./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bf75d7f1708750397c6bdac14ac08b964b10a95dcecc15b57a02c9969977c6ec --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 10:26:46,519 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 10:26:46,576 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-04 10:26:46,580 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 10:26:46,583 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 10:26:46,602 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 10:26:46,603 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 10:26:46,603 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 10:26:46,604 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 10:26:46,604 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 10:26:46,605 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 10:26:46,605 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 10:26:46,605 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 10:26:46,605 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 10:26:46,605 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 10:26:46,606 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 10:26:46,606 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 10:26:46,606 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 10:26:46,606 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 10:26:46,606 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 10:26:46,606 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 10:26:46,606 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 10:26:46,606 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 10:26:46,606 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 10:26:46,606 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-04 10:26:46,606 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 10:26:46,606 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 10:26:46,607 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 10:26:46,607 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 10:26:46,607 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 10:26:46,607 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 10:26:46,607 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 10:26:46,607 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 10:26:46,607 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 10:26:46,607 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 10:26:46,608 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 10:26:46,608 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 10:26:46,608 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 10:26:46,608 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 10:26:46,608 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 10:26:46,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 10:26:46,608 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 10:26:46,608 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 10:26:46,608 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 10:26:46,608 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 10:26:46,608 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf75d7f1708750397c6bdac14ac08b964b10a95dcecc15b57a02c9969977c6ec [2025-03-04 10:26:46,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 10:26:46,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 10:26:46,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 10:26:46,863 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 10:26:46,863 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 10:26:46,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2025-03-04 10:26:48,027 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1bd433ad/ded30c0e415a48298f3b88c5993c502b/FLAGce7860436 [2025-03-04 10:26:48,284 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 10:26:48,284 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2025-03-04 10:26:48,296 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1bd433ad/ded30c0e415a48298f3b88c5993c502b/FLAGce7860436 [2025-03-04 10:26:48,589 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1bd433ad/ded30c0e415a48298f3b88c5993c502b [2025-03-04 10:26:48,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 10:26:48,592 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 10:26:48,593 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 10:26:48,593 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 10:26:48,597 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 10:26:48,597 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 10:26:48" (1/1) ... [2025-03-04 10:26:48,598 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17f8c329 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:26:48, skipping insertion in model container [2025-03-04 10:26:48,598 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 10:26:48" (1/1) ... [2025-03-04 10:26:48,626 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 10:26:48,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 10:26:48,832 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 10:26:48,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 10:26:48,908 INFO L204 MainTranslator]: Completed translation [2025-03-04 10:26:48,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:26:48 WrapperNode [2025-03-04 10:26:48,909 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 10:26:48,910 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 10:26:48,910 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 10:26:48,910 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 10:26:48,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:26:48" (1/1) ... [2025-03-04 10:26:48,922 