./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_42_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e2fb8bed 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/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_42_bad.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-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 64bit --witnessprinter.graph.data.programhash c59176cd00520a5a4aca656e3f81e02c964e0650c21d035534f9139b7ed3a3bf --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 03:48:10,482 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 03:48:10,536 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-03-09 03:48:10,543 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 03:48:10,543 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 03:48:10,557 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 03:48:10,559 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 03:48:10,559 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 03:48:10,560 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 03:48:10,560 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 03:48:10,560 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 03:48:10,560 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 03:48:10,560 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 03:48:10,561 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 03:48:10,561 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 03:48:10,561 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 03:48:10,561 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 03:48:10,561 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 03:48:10,561 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 03:48:10,561 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 03:48:10,561 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 03:48:10,561 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 03:48:10,561 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 03:48:10,561 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 03:48:10,561 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 03:48:10,562 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 03:48:10,562 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 03:48:10,562 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 03:48:10,562 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 03:48:10,562 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 03:48:10,562 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 03:48:10,562 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 03:48:10,562 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 03:48:10,562 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 03:48:10,562 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 03:48:10,562 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 03:48:10,562 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 03:48:10,562 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 03:48:10,562 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 03:48:10,562 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 03:48:10,562 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 03:48:10,562 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 03:48:10,562 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c59176cd00520a5a4aca656e3f81e02c964e0650c21d035534f9139b7ed3a3bf [2025-03-09 03:48:10,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 03:48:10,809 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 03:48:10,811 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 03:48:10,812 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 03:48:10,812 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 03:48:10,813 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_42_bad.i [2025-03-09 03:48:11,937 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9128f639/4a7590e730034bf4b4d244b435f0abc3/FLAG63208f47d [2025-03-09 03:48:12,248 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 03:48:12,249 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_42_bad.i [2025-03-09 03:48:12,268 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9128f639/4a7590e730034bf4b4d244b435f0abc3/FLAG63208f47d [2025-03-09 03:48:12,490 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9128f639/4a7590e730034bf4b4d244b435f0abc3 [2025-03-09 03:48:12,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 03:48:12,493 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 03:48:12,494 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 03:48:12,494 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 03:48:12,497 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 03:48:12,497 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 03:48:12" (1/1) ... [2025-03-09 03:48:12,498 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d7a314a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:48:12, skipping insertion in model container [2025-03-09 03:48:12,498 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 03:48:12" (1/1) ... [2025-03-09 03:48:12,540 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 03:48:13,063 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 03:48:13,070 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 03:48:13,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 03:48:13,199 INFO L204 MainTranslator]: Completed translation [2025-03-09 03:48:13,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:48:13 WrapperNode [2025-03-09 03:48:13,199 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 03:48:13,200 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 03:48:13,200 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 03:48:13,200 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 03:48:13,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:48:13" (1/1) ... [2025-03-09 03:48:13,221 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:48:13" (1/1) ... [2025-03-09 03:48:13,235 INFO L138 Inliner]: procedures = 499, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 66 [2025-03-09 03:48:13,235 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 03:48:13,237 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 03:48:13,237 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 03:48:13,237 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 03:48:13,243 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:48:13" (1/1) ... [2025-03-09 03:48:13,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:48:13" (1/1) ... [2025-03-09 03:48:13,244 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:48:13" (1/1) ... [2025-03-09 03:48:13,253 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0]. [2025-03-09 03:48:13,253 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:48:13" (1/1) ... [2025-03-09 03:48:13,253 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:48:13" (1/1) ... [2025-03-09 03:48:13,256 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:48:13" (1/1) ... [2025-03-09 03:48:13,257 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:48:13" (1/1) ... [2025-03-09 03:48:13,258 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:48:13" (1/1) ... [2025-03-09 03:48:13,258 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:48:13" (1/1) ... [2025-03-09 03:48:13,260 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 03:48:13,260 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 03:48:13,261 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 03:48:13,261 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 03:48:13,262 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:48:13" (1/1) ... [2025-03-09 03:48:13,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 03:48:13,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 03:48:13,292 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) [2025-03-09 03:48:13,296 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 [2025-03-09 03:48:13,313 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2025-03-09 03:48:13,313 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2025-03-09 03:48:13,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 03:48:13,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 03:48:13,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 03:48:13,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 03:48:13,455 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 