/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'z3 -smt2 -in SMTLIB2_COMPLIANT=true' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point_ldv-val-v0.8.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-04 12:52:06,902 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-04 12:52:06,945 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-04 12:52:06,948 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-04 12:52:06,949 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-04 12:52:06,972 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-04 12:52:06,973 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-04 12:52:06,973 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-04 12:52:06,974 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-04 12:52:06,974 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-04 12:52:06,974 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-04 12:52:06,975 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-04 12:52:06,975 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-04 12:52:06,975 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-04 12:52:06,976 INFO L153 SettingsManager]: * Use SBE=true [2024-11-04 12:52:06,976 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-04 12:52:06,976 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-04 12:52:06,976 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-04 12:52:06,977 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-04 12:52:06,977 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-04 12:52:06,977 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-04 12:52:06,978 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-04 12:52:06,978 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-04 12:52:06,978 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-04 12:52:06,979 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-04 12:52:06,979 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-04 12:52:06,979 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-04 12:52:06,979 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-04 12:52:06,980 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-04 12:52:06,980 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-04 12:52:06,980 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-04 12:52:06,980 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 12:52:06,981 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-04 12:52:06,981 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-04 12:52:06,981 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-04 12:52:06,981 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-04 12:52:06,982 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-04 12:52:06,982 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-04 12:52:06,982 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-04 12:52:06,982 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-04 12:52:06,983 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-04 12:52:06,983 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 12:52:07,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-04 12:52:07,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-04 12:52:07,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-04 12:52:07,232 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-04 12:52:07,232 INFO L274 PluginConnector]: CDTParser initialized [2024-11-04 12:52:07,233 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point_ldv-val-v0.8.cil.out.i [2024-11-04 12:52:08,628 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-04 12:52:08,872 INFO L384 CDTParser]: Found 1 translation units. [2024-11-04 12:52:08,873 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point_ldv-val-v0.8.cil.out.i [2024-11-04 12:52:08,888 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76a72f34a/6965d38188fe4cbf991cd0262fdbf856/FLAG4f66e8fed [2024-11-04 12:52:09,205 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76a72f34a/6965d38188fe4cbf991cd0262fdbf856 [2024-11-04 12:52:09,207 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-04 12:52:09,209 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-04 12:52:09,210 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-04 12:52:09,210 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-04 12:52:09,214 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-04 12:52:09,215 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 12:52:09" (1/1) ... [2024-11-04 12:52:09,216 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bda6474 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:52:09, skipping insertion in model container [2024-11-04 12:52:09,216 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 12:52:09" (1/1) ... [2024-11-04 12:52:09,256 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 12:52:09,576 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:52:09,577 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:52:09,589 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:52:09,608 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:52:09,614 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:52:09,615 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:52:09,616 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:52:09,619 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:52:09,620 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:52:09,620 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:52:09,629 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:52:09,634 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:52:09,652 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:52:09,671 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point_ldv-val-v0.8.cil.out.i[37767,37780] [2024-11-04 12:52:09,701 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:52:09,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 12:52:09,724 INFO L200 MainTranslator]: Completed pre-run [2024-11-04 12:52:09,826 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point_ldv-val-v0.8.cil.out.i[37767,37780] [2024-11-04 12:52:09,834 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 12:52:09,869 INFO L204 MainTranslator]: Completed translation [2024-11-04 12:52:09,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:52:09 WrapperNode [2024-11-04 12:52:09,869 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-04 12:52:09,870 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-04 12:52:09,870 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-04 12:52:09,871 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-04 12:52:09,876 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:52:09" (1/1) ... [2024-11-04 12:52:09,897 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:52:09" (1/1) ... [2024-11-04 12:52:09,928 INFO L138 Inliner]: procedures = 86, calls = 178, calls flagged for inlining = 33, calls inlined = 26, statements flattened = 534 [2024-11-04 12:52:09,929 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-04 12:52:09,929 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-04 12:52:09,929 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-04 12:52:09,930 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-04 12:52:09,946 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:52:09" (1/1) ... [2024-11-04 12:52:09,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:52:09" (1/1) ... [2024-11-04 12:52:09,963 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:52:09" (1/1) ... [2024-11-04 12:52:10,004 INFO L175 MemorySlicer]: Split 55 memory accesses to 4 slices as follows [2, 4, 27, 22]. 