1/1) ... [2024-12-01 23:06:16,557 INFO L138 Inliner]: procedures = 76, calls = 163, calls flagged for inlining = 35, calls inlined = 30, statements flattened = 522 [2024-12-01 23:06:16,558 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-01 23:06:16,558 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-01 23:06:16,558 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-01 23:06:16,559 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-01 23:06:16,569 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:06:16" (1/1) ... [2024-12-01 23:06:16,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:06:16" (1/1) ... [2024-12-01 23:06:16,576 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:06:16" (1/1) ... [2024-12-01 23:06:16,622 INFO L175 MemorySlicer]: Split 54 memory accesses to 7 slices as follows [2, 4, 20, 3, 1, 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, 12, 0, 0, 0, 22]. [2024-12-01 23:06:16,622 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:06:16" (1/1) ... [2024-12-01 23:06:16,622 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:06:16" (1/1) ... [2024-12-01 23:06:16,645 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:06:16" (1/1) ... [2024-12-01 23:06:16,647 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:06:16" (1/1) ... [2024-12-01 23:06:16,651 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:06:16" (1/1) ... [2024-12-01 23:06:16,655 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:06:16" (1/1) ... [2024-12-01 23:06:16,658 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:06:16" (1/1) ... [2024-12-01 23:06:16,665 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-01 23:06:16,666 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-01 23:06:16,666 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-01 23:06:16,666 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-01 23:06:16,667 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:06:16" (1/1) ... [2024-12-01 23:06:16,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:06:16,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c34dc1-4b74-4df0-9dc9-0cd4621aa399/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:06:16,698 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c34dc1-4b74-4df0-9dc9-0cd4621aa399/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-01 23:06:16,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c34dc1-4b74-4df0-9dc9-0cd4621aa399/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-01 23:06:16,728 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove_raw [2024-12-01 23:06:16,728 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove_raw [2024-12-01 23:06:16,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-01 23:06:16,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-01 23:06:16,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-01 23:06:16,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-01 23:06:16,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-01 23:06:16,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-01 23:06:16,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-01 23:06:16,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-01 23:06:16,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-01 23:06:16,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-01 23:06:16,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-01 23:06:16,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-01 23:06:16,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-01 23:06:16,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-01 23:06:16,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-01 23:06:16,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-01 23:06:16,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-01 23:06:16,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-01 23:06:16,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-01 23:06:16,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-01 23:06:16,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-01 23:06:16,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-01 23:06:16,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-01 23:06:16,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-01 23:06:16,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-01 23:06:16,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-01 23:06:16,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-01 23:06:16,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-01 23:06:16,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-01 23:06:16,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-01 23:06:16,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-01 23:06:16,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-01 23:06:16,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-01 23:06:16,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-01 23:06:16,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-01 23:06:16,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-01 23:06:16,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-01 23:06:16,730 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2024-12-01 23:06:16,730 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2024-12-01 23:06:16,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-01 23:06:16,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-01 23:06:16,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-01 23:06:16,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-01 23:06:16,731 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove_attr [2024-12-01 23:06:16,731 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove_attr [2024-12-01 23:06:16,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-01 23:06:16,731 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2024-12-01 23:06:16,731 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2024-12-01 23:06:16,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_sysfs [2024-12-01 23:06:16,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_sysfs [2024-12-01 23:06:16,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2024-12-01 23:06:16,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2024-12-01 23:06:16,731 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2024-12-01 23:06:16,731 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2024-12-01 23:06:16,731 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-12-01 23:06:16,731 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-12-01 23:06:16,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-01 23:06:16,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-01 23:06:16,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-01 23:06:16,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-01 23:06:16,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-01 23:06:16,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-01 23:06:16,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-01 23:06:16,732 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_adc_release [2024-12-01 23:06:16,732 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_adc_release [2024-12-01 23:06:16,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-01 23:06:16,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-01 23:06:16,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-01 23:06:16,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-01 23:06:16,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-01 23:06:16,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-01 23:06:16,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-01 23:06:16,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2024-12-01 23:06:16,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2024-12-01 23:06:16,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-01 23:06:16,733 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2024-12-01 23:06:16,733 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2024-12-01 