/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'cvc4 --incremental --print-success --lang smt' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-356b6ba-m [2024-11-01 06:28:42,486 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-01 06:28:42,582 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-01 06:28:42,587 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-01 06:28:42,587 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-01 06:28:42,620 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-01 06:28:42,620 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-01 06:28:42,621 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-01 06:28:42,622 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-01 06:28:42,623 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-01 06:28:42,623 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-01 06:28:42,623 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-01 06:28:42,624 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-01 06:28:42,624 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-01 06:28:42,624 INFO L153 SettingsManager]: * Use SBE=true [2024-11-01 06:28:42,625 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-01 06:28:42,625 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-01 06:28:42,625 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-01 06:28:42,626 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-01 06:28:42,626 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-01 06:28:42,628 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-01 06:28:42,630 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-01 06:28:42,631 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-01 06:28:42,631 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-01 06:28:42,631 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-01 06:28:42,631 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-01 06:28:42,632 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-01 06:28:42,632 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-01 06:28:42,632 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-01 06:28:42,633 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-01 06:28:42,633 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-01 06:28:42,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 06:28:42,633 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-01 06:28:42,634 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-01 06:28:42,634 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-01 06:28:42,634 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-01 06:28:42,634 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-01 06:28:42,635 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-01 06:28:42,635 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-01 06:28:42,635 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-01 06:28:42,635 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-01 06:28:42,637 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-11-01 06:28:42,637 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc4 --incremental --print-success --lang smt [2024-11-01 06:28:42,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-01 06:28:42,984 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-01 06:28:42,987 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-01 06:28:42,987 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-01 06:28:42,988 INFO L274 PluginConnector]: CDTParser initialized [2024-11-01 06:28:42,989 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a.i [2024-11-01 06:28:44,434 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-01 06:28:44,758 INFO L384 CDTParser]: Found 1 translation units. [2024-11-01 06:28:44,759 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a.i [2024-11-01 06:28:44,782 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8f2132f3/47be4b68a6cd49febb27ff3a207632fc/FLAG5beb56437 [2024-11-01 06:28:44,801 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8f2132f3/47be4b68a6cd49febb27ff3a207632fc [2024-11-01 06:28:44,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-01 06:28:44,809 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-01 06:28:44,812 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-01 06:28:44,812 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-01 06:28:44,817 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-01 06:28:44,818 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 06:28:44" (1/1) ... [2024-11-01 06:28:44,819 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c54826a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:28:44, skipping insertion in model container [2024-11-01 06:28:44,819 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 06:28:44" (1/1) ... [2024-11-01 06:28:44,882 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-01 06:28:45,257 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:28:45,258 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:28:45,266 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:28:45,287 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:28:45,289 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:28:45,290 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:28:45,292 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:28:45,293 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:28:45,294 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:28:45,295 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:28:45,300 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:28:45,304 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:28:45,325 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a.i[36170,36183] [2024-11-01 06:28:45,356 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:28:45,357 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 06:28:45,374 INFO L200 MainTranslator]: Completed pre-run [2024-11-01 06:28:45,465 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a.i[36170,36183] [2024-11-01 06:28:45,474 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 06:28:45,510 INFO L204 MainTranslator]: Completed translation [2024-11-01 06:28:45,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:28:45 WrapperNode [2024-11-01 06:28:45,511 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-01 06:28:45,512 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-01 06:28:45,512 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-01 06:28:45,513 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-01 06:28:45,520 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:28:45" (1/1) ... [2024-11-01 06:28:45,544 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:28:45" (1/1) ... [2024-11-01 06:28:45,600 INFO L138 Inliner]: procedures = 78, calls = 163, calls flagged for inlining = 35, calls inlined = 30, statements flattened = 504 [2024-11-01 06:28:45,601 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-01 06:28:45,605 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-01 06:28:45,605 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-01 06:28:45,606 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-01 06:28:45,626 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:28:45" (1/1) ... [2024-11-01 06:28:45,627 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:28:45" (1/1) ... [2024-11-01 06:28:45,641 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:28:45" (1/1) ... [2024-11-01 06:28:45,718 INFO L175 MemorySlicer]: Split 54 memory accesses to 7 slices as follows [2, 2, 20, 4, 3, 1, 22]. 