./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_14_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_14_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 32bde7eeae2a067ecd6e62ce86b7b466cec584089d07daf0a235a3d38a08ce05 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 15:43:28,434 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 15:43:28,488 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-02-06 15:43:28,493 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 15:43:28,493 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 15:43:28,511 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 15:43:28,512 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 15:43:28,512 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 15:43:28,512 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 15:43:28,513 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 15:43:28,513 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 15:43:28,513 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 15:43:28,514 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 15:43:28,514 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 15:43:28,514 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 15:43:28,514 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 15:43:28,514 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 15:43:28,514 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 15:43:28,514 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 15:43:28,515 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 15:43:28,515 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 15:43:28,515 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 15:43:28,515 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 15:43:28,515 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 15:43:28,515 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 15:43:28,515 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 15:43:28,515 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 15:43:28,515 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 15:43:28,515 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 15:43:28,515 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 15:43:28,515 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 15:43:28,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 15:43:28,516 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 15:43:28,516 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 15:43:28,516 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 15:43:28,516 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 15:43:28,516 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 15:43:28,516 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 15:43:28,516 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 15:43:28,517 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 15:43:28,517 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 15:43:28,517 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 15:43:28,517 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 -> 32bde7eeae2a067ecd6e62ce86b7b466cec584089d07daf0a235a3d38a08ce05 [2025-02-06 15:43:28,726 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 15:43:28,734 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 15:43:28,736 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 15:43:28,737 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 15:43:28,737 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 15:43:28,739 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_14_bad.i [2025-02-06 15:43:29,911 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2818d9afa/10d20a405bdf495399d5b60efb7db8b1/FLAG4c9fa8fe1 [2025-02-06 15:43:30,337 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 15:43:30,338 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_14_bad.i [2025-02-06 15:43:30,359 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2818d9afa/10d20a405bdf495399d5b60efb7db8b1/FLAG4c9fa8fe1 [2025-02-06 15:43:30,491 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2818d9afa/10d20a405bdf495399d5b60efb7db8b1 [2025-02-06 15:43:30,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 15:43:30,494 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 15:43:30,495 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 15:43:30,495 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 15:43:30,498 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 15:43:30,498 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 03:43:30" (1/1) ... [2025-02-06 15:43:30,500 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dd92c10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:30, skipping insertion in model container [2025-02-06 15:43:30,500 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 03:43:30" (1/1) ... [2025-02-06 15:43:30,540 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 15:43:30,969 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 15:43:30,975 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 15:43:31,059 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 15:43:31,145 INFO L204 MainTranslator]: Completed translation [2025-02-06 15:43:31,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:31 WrapperNode [2025-02-06 15:43:31,146 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 15:43:31,147 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 15:43:31,147 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 15:43:31,147 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 15:43:31,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:31" (1/1) ... [2025-02-06 15:43:31,170 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:31" (1/1) ... [2025-02-06 15:43:31,187 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2025-02-06 15:43:31,188 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 15:43:31,188 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 15:43:31,188 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 15:43:31,188 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 15:43:31,194 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:31" (1/1) ... [2025-02-06 15:43:31,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:31" (1/1) ... [2025-02-06 15:43:31,197 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:31" (1/1) ... [2025-02-06 15:43:31,213 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 15:43:31,213 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:31" (1/1) ... [2025-02-06 15:43:31,213 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:31" (1/1) ... [2025-02-06 15:43:31,217 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:31" (1/1) ... [2025-02-06 15:43:31,217 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:31" (1/1) ... [2025-02-06 15:43:31,218 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:31" (1/1) ... [2025-02-06 15:43:31,218 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:31" (1/1) ... [2025-02-06 15:43:31,219 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 15:43:31,220 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 15:43:31,220 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 15:43:31,220 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 15:43:31,224 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:31" (1/1) ... [2025-02-06 15:43:31,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 15:43:31,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 15:43:31,254 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 15:43:31,258 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 15:43:31,282 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2025-02-06 15:43:31,283 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2025-02-06 15:43:31,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 15:43:31,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 15:43:31,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 15:43:31,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 15:43:31,389 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 15:43:31,390 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 15:43:31,492 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2025-02-06 15:43:31,493 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 15:43:31,501 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 15:43:31,501 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 15:43:31,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 03:43:31 BoogieIcfgContainer [2025-02-06 15:43:31,502 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 15:43:31,503 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 15:43:31,503 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 15:43:31,506 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 15:43:31,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 03:43:30" (1/3) ... [2025-02-06 15:43:31,507 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68ae5d5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 03:43:31, skipping insertion in model container [2025-02-06 15:43:31,507 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:31" (2/3) ... [2025-02-06 15:43:31,508 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68ae5d5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 03:43:31, skipping insertion in model container [2025-02-06 15:43:31,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 03:43:31" (3/3) ... [2025-02-06 15:43:31,509 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_14_bad.i [2025-02-06 15:43:31,520 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 15:43:31,521 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_multiply_14_bad.i that has 2 procedures, 25 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2025-02-06 15:43:31,558 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 15:43:31,566 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;@78346fc3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 15:43:31,567 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-02-06 15:43:31,570 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 21 states have internal predecessors, (25), 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 15:43:31,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-02-06 15:43:31,574 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 15:43:31,574 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 15:43:31,575 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-02-06 15:43:31,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 15:43:31,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1569615730, now seen corresponding path program 1 times [2025-02-06 15:43:31,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 15:43:31,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542378434] [2025-02-06 15:43:31,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 15:43:31,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 15:43:31,654 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-06 15:43:31,667 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-06 15:43:31,667 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 15:43:31,668 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 15:43:31,756 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 15:43:31,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 15:43:31,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542378434] [2025-02-06 15:43:31,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542378434] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 15:43:31,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 15:43:31,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 15:43:31,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893187707] [2025-02-06 15:43:31,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 15:43:31,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 15:43:31,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 15:43:31,782 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 15:43:31,783 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 15:43:31,784 INFO L87 Difference]: Start difference. First operand has 25 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 21 states have internal predecessors, (25), 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, 3 states have (on average 3.3333333333333335) 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 15:43:31,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 15:43:31,809 INFO L93 Difference]: Finished difference Result 42 states and 50 transitions. [2025-02-06 15:43:31,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 15:43:31,811 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) 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 15:43:31,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 15:43:31,814 INFO L225 Difference]: With dead ends: 42 [2025-02-06 15:43:31,815 INFO L226 Difference]: Without dead ends: 18 [2025-02-06 15:43:31,817 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 15:43:31,819 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 25 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 15:43:31,821 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 27 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 15:43:31,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2025-02-06 15:43:31,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2025-02-06 15:43:31,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 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 15:43:31,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2025-02-06 15:43:31,845 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 12 [2025-02-06 15:43:31,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 15:43:31,846 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2025-02-06 15:43:31,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) 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 15:43:31,846 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2025-02-06 15:43:31,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-02-06 15:43:31,851 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 15:43:31,851 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 15:43:31,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 15:43:31,851 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-02-06 15:43:31,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 15:43:31,851 INFO L85 PathProgramCache]: Analyzing trace with hash 841459540, now seen corresponding path program 1 times [2025-02-06 15:43:31,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 15:43:31,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310940940] [2025-02-06 15:43:31,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 15:43:31,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 15:43:31,871 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-06 15:43:31,879 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-06 15:43:31,879 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 15:43:31,879 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 15:43:31,924 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 15:43:31,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 15:43:31,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310940940] [2025-02-06 15:43:31,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310940940] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 15:43:31,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 15:43:31,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 15:43:31,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110570532] [2025-02-06 15:43:31,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 15:43:31,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 15:43:31,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 15:43:31,927 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 15:43:31,927 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 15:43:31,927 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 15:43:31,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 15:43:31,935 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2025-02-06 15:43:31,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 15:43:31,935 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 14 [2025-02-06 15:43:31,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 15:43:31,936 INFO L225 Difference]: With dead ends: 18 [2025-02-06 15:43:31,936 INFO L226 Difference]: Without dead ends: 17 [2025-02-06 15:43:31,936 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 15:43:31,937 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 1 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 15:43:31,938 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 31 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 15:43:31,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2025-02-06 15:43:31,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2025-02-06 15:43:31,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 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 15:43:31,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2025-02-06 15:43:31,941 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 14 [2025-02-06 15:43:31,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 15:43:31,941 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2025-02-06 15:43:31,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 15:43:31,941 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2025-02-06 15:43:31,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-02-06 15:43:31,942 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 15:43:31,942 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 15:43:31,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 15:43:31,942 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-02-06 15:43:31,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 15:43:31,943 INFO L85 PathProgramCache]: Analyzing trace with hash 315441944, now seen corresponding path program 1 times [2025-02-06 15:43:31,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 15:43:31,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697561120] [2025-02-06 15:43:31,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 15:43:31,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 15:43:31,968 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 15:43:31,988 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 15:43:31,989 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 15:43:31,989 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 15:43:31,989 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 15:43:31,992 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 15:43:31,997 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 15:43:31,997 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 15:43:31,997 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 15:43:32,010 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 15:43:32,010 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-06 15:43:32,011 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2025-02-06 15:43:32,014 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2025-02-06 15:43:32,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 15:43:32,017 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-02-06 15:43:32,031 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 15:43:32,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 03:43:32 BoogieIcfgContainer [2025-02-06 15:43:32,037 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 15:43:32,037 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 15:43:32,038 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 15:43:32,038 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 15:43:32,039 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 03:43:31" (3/4) ... [2025-02-06 15:43:32,040 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-06 15:43:32,041 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 15:43:32,041 INFO L158 Benchmark]: Toolchain (without parser) took 1547.50ms. Allocated memory is still 142.6MB. Free memory was 109.0MB in the beginning and 63.3MB in the end (delta: 45.7MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. [2025-02-06 15:43:32,042 INFO L158 Benchmark]: CDTParser took 1.40