23:06:16,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-01 23:06:16,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-01 23:06:16,733 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-12-01 23:06:16,733 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-12-01 23:06:16,941 INFO L234 CfgBuilder]: Building ICFG [2024-12-01 23:06:16,943 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-01 23:06:19,188 INFO L? ?]: Removed 241 outVars from TransFormulas that were not future-live. [2024-12-01 23:06:19,188 INFO L283 CfgBuilder]: Performing block encoding [2024-12-01 23:06:19,200 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-01 23:06:19,200 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-01 23:06:19,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:06:19 BoogieIcfgContainer [2024-12-01 23:06:19,201 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-01 23:06:19,203 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-01 23:06:19,203 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-01 23:06:19,206 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-01 23:06:19,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:06:15" (1/3) ... [2024-12-01 23:06:19,206 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42c932e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:06:19, skipping insertion in model container [2024-12-01 23:06:19,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:06:16" (2/3) ... [2024-12-01 23:06:19,207 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42c932e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:06:19, skipping insertion in model container [2024-12-01 23:06:19,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:06:19" (3/3) ... [2024-12-01 23:06:19,208 INFO L128 eAbstractionObserver]: Analyzing ICFG m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a.i [2024-12-01 23:06:19,219 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-01 23:06:19,220 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. [2024-12-01 23:06:19,266 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-01 23:06:19,278 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;@145713f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-01 23:06:19,278 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-01 23:06:19,282 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) [2024-12-01 23:06:19,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-12-01 23:06:19,292 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:06:19,293 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] [2024-12-01 23:06:19,293 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] === [2024-12-01 23:06:19,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:06:19,298 INFO L85 PathProgramCache]: Analyzing trace with hash 469601665, now seen corresponding path program 1 times [2024-12-01 23:06:19,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:06:19,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125833572] [2024-12-01 23:06:19,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:06:19,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:06:19,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:06:20,271 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-12-01 23:06:20,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:06:20,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125833572] [2024-12-01 23:06:20,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125833572] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:06:20,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:06:20,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-01 23:06:20,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475962783] [2024-12-01 23:06:20,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:06:20,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-01 23:06:20,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:06:20,294 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-01 23:06:20,294 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-01 23:06:20,296 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) [2024-12-01 23:06:22,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-01 23:06:23,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:06:23,421 INFO L93 Difference]: Finished difference Result 809 states and 1078 transitions. [2024-12-01 23:06:23,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-01 23:06:23,423 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 [2024-12-01 23:06:23,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:06:23,434 INFO L225 Difference]: With dead ends: 809 [2024-12-01 23:06:23,435 INFO L226 Difference]: Without dead ends: 592 [2024-12-01 23:06:23,438 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 [2024-12-01 23:06:23,441 INFO L435 NwaCegarLoop]: 341 mSDtfsCounter, 1021 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 313 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s 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, 2.9s IncrementalHoareTripleChecker+Time [2024-12-01 23:06:23,441 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1075 Valid, 957 Invalid, 841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [313 Valid, 528 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-12-01 23:06:23,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2024-12-01 23:06:23,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 481. [2024-12-01 23:06:23,536 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) [2024-12-01 23:06:23,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 605 transitions. [2024-12-01 23:06:23,547 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 605 transitions. Word has length 86 [2024-12-01 23:06:23,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:06:23,548 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 605 transitions. [2024-12-01 23:06:23,548 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) [2024-12-01 23:06:23,548 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 605 transitions. [2024-12-01 23:06:23,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-01 23:06:23,553 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:06:23,553 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] [2024-12-01 23:06:23,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-01 23:06:23,554 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] === [2024-12-01 23:06:23,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:06:23,555 INFO L85 PathProgramCache]: Analyzing trace with hash 67342638, now seen corresponding path program 1 times [2024-12-01 23:06:23,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:06:23,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594049176] [2024-12-01 23:06:23,555 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:06:23,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:06:23,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:06:23,968 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-12-01 23:06:23,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:06:23,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594049176] [2024-12-01 23:06:23,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594049176] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:06:23,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:06:23,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:06:23,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194992158] [2024-12-01 23:06:23,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:06:23,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:06:23,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:06:23,971 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:06:23,971 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:06:23,971 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) [2024-12-01 23:06:26,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-01 