./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark46_disjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/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_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark46_disjunctive.i -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 fb2f4f20863a381cdec96ad45a74fde02244f1607bf4592a66f6e869a66987a5 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 20:27:59,571 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 20:27:59,646 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-14 20:27:59,650 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 20:27:59,651 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 20:27:59,677 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 20:27:59,677 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 20:27:59,678 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 20:27:59,678 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 20:27:59,679 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 20:27:59,679 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 20:27:59,679 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 20:27:59,680 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 20:27:59,680 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 20:27:59,680 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 20:27:59,681 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 20:27:59,681 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 20:27:59,682 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 20:27:59,682 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 20:27:59,682 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 20:27:59,683 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 20:27:59,686 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 20:27:59,687 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 20:27:59,687 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 20:27:59,687 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 20:27:59,687 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 20:27:59,687 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 20:27:59,688 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 20:27:59,688 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 20:27:59,688 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 20:27:59,688 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 20:27:59,688 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 20:27:59,689 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 20:27:59,689 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 20:27:59,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 20:27:59,689 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 20:27:59,689 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 20:27:59,690 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 20:27:59,690 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 20:27:59,690 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 20:27:59,692 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 20:27:59,693 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 20:27:59,693 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 20:27:59,693 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 20:27:59,694 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb2f4f20863a381cdec96ad45a74fde02244f1607bf4592a66f6e869a66987a5 [2024-10-14 20:27:59,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 20:27:59,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 20:27:59,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 20:27:59,990 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 20:27:59,991 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 20:27:59,992 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark46_disjunctive.i [2024-10-14 20:28:01,361 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 20:28:01,552 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 20:28:01,553 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark46_disjunctive.i [2024-10-14 20:28:01,560 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b7734753/75d41e3678b247f697a45fabc2c582f0/FLAG644f18338 [2024-10-14 20:28:01,955 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b7734753/75d41e3678b247f697a45fabc2c582f0 [2024-10-14 20:28:01,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 20:28:01,958 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 20:28:01,960 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 20:28:01,960 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 20:28:01,965 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 20:28:01,965 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:28:01" (1/1) ... [2024-10-14 20:28:01,966 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13b00697 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:28:01, skipping insertion in model container [2024-10-14 20:28:01,966 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:28:01" (1/1) ... [2024-10-14 20:28:01,982 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 20:28:02,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 20:28:02,144 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 20:28:02,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 20:28:02,181 INFO L204 MainTranslator]: Completed translation [2024-10-14 20:28:02,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:28:02 WrapperNode [2024-10-14 20:28:02,182 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 20:28:02,183 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 20:28:02,183 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 20:28:02,183 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 20:28:02,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:28:02" (1/1) ... [2024-10-14 20:28:02,198 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:28:02" (1/1) ... [2024-10-14 20:28:02,216 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2024-10-14 20:28:02,216 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 20:28:02,217 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 20:28:02,218 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 20:28:02,218 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 20:28:02,227 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:28:02" (1/1) ... [2024-10-14 20:28:02,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:28:02" (1/1) ... [2024-10-14 20:28:02,229 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:28:02" (1/1) ... [2024-10-14 20:28:02,244 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]. [2024-10-14 20:28:02,244 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:28:02" (1/1) ... [2024-10-14 20:28:02,245 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:28:02" (1/1) ... [2024-10-14 20:28:02,247 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:28:02" (1/1) ... [2024-10-14 20:28:02,251 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:28:02" (1/1) ... [2024-10-14 20:28:02,254 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:28:02" (1/1) ... [2024-10-14 20:28:02,255 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:28:02" (1/1) ... [2024-10-14 20:28:02,256 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 20:28:02,257 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 20:28:02,258 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 20:28:02,258 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 20:28:02,259 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:28:02" (1/1) ... [2024-10-14 20:28:02,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 20:28:02,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:28:02,295 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) [2024-10-14 20:28:02,302 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 [2024-10-14 20:28:02,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 20:28:02,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 20:28:02,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 20:28:02,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 20:28:02,396 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 20:28:02,398 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 20:28:02,523 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-10-14 20:28:02,524 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 20:28:02,565 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 20:28:02,566 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 20:28:02,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:28:02 BoogieIcfgContainer [2024-10-14 20:28:02,566 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 20:28:02,570 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 20:28:02,570 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 20:28:02,574 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 20:28:02,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:28:01" (1/3) ... [2024-10-14 20:28:02,575 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78674fb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:28:02, skipping insertion in model container [2024-10-14 20:28:02,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:28:02" (2/3) ... [2024-10-14 20:28:02,576 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78674fb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:28:02, skipping insertion in model container [2024-10-14 20:28:02,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:28:02" (3/3) ... [2024-10-14 20:28:02,579 INFO L112 eAbstractionObserver]: Analyzing ICFG benchmark46_disjunctive.i [2024-10-14 20:28:02,595 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 20:28:02,596 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-14 20:28:02,667 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 20:28:02,673 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;@2e645ad4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 20:28:02,674 