41 percent of accesses are in the largest equivalence class. The 6 initializations are split as follows [2, 0, 0, 4, 0, 0, 0]. The 34 writes are split as follows [0, 0, 12, 0, 0, 0, 22]. [2024-11-01 06:28:45,718 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:28:45" (1/1) ... [2024-11-01 06:28:45,718 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:28:45" (1/1) ... [2024-11-01 06:28:45,744 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:28:45" (1/1) ... [2024-11-01 06:28:45,748 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:28:45" (1/1) ... [2024-11-01 06:28:45,757 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:28:45" (1/1) ... [2024-11-01 06:28:45,764 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:28:45" (1/1) ... [2024-11-01 06:28:45,772 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-01 06:28:45,773 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-01 06:28:45,774 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-01 06:28:45,774 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-01 06:28:45,775 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:28:45" (1/1) ... [2024-11-01 06:28:45,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 06:28:45,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 06:28:45,810 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) [2024-11-01 06:28:45,812 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 [2024-11-01 06:28:45,831 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove_raw [2024-11-01 06:28:45,831 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove_raw [2024-11-01 06:28:45,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-01 06:28:45,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-01 06:28:45,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-01 06:28:45,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-01 06:28:45,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-01 06:28:45,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-01 06:28:45,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-01 06:28:45,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-01 06:28:45,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-01 06:28:45,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-01 06:28:45,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-01 06:28:45,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-01 06:28:45,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-01 06:28:45,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-01 06:28:45,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-01 06:28:45,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-01 06:28:45,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-01 06:28:45,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-01 06:28:45,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-01 06:28:45,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-01 06:28:45,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-01 06:28:45,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-01 06:28:45,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-01 06:28:45,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-01 06:28:45,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-01 06:28:45,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-01 06:28:45,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-01 06:28:45,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-01 06:28:45,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-01 06:28:45,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-01 06:28:45,835 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2024-11-01 06:28:45,838 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2024-11-01 06:28:45,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-01 06:28:45,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-01 06:28:45,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-01 06:28:45,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-01 06:28:45,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-01 06:28:45,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-01 06:28:45,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-01 06:28:45,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-01 06:28:45,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-01 06:28:45,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-01 06:28:45,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-01 06:28:45,839 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove_attr [2024-11-01 06:28:45,840 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove_attr [2024-11-01 06:28:45,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-01 06:28:45,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-01 06:28:45,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-01 06:28:45,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-01 06:28:45,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-01 06:28:45,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-01 06:28:45,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-01 06:28:45,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-01 06:28:45,840 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2024-11-01 06:28:45,841 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2024-11-01 06:28:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_sysfs [2024-11-01 06:28:45,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_sysfs [2024-11-01 06:28:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2024-11-01 06:28:45,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2024-11-01 06:28:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-01 06:28:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-01 06:28:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-01 06:28:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-01 06:28:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-01 06:28:45,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-01 06:28:45,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-01 06:28:45,842 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2024-11-01 06:28:45,842 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2024-11-01 06:28:45,842 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-01 06:28:45,842 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-01 06:28:45,842 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_adc_release [2024-11-01 06:28:45,842 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_adc_release [2024-11-01 06:28:45,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-01 06:28:45,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-01 06:28:45,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-01 06:28:45,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-01 06:28:45,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-01 06:28:45,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-01 06:28:45,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-01 06:28:45,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2024-11-01 06:28:45,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2024-11-01 06:28:45,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-01 06:28:45,847 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2024-11-01 06:28:45,848 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2024-11-01 06:28:45,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-01 06:28:45,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-01 06:28:45,848 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-01 06:28:45,848 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-01 06:28:46,127 INFO L238 CfgBuilder]: Building ICFG [2024-11-01 06:28:46,130 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-01 06:28:51,066 INFO L? ?]: Removed 250 outVars from TransFormulas that were not future-live. [2024-11-01 06:28:51,066 INFO L287 CfgBuilder]: Performing block encoding [2024-11-01 06:28:51,088 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-01 06:28:51,088 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-01 06:28:51,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 06:28:51 BoogieIcfgContainer [2024-11-01 06:28:51,089 