03:48:13,457 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 03:48:13,573 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2025-03-09 03:48:13,573 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 03:48:13,581 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 03:48:13,582 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 03:48:13,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 03:48:13 BoogieIcfgContainer [2025-03-09 03:48:13,582 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 03:48:13,584 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 03:48:13,585 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 03:48:13,589 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 03:48:13,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 03:48:12" (1/3) ... [2025-03-09 03:48:13,590 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@325815e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 03:48:13, skipping insertion in model container [2025-03-09 03:48:13,590 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:48:13" (2/3) ... [2025-03-09 03:48:13,590 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@325815e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 03:48:13, skipping insertion in model container [2025-03-09 03:48:13,590 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 03:48:13" (3/3) ... [2025-03-09 03:48:13,591 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_42_bad.i [2025-03-09 03:48:13,602 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 03:48:13,603 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_multiply_42_bad.i that has 2 procedures, 24 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2025-03-09 03:48:13,650 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 03:48:13,660 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;@2ce72db0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 03:48:13,660 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-03-09 03:48:13,663 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 20 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-09 03:48:13,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-03-09 03:48:13,667 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 03:48:13,667 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 03:48:13,668 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-03-09 03:48:13,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 03:48:13,672 INFO L85 PathProgramCache]: Analyzing trace with hash -794874828, now seen corresponding path program 1 times [2025-03-09 03:48:13,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 03:48:13,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652512977] [2025-03-09 03:48:13,678 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 03:48:13,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 03:48:13,763 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-09 03:48:13,784 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-09 03:48:13,785 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 03:48:13,785 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 03:48:13,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 03:48:13,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 03:48:13,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652512977] [2025-03-09 03:48:13,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652512977] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 03:48:13,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 03:48:13,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 03:48:13,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764196715] [2025-03-09 03:48:13,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 03:48:13,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 03:48:13,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 03:48:13,909 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 03:48:13,910 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 03:48:13,911 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 20 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-09 03:48:13,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 03:48:13,942 INFO L93 Difference]: Finished difference Result 24 states and 28 transitions. [2025-03-09 03:48:13,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 03:48:13,944 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2025-03-09 03:48:13,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 03:48:13,948 INFO L225 Difference]: With dead ends: 24 [2025-03-09 03:48:13,948 INFO L226 Difference]: Without dead ends: 16 [2025-03-09 03:48:13,950 INFO L434 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 [2025-03-09 03:48:13,953 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 1 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 03:48:13,954 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 44 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 03:48:13,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2025-03-09 03:48:13,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2025-03-09 03:48:13,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 03:48:13,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2025-03-09 03:48:13,979 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 13 [2025-03-09 03:48:13,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 03:48:13,980 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2025-03-09 03:48:13,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-09 03:48:13,980 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2025-03-09 03:48:13,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-03-09 03:48:13,981 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 03:48:13,981 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 03:48:13,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-09 03:48:13,981 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-03-09 03:48:13,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 03:48:13,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1128684088, now seen corresponding path program 1 times [2025-03-09 03:48:13,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 03:48:13,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502159996] [2025-03-09 03:48:13,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 03:48:13,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 03:48:14,004 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-09 03:48:14,019 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 03:48:14,020 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 03:48:14,020 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 03:48:14,021 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 03:48:14,026 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-09 03:48:14,037 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 03:48:14,040 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 03:48:14,040 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 03:48:14,060 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 03:48:14,060 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-09 03:48:14,061 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2025-03-09 03:48:14,062 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2025-03-09 03:48:14,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-09 03:48:14,064 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-09 03:48:14,079 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-09 03:48:14,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.03 03:48:14 BoogieIcfgContainer [2025-03-09 03:48:14,082 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-09 03:48:14,083 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-09 03:48:14,083 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-09 03:48:14,083 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-09 03:48:14,084 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 03:48:13" (3/4) ... [2025-03-09 03:48:14,086 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-09 03:48:14,086 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-09 03:48:14,087 INFO L158 Benchmark]: Toolchain (without parser) took 1594.20ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 66.4MB in the end (delta: 41.2MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2025-03-09 03:48:14,087 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 129.