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:26:48" (1/1) ... [2025-03-04 10:26:48,955 INFO L138 Inliner]: procedures = 29, calls = 44, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 736 [2025-03-04 10:26:48,955 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 10:26:48,956 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 10:26:48,956 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 10:26:48,956 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 10:26:48,963 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:26:48" (1/1) ... [2025-03-04 10:26:48,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:26:48" (1/1) ... [2025-03-04 10:26:48,967 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:26:48" (1/1) ... [2025-03-04 10:26:48,983 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-04 10:26:48,983 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:26:48" (1/1) ... [2025-03-04 10:26:48,983 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:26:48" (1/1) ... [2025-03-04 10:26:48,991 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:26:48" (1/1) ... [2025-03-04 10:26:48,994 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:26:48" (1/1) ... [2025-03-04 10:26:49,001 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:26:48" (1/1) ... [2025-03-04 10:26:49,002 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:26:48" (1/1) ... [2025-03-04 10:26:49,008 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 10:26:49,009 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 10:26:49,009 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 10:26:49,009 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 10:26:49,012 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:26:48" (1/1) ... [2025-03-04 10:26:49,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 10:26:49,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:26:49,036 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) [2025-03-04 10:26:49,041 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 [2025-03-04 10:26:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 10:26:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2025-03-04 10:26:49,053 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2025-03-04 10:26:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2025-03-04 10:26:49,054 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2025-03-04 10:26:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2025-03-04 10:26:49,054 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2025-03-04 10:26:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2025-03-04 10:26:49,054 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2025-03-04 10:26:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2025-03-04 10:26:49,054 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2025-03-04 10:26:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 10:26:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2025-03-04 10:26:49,054 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2025-03-04 10:26:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 10:26:49,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 10:26:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2025-03-04 10:26:49,054 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2025-03-04 10:26:49,171 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 10:26:49,173 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 10:26:49,608 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L713: assume false; [2025-03-04 10:26:49,608 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L713: assume !false; [2025-03-04 10:26:49,608 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L172: assume false; [2025-03-04 10:26:49,608 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L172: assume !false; [2025-03-04 10:26:49,609 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L753: havoc PoCallDriver_~tmp_ndt_9~0#1; [2025-03-04 10:26:49,609 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L607: assume false; [2025-03-04 10:26:49,609 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L607: assume !false;havoc KeWaitForSingleObject_~tmp_ndt_8~0#1; [2025-03-04 10:26:49,609 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L377: assume false; [2025-03-04 10:26:49,609 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L377: assume !false; [2025-03-04 10:26:49,610 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L778: assume false; [2025-03-04 10:26:49,610 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L778: assume !false; [2025-03-04 10:26:49,653 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L488: havoc ~tmp_ndt_6~0; [2025-03-04 10:26:49,653 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L513: assume false; [2025-03-04 10:26:49,653 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L513: assume !false; [2025-03-04 10:26:49,708 INFO L? ?]: Removed 247 outVars from TransFormulas that were not future-live. [2025-03-04 10:26:49,708 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 10:26:49,725 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 10:26:49,726 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 10:26:49,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 10:26:49 BoogieIcfgContainer [2025-03-04 10:26:49,726 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 10:26:49,727 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 10:26:49,727 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 10:26:49,733 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 10:26:49,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 10:26:48" (1/3) ... [2025-03-04 10:26:49,734 