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-01 06:28:51,091 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-01 06:28:51,091 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-01 06:28:51,094 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-01 06:28:51,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 06:28:44" (1/3) ... [2024-11-01 06:28:51,095 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@367de044 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 06:28:51, skipping insertion in model container [2024-11-01 06:28:51,095 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:28:45" (2/3) ... [2024-11-01 06:28:51,096 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@367de044 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 06:28:51, skipping insertion in model container [2024-11-01 06:28:51,096 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 06:28:51" (3/3) ... [2024-11-01 06:28:51,099 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a.i [2024-11-01 06:28:51,114 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-01 06:28:51,114 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-01 06:28:51,190 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-01 06:28:51,196 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;@1976d760, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-01 06:28:51,197 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-01 06:28:51,202 INFO L276 IsEmpty]: Start isEmpty. Operand has 186 states, 133 states have (on average 1.2255639097744362) internal successors, (163), 137 states have internal predecessors, (163), 37 states have call successors, (37), 14 states have call predecessors, (37), 14 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-01 06:28:51,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-01 06:28:51,216 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 06:28:51,217 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 06:28:51,218 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_device_create_file_dev_attr_of_sensor_device_attributeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_file_dev_attr_of_sensor_device_attributeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 06:28:51,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 06:28:51,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1082008596, now seen corresponding path program 1 times [2024-11-01 06:28:51,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 06:28:51,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1437458303] [2024-11-01 06:28:51,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 06:28:51,237 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 06:28:51,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 06:28:51,240 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 06:28:51,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-01 06:28:51,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 06:28:51,817 INFO L255 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-01 06:28:51,827 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 06:28:52,142 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-01 06:28:52,143 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 06:28:52,686 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-01 06:28:52,687 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 06:28:52,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1437458303] [2024-11-01 06:28:52,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1437458303] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-01 06:28:52,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-01 06:28:52,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2024-11-01 06:28:52,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871198103] [2024-11-01 06:28:52,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-01 06:28:52,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-01 06:28:52,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 06:28:52,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-01 06:28:52,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-11-01 06:28:52,724 INFO L87 Difference]: Start difference. First operand has 186 states, 133 states have (on average 1.2255639097744362) internal successors, (163), 137 states have internal predecessors, (163), 37 states have call successors, (37), 14 states have call predecessors, (37), 14 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 7 states have internal predecessors, (57), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-01 06:28:53,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 06:28:53,013 INFO L93 Difference]: Finished difference Result 370 states and 481 transitions. [2024-11-01 06:28:53,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-01 06:28:53,017 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 7 states have internal predecessors, (57), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 84 [2024-11-01 06:28:53,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 06:28:53,028 INFO L225 Difference]: With dead ends: 370 [2024-11-01 06:28:53,029 INFO L226 Difference]: Without dead ends: 183 [2024-11-01 06:28:53,037 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-11-01 06:28:53,041 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 0 mSDsluCounter, 1356 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1585 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-01 06:28:53,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1585 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-01 06:28:53,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-01 06:28:53,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2024-11-01 06:28:53,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 131 states have (on average 1.1908396946564885) internal successors, (156), 134 states have internal predecessors, (156), 36 states have call successors, (36), 14 states have call predecessors, (36), 15 states have return successors, (40), 37 states have call predecessors, (40), 36 states have call successors, (40) [2024-11-01 06:28:53,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 232 transitions. [2024-11-01 06:28:53,166 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 232 transitions. Word has length 84 [2024-11-01 06:28:53,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 06:28:53,166 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 232 transitions. [2024-11-01 06:28:53,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 7 states have internal predecessors, (57), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-01 06:28:53,167 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 232 transitions. [2024-11-01 06:28:53,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-01 06:28:53,173 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 06:28:53,173 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-01 06:28:53,182 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-01 06:28:53,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-01 06:28:53,375 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_device_create_file_dev_attr_of_sensor_device_attributeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_file_dev_attr_of_sensor_device_attributeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 06:28:53,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 06:28:53,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1423336781, now seen corresponding path program 1 times [2024-11-01 06:28:53,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 06:28:53,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1746841306] [2024-11-01 06:28:53,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 06:28:53,377 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 06:28:53,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 06:28:53,378 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 06:28:53,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-01 06:28:54,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 06:28:54,211 INFO L255 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-01 06:28:54,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 06:28:55,215 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-01 06:28:55,216 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 06:28:55,700 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-01 06:28:55,701 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 06:28:55,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1746841306] [2024-11-01 06:28:55,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1746841306] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 06:28:55,701 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 06:28:55,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 7] imperfect sequences [] total 12 [2024-11-01 06:28:55,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096291541] [2024-11-01 06:28:55,702 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 06:28:55,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-01 06:28:55,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 06:28:55,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-01 06:28:55,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-01 06:28:55,706 INFO L87 Difference]: Start difference. First operand 183 states and 232 transitions. Second operand has 12 states, 12 states have (on average 9.583333333333334) internal successors, (115), 10 states have internal predecessors, (115), 5 states have call successors, (20), 6 states have call predecessors, (20), 4 states have return successors, (18), 5 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-01 06:28:59,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-01 06:29:03,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-01 06:29:07,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-01 06:29:11,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-01 06:29:15,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-01 06:29:19,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-01 06:29:32,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 06:29:32,064 INFO L93 Difference]: Finished difference Result 1153 states and 1472 transitions. [2024-11-01 06:29:32,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-01 06:29:32,066 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.583333333333334) internal successors, (115), 10 states have internal predecessors, (115), 5 states have call successors, (20), 6 states have call predecessors, (20), 4 states have return successors, (18), 5 states have call predecessors, (18), 3 states have call successors, (18) Word has length 91 [2024-11-01 06:29:32,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 06:29:32,084 INFO L225 Difference]: With dead ends: 1153 [2024-11-01 06:29:32,084 INFO L226 Difference]: Without dead ends: 1151 [2024-11-01 06:29:32,086 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2024-11-01 06:29:32,088 INFO L432 NwaCegarLoop]: 451 mSDtfsCounter, 1932 mSDsluCounter, 1678 mSDsCounter, 0 mSdLazyCounter, 1589 mSolverCounterSat, 750 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2028 SdHoareTripleChecker+Valid, 2129 SdHoareTripleChecker+Invalid, 2345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 750 IncrementalHoareTripleChecker+Valid, 1589 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.3s IncrementalHoareTripleChecker+Time [2024-11-01 06:29:32,088 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2028 Valid, 2129 Invalid, 2345 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [750 Valid, 1589 Invalid, 6 Unknown, 0 Unchecked, 35.3s Time] [2024-11-01 06:29:32,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1151 states. [2024-11-01 06:29:32,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1151 to 670. [2024-11-01 06:29:32,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 477 states have (on average 1.1886792452830188) internal successors, (567), 491 states have internal predecessors, (567), 131 states have call successors, (131), 56 states have call predecessors, (131), 61 states have return successors, (153), 133 states have call predecessors, (153), 131 states have call successors, (153) [2024-11-01 06:29:32,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 851 transitions. [2024-11-01 06:29:32,209 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 851 transitions. Word has length 91 [2024-11-01 06:29:32,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 06:29:32,210 INFO L471 AbstractCegarLoop]: Abstraction has 670 states and 851 transitions. [2024-11-01 06:29:32,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.583333333333334) internal successors, (115), 10 states have internal predecessors, (115), 5 states have call successors, (20), 6 states have call predecessors, (20), 4 states have return successors, (18), 5 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-01 06:29:32,210 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 851 transitions. [2024-11-01 06:29:32,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-01 06:29:32,218 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 06:29:32,218 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 06:29:32,231 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-01 06:29:32,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-01 06:29:32,420 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_device_create_file_dev_attr_of_sensor_device_attributeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_file_dev_attr_of_sensor_device_attributeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 06:29:32,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 06:29:32,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1514400665, now seen corresponding path program 1 times [2024-11-01 06:29:32,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 06:29:32,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2063189231] [2024-11-01 06:29:32,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 06:29:32,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 06:29:32,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 06:29:32,425 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 06:29:32,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-01 06:29:33,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 06:29:33,036 INFO L255 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-01 06:29:33,042 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 06:29:34,413 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-01 06:29:34,414 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 06:29:35,938 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-01 06:29:35,938 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 06:29:35,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2063189231] [2024-11-01 06:29:35,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2063189231] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-01 06:29:35,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-01 06:29:35,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2024-11-01 06:29:35,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922662642] [2024-11-01 06:29:35,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-01 06:29:35,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-01 06:29:35,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 06:29:35,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-01 06:29:35,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-01 06:29:35,941 INFO L87 Difference]: Start difference. First operand 670 states and 851 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-01 06:29:39,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-01 