/root/.sdkman/candidates/java/11.0.12-open/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-tmp.fs.smtinterpol-bv-eval-3dddfdf-m [2024-11-15 14:12:16,943 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-15 14:12:17,026 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-15 14:12:17,031 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-15 14:12:17,032 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-15 14:12:17,064 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-15 14:12:17,066 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-15 14:12:17,066 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-15 14:12:17,067 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-15 14:12:17,068 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-15 14:12:17,068 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-15 14:12:17,068 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-15 14:12:17,069 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-15 14:12:17,069 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-15 14:12:17,069 INFO L153 SettingsManager]: * Use SBE=true [2024-11-15 14:12:17,070 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-15 14:12:17,072 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-15 14:12:17,074 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-15 14:12:17,074 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-15 14:12:17,074 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-15 14:12:17,075 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-15 14:12:17,077 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-15 14:12:17,077 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-15 14:12:17,077 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-15 14:12:17,077 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-15 14:12:17,078 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-15 14:12:17,078 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-15 14:12:17,078 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-15 14:12:17,078 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-15 14:12:17,079 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-15 14:12:17,079 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-15 14:12:17,079 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-15 14:12:17,079 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-15 14:12:17,080 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-15 14:12:17,080 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-15 14:12:17,080 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-15 14:12:17,081 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-15 14:12:17,081 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-15 14:12:17,082 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-15 14:12:17,082 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-15 14:12:17,082 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-15 14:12:17,082 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FOX [2024-11-15 14:12:17,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-15 14:12:17,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-15 14:12:17,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-15 14:12:17,372 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-15 14:12:17,372 INFO L274 PluginConnector]: CDTParser initialized [2024-11-15 14:12:17,374 INFO L431 ainManager$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 [2024-11-15 14:12:18,828 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-15 14:12:19,095 INFO L384 CDTParser]: Found 1 translation units. [2024-11-15 14:12:19,096 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 [2024-11-15 14:12:19,116 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a897cafb6/c13d538f30ff40a4bb2bbc15f6ed5d60/FLAGfc734854f [2024-11-15 14:12:19,130 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a897cafb6/c13d538f30ff40a4bb2bbc15f6ed5d60 [2024-11-15 14:12:19,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-15 14:12:19,133 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-15 14:12:19,135 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-15 14:12:19,135 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-15 14:12:19,140 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-15 14:12:19,141 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 02:12:19" (1/1) ... [2024-11-15 14:12:19,141 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16bbd993 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 02:12:19, skipping insertion in model container [2024-11-15 14:12:19,142 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 02:12:19" (1/1) ... [2024-11-15 14:12:19,193 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-15 14:12:19,514 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:12:19,514 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:12:19,521 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:12:19,547 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:12:19,553 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:12:19,555 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:12:19,557 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:12:19,558 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:12:19,563 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:12:19,564 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:12:19,569 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:12:19,573 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:12:19,584 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:12:19,630 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] [2024-11-15 14:12:19,679 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 14:12:19,680 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 14:12:19,725 INFO L200 MainTranslator]: Completed pre-run [2024-11-15 14:12:19,838 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] [2024-11-15 14:12:19,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 14:12:19,889 INFO L204 MainTranslator]: Completed translation [2024-11-15 14:12:19,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 02:12:19 WrapperNode [2024-11-15 14:12:19,889 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-15 14:12:19,890 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-15 14:12:19,890 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-15 14:12:19,891 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-15 14:12:19,898 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 02:12:19" (1/1) ... [2024-11-15 14:12:19,930 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 02:12:19" (1/1) ... [2024-11-15 14:12:19,971 INFO L138 Inliner]: procedures = 86, calls = 178, calls flagged for inlining = 33, calls inlined = 26, statements flattened = 534 [2024-11-15 14:12:19,971 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-15 14:12:19,972 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-15 14:12:19,972 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-15 14:12:19,972 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-15 14:12:19,992 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 02:12:19" (1/1) ... [2024-11-15 14:12:19,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 02:12:19" (1/1) ... [2024-11-15 14:12:20,004 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 02:12:19" (1/1) ... [2024-11-15 14:12:20,071 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]. [2024-11-15 14:12:20,072 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 02:12:19" (1/1) ... [2024-11-15 14:12:20,072 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 02:12:19" (1/1) ... [2024-11-15 14:12:20,095 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 02:12:19" (1/1) ... [2024-11-15 14:12:20,099 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 02:12:19" (1/1) ... [2024-11-15 14:12:20,103 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 02:12:19" (1/1) ... [2024-11-15 14:12:20,106 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 02:12:19" (1/1) ... [2024-11-15 14:12:20,113 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-15 14:12:20,114 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-15 14:12:20,114 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-15 14:12:20,114 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-15 14:12:20,115 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 02:12:19" (1/1) ... [2024-11-15 14:12:20,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-15 14:12:20,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 14:12:20,155 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) [2024-11-15 14:12:20,161 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 [2024-11-15 14:12:20,207 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove_raw [2024-11-15 14:12:20,207 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove_raw [2024-11-15 14:12:20,207 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_probe [2024-11-15 14:12:20,207 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_probe [2024-11-15 14:12:20,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-15 14:12:20,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-15 14:12:20,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-15 14:12:20,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-15 14:12:20,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-15 14:12:20,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-15 14:12:20,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-15 14:12:20,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-15 14:12:20,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-15 14:12:20,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-15 14:12:20,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-15 14:12:20,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-15 14:12:20,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-15 14:12:20,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-15 14:12:20,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-15 14:12:20,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-15 14:12:20,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-15 14:12:20,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-15 14:12:20,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-15 14:12:20,209 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-15 14:12:20,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-15 14:12:20,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-15 14:12:20,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-15 14:12:20,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-15 14:12:20,210 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2024-11-15 14:12:20,210 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2024-11-15 14:12:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-15 14:12:20,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-15 14:12:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-15 14:12:20,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-15 14:12:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-15 14:12:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-15 14:12:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-15 14:12:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-15 14:12:20,212 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove_attr [2024-11-15 14:12:20,212 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove_attr [2024-11-15 14:12:20,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-15 14:12:20,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-15 14:12:20,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-15 14:12:20,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-15 14:12:20,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-15 14:12:20,212 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2024-11-15 14:12:20,212 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2024-11-15 14:12:20,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-15 14:12:20,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-15 14:12:20,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-15 14:12:20,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-15 14:12:20,214 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2024-11-15 14:12:20,214 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2024-11-15 14:12:20,214 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-15 14:12:20,214 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-15 14:12:20,214 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_adc_release [2024-11-15 14:12:20,214 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_adc_release [2024-11-15 14:12:20,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-15 14:12:20,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-15 14:12:20,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-15 14:12:20,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-15 14:12:20,215 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-15 14:12:20,215 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-15 14:12:20,215 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove [2024-11-15 14:12:20,215 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove [2024-11-15 14:12:20,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-15 14:12:20,216 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2024-11-15 14:12:20,216 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2024-11-15 14:12:20,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-15 14:12:20,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-15 14:12:20,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file [2024-11-15 14:12:20,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file [2024-11-15 14:12:20,216 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-15 14:12:20,216 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-15 14:12:20,490 INFO L238 CfgBuilder]: Building ICFG [2024-11-15 14:12:20,495 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-15 14:12:21,126 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-15 14:12:25,613 INFO L? ?]: Removed 254 outVars from TransFormulas that were not future-live. [2024-11-15 14:12:25,614 INFO L287 CfgBuilder]: Performing block encoding [2024-11-15 14:12:25,632 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-15 14:12:25,632 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-15 14:12:25,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 02:12:25 BoogieIcfgContainer [2024-11-15 14:12:25,634 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-15 14:12:25,636 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-15 14:12:25,636 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-15 14:12:25,639 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-15 14:12:25,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 02:12:19" (1/3) ... [2024-11-15 14:12:25,640 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72c216b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 02:12:25, skipping insertion in model container [2024-11-15 14:12:25,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 02:12:19" (2/3) ... [2024-11-15 14:12:25,641 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72c216b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 02:12:25, skipping insertion in model container [2024-11-15 14:12:25,641 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 02:12:25" (3/3) ... [2024-11-15 14:12:25,642 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 [2024-11-15 14:12:25,658 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-15 14:12:25,658 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-15 14:12:25,724 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-15 14:12:25,730 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;@2fb5d5d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-15 14:12:25,730 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-15 14:12:25,735 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) [2024-11-15 14:12:25,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-15 14:12:25,752 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 14:12:25,753 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] [2024-11-15 14:12:25,754 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 14:12:25,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 14:12:25,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1138481429, now seen corresponding path program 1 times [2024-11-15 14:12:25,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 14:12:25,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802403186] [2024-11-15 14:12:25,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 14:12:25,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 14:12:26,028 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 14:12:26,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [547242555] [2024-11-15 14:12:26,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 14:12:26,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 14:12:26,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 14:12:26,031 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) [2024-11-15 14:12:26,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-15 14:12:26,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 14:12:26,430 INFO L255 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-15 14:12:26,439 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 14:12:26,521 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-15 14:12:26,522 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 14:12:26,523 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 14:12:26,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802403186] [2024-11-15 14:12:26,524 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 14:12:26,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547242555] [2024-11-15 14:12:26,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [547242555] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 14:12:26,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 14:12:26,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-15 14:12:26,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085786277] [2024-11-15 14:12:26,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 14:12:26,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 14:12:26,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 14:12:26,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 14:12:26,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 14:12:26,573 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) [2024-11-15 14:12:26,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 14:12:26,723 INFO L93 Difference]: Finished difference Result 471 states and 637 transitions. [2024-11-15 14:12:26,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 14:12:26,727 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 [2024-11-15 14:12:26,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 14:12:26,742 INFO L225 Difference]: With dead ends: 471 [2024-11-15 14:12:26,742 INFO L226 Difference]: Without dead ends: 228 [2024-11-15 14:12:26,752 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 [2024-11-15 14:12:26,756 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 [2024-11-15 14:12:26,757 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] [2024-11-15 14:12:26,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-15 14:12:26,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2024-11-15 14:12:26,859 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) [2024-11-15 14:12:26,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 298 transitions. [2024-11-15 14:12:26,865 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 298 transitions. Word has length 73 [2024-11-15 14:12:26,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 14:12:26,865 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 298 transitions. [2024-11-15 14:12:26,866 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) [2024-11-15 14:12:26,866 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 298 transitions. [2024-11-15 14:12:26,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-15 14:12:26,870 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 14:12:26,871 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] [2024-11-15 14:12:26,892 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-15 14:12:27,072 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,SelfDestructingSolverStorable0 [2024-11-15 14:12:27,073 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 14:12:27,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 14:12:27,074 INFO L85 PathProgramCache]: Analyzing trace with hash -215265634, now seen corresponding path program 1 times [2024-11-15 14:12:27,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 14:12:27,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622692078] [2024-11-15 14:12:27,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 14:12:27,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 14:12:27,237 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 14:12:27,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1926359409] [2024-11-15 14:12:27,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 14:12:27,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 14:12:27,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 14:12:27,242 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) [2024-11-15 14:12:27,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-15 14:12:27,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 14:12:27,630 INFO L255 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-15 14:12:27,635 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 14:12:27,771 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-15 14:12:27,771 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 14:12:27,771 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 14:12:27,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622692078] [2024-11-15 14:12:27,771 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 14:12:27,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1926359409] [2024-11-15 14:12:27,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1926359409] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 14:12:27,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 14:12:27,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-15 14:12:27,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503428874] [2024-11-15 14:12:27,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 14:12:27,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-15 14:12:27,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 14:12:27,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-15 