49 percent of accesses are in the largest equivalence class. The 6 initializations are split as follows [2, 4, 0, 0]. The 35 writes are split as follows [0, 0, 13, 22]. [2024-11-04 12:52:10,004 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:52:09" (1/1) ... [2024-11-04 12:52:10,004 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:52:09" (1/1) ... [2024-11-04 12:52:10,021 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:52:09" (1/1) ... [2024-11-04 12:52:10,025 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:52:09" (1/1) ... [2024-11-04 12:52:10,029 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:52:09" (1/1) ... [2024-11-04 12:52:10,032 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:52:09" (1/1) ... [2024-11-04 12:52:10,039 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-04 12:52:10,040 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-04 12:52:10,040 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-04 12:52:10,040 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-04 12:52:10,041 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:52:09" (1/1) ... [2024-11-04 12:52:10,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 12:52:10,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 12:52:10,074 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-04 12:52:10,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-04 12:52:10,098 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove_raw [2024-11-04 12:52:10,098 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove_raw [2024-11-04 12:52:10,098 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_probe [2024-11-04 12:52:10,098 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_probe [2024-11-04 12:52:10,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-04 12:52:10,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-04 12:52:10,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-04 12:52:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-04 12:52:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-04 12:52:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-04 12:52:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-04 12:52:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-04 12:52:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-04 12:52:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-04 12:52:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-04 12:52:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-04 12:52:10,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-04 12:52:10,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-04 12:52:10,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-04 12:52:10,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-04 12:52:10,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-04 12:52:10,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-04 12:52:10,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-04 12:52:10,100 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-04 12:52:10,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-04 12:52:10,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-04 12:52:10,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-04 12:52:10,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-04 12:52:10,101 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2024-11-04 12:52:10,101 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2024-11-04 12:52:10,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-04 12:52:10,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-04 12:52:10,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-04 12:52:10,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-04 12:52:10,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-04 12:52:10,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-04 12:52:10,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-04 12:52:10,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-04 12:52:10,101 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove_attr [2024-11-04 12:52:10,101 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove_attr [2024-11-04 12:52:10,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-04 12:52:10,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-04 12:52:10,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-04 12:52:10,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-04 12:52:10,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-04 12:52:10,102 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2024-11-04 12:52:10,102 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2024-11-04 12:52:10,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-04 12:52:10,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-04 12:52:10,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-04 12:52:10,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-04 12:52:10,102 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2024-11-04 12:52:10,103 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2024-11-04 12:52:10,103 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-04 12:52:10,103 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-04 12:52:10,103 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_adc_release [2024-11-04 12:52:10,103 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_adc_release [2024-11-04 12:52:10,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-04 12:52:10,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-04 12:52:10,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-04 12:52:10,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-04 12:52:10,103 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-04 12:52:10,103 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-04 12:52:10,103 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove [2024-11-04 12:52:10,104 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove [2024-11-04 12:52:10,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-04 12:52:10,104 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2024-11-04 12:52:10,104 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2024-11-04 12:52:10,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-04 12:52:10,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-04 12:52:10,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file [2024-11-04 12:52:10,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file [2024-11-04 12:52:10,104 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-04 12:52:10,104 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-04 12:52:10,278 INFO L238 CfgBuilder]: Building ICFG [2024-11-04 12:52:10,281 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-04 12:52:10,919 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-04 12:52:15,369 INFO L? ?]: Removed 254 outVars from TransFormulas that were not future-live. [2024-11-04 12:52:15,369 INFO L287 CfgBuilder]: Performing block encoding [2024-11-04 12:52:15,389 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-04 12:52:15,390 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-04 12:52:15,390 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 12:52:15 BoogieIcfgContainer [2024-11-04 12:52:15,390 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-04 12:52:15,392 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-04 12:52:15,392 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-04 12:52:15,396 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-04 12:52:15,397 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 12:52:09" (1/3) ... [2024-11-04 12:52:15,397 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45a39709 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 12:52:15, skipping insertion in model container [2024-11-04 12:52:15,397 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:52:09" (2/3) ... [2024-11-04 12:52:15,397 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45a39709 