06:29:43,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-01 06:29:45,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 06:29:45,806 INFO L93 Difference]: Finished difference Result 1189 states and 1516 transitions. [2024-11-01 06:29:45,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-01 06:29:45,807 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 133 [2024-11-01 06:29:45,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 06:29:45,812 INFO L225 Difference]: With dead ends: 1189 [2024-11-01 06:29:45,813 INFO L226 Difference]: Without dead ends: 670 [2024-11-01 06:29:45,816 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-01 06:29:45,817 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 153 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 68 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2024-11-01 06:29:45,818 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 413 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 253 Invalid, 2 Unknown, 0 Unchecked, 9.7s Time] [2024-11-01 06:29:45,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2024-11-01 06:29:45,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 670. [2024-11-01 06:29:45,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 477 states have (on average 1.1865828092243187) internal successors, (566), 491 states have internal predecessors, (566), 131 states have call successors, (131), 56 states have call predecessors, (131), 61 states have return successors, (153), 133 states have call predecessors, (153), 131 states have call successors, (153) [2024-11-01 06:29:45,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 850 transitions. [2024-11-01 06:29:45,889 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 850 transitions. Word has length 133 [2024-11-01 06:29:45,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 06:29:45,890 INFO L471 AbstractCegarLoop]: Abstraction has 670 states and 850 transitions. [2024-11-01 06:29:45,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-01 06:29:45,891 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 850 transitions. [2024-11-01 06:29:45,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-01 06:29:45,895 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 06:29:45,895 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 06:29:45,905 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-01 06:29:46,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-01 06:29:46,097 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_device_create_file_dev_attr_of_sensor_device_attributeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_file_dev_attr_of_sensor_device_attributeErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 06:29:46,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 06:29:46,097 INFO L85 PathProgramCache]: Analyzing trace with hash -476668799, now seen corresponding path program 1 times [2024-11-01 06:29:46,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 06:29:46,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1140010124] [2024-11-01 06:29:46,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 06:29:46,098 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 06:29:46,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 06:29:46,101 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 06:29:46,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-01 06:29:46,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 06:29:46,581 INFO L255 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-01 06:29:46,586 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 06:29:46,797 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-01 06:29:46,797 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 06:29:47,376 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-01 06:29:47,376 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 06:29:47,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1140010124] [2024-11-01 06:29:47,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1140010124] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-01 06:29:47,377 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-01 06:29:47,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2024-11-01 06:29:47,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097890479] [2024-11-01 06:29:47,407 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-01 06:29:47,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-01 06:29:47,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 06:29:47,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-01 06:29:47,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-01 06:29:47,410 INFO L87 Difference]: Start difference. First operand 670 states and 850 transitions. Second operand has 7 states, 7 states have (on average 15.0) internal successors, (105), 7 states have internal predecessors, (105), 4 states have call successors, (17), 5 states have call predecessors, (17), 5 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-01 06:29:51,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-01 06:29:55,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-01 06:29:59,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-01 06:30:03,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-01 06:30:06,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 06:30:06,347 INFO L93 Difference]: Finished difference Result 842 states and 1072 transitions. [2024-11-01 06:30:06,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-01 06:30:06,348 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 7 states have internal predecessors, (105), 4 states have call successors, (17), 5 states have call predecessors, (17), 5 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) Word has length 134 [2024-11-01 06:30:06,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 06:30:06,350 INFO L225 Difference]: With dead ends: 842 [2024-11-01 06:30:06,350 INFO L226 Difference]: Without dead ends: 0 [2024-11-01 06:30:06,353 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-01 06:30:06,354 INFO L432 NwaCegarLoop]: 265 mSDtfsCounter, 330 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 111 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 688 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.8s IncrementalHoareTripleChecker+Time [2024-11-01 06:30:06,354 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [362 Valid, 688 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 454 Invalid, 4 Unknown, 0 Unchecked, 18.8s Time] [2024-11-01 06:30:06,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-01 06:30:06,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-01 06:30:06,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-01 06:30:06,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-01 06:30:06,356 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 134 [2024-11-01 06:30:06,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 06:30:06,356 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-01 06:30:06,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 7 states have internal predecessors, (105), 4 states have call successors, (17), 5 states have call predecessors, (17), 5 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-01 06:30:06,357 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-01 06:30:06,357 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-01 06:30:06,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_device_create_file_dev_attr_of_sensor_device_attributeErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-01 06:30:06,370 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-01 06:30:06,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-01 06:30:06,565 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-01 06:30:06,567 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.