14:12:27,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-15 14:12:27,775 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) [2024-11-15 14:12:27,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 14:12:27,931 INFO L93 Difference]: Finished difference Result 456 states and 598 transitions. [2024-11-15 14:12:27,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-15 14:12:27,932 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 [2024-11-15 14:12:27,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 14:12:27,935 INFO L225 Difference]: With dead ends: 456 [2024-11-15 14:12:27,935 INFO L226 Difference]: Without dead ends: 231 [2024-11-15 14:12:27,936 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 [2024-11-15 14:12:27,937 INFO L432 NwaCegarLoop]: 271 mSDtfsCounter, 0 mSDsluCounter, 798 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2024-11-15 14:12:27,937 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1069 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-15 14:12:27,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-11-15 14:12:27,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2024-11-15 14:12:27,952 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) [2024-11-15 14:12:27,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 301 transitions. [2024-11-15 14:12:27,956 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 301 transitions. Word has length 97 [2024-11-15 14:12:27,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 14:12:27,958 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 301 transitions. [2024-11-15 14:12:27,960 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) [2024-11-15 14:12:27,960 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 301 transitions. [2024-11-15 14:12:27,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-15 14:12:27,966 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 14:12:27,967 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] [2024-11-15 14:12:27,989 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-15 14:12:28,167 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,SelfDestructingSolverStorable1 [2024-11-15 14:12:28,168 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 14:12:28,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 14:12:28,168 INFO L85 PathProgramCache]: Analyzing trace with hash -2082609929, now seen corresponding path program 1 times [2024-11-15 14:12:28,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 14:12:28,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594482528] [2024-11-15 14:12:28,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 14:12:28,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 14:12:28,282 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 14:12:28,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [33113108] [2024-11-15 14:12:28,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 14:12:28,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 14:12:28,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 14:12:28,287 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) [2024-11-15 14:12:28,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-15 14:12:28,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 14:12:28,790 INFO L255 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-15 14:12:28,795 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 14:12:28,977 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-15 14:12:28,977 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 14:12:28,977 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 14:12:28,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594482528] [2024-11-15 14:12:28,979 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 14:12:28,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [33113108] [2024-11-15 14:12:28,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [33113108] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 14:12:28,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 14:12:28,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-15 14:12:28,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245857296] [2024-11-15 14:12:28,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 14:12:28,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-15 14:12:28,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 14:12:28,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-15 14:12:28,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-15 14:12:28,982 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) [2024-11-15 14:12:29,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 14:12:29,176 INFO L93 Difference]: Finished difference Result 463 states and 607 transitions. [2024-11-15 14:12:29,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-15 14:12:29,177 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 [2024-11-15 14:12:29,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 14:12:29,181 INFO L225 Difference]: With dead ends: 463 [2024-11-15 14:12:29,181 INFO L226 Difference]: Without dead ends: 233 [2024-11-15 14:12:29,182 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-15 14:12:29,183 INFO L432 NwaCegarLoop]: 267 mSDtfsCounter, 0 mSDsluCounter, 1315 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.2s IncrementalHoareTripleChecker+Time [2024-11-15 14:12:29,183 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1582 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-15 14:12:29,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2024-11-15 14:12:29,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2024-11-15 14:12:29,198 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) [2024-11-15 14:12:29,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 305 transitions. [2024-11-15 14:12:29,200 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 305 transitions. Word has length 122 [2024-11-15 14:12:29,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 14:12:29,201 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 305 transitions. [2024-11-15 14:12:29,201 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) [2024-11-15 14:12:29,201 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 305 transitions. [2024-11-15 14:12:29,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-15 14:12:29,203 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 14:12:29,203 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] [2024-11-15 14:12:29,225 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-15 14:12:29,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 14:12:29,408 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 14:12:29,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 14:12:29,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1373940528, now seen corresponding path program 1 times [2024-11-15 14:12:29,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 14:12:29,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649849628] [2024-11-15 14:12:29,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 14:12:29,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 14:12:29,511 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 14:12:29,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [229197392] [2024-11-15 14:12:29,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 14:12:29,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 14:12:29,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 14:12:29,514 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) [2024-11-15 14:12:29,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process