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 12:52:15, skipping insertion in model container [2024-11-04 12:52:15,398 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 12:52:15" (3/3) ... [2024-11-04 12:52:15,399 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point_ldv-val-v0.8.cil.out.i [2024-11-04 12:52:15,423 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-04 12:52:15,423 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-04 12:52:15,483 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-04 12:52:15,490 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;@13886f34, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-04 12:52:15,490 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-04 12:52:15,494 INFO L276 IsEmpty]: Start isEmpty. Operand has 224 states, 157 states have (on average 1.286624203821656) internal successors, (202), 165 states have internal predecessors, (202), 48 states have call successors, (48), 18 states have call predecessors, (48), 17 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-04 12:52:15,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-04 12:52:15,506 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 12:52:15,507 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-04 12:52:15,507 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 12:52:15,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 12:52:15,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1138481429, now seen corresponding path program 1 times [2024-11-04 12:52:15,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 12:52:15,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1583164087] [2024-11-04 12:52:15,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 12:52:15,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 12:52:15,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 12:52:15,525 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 12:52:15,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-04 12:52:15,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 12:52:15,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-04 12:52:15,849 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 12:52:15,879 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-04 12:52:15,879 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 12:52:16,038 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-04 12:52:16,039 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 12:52:16,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1583164087] [2024-11-04 12:52:16,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1583164087] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 12:52:16,040 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 12:52:16,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-04 12:52:16,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568584076] [2024-11-04 12:52:16,042 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 12:52:16,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-04 12:52:16,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 12:52:16,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-04 12:52:16,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-04 12:52:16,069 INFO L87 Difference]: Start difference. First operand has 224 states, 157 states have (on average 1.286624203821656) internal successors, (202), 165 states have internal predecessors, (202), 48 states have call successors, (48), 18 states have call predecessors, (48), 17 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-04 12:52:16,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 12:52:16,177 INFO L93 Difference]: Finished difference Result 471 states and 637 transitions. [2024-11-04 12:52:16,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-04 12:52:16,179 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 73 [2024-11-04 12:52:16,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 12:52:16,187 INFO L225 Difference]: With dead ends: 471 [2024-11-04 12:52:16,187 INFO L226 Difference]: Without dead ends: 228 [2024-11-04 12:52:16,191 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-04 12:52:16,194 INFO L432 NwaCegarLoop]: 290 mSDtfsCounter, 35 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-04 12:52:16,194 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 566 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-04 12:52:16,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-04 12:52:16,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2024-11-04 12:52:16,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 166 states have (on average 1.2650602409638554) internal successors, (210), 169 states have internal predecessors, (210), 44 states have call successors, (44), 17 states have call predecessors, (44), 17 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-04 12:52:16,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 298 transitions. [2024-11-04 12:52:16,239 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 298 transitions. Word has length 73 [2024-11-04 12:52:16,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 12:52:16,240 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 298 transitions. [2024-11-04 12:52:16,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-04 12:52:16,240 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 298 transitions. [2024-11-04 12:52:16,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-04 12:52:16,243 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 12:52:16,244 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-04 12:52:16,260 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-04 12:52:16,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 12:52:16,448 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 12:52:16,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 12:52:16,449 INFO L85 PathProgramCache]: Analyzing trace with hash -215265634, now seen corresponding path program 1 times [2024-11-04 12:52:16,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 12:52:16,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1598306748] [2024-11-04 12:52:16,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 12:52:16,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 12:52:16,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 12:52:16,452 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 12:52:16,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-04 12:52:16,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 12:52:16,802 INFO L255 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-04 12:52:16,808 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 12:52:16,983 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-04 12:52:16,984 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 12:52:17,324 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-04 12:52:17,324 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 12:52:17,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1598306748] [2024-11-04 12:52:17,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1598306748] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 12:52:17,324 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 12:52:17,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2024-11-04 12:52:17,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736106382] [2024-11-04 12:52:17,325 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 12:52:17,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-04 12:52:17,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 12:52:17,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-04 12:52:17,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-04 12:52:17,333 INFO L87 Difference]: Start difference. First operand 228 