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@371f86d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 10:26:49, skipping insertion in model container [2025-03-04 10:26:49,734 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:26:48" (2/3) ... [2025-03-04 10:26:49,734 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@371f86d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 10:26:49, skipping insertion in model container [2025-03-04 10:26:49,734 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 10:26:49" (3/3) ... [2025-03-04 10:26:49,735 INFO L128 eAbstractionObserver]: Analyzing ICFG kbfiltr_simpl2.cil-1.c [2025-03-04 10:26:49,745 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 10:26:49,747 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG kbfiltr_simpl2.cil-1.c that has 8 procedures, 258 locations, 1 initial locations, 0 loop locations, and 24 error locations. [2025-03-04 10:26:49,794 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 10:26:49,807 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;@4da133ec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 10:26:49,808 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2025-03-04 10:26:49,813 INFO L276 IsEmpty]: Start isEmpty. Operand has 258 states, 198 states have (on average 1.6313131313131313) internal successors, (323), 238 states have internal predecessors, (323), 28 states have call successors, (28), 7 states have call predecessors, (28), 7 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2025-03-04 10:26:49,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-03-04 10:26:49,819 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:26:49,819 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:26:49,820 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-04 10:26:49,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:26:49,825 INFO L85 PathProgramCache]: Analyzing trace with hash -962002034, now seen corresponding path program 1 times [2025-03-04 10:26:49,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:26:49,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942873490] [2025-03-04 10:26:49,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:26:49,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:26:49,897 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-04 10:26:49,952 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-04 10:26:49,954 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:26:49,954 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 10:26:49,955 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 10:26:49,964 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-04 10:26:49,985 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-04 10:26:49,988 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:26:49,988 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 10:26:50,008 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 10:26:50,009 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-04 10:26:50,010 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 24 remaining) [2025-03-04 10:26:50,012 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 24 remaining) [2025-03-04 10:26:50,012 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 24 remaining) [2025-03-04 10:26:50,012 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 24 remaining) [2025-03-04 10:26:50,013 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 24 remaining) [2025-03-04 10:26:50,013 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 24 remaining) [2025-03-04 10:26:50,013 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 24 remaining) [2025-03-04 10:26:50,013 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 24 remaining) [2025-03-04 10:26:50,013 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 24 remaining) [2025-03-04 10:26:50,013 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 24 remaining) [2025-03-04 10:26:50,013 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 24 remaining) [2025-03-04 10:26:50,013 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 24 remaining) [2025-03-04 10:26:50,013 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 24 remaining) [2025-03-04 10:26:50,014 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 24 remaining) [2025-03-04 10:26:50,014 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 24 remaining) [2025-03-04 10:26:50,014 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 24 remaining) [2025-03-04 10:26:50,014 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 24 remaining) [2025-03-04 10:26:50,015 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 24 remaining) [2025-03-04 10:26:50,015 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 24 remaining) [2025-03-04 10:26:50,015 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 24 remaining) [2025-03-04 10:26:50,015 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location KbFilter_DispatchPassThroughErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 24 remaining) [2025-03-04 10:26:50,015 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location KbFilter_DispatchPassThroughErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 24 remaining) [2025-03-04 10:26:50,015 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location KbFilter_DispatchPassThroughErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 24 remaining) [2025-03-04 10:26:50,015 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location KbFilter_DispatchPassThroughErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 24 remaining) [2025-03-04 10:26:50,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 10:26:50,019 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-03-04 10:26:50,047 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-04 10:26:50,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 10:26:50 BoogieIcfgContainer [2025-03-04 10:26:50,049 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-04 10:26:50,050 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 10:26:50,050 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 10:26:50,050 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 10:26:50,051 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 10:26:49" (3/4) ... [2025-03-04 10:26:50,052 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2025-03-04 10:26:50,109 INFO L127 tionWitnessGenerator]: Generated YAML witness of length 13. [2025-03-04 10:26:50,152 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-04 10:26:50,153 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-04 10:26:50,153 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 10:26:50,154 INFO L158 Benchmark]: Toolchain (without parser) took 1561.47ms. Allocated memory is still 167.8MB. Free memory was 123.0MB in the beginning and 105.3MB in the end (delta: 17.7MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2025-03-04 10:26:50,154 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 201.3MB. Free memory is still 118.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 10:26:50,154 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.99ms. Allocated memory is still 167.8MB. Free memory was 123.0MB in the beginning and 104.5MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-04 10:26:50,155 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.41ms. Allocated memory is still 167.8MB. Free memory was 104.5MB in the beginning and 101.1MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 10:26:50,155 INFO L158 Benchmark]: Boogie Preprocessor took 52.76ms. Allocated memory is still 167.8MB. Free memory was 101.1MB in the beginning and 98.3MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 10:26:50,156 INFO L158 Benchmark]: IcfgBuilder took 717.21ms. Allocated memory is still 167.8MB. Free memory was 98.3MB in the beginning and 49.3MB in the end (delta: 48.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2025-03-04 10:26:50,156 INFO L158 Benchmark]: TraceAbstraction took 321.98ms. Allocated memory is still 167.8MB. Free memory was 48.6MB in the beginning and 112.7MB in the end (delta: -64.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 10:26:50,157 INFO L158 Benchmark]: Witness Printer took 103.02ms. Allocated memory is still 167.8MB. Free memory was 112.7MB in the beginning and 105.3MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 10:26:50,158 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63ms. Allocated memory is still 201.3MB. Free memory is still 118.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.99ms. Allocated memory is still 167.8MB. Free memory was 123.0MB in the beginning and 104.5MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.41ms. Allocated memory is still 167.8MB. Free memory was 104.5MB in the beginning and 101.1MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.76ms. Allocated memory is still 167.8MB. Free memory was 101.1MB in the beginning and 98.3MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 717.21ms. Allocated memory is still 167.8MB. Free memory was 98.3MB in the beginning and 49.3MB in the end (delta: 48.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * TraceAbstraction took 321.98ms. Allocated memory is still 167.8MB. Free memory was 48.6MB in the beginning and 112.7MB in the end (delta: -64.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 103.02ms. Allocated memory is still 167.8MB. Free memory was 112.7MB in the beginning and 105.3MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 175]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int KernelMode ; [L24] int Executive ; [L25] int DevicePowerState ; [L26] int s ; [L27] int UNLOADED ; [L28] int NP ; [L29] int DC ; [L30] int SKIP1 ; [L31] int SKIP2 ; [L32] int MPR1 ; [L33] int MPR3 ; [L34] int IPC ; [L35] int pended ; [L36] int compFptr ; [L37] int compRegistered ; [L38] int lowerDriverReturn ; [L39] int setEventCalled ; [L40] int customIrp ; [L41] int myStatus ; VAL [DC=0, DevicePowerState=0, Executive=0, IPC=0, KernelMode=0, MPR1=0, MPR3=0, NP=0, SKIP1=0, SKIP2=0, UNLOADED=0, compFptr=0, compRegistered=0, customIrp=0, lowerDriverReturn=0, myStatus=0, pended=0, s=0, setEventCalled=0] [L296] int status ; [L297] int irp = __VERIFIER_nondet_int() ; [L298] int pirp ; [L299] int pirp__IoStatus__Status ; [L300] int irp_choice = __VERIFIER_nondet_int() ; [L301] int devobj = __VERIFIER_nondet_int() ; [L302] int __cil_tmp8 ; [L304] KernelMode = 0 [L305] Executive = 0 [L306] DevicePowerState = 1 [L307] s = 0 [L308] UNLOADED = 0 [L309] NP = 0 [L310] DC = 0 [L311] SKIP1 = 0 [L312] SKIP2 = 0 [L313] MPR1 = 0 [L314] MPR3 = 0 [L315] IPC = 0 [L316] pended = 0 [L317] compFptr = 0 [L318] compRegistered = 0 [L319] lowerDriverReturn = 0 [L320] setEventCalled = 0 [L321] customIrp = 0 [L322] myStatus = 0 [L326] status = 0 [L327] pirp = irp [L328] CALL _BLAST_init() [L61] UNLOADED = 0 [L62] NP = 1 [L63] DC = 2 [L64] SKIP1 = 3 [L65] SKIP2 = 4 [L66] MPR1 = 5 [L67] MPR3 = 6 [L68] IPC = 7 [L69] s = UNLOADED [L70] pended = 0 [L71] compFptr = 0 [L72] compRegistered = 0 [L73] lowerDriverReturn = 0 [L74] setEventCalled = 0 [L75] customIrp = 0 VAL [DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, MPR1=5, MPR3=6, NP=1, SKIP1=3, SKIP2=4, UNLOADED=0, compFptr=0, compRegistered=0, customIrp=0, lowerDriverReturn=0, myStatus=0, pended=0, s=0, setEventCalled=0] [L328] RET _BLAST_init() [L330] COND TRUE status >= 0 [L331] s = NP [L332] customIrp = 0 [L333] setEventCalled = customIrp [L334] lowerDriverReturn = setEventCalled [L335] compRegistered = lowerDriverReturn [L336] pended = compRegistered [L337] pirp__IoStatus__Status = 0 [L338] myStatus = 0 VAL [DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, MPR1=5, MPR3=6, NP=1, SKIP1=3, SKIP2=4, UNLOADED=0, compFptr=0, compRegistered=0, customIrp=0, devobj=-1, irp_choice=0, lowerDriverReturn=0, myStatus=0, pended=0, pirp=-2, s=1, setEventCalled=0, status=0] [L339] COND TRUE irp_choice == 0 [L340] pirp__IoStatus__Status = -1073741637 [L341] myStatus = -1073741637 VAL [DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, MPR1=5, MPR3=6, NP=1, SKIP1=3, SKIP2=4, UNLOADED=0, compFptr=0, compRegistered=0, customIrp=0, devobj=-1, lowerDriverReturn=0, myStatus=-1073741637, pended=0, pirp=-2, s=1, setEventCalled=0, status=0] [L344] CALL stub_driver_init() [L47] s = NP [L48] pended = 0 [L49] compFptr = 0 [L50] compRegistered = 0 [L51] lowerDriverReturn = 0 [L52] setEventCalled = 0 [L53] customIrp = 0 VAL [DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, MPR1=5, MPR3=6, NP=1, SKIP1=3, SKIP2=4, UNLOADED=0, compFptr=0, compRegistered=0, customIrp=0, lowerDriverReturn=0, myStatus=-1073741637, pended=0, s=1, setEventCalled=0] [L344] RET stub_driver_init() [L347] COND FALSE !(status < 0) [L351] int tmp_ndt_1; [L352] tmp_ndt_1 = __VERIFIER_nondet_int() [L353] COND FALSE !(tmp_ndt_1 == 0) [L356] int tmp_ndt_2; [L357] tmp_ndt_2 = __VERIFIER_nondet_int() [L358] COND FALSE !(tmp_ndt_2 == 1) [L361] int tmp_ndt_3; [L362] tmp_ndt_3 = __VERIFIER_nondet_int() [L363] COND TRUE tmp_ndt_3 == 3 VAL [DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, MPR1=5, MPR3=6, NP=1, SKIP1=3, SKIP2=4, UNLOADED=0, compFptr=0, compRegistered=0, customIrp=0, devobj=-1, lowerDriverReturn=0, myStatus=-1073741637, pended=0, pirp=-2, s=1, setEventCalled=0] [L390] CALL KbFilter_PnP(devobj, pirp) [L82] int devExt ; [L83] int irpStack ; [L84] int status ; [L85] int event = __VERIFIER_nondet_int() ; [L86] int DeviceObject__DeviceExtension = __VERIFIER_nondet_int() ; [L87] int Irp__Tail__Overlay__CurrentStackLocation = __VERIFIER_nondet_int() ; [L88] int irpStack__MinorFunction = __VERIFIER_nondet_int() ; [L89] int devExt__TopOfStack = __VERIFIER_nondet_int() ; [L90] int devExt__Started ; [L91] int devExt__Removed ; [L92] int devExt__SurpriseRemoved ; [L93] int Irp__IoStatus__Status ; [L94] int Irp__IoStatus__Information ; [L95] int Irp__CurrentLocation = __VERIFIER_nondet_int() ; [L96] int irpSp ; [L97] int nextIrpSp ; [L98] int nextIrpSp__Control ; [L99] int irpSp___0 ; [L100] int irpSp__Context ; [L101] int irpSp__Control ; [L102] long __cil_tmp23 ; [L105] status = 0 [L106] devExt = DeviceObject__DeviceExtension [L107] irpStack = Irp__Tail__Overlay__CurrentStackLocation VAL [DC=2, DevicePowerState=1, Executive=0, IPC=7, Irp=-2, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-2147483648, KernelMode=0, MPR1=5, MPR3=6, NP=1, SKIP1=3, SKIP2=4, UNLOADED=0, compFptr=0, compRegistered=0, customIrp=0, devExt__TopOfStack=0, event=0, irpStack__MinorFunction=0, lowerDriverReturn=0, myStatus=-1073741637, pended=0, s=1, setEventCalled=0] [L108] COND TRUE irpStack__MinorFunction == 0 VAL [DC=2, DevicePowerState=1, Executive=0, IPC=7, Irp=-2, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-2147483648, KernelMode=0, MPR1=5, MPR3=6, NP=1, SKIP1=3, SKIP2=4, UNLOADED=0, compFptr=0, compRegistered=0, customIrp=0, devExt__TopOfStack=0, event=0, lowerDriverReturn=0, myStatus=-1073741637, pended=0, s=1, setEventCalled=0] [L174] irpSp = Irp__Tail__Overlay__CurrentStackLocation VAL [DC=2, DevicePowerState=1, Executive=0, IPC=7, Irp=-2, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-2147483648, KernelMode=0, MPR1=5, MPR3=6, NP=1, SKIP1=3, SKIP2=4, UNLOADED=0, compFptr=0, compRegistered=0, customIrp=0, devExt__TopOfStack=0, event=0, lowerDriverReturn=0, myStatus=-1073741637, pended=0, s=1, setEventCalled=0] [L175] Irp__Tail__Overlay__CurrentStackLocation - 1 VAL [DC=2, DevicePowerState=1, Executive=0, IPC=7, Irp=-2, Irp__CurrentLocation=0, KernelMode=0, MPR1=5, MPR3=6, NP=1, SKIP1=3, SKIP2=4, UNLOADED=0, compFptr=0, compRegistered=0, customIrp=0, devExt__TopOfStack=0, event=0, lowerDriverReturn=0, myStatus=-1073741637, pended=0, s=1, setEventCalled=0] - UnprovableResult [Line: 739]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 739]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 738]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 738]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 263]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 263]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 262]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 262]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 248]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 248]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 247]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 247]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 232]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 232]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 231]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 231]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 191]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 191]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 175]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 683]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 683]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 258 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=258occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2025-03-04 10:26:50,175 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)