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-10-14 20:28:02,677 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 18 states have (on average 1.7222222222222223) internal successors, (31), 24 states have internal predecessors, (31), 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) [2024-10-14 20:28:02,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-14 20:28:02,688 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:28:02,692 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-14 20:28:02,693 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:28:02,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:28:02,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1596987985, now seen corresponding path program 1 times [2024-10-14 20:28:02,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:28:02,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700162089] [2024-10-14 20:28:02,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:28:02,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:28:02,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:28:02,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:28:02,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:28:02,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700162089] [2024-10-14 20:28:02,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700162089] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:28:02,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:28:02,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:28:02,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875806829] [2024-10-14 20:28:02,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:28:02,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:28:02,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:28:02,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:28:02,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:28:02,948 INFO L87 Difference]: Start difference. First operand has 25 states, 18 states have (on average 1.7222222222222223) internal successors, (31), 24 states have internal predecessors, (31), 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) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2024-10-14 20:28:02,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:28:02,985 INFO L93 Difference]: Finished difference Result 31 states and 38 transitions. [2024-10-14 20:28:02,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:28:02,989 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) Word has length 6 [2024-10-14 20:28:02,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:28:02,998 INFO L225 Difference]: With dead ends: 31 [2024-10-14 20:28:02,998 INFO L226 Difference]: Without dead ends: 17 [2024-10-14 20:28:03,000 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:28:03,003 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 1 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:28:03,004 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 41 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:28:03,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2024-10-14 20:28:03,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2024-10-14 20:28:03,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 16 states have internal predecessors, (19), 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) [2024-10-14 20:28:03,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2024-10-14 20:28:03,029 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 6 [2024-10-14 20:28:03,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:28:03,030 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2024-10-14 20:28:03,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2024-10-14 20:28:03,030 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2024-10-14 20:28:03,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-14 20:28:03,031 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:28:03,031 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:28:03,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 20:28:03,032 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 20:28:03,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:28:03,033 INFO L85 PathProgramCache]: Analyzing trace with hash 2032980071, now seen corresponding path program 1 times [2024-10-14 20:28:03,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:28:03,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8626192] [2024-10-14 20:28:03,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:28:03,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:28:03,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 20:28:03,051 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-14 20:28:03,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 20:28:03,073 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-14 20:28:03,074 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-14 20:28:03,075 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2024-10-14 20:28:03,076 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2024-10-14 20:28:03,077 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2024-10-14 20:28:03,077 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2024-10-14 20:28:03,077 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2024-10-14 20:28:03,077 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2024-10-14 20:28:03,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 20:28:03,081 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-14 20:28:03,096 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 20:28:03,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 08:28:03 BoogieIcfgContainer [2024-10-14 20:28:03,099 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 20:28:03,100 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 20:28:03,100 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 20:28:03,100 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 20:28:03,100 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:28:02" (3/4) ... [2024-10-14 20:28:03,101 INFO L133 WitnessPrinter]: Generating witness for reachability counterexample [2024-10-14 20:28:03,137 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 20:28:03,139 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 20:28:03,141 INFO L158 Benchmark]: Toolchain (without parser) took 1181.45ms. Allocated memory is still 163.6MB. Free memory was 132.5MB in the beginning and 108.3MB in the end (delta: 24.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-14 20:28:03,141 INFO L158 Benchmark]: CDTParser took 0.78ms. Allocated memory is still 109.1MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 20:28:03,142 INFO L158 Benchmark]: CACSL2BoogieTranslator took 222.31ms. Allocated memory is still 163.6MB. Free memory was 132.5MB in the beginning and 121.3MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-14 20:28:03,142 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.41ms. Allocated memory is still 163.6MB. Free memory was 121.3MB in the beginning and 119.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 20:28:03,143 INFO L158 Benchmark]: Boogie Preprocessor took 39.22ms. Allocated memory is still 163.6MB. Free memory was 119.9MB in the beginning and 117.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 20:28:03,146 INFO L158 Benchmark]: RCFGBuilder took 309.09ms. Allocated memory is still 163.6MB. Free memory was 117.9MB in the beginning and 136.8MB in the end (delta: -18.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-14 20:28:03,147 INFO L158 Benchmark]: TraceAbstraction took 529.12ms. Allocated memory is still 163.6MB. Free memory was 135.6MB in the beginning and 109.6MB in the end (delta: 26.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-10-14 20:28:03,147 INFO L158 Benchmark]: Witness Printer took 39.70ms. Allocated memory is still 163.6MB. Free memory was 109.6MB in the beginning and 108.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 20:28:03,149 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78ms. Allocated memory is still 109.1MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 222.31ms. Allocated memory is still 163.6MB. Free memory was 132.5MB in the beginning and 121.3MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.41ms. Allocated memory is still 163.6MB. Free memory was 121.3MB in the beginning and 119.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.22ms. Allocated memory is still 163.6MB. Free memory was 119.9MB in the beginning and 117.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 309.09ms. Allocated memory is still 163.6MB. Free memory was 117.9MB in the beginning and 136.8MB in the end (delta: -18.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 529.12ms. Allocated memory is still 163.6MB. Free memory was 135.6MB in the beginning and 109.6MB in the end (delta: 26.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 39.70ms. Allocated memory is still 163.6MB. Free memory was 109.6MB in the beginning and 108.3MB in the end (delta: 1.3MB). There was no memory consumed. 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: 26]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int x = __VERIFIER_nondet_int(); [L21] int y = __VERIFIER_nondet_int(); [L22] int z = __VERIFIER_nondet_int(); [L23] COND FALSE !(!(y>0 || x>0 || z>0)) VAL [x=2147483647, y=1, z=1] [L24] COND TRUE __VERIFIER_nondet_bool() [L25] COND TRUE x>0 [L26] x++ VAL [y=1, z=1] - UnprovableResult [Line: 26]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 31]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 31]: 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 1 procedures, 25 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 41 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 21 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 RESULT: Ultimate proved your program to be incorrect! [2024-10-14 20:28:03,176 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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)