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 03:48:14,088 INFO L158 Benchmark]: CACSL2BoogieTranslator took 705.73ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 47.8MB in the end (delta: 59.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-03-09 03:48:14,088 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.66ms. Allocated memory is still 142.6MB. Free memory was 47.8MB in the beginning and 45.6MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 03:48:14,088 INFO L158 Benchmark]: Boogie Preprocessor took 23.36ms. Allocated memory is still 142.6MB. Free memory was 45.6MB in the beginning and 43.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 03:48:14,088 INFO L158 Benchmark]: IcfgBuilder took 322.08ms. Allocated memory is still 142.6MB. Free memory was 43.8MB in the beginning and 99.3MB in the end (delta: -55.5MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2025-03-09 03:48:14,089 INFO L158 Benchmark]: TraceAbstraction took 497.92ms. Allocated memory is still 142.6MB. Free memory was 98.5MB in the beginning and 66.4MB in the end (delta: 32.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-03-09 03:48:14,089 INFO L158 Benchmark]: Witness Printer took 3.89ms. Allocated memory is still 142.6MB. Free memory is still 66.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 03:48:14,090 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 129.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 705.73ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 47.8MB in the end (delta: 59.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.66ms. Allocated memory is still 142.6MB. Free memory was 47.8MB in the beginning and 45.6MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.36ms. Allocated memory is still 142.6MB. Free memory was 45.6MB in the beginning and 43.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 322.08ms. Allocated memory is still 142.6MB. Free memory was 43.8MB in the beginning and 99.3MB in the end (delta: -55.5MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * TraceAbstraction took 497.92ms. Allocated memory is still 142.6MB. Free memory was 98.5MB in the beginning and 66.4MB in the end (delta: 32.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 3.89ms. Allocated memory is still 142.6MB. Free memory is still 66.4MB. 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 - UnprovableResult [Line: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1554, overapproximation of fgets at line 1552. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1577] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1577] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1578] CALL CWE190_Integer_Overflow__int_fgets_multiply_42_bad() [L1565] int data; [L1566] data = 0 [L1567] CALL, EXPR badSource(data) [L1551] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1554] data = atoi(inputBuffer) [L1561] return data; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] RET, EXPR badSource(data) [L1567] data = badSource(data) [L1568] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1570]: 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 2 procedures, 24 locations, 31 edges, 2 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, 44 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 24 mSDtfsCounter, 8 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=24occurred 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, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-03-09 03:48:14,106 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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_42_bad.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.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 64bit --witnessprinter.graph.data.programhash c59176cd00520a5a4aca656e3f81e02c964e0650c21d035534f9139b7ed3a3bf --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 03:48:15,996 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 03:48:16,085 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2025-03-09 03:48:16,090 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 03:48:16,093 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 03:48:16,093 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2025-03-09 03:48:16,114 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 03:48:16,114 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 03:48:16,115 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 03:48:16,115 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 03:48:16,115 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 03:48:16,115 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 03:48:16,115 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 03:48:16,115 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 03:48:16,115 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 03:48:16,115 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 03:48:16,116 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 03:48:16,116 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 03:48:16,116 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 03:48:16,116 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 03:48:16,116 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 03:48:16,116 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 03:48:16,116 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-09 03:48:16,116 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-09 03:48:16,116 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 03:48:16,116 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-09 03:48:16,116 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 03:48:16,116 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 03:48:16,116 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 03:48:16,117 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 03:48:16,117 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 03:48:16,117 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 03:48:16,117 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 03:48:16,117 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 03:48:16,117 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 03:48:16,117 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 03:48:16,117 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 03:48:16,117 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 03:48:16,117 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 03:48:16,117 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-09 03:48:16,117 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-09 03:48:16,117 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 03:48:16,117 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 03:48:16,118 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 03:48:16,118 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 03:48:16,118 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c59176cd00520a5a4aca656e3f81e02c964e0650c21d035534f9139b7ed3a3bf [2025-03-09 03:48:16,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 03:48:16,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 03:48:16,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 03:48:16,493 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 03:48:16,493 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 03:48:16,494 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_42_bad.i [2025-03-09 03:48:17,673 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8450a7ce3/e4a15ff2c8cc47a68d332dd20fe36c80/FLAGeb5c46dd4 [2025-03-09 03:48:18,002 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 03:48:18,003 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_42_bad.i [2025-03-09 03:48:18,028 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8450a7ce3/e4a15ff2c8cc47a68d332dd20fe36c80/FLAGeb5c46dd4 [2025-03-09 03:48:18,044 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8450a7ce3/e4a15ff2c8cc47a68d332dd20fe36c80 [2025-03-09 03:48:18,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 03:48:18,048 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 03:48:18,050 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 03:48:18,050 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 03:48:18,053 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 03:48:18,054 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 