/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 --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy FOX -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-17387ad-m [2024-11-06 12:06:28,974 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 12:06:29,030 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-06 12:06:29,034 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 12:06:29,035 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 12:06:29,054 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 12:06:29,055 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 12:06:29,055 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 12:06:29,056 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 12:06:29,056 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 12:06:29,056 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 12:06:29,057 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 12:06:29,057 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 12:06:29,058 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 12:06:29,058 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 12:06:29,058 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 12:06:29,059 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 12:06:29,059 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 12:06:29,059 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 12:06:29,060 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 12:06:29,060 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 12:06:29,061 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-06 12:06:29,061 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-06 12:06:29,061 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 12:06:29,061 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-06 12:06:29,062 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 12:06:29,062 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 12:06:29,062 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 12:06:29,063 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 12:06:29,063 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 12:06:29,063 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 12:06:29,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 12:06:29,064 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 12:06:29,064 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 12:06:29,065 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 12:06:29,065 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-06 12:06:29,065 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-06 12:06:29,065 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 12:06:29,066 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 12:06:29,066 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 12:06:29,066 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 12:06:29,067 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FOX [2024-11-06 12:06:29,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 12:06:29,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 12:06:29,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 12:06:29,367 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 12:06:29,367 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 12:06:29,370 INFO L431 ainManager$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 [2024-11-06 12:06:31,099 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 12:06:31,429 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 12:06:31,429 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 [2024-11-06 12:06:31,449 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75528b48a/ae35469ee5454a15a430b511cd1da442/FLAG86a8efe13 [2024-11-06 12:06:31,701 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75528b48a/ae35469ee5454a15a430b511cd1da442 [2024-11-06 12:06:31,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 12:06:31,706 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-06 12:06:31,707 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 12:06:31,707 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 12:06:31,712 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 12:06:31,713 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 12:06:31" (1/1) ... [2024-11-06 12:06:31,714 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46add1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:06:31, skipping insertion in model container [2024-11-06 12:06:31,715 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 12:06:31" (1/1) ... [2024-11-06 12:06:31,781 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 12:06:32,134 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:06:32,134 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:06:32,159 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:06:32,189 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:06:32,193 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:06:32,195 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:06:32,197 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:06:32,200 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:06:32,202 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:06:32,203 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:06:32,214 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:06:32,222 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:06:32,239 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:06:32,251 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] [2024-11-06 12:06:32,266 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:06:32,268 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 12:06:32,286 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 12:06:32,398 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] [2024-11-06 12:06:32,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 12:06:32,454 INFO L204 MainTranslator]: Completed translation [2024-11-06 12:06:32,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:06:32 WrapperNode [2024-11-06 12:06:32,457 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 12:06:32,458 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 12:06:32,458 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 12:06:32,458 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 12:06:32,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:06:32" (1/1) ... [2024-11-06 12:06:32,497 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:06:32" (1/1) ... [2024-11-06 12:06:32,560 INFO L138 Inliner]: procedures = 86, calls = 178, calls flagged for inlining = 33, calls inlined = 26, statements flattened = 534 [2024-11-06 12:06:32,561 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 12:06:32,562 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 12:06:32,562 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 12:06:32,562 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 12:06:32,580 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:06:32" (1/1) ... [2024-11-06 12:06:32,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:06:32" (1/1) ... [2024-11-06 12:06:32,597 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:06:32" (1/1) ... [2024-11-06 12:06:32,675 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]. [2024-11-06 12:06:32,676 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:06:32" (1/1) ... [2024-11-06 12:06:32,676 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:06:32" (1/1) ... [2024-11-06 12:06:32,709 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:06:32" (1/1) ... [2024-11-06 12:06:32,721 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:06:32" (1/1) ... [2024-11-06 12:06:32,733 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:06:32" (1/1) ... [2024-11-06 12:06:32,737 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:06:32" (1/1) ... [2024-11-06 12:06:32,754 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 12:06:32,759 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 12:06:32,759 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 12:06:32,759 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 12:06:32,760 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:06:32" (1/1) ... [2024-11-06 12:06:32,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 12:06:32,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 12:06:32,803 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) [2024-11-06 12:06:32,806 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 [2024-11-06 12:06:32,833 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove_raw [2024-11-06 12:06:32,833 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove_raw [2024-11-06 12:06:32,833 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_probe [2024-11-06 12:06:32,834 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_probe [2024-11-06 12:06:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 12:06:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-06 12:06:32,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-06 12:06:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-06 12:06:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-06 12:06:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-06 12:06:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-06 12:06:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-06 12:06:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-06 12:06:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-06 12:06:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-06 12:06:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-06 12:06:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-06 12:06:32,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-06 12:06:32,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-06 12:06:32,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-06 12:06:32,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-06 12:06:32,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-06 12:06:32,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-06 12:06:32,840 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-06 12:06:32,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-06 12:06:32,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-06 12:06:32,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-06 12:06:32,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-06 12:06:32,841 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2024-11-06 12:06:32,841 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2024-11-06 12:06:32,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-06 12:06:32,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-06 12:06:32,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-06 12:06:32,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-06 12:06:32,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-06 12:06:32,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-06 12:06:32,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-06 12:06:32,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-06 12:06:32,842 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove_attr [2024-11-06 12:06:32,842 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove_attr [2024-11-06 12:06:32,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-06 12:06:32,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-06 12:06:32,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-06 12:06:32,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-06 12:06:32,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-06 12:06:32,843 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2024-11-06 12:06:32,843 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2024-11-06 12:06:32,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-06 12:06:32,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-06 12:06:32,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-06 12:06:32,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-06 12:06:32,844 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2024-11-06 12:06:32,844 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2024-11-06 12:06:32,844 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-06 12:06:32,844 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-06 12:06:32,844 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_adc_release [2024-11-06 12:06:32,844 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_adc_release [2024-11-06 12:06:32,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-06 12:06:32,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-06 12:06:32,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-06 12:06:32,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-06 12:06:32,845 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-06 12:06:32,845 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-06 12:06:32,845 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove [2024-11-06 12:06:32,845 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove [2024-11-06 12:06:32,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-06 12:06:32,845 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2024-11-06 12:06:32,845 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2024-11-06 12:06:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 12:06:32,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 12:06:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file [2024-11-06 12:06:32,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file [2024-11-06 12:06:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-06 12:06:32,846 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-06 12:06:33,066 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 12:06:33,069 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 12:06:33,821 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-06 12:06:38,489 INFO L? ?]: Removed 254 outVars from TransFormulas that were not future-live. [2024-11-06 12:06:38,490 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 12:06:38,522 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 12:06:38,522 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-06 12:06:38,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 12:06:38 BoogieIcfgContainer [2024-11-06 12:06:38,523 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 12:06:38,525 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 12:06:38,526 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 12:06:38,532 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 12:06:38,532 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 12:06:31" (1/3) ... [2024-11-06 12:06:38,533 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fe470c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 12:06:38, skipping insertion in model container [2024-11-06 12:06:38,533 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:06:32" (2/3) ... [2024-11-06 12:06:38,534 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fe470c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 12:06:38, skipping insertion in model container [2024-11-06 12:06:38,534 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 12:06:38" (3/3) ... [2024-11-06 12:06:38,536 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 [2024-11-06 12:06:38,556 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 12:06:38,556 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-06 12:06:38,621 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 12:06:38,628 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;@413fb0ce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 12:06:38,629 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-06 12:06:38,637 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) [2024-11-06 12:06:38,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-06 12:06:38,657 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 12:06:38,658 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] [2024-11-06 12:06:38,658 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 12:06:38,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 12:06:38,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1138481429, now seen corresponding path program 1 times [2024-11-06 12:06:38,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 12:06:38,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [609116432] [2024-11-06 12:06:38,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 12:06:38,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 12:06:38,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 12:06:38,691 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) [2024-11-06 12:06:38,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-06 12:06:39,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 12:06:39,080 INFO L255 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 12:06:39,091 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 12:06:39,173 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-06 12:06:39,173 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 12:06:39,174 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 12:06:39,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [609116432] [2024-11-06 12:06:39,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [609116432] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 12:06:39,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 12:06:39,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 12:06:39,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804469859] [2024-11-06 12:06:39,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 12:06:39,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 12:06:39,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 12:06:39,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 12:06:39,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 12:06:39,209 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 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-06 12:06:39,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 12:06:39,413 INFO L93 Difference]: Finished difference Result 471 states and 637 transitions. [2024-11-06 12:06:39,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 12:06:39,418 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 73 [2024-11-06 12:06:39,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 12:06:39,431 INFO L225 Difference]: With dead ends: 471 [2024-11-06 12:06:39,432 INFO L226 Difference]: Without dead ends: 228 [2024-11-06 12:06:39,440 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 12:06:39,446 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 [2024-11-06 12:06:39,449 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] [2024-11-06 12:06:39,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-06 12:06:39,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2024-11-06 12:06:39,525 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) [2024-11-06 12:06:39,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 298 transitions. [2024-11-06 