states and 298 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 8 states have internal predecessors, (79), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-04 12:52:17,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 12:52:17,574 INFO L93 Difference]: Finished difference Result 456 states and 598 transitions. [2024-11-04 12:52:17,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-04 12:52:17,579 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 8 states have internal predecessors, (79), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 97 [2024-11-04 12:52:17,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 12:52:17,582 INFO L225 Difference]: With dead ends: 456 [2024-11-04 12:52:17,582 INFO L226 Difference]: Without dead ends: 231 [2024-11-04 12:52:17,583 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-04 12:52:17,584 INFO L432 NwaCegarLoop]: 271 mSDtfsCounter, 0 mSDsluCounter, 1068 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1339 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-04 12:52:17,584 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1339 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-04 12:52:17,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-11-04 12:52:17,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2024-11-04 12:52:17,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 169 states have (on average 1.2603550295857988) internal successors, (213), 172 states have internal predecessors, (213), 44 states have call successors, (44), 17 states have call predecessors, (44), 17 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-04 12:52:17,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 301 transitions. [2024-11-04 12:52:17,608 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 301 transitions. Word has length 97 [2024-11-04 12:52:17,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 12:52:17,609 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 301 transitions. [2024-11-04 12:52:17,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 8 states have internal predecessors, (79), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-04 12:52:17,609 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 301 transitions. [2024-11-04 12:52:17,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-04 12:52:17,615 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 12:52:17,616 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 12:52:17,638 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-04 12:52:17,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 12:52:17,817 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 12:52:17,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 12:52:17,818 INFO L85 PathProgramCache]: Analyzing trace with hash -2082609929, now seen corresponding path program 1 times [2024-11-04 12:52:17,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 12:52:17,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [762132625] [2024-11-04 12:52:17,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 12:52:17,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 12:52:17,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 12:52:17,822 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 12:52:17,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-04 12:52:18,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 12:52:18,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-04 12:52:18,165 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 12:52:18,443 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-04 12:52:18,445 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 12:52:19,130 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-04 12:52:19,131 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 12:52:19,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [762132625] [2024-11-04 12:52:19,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [762132625] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-04 12:52:19,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-04 12:52:19,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 11 [2024-11-04 12:52:19,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178137392] [2024-11-04 12:52:19,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-04 12:52:19,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-04 12:52:19,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 12:52:19,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-04 12:52:19,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-04 12:52:19,134 INFO L87 Difference]: Start difference. First operand 231 states and 301 transitions. Second operand has 7 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-04 12:52:19,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 12:52:19,414 INFO L93 Difference]: Finished difference Result 463 states and 607 transitions. [2024-11-04 12:52:19,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-04 12:52:19,414 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 122 [2024-11-04 12:52:19,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 12:52:19,418 INFO L225 Difference]: With dead ends: 463 [2024-11-04 12:52:19,418 INFO L226 Difference]: Without dead ends: 233 [2024-11-04 12:52:19,419 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-04 12:52:19,420 INFO L432 NwaCegarLoop]: 267 mSDtfsCounter, 0 mSDsluCounter, 1315 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1582 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-04 12:52:19,420 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1582 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-04 12:52:19,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2024-11-04 12:52:19,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2024-11-04 12:52:19,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 170 states have (on average 1.2588235294117647) internal successors, (214), 174 states have internal predecessors, (214), 44 states have call successors, (44), 17 states have call predecessors, (44), 18 states have return successors, (47), 44 states have call predecessors, (47), 44 states have call successors, (47) [2024-11-04 12:52:19,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 305 transitions. [2024-11-04 12:52:19,435 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 305 transitions. Word has length 122 [2024-11-04 12:52:19,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 12:52:19,436 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 305 transitions. [2024-11-04 12:52:19,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-04 12:52:19,436 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 305 transitions. [2024-11-04 12:52:19,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-04 12:52:19,438 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 12:52:19,438 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 12:52:19,457 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-04 12:52:19,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 12:52:19,641 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 12:52:19,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 12:52:19,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1373940528, now seen corresponding path program 1 times [2024-11-04 12:52:19,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 12:52:19,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2033038801] [2024-11-04 12:52:19,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 12:52:19,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 12:52:19,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 12:52:19,647 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 12:52:19,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process