03:48:18" (1/1) ... [2025-03-09 03:48:18,055 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e9b1fd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:48:18, skipping insertion in model container [2025-03-09 03:48:18,055 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 03:48:18" (1/1) ... [2025-03-09 03:48:18,089 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 03:48:18,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 03:48:18,572 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 03:48:18,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 03:48:18,802 INFO L204 MainTranslator]: Completed translation [2025-03-09 03:48:18,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:48:18 WrapperNode [2025-03-09 03:48:18,803 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 03:48:18,804 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 03:48:18,804 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 03:48:18,804 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 03:48:18,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:48:18" (1/1) ... [2025-03-09 03:48:18,834 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:48:18" (1/1) ... [2025-03-09 03:48:18,853 INFO L138 Inliner]: procedures = 504, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 64 [2025-03-09 03:48:18,854 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 03:48:18,855 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 03:48:18,855 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 03:48:18,855 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 03:48:18,861 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:48:18" (1/1) ... [2025-03-09 03:48:18,862 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:48:18" (1/1) ... [2025-03-09 03:48:18,866 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:48:18" (1/1) ... [2025-03-09 03:48:18,886 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0]. [2025-03-09 03:48:18,887 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:48:18" (1/1) ... [2025-03-09 03:48:18,888 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:48:18" (1/1) ... [2025-03-09 03:48:18,895 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:48:18" (1/1) ... [2025-03-09 03:48:18,896 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:48:18" (1/1) ... [2025-03-09 03:48:18,897 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:48:18" (1/1) ... [2025-03-09 03:48:18,898 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:48:18" (1/1) ... [2025-03-09 03:48:18,900 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 03:48:18,902 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 03:48:18,902 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 03:48:18,902 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 03:48:18,903 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:48:18" (1/1) ... [2025-03-09 03:48:18,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 03:48:18,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 03:48:18,929 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) [2025-03-09 03:48:18,932 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 [2025-03-09 03:48:18,952 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2025-03-09 03:48:18,952 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2025-03-09 03:48:18,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-09 03:48:18,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 03:48:18,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 03:48:18,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 03:48:19,050 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 03:48:19,051 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 03:48:19,166 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2025-03-09 03:48:19,166 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 03:48:19,173 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 03:48:19,174 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 03:48:19,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 03:48:19 BoogieIcfgContainer [2025-03-09 03:48:19,175 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 03:48:19,176 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 03:48:19,176 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 03:48:19,181 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 03:48:19,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 03:48:18" (1/3) ... [2025-03-09 03:48:19,181 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e2bb560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 03:48:19, skipping insertion in model container [2025-03-09 03:48:19,182 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 03:48:18" (2/3) ... [2025-03-09 03:48:19,182 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e2bb560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 03:48:19, skipping insertion in model container [2025-03-09 03:48:19,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 03:48:19" (3/3) ... [2025-03-09 03:48:19,183 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_42_bad.i [2025-03-09 03:48:19,193 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 03:48:19,195 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_multiply_42_bad.i that has 2 procedures, 24 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2025-03-09 03:48:19,249 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 03:48:19,259 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;@70986538, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 03:48:19,260 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-03-09 03:48:19,263 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 20 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-09 03:48:19,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-03-09 03:48:19,268 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 03:48:19,268 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 03:48:19,268 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-03-09 03:48:19,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 03:48:19,273 INFO L85 PathProgramCache]: Analyzing trace with hash -794874828, now seen corresponding path program 1 times [2025-03-09 03:48:19,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-09 03:48:19,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1798004056] [2025-03-09 03:48:19,284 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 03:48:19,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 03:48:19,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 03:48:19,286 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 03:48:19,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-09 03:48:19,380 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-09 03:48:19,395 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-09 03:48:19,395 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 03:48:19,395 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 03:48:19,397 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-09 03:48:19,400 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 03:48:19,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 03:48:19,429 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-09 03:48:19,429 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-09 03:48:19,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1798004056] [2025-03-09 03:48:19,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1798004056] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 03:48:19,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 03:48:19,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 03:48:19,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703416841] [2025-03-09 03:48:19,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 03:48:19,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 03:48:19,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-09 03:48:19,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 03:48:19,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 03:48:19,450 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 20 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-09 03:48:19,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 03:48:19,480 INFO L93 Difference]: Finished difference Result 24 states and 28 transitions. [2025-03-09 03:48:19,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 03:48:19,481 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2025-03-09 03:48:19,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 03:48:19,485 INFO L225 Difference]: With dead ends: 24 [2025-03-09 03:48:19,486 INFO L226 Difference]: Without dead ends: 16 [2025-03-09 03:48:19,488 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 03:48:19,490 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 1 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 03:48:19,490 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 44 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 03:48:19,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2025-03-09 03:48:19,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2025-03-09 03:48:19,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 03:48:19,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2025-03-09 03:48:19,518 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 13 [2025-03-09 03:48:19,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 03:48:19,519 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2025-03-09 03:48:19,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-09 03:48:19,519 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2025-03-09 03:48:19,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-03-09 03:48:19,519 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 03:48:19,520 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 03:48:19,527 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-09 03:48:19,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 03:48:19,721 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-03-09 03:48:19,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 03:48:19,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1128684088, now seen corresponding path program 1 times [2025-03-09 03:48:19,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-09 03:48:19,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [495564465] [2025-03-09 03:48:19,722 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 03:48:19,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 03:48:19,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 03:48:19,724 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-09 03:48:19,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-09 03:48:19,786 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-09 03:48:19,799 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 03:48:19,800 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 03:48:19,800 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 03:48:19,800 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 03:48:19,813 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-09 03:48:19,819 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 03:48:19,819 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 03:48:19,819 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 03:48:19,846 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2025-03-09 03:48:19,848 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-09 03:48:19,850 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2025-03-09 03:48:19,851 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2025-03-09 03:48:19,858 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-09 03:48:20,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 03:48:20,054 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-09 03:48:20,069 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-09 03:48:20,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.03 03:48:20 BoogieIcfgContainer [2025-03-09 03:48:20,072 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-09 03:48:20,073 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-09 03:48:20,073 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-09 03:48:20,073 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-09 03:48:20,074 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 03:48:19" (3/4) ... [2025-03-09 03:48:20,076 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-09 03:48:20,076 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-09 03:48:20,077 INFO L158 Benchmark]: Toolchain (without parser) took 2029.30ms. Allocated memory is still 83.9MB. Free memory was 56.1MB in the beginning and 48.1MB in the end (delta: 8.0MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2025-03-09 03:48:20,077 INFO L158 Benchmark]: CDTParser took 0.74ms. Allocated memory is still 83.9MB. Free memory is still 62.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 03:48:20,077 INFO L158 Benchmark]: CACSL2BoogieTranslator took 753.20ms. Allocated memory is still 83.9MB. Free memory was 56.1MB in the beginning and 49.4MB in the end (delta: 6.7MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2025-03-09 03:48:20,077 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.66ms. Allocated memory is still 83.9MB. Free memory was 49.4MB in the beginning and 46.6MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 03:48:20,078 INFO L158 Benchmark]: Boogie Preprocessor took 45.08ms. Allocated memory is still 83.9MB. Free memory was 46.6MB in the beginning and 44.3MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 03:48:20,079 INFO L158 Benchmark]: IcfgBuilder took 273.14ms. Allocated memory is still 83.9MB. Free memory was 44.3MB in the beginning and 31.0MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 03:48:20,079 INFO L158 Benchmark]: TraceAbstraction took 895.43ms. Allocated memory is still 83.9MB. Free memory was 30.7MB in the beginning and 48.6MB in the end (delta: -17.9MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2025-03-09 03:48:20,079 INFO L158 Benchmark]: Witness Printer took 3.63ms. Allocated memory is still 83.9MB. Free memory was 48.1MB in the beginning and 48.1MB in the end (delta: 4.2kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 03:48:20,081 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74ms. Allocated memory is still 83.9MB. Free memory is still 62.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 753.20ms. Allocated memory is still 83.9MB. Free memory was 56.1MB in the beginning and 49.4MB in the end (delta: 6.7MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.66ms. Allocated memory is still 83.9MB. Free memory was 49.4MB in the beginning and 46.6MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.08ms. Allocated memory is still 83.9MB. Free memory was 46.6MB in the beginning and 44.3MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 273.14ms. Allocated memory is still 83.9MB. Free memory was 44.3MB in the beginning and 31.0MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 895.43ms. Allocated memory is still 83.9MB. Free memory was 30.7MB in the beginning and 48.6MB in the end (delta: -17.9MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * Witness Printer took 3.63ms. Allocated memory is still 83.9MB. Free memory was 48.1MB in the beginning and 48.1MB in the end (delta: 4.2kB). 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 - UnprovableResult [Line: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1554, overapproximation of fgets at line 1552. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1577] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1577] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1578] CALL CWE190_Integer_Overflow__int_fgets_multiply_42_bad() [L1565] int data; [L1566] data = 0 [L1567] CALL, EXPR badSource(data) [L1551] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1554] data = atoi(inputBuffer) [L1561] return data; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] RET, EXPR badSource(data) [L1567] data = badSource(data) [L1568] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1570]: 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 2 procedures, 24 locations, 31 edges, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, 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, 44 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 24 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred 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, 0.0s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 60 ConjunctsInSsa, 2 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-03-09 03:48:20,097 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 Result: UNKNOWN: Overapproximated counterexample