12:06:39,540 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 298 transitions. Word has length 73 [2024-11-06 12:06:39,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 12:06:39,540 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 298 transitions. [2024-11-06 12:06:39,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-06 12:06:39,541 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 298 transitions. [2024-11-06 12:06:39,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-06 12:06:39,548 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 12:06:39,549 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] [2024-11-06 12:06:39,573 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-06 12:06:39,753 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 [2024-11-06 12:06:39,754 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 12:06:39,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 12:06:39,755 INFO L85 PathProgramCache]: Analyzing trace with hash -215265634, now seen corresponding path program 1 times [2024-11-06 12:06:39,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 12:06:39,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1231725396] [2024-11-06 12:06:39,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 12:06:39,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 12:06:39,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 12:06:39,760 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) [2024-11-06 12:06:39,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-06 12:06:40,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 12:06:40,196 INFO L255 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-06 12:06:40,202 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 12:06:40,448 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-06 12:06:40,448 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 12:06:40,449 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 12:06:40,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1231725396] [2024-11-06 12:06:40,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1231725396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 12:06:40,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 12:06:40,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-06 12:06:40,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061308931] [2024-11-06 12:06:40,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 12:06:40,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 12:06:40,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 12:06:40,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 12:06:40,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-06 12:06:40,457 INFO L87 Difference]: Start difference. First operand 228 states and 298 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-06 12:06:40,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 12:06:40,712 INFO L93 Difference]: Finished difference Result 456 states and 598 transitions. [2024-11-06 12:06:40,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-06 12:06:40,715 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 97 [2024-11-06 12:06:40,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 12:06:40,718 INFO L225 Difference]: With dead ends: 456 [2024-11-06 12:06:40,721 INFO L226 Difference]: Without dead ends: 231 [2024-11-06 12:06:40,723 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-06 12:06:40,724 INFO L432 NwaCegarLoop]: 271 mSDtfsCounter, 0 mSDsluCounter, 798 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1069 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-06 12:06:40,726 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1069 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-06 12:06:40,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-11-06 12:06:40,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2024-11-06 12:06:40,757 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) [2024-11-06 12:06:40,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 301 transitions. [2024-11-06 12:06:40,762 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 301 transitions. Word has length 97 [2024-11-06 12:06:40,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 12:06:40,766 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 301 transitions. [2024-11-06 12:06:40,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-06 12:06:40,766 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 301 transitions. [2024-11-06 12:06:40,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-06 12:06:40,775 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 12:06:40,775 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] [2024-11-06 12:06:40,805 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-06 12:06:40,981 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 [2024-11-06 12:06:40,982 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 12:06:40,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 12:06:40,983 INFO L85 PathProgramCache]: Analyzing trace with hash -2082609929, now seen corresponding path program 1 times [2024-11-06 12:06:40,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 12:06:40,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1099287400] [2024-11-06 12:06:40,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 12:06:40,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 12:06:40,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 12:06:40,990 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) [2024-11-06 12:06:40,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-06 12:06:41,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 12:06:41,364 INFO L255 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-06 12:06:41,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 12:06:41,726 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-06 12:06:41,726 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 12:06:41,726 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 12:06:41,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1099287400] [2024-11-06 12:06:41,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1099287400] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 12:06:41,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 12:06:41,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 12:06:41,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733372845] [2024-11-06 12:06:41,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 12:06:41,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 12:06:41,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 12:06:41,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 12:06:41,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 12:06:41,729 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) [2024-11-06 12:06:42,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 12:06:42,080 INFO L93 Difference]: Finished difference Result 463 states and 607 transitions. [2024-11-06 12:06:42,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-06 12:06:42,082 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 [2024-11-06 12:06:42,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 12:06:42,129 INFO L225 Difference]: With dead ends: 463 [2024-11-06 12:06:42,130 INFO L226 Difference]: Without dead ends: 233 [2024-11-06 12:06:42,131 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 12:06:42,132 INFO L432 NwaCegarLoop]: 267 mSDtfsCounter, 0 mSDsluCounter, 1315 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2024-11-06 12:06:42,132 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] [2024-11-06 12:06:42,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2024-11-06 12:06:42,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2024-11-06 12:06:42,147 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) [2024-11-06 12:06:42,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 305 transitions. [2024-11-06 12:06:42,149 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 305 transitions. Word has length 122 [2024-11-06 12:06:42,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 12:06:42,150 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 305 transitions. [2024-11-06 12:06:42,150 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) [2024-11-06 12:06:42,150 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 305 transitions. [2024-11-06 12:06:42,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-06 12:06:42,152 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 12:06:42,152 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] [2024-11-06 12:06:42,181 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-06 12:06:42,353 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 [2024-11-06 12:06:42,353 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 12:06:42,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 12:06:42,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1373940528, now seen corresponding path program 1 times [2024-11-06 12:06:42,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 12:06:42,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [489699755] [2024-11-06 12:06:42,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 12:06:42,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 12:06:42,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 12:06:42,362 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) [2024-11-06 12:06:42,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process