23:06:26,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:06:26,766 INFO L93 Difference]: Finished difference Result 649 states and 821 transitions. [2024-12-01 23:06:26,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:06:26,767 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 [2024-12-01 23:06:26,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:06:26,768 INFO L225 Difference]: With dead ends: 649 [2024-12-01 23:06:26,768 INFO L226 Difference]: Without dead ends: 0 [2024-12-01 23:06:26,771 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 [2024-12-01 23:06:26,772 INFO L435 NwaCegarLoop]: 424 mSDtfsCounter, 202 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s 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, 2.7s IncrementalHoareTripleChecker+Time [2024-12-01 23:06:26,772 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 644 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-12-01 23:06:26,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-01 23:06:26,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-01 23:06:26,773 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) [2024-12-01 23:06:26,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-01 23:06:26,774 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 103 [2024-12-01 23:06:26,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:06:26,774 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-01 23:06:26,774 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) [2024-12-01 23:06:26,774 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-01 23:06:26,774 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-01 23:06:26,777 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_device_create_file_dev_attr_of_sensor_device_attributeErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-01 23:06:26,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-01 23:06:26,780 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-12-01 23:06:26,782 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-01 23:06:28,813 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-01 23:06:28,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 11:06:28 BoogieIcfgContainer [2024-12-01 23:06:28,829 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-01 23:06:28,829 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-01 23:06:28,829 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-01 23:06:28,830 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-01 23:06:28,830 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:06:19" (3/4) ... [2024-12-01 23:06:28,832 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-01 23:06:28,838 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure s3c_hwmon_remove_raw [2024-12-01 23:06:28,838 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure platform_get_drvdata [2024-12-01 23:06:28,838 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_sysfs [2024-12-01 23:06:28,838 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2024-12-01 23:06:28,838 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_handler_precall [2024-12-01 23:06:28,838 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure PTR_ERR [2024-12-01 23:06:28,838 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_is_err [2024-12-01 23:06:28,838 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure hwmon_device_unregister [2024-12-01 23:06:28,838 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_err [2024-12-01 23:06:28,838 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-12-01 23:06:28,838 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure device_remove_file [2024-12-01 23:06:28,839 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure s3c_adc_release [2024-12-01 23:06:28,839 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure s3c_hwmon_remove_attr [2024-12-01 23:06:28,839 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure IS_ERR [2024-12-01 23:06:28,850 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 64 nodes and edges [2024-12-01 23:06:28,851 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2024-12-01 23:06:28,851 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-12-01 23:06:28,852 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-01 23:06:28,853 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-01 23:06:28,980 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c34dc1-4b74-4df0-9dc9-0cd4621aa399/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-01 23:06:28,980 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c34dc1-4b74-4df0-9dc9-0cd4621aa399/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-01 23:06:28,980 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-01 23:06:28,981 INFO L158 Benchmark]: Toolchain (without parser) took 13012.68ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 116.6MB in the beginning and 371.3MB in the end (delta: -254.8MB). Peak memory consumption was 248.9MB. Max. memory is 16.1GB. [2024-12-01 23:06:28,981 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-01 23:06:28,981 INFO L158 Benchmark]: CACSL2BoogieTranslator took 529.97ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 87.5MB in the end (delta: 28.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-01 23:06:28,981 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.86ms. Allocated memory is still 142.6MB. Free memory was 87.5MB in the beginning and 83.5MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-01 23:06:28,982 INFO L158 Benchmark]: Boogie Preprocessor took 106.64ms. Allocated memory is still 142.6MB. Free memory was 83.5MB in the beginning and 75.4MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-01 23:06:28,982 INFO L158 Benchmark]: RCFGBuilder took 2535.04ms. Allocated memory is still 142.6MB. Free memory was 75.4MB in the beginning and 76.9MB in the end (delta: -1.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-01 23:06:28,982 INFO L158 Benchmark]: TraceAbstraction took 9626.17ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 76.4MB in the beginning and 148.2MB in the end (delta: -71.8MB). Peak memory consumption was 198.5MB. Max. memory is 16.1GB. [2024-12-01 23:06:28,982 INFO L158 Benchmark]: Witness Printer took 150.64ms. Allocated memory is still 411.0MB. Free memory was 148.2MB in the beginning and 371.3MB in the end (delta: -223.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-01 23:06:28,984 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 529.97ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 87.5MB in the end (delta: 28.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.86ms. Allocated memory is still 142.6MB. Free memory was 87.5MB in the beginning and 83.5MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 106.64ms. Allocated memory is still 142.6MB. Free memory was 83.5MB in the beginning and 75.4MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2535.04ms. Allocated memory is still 142.6MB. Free memory was 75.4MB in the beginning and 76.9MB in the end (delta: -1.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 9626.17ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 76.4MB in the beginning and 148.2MB in the end (delta: -71.8MB). Peak memory consumption was 198.5MB. Max. memory is 16.1GB. * Witness Printer took 150.64ms. Allocated memory is still 411.0MB. Free memory was 148.2MB in the beginning and 371.3MB in the end (delta: -223.1MB). 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: 7.5s, OverallIterations: 2, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1277 SdHoareTripleChecker+Valid, 5.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1223 mSDsluCounter, 1601 SdHoareTripleChecker+Invalid, 5.5s 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s 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! [2024-12-01 23:06:29,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c34dc1-4b74-4df0-9dc9-0cd4621aa399/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE