./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_44_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_44_bad.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 4b84ec9c4240a9e8f048ce34ef067d99f85bbb79ddb0d0e3fb400f546d1c393e --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 15:43:47,603 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 15:43:47,664 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-02-06 15:43:47,670 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 15:43:47,670 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 15:43:47,684 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 15:43:47,685 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 15:43:47,685 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 15:43:47,686 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 15:43:47,686 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 15:43:47,687 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 15:43:47,687 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 15:43:47,687 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 15:43:47,687 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 15:43:47,687 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 15:43:47,687 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 15:43:47,688 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 15:43:47,688 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 15:43:47,688 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 15:43:47,688 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 15:43:47,688 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 15:43:47,688 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 15:43:47,688 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 15:43:47,688 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 15:43:47,688 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 15:43:47,688 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 15:43:47,688 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 15:43:47,688 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 15:43:47,689 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 15:43:47,689 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 15:43:47,689 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 15:43:47,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 15:43:47,689 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 15:43:47,689 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 15:43:47,689 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 15:43:47,690 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 15:43:47,690 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 15:43:47,690 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 15:43:47,690 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 15:43:47,690 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 15:43:47,690 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 15:43:47,690 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 15:43:47,690 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-jdk21/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 -> 4b84ec9c4240a9e8f048ce34ef067d99f85bbb79ddb0d0e3fb400f546d1c393e [2025-02-06 15:43:47,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 15:43:47,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 15:43:47,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 15:43:47,927 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 15:43:47,928 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 15:43:47,929 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_44_bad.i [2025-02-06 15:43:49,071 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e26df850d/4dd8f272b89c48b199e523d58ace04ed/FLAGc00746c8c [2025-02-06 15:43:49,373 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 15:43:49,373 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_44_bad.i [2025-02-06 15:43:49,394 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e26df850d/4dd8f272b89c48b199e523d58ace04ed/FLAGc00746c8c [2025-02-06 15:43:49,405 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e26df850d/4dd8f272b89c48b199e523d58ace04ed [2025-02-06 15:43:49,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 15:43:49,408 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 15:43:49,408 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 15:43:49,408 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 15:43:49,411 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 15:43:49,412 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 03:43:49" (1/1) ... [2025-02-06 15:43:49,413 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62526bc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:49, skipping insertion in model container [2025-02-06 15:43:49,414 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 03:43:49" (1/1) ... [2025-02-06 15:43:49,450 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 15:43:49,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 15:43:49,913 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 15:43:49,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 15:43:50,057 INFO L204 MainTranslator]: Completed translation [2025-02-06 15:43:50,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:50 WrapperNode [2025-02-06 15:43:50,057 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 15:43:50,058 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 15:43:50,058 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 15:43:50,058 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 15:43:50,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:50" (1/1) ... [2025-02-06 15:43:50,079 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:50" (1/1) ... [2025-02-06 15:43:50,097 INFO L138 Inliner]: procedures = 500, calls = 29, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 65 [2025-02-06 15:43:50,098 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 15:43:50,098 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 15:43:50,098 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 15:43:50,098 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 15:43:50,104 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:50" (1/1) ... [2025-02-06 15:43:50,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:50" (1/1) ... [2025-02-06 15:43:50,106 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:50" (1/1) ... [2025-02-06 15:43:50,118 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]. [2025-02-06 15:43:50,118 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:50" (1/1) ... [2025-02-06 15:43:50,118 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:50" (1/1) ... [2025-02-06 15:43:50,121 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:50" (1/1) ... [2025-02-06 15:43:50,122 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:50" (1/1) ... [2025-02-06 15:43:50,123 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:50" (1/1) ... [2025-02-06 15:43:50,124 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:50" (1/1) ... [2025-02-06 15:43:50,125 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 15:43:50,126 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 15:43:50,126 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 15:43:50,126 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 15:43:50,127 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:50" (1/1) ... [2025-02-06 15:43:50,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 15:43:50,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 15:43:50,152 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 15:43:50,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 15:43:50,171 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2025-02-06 15:43:50,172 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2025-02-06 15:43:50,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 15:43:50,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 15:43:50,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 15:43:50,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 15:43:50,281 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 15:43:50,282 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 15:43:50,368 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2025-02-06 15:43:50,369 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 15:43:50,374 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 15:43:50,375 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 15:43:50,376 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 03:43:50 BoogieIcfgContainer [2025-02-06 15:43:50,376 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 15:43:50,379 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 15:43:50,379 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 15:43:50,382 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 15:43:50,382 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 03:43:49" (1/3) ... [2025-02-06 15:43:50,383 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39bffe16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 03:43:50, skipping insertion in model container [2025-02-06 15:43:50,383 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:50" (2/3) ... [2025-02-06 15:43:50,384 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39bffe16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 03:43:50, skipping insertion in model container [2025-02-06 15:43:50,384 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 03:43:50" (3/3) ... [2025-02-06 15:43:50,385 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_44_bad.i [2025-02-06 15:43:50,396 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 15:43:50,399 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_multiply_44_bad.i that has 2 procedures, 25 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2025-02-06 15:43:50,436 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 15:43:50,444 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;@5b9e1445, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 15:43:50,444 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-02-06 15:43:50,447 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 21 states have internal predecessors, (23), 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) [2025-02-06 15:43:50,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-02-06 15:43:50,451 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 15:43:50,452 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 15:43:50,452 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-02-06 15:43:50,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 15:43:50,456 INFO L85 PathProgramCache]: Analyzing trace with hash -890608487, now seen corresponding path program 1 times [2025-02-06 15:43:50,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 15:43:50,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584490011] [2025-02-06 15:43:50,461 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 15:43:50,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 15:43:50,537 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-06 15:43:50,556 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-06 15:43:50,559 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 15:43:50,559 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 15:43:50,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 15:43:50,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 15:43:50,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584490011] [2025-02-06 15:43:50,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584490011] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 15:43:50,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 15:43:50,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 15:43:50,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400546984] [2025-02-06 15:43:50,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 15:43:50,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 15:43:50,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 15:43:50,696 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 15:43:50,696 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 15:43:50,698 INFO L87 Difference]: Start difference. First operand has 25 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 21 states have internal predecessors, (23), 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 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2025-02-06 15:43:50,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 15:43:50,717 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2025-02-06 15:43:50,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 15:43:50,719 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 12 [2025-02-06 15:43:50,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 15:43:50,722 INFO L225 Difference]: With dead ends: 25 [2025-02-06 15:43:50,722 INFO L226 Difference]: Without dead ends: 15 [2025-02-06 15:43:50,724 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 [2025-02-06 15:43:50,725 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 1 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 46 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 [2025-02-06 15:43:50,726 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 46 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 15:43:50,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2025-02-06 15:43:50,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2025-02-06 15:43:50,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 12 states have internal predecessors, (13), 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) [2025-02-06 15:43:50,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2025-02-06 15:43:50,748 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 12 [2025-02-06 15:43:50,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 15:43:50,749 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2025-02-06 15:43:50,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2025-02-06 15:43:50,750 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2025-02-06 15:43:50,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-02-06 15:43:50,750 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 15:43:50,751 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 15:43:50,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 15:43:50,752 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-02-06 15:43:50,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 15:43:50,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1839059338, now seen corresponding path program 1 times [2025-02-06 15:43:50,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 15:43:50,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821625229] [2025-02-06 15:43:50,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 15:43:50,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 15:43:50,776 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-06 15:43:50,789 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-06 15:43:50,789 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 15:43:50,789 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 15:43:50,790 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 15:43:50,796 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-06 15:43:50,809 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-06 15:43:50,809 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 15:43:50,809 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 15:43:50,829 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 15:43:50,830 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-06 15:43:50,831 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2025-02-06 15:43:50,832 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2025-02-06 15:43:50,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 15:43:50,834 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-02-06 15:43:50,849 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 15:43:50,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 03:43:50 BoogieIcfgContainer [2025-02-06 15:43:50,853 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 15:43:50,854 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 15:43:50,854 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 15:43:50,854 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 15:43:50,855 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 03:43:50" (3/4) ... [2025-02-06 15:43:50,856 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-06 15:43:50,857 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 15:43:50,858 INFO L158 Benchmark]: Toolchain (without parser) took 1449.74ms. Allocated memory is still 142.6MB. Free memory was 109.4MB in the beginning and 70.0MB in the end (delta: 39.4MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2025-02-06 15:43:50,858 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 201.3MB. Free memory is still 123.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 15:43:50,858 INFO L158 Benchmark]: CACSL2BoogieTranslator took 649.10ms. Allocated memory is still 142.6MB. Free memory was 109.4MB in the beginning and 50.9MB in the end (delta: 58.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-02-06 15:43:50,858 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.58ms. Allocated memory is still 142.6MB. Free memory was 50.9MB in the beginning and 48.5MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 15:43:50,859 INFO L158 Benchmark]: Boogie Preprocessor took 27.64ms. Allocated memory is still 142.6MB. Free memory was 48.5MB in the beginning and 47.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 15:43:50,859 INFO L158 Benchmark]: IcfgBuilder took 250.25ms. Allocated memory is still 142.6MB. Free memory was 46.5MB in the beginning and 103.1MB in the end (delta: -56.7MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2025-02-06 15:43:50,859 INFO L158 Benchmark]: TraceAbstraction took 474.32ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 70.0MB in the end (delta: 32.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-06 15:43:50,859 INFO L158 Benchmark]: Witness Printer took 2.87ms. Allocated memory is still 142.6MB. Free memory is still 70.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 15:43:50,861 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 201.3MB. Free memory is still 123.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 649.10ms. Allocated memory is still 142.6MB. Free memory was 109.4MB in the beginning and 50.9MB in the end (delta: 58.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.58ms. Allocated memory is still 142.6MB. Free memory was 50.9MB in the beginning and 48.5MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.64ms. Allocated memory is still 142.6MB. Free memory was 48.5MB in the beginning and 47.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 250.25ms. Allocated memory is still 142.6MB. Free memory was 46.5MB in the beginning and 103.1MB in the end (delta: -56.7MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * TraceAbstraction took 474.32ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 70.0MB in the end (delta: 32.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 2.87ms. Allocated memory is still 142.6MB. Free memory is still 70.0MB. 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: 1552]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1565, overapproximation of fgets at line 1563. 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_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1562] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, funcPtr={-1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1565] data = atoi(inputBuffer) [L1572] CALL funcPtr(data) [L1550] 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] [L1552] 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: 1552]: 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, 25 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 46 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 25 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=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, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 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 [2025-02-06 15:43:50,875 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_44_bad.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 4b84ec9c4240a9e8f048ce34ef067d99f85bbb79ddb0d0e3fb400f546d1c393e --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 15:43:52,674 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 15:43:52,745 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2025-02-06 15:43:52,749 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 15:43:52,749 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 15:43:52,749 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2025-02-06 15:43:52,768 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 15:43:52,769 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 15:43:52,769 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 15:43:52,769 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 15:43:52,769 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 15:43:52,769 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 15:43:52,769 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 15:43:52,770 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 15:43:52,770 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 15:43:52,770 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 15:43:52,770 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 15:43:52,770 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 15:43:52,773 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 15:43:52,774 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 15:43:52,774 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 15:43:52,774 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 15:43:52,774 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-06 15:43:52,774 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-06 15:43:52,774 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 15:43:52,774 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-06 15:43:52,774 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 15:43:52,774 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 15:43:52,774 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 15:43:52,774 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 15:43:52,774 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 15:43:52,774 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 15:43:52,774 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 15:43:52,774 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 15:43:52,774 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 15:43:52,774 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 15:43:52,774 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 15:43:52,774 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 15:43:52,774 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 15:43:52,775 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-06 15:43:52,775 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-06 15:43:52,775 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 15:43:52,775 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 15:43:52,775 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 15:43:52,775 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 15:43:52,775 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-jdk21/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 -> 4b84ec9c4240a9e8f048ce34ef067d99f85bbb79ddb0d0e3fb400f546d1c393e [2025-02-06 15:43:53,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 15:43:53,049 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 15:43:53,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 15:43:53,057 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 15:43:53,057 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 15:43:53,058 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_44_bad.i [2025-02-06 15:43:54,269 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b09bbc058/354527bffcfa4be9b91261c08bad907c/FLAGd4821b3a8 [2025-02-06 15:43:54,578 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 15:43:54,578 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_44_bad.i [2025-02-06 15:43:54,607 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b09bbc058/354527bffcfa4be9b91261c08bad907c/FLAGd4821b3a8 [2025-02-06 15:43:54,826 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b09bbc058/354527bffcfa4be9b91261c08bad907c [2025-02-06 15:43:54,828 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 15:43:54,829 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 15:43:54,830 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 15:43:54,830 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 15:43:54,833 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 15:43:54,833 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 03:43:54" (1/1) ... [2025-02-06 15:43:54,833 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9893a91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:54, skipping insertion in model container [2025-02-06 15:43:54,834 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 03:43:54" (1/1) ... [2025-02-06 15:43:54,869 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 15:43:55,425 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 15:43:55,436 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 15:43:55,516 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 15:43:55,628 INFO L204 MainTranslator]: Completed translation [2025-02-06 15:43:55,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:55 WrapperNode [2025-02-06 15:43:55,629 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 15:43:55,630 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 15:43:55,630 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 15:43:55,630 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 15:43:55,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:55" (1/1) ... [2025-02-06 15:43:55,657 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:55" (1/1) ... [2025-02-06 15:43:55,675 INFO L138 Inliner]: procedures = 505, calls = 29, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 64 [2025-02-06 15:43:55,675 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 15:43:55,676 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 15:43:55,676 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 15:43:55,676 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 15:43:55,683 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:55" (1/1) ... [2025-02-06 15:43:55,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:55" (1/1) ... [2025-02-06 15:43:55,685 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:55" (1/1) ... [2025-02-06 15:43:55,694 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]. [2025-02-06 15:43:55,694 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:55" (1/1) ... [2025-02-06 15:43:55,694 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:55" (1/1) ... [2025-02-06 15:43:55,700 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:55" (1/1) ... [2025-02-06 15:43:55,704 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:55" (1/1) ... [2025-02-06 15:43:55,705 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:55" (1/1) ... [2025-02-06 15:43:55,708 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:55" (1/1) ... [2025-02-06 15:43:55,710 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 15:43:55,711 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 15:43:55,711 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 15:43:55,711 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 15:43:55,714 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:55" (1/1) ... [2025-02-06 15:43:55,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 15:43:55,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 15:43:55,738 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 15:43:55,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 15:43:55,761 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2025-02-06 15:43:55,761 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2025-02-06 15:43:55,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-06 15:43:55,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 15:43:55,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 15:43:55,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 15:43:55,870 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 15:43:55,872 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 15:43:55,975 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2025-02-06 15:43:55,976 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 15:43:55,982 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 15:43:55,983 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 15:43:55,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 03:43:55 BoogieIcfgContainer [2025-02-06 15:43:55,984 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 15:43:55,985 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 15:43:55,985 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 15:43:55,989 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 15:43:55,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 03:43:54" (1/3) ... [2025-02-06 15:43:55,991 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27923275 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 03:43:55, skipping insertion in model container [2025-02-06 15:43:55,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:55" (2/3) ... [2025-02-06 15:43:55,993 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27923275 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 03:43:55, skipping insertion in model container [2025-02-06 15:43:55,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 03:43:55" (3/3) ... [2025-02-06 15:43:55,994 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_44_bad.i [2025-02-06 15:43:56,003 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 15:43:56,005 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_multiply_44_bad.i that has 2 procedures, 25 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2025-02-06 15:43:56,044 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 15:43:56,053 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;@151c8300, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 15:43:56,053 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-02-06 15:43:56,056 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 21 states have internal predecessors, (23), 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) [2025-02-06 15:43:56,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-02-06 15:43:56,063 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 15:43:56,063 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 15:43:56,064 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-02-06 15:43:56,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 15:43:56,068 INFO L85 PathProgramCache]: Analyzing trace with hash -890608487, now seen corresponding path program 1 times [2025-02-06 15:43:56,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 15:43:56,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [931331357] [2025-02-06 15:43:56,077 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 15:43:56,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 15:43:56,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 15:43:56,080 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 15:43:56,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 15:43:56,197 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-06 15:43:56,210 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-06 15:43:56,211 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 15:43:56,211 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 15:43:56,213 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-06 15:43:56,218 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 15:43:56,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 15:43:56,245 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 15:43:56,245 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 15:43:56,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [931331357] [2025-02-06 15:43:56,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [931331357] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 15:43:56,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 15:43:56,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 15:43:56,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632598435] [2025-02-06 15:43:56,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 15:43:56,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 15:43:56,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 15:43:56,267 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 15:43:56,267 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 15:43:56,269 INFO L87 Difference]: Start difference. First operand has 25 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 21 states have internal predecessors, (23), 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 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2025-02-06 15:43:56,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 15:43:56,295 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2025-02-06 15:43:56,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 15:43:56,296 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 12 [2025-02-06 15:43:56,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 15:43:56,299 INFO L225 Difference]: With dead ends: 25 [2025-02-06 15:43:56,299 INFO L226 Difference]: Without dead ends: 15 [2025-02-06 15:43:56,301 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 15:43:56,302 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 1 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 46 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 [2025-02-06 15:43:56,303 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 46 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 15:43:56,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2025-02-06 15:43:56,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2025-02-06 15:43:56,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 12 states have internal predecessors, (13), 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) [2025-02-06 15:43:56,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2025-02-06 15:43:56,326 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 12 [2025-02-06 15:43:56,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 15:43:56,327 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2025-02-06 15:43:56,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2025-02-06 15:43:56,328 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2025-02-06 15:43:56,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-02-06 15:43:56,329 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 15:43:56,329 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 15:43:56,337 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-02-06 15:43:56,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 15:43:56,530 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-02-06 15:43:56,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 15:43:56,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1839059338, now seen corresponding path program 1 times [2025-02-06 15:43:56,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 15:43:56,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1349785603] [2025-02-06 15:43:56,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 15:43:56,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 15:43:56,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 15:43:56,533 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 15:43:56,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-06 15:43:56,594 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-06 15:43:56,610 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-06 15:43:56,610 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 15:43:56,610 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 15:43:56,611 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 15:43:56,618 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-06 15:43:56,624 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-06 15:43:56,624 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 15:43:56,624 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 15:43:56,641 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2025-02-06 15:43:56,641 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-06 15:43:56,644 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2025-02-06 15:43:56,645 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2025-02-06 15:43:56,652 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-06 15:43:56,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 15:43:56,849 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-02-06 15:43:56,860 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 15:43:56,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 03:43:56 BoogieIcfgContainer [2025-02-06 15:43:56,862 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 15:43:56,863 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 15:43:56,863 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 15:43:56,863 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 15:43:56,864 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 03:43:55" (3/4) ... [2025-02-06 15:43:56,865 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-06 15:43:56,865 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 15:43:56,866 INFO L158 Benchmark]: Toolchain (without parser) took 2037.34ms. Allocated memory is still 117.4MB. Free memory was 86.8MB in the beginning and 66.4MB in the end (delta: 20.4MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2025-02-06 15:43:56,866 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 15:43:56,866 INFO L158 Benchmark]: CACSL2BoogieTranslator took 799.51ms. Allocated memory is still 117.4MB. Free memory was 86.6MB in the beginning and 64.9MB in the end (delta: 21.7MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2025-02-06 15:43:56,867 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.70ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 62.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 15:43:56,867 INFO L158 Benchmark]: Boogie Preprocessor took 34.43ms. Allocated memory is still 117.4MB. Free memory was 62.2MB in the beginning and 59.7MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 15:43:56,867 INFO L158 Benchmark]: IcfgBuilder took 273.01ms. Allocated memory is still 117.4MB. Free memory was 59.7MB in the beginning and 45.8MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 15:43:56,867 INFO L158 Benchmark]: TraceAbstraction took 877.22ms. Allocated memory is still 117.4MB. Free memory was 45.3MB in the beginning and 66.4MB in the end (delta: -21.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 15:43:56,867 INFO L158 Benchmark]: Witness Printer took 2.62ms. Allocated memory is still 117.4MB. Free memory was 66.4MB in the beginning and 66.4MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 15:43:56,868 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 799.51ms. Allocated memory is still 117.4MB. Free memory was 86.6MB in the beginning and 64.9MB in the end (delta: 21.7MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.70ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 62.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.43ms. Allocated memory is still 117.4MB. Free memory was 62.2MB in the beginning and 59.7MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 273.01ms. Allocated memory is still 117.4MB. Free memory was 59.7MB in the beginning and 45.8MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 877.22ms. Allocated memory is still 117.4MB. Free memory was 45.3MB in the beginning and 66.4MB in the end (delta: -21.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.62ms. Allocated memory is still 117.4MB. Free memory was 66.4MB in the beginning and 66.4MB in the end (delta: 42.6kB). 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: 1552]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1565, overapproximation of fgets at line 1563. 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_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1562] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, funcPtr={-1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1565] data = atoi(inputBuffer) [L1572] CALL funcPtr(data) [L1550] 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] [L1552] 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: 1552]: 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, 25 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 46 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 25 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 10 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, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 64 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 [2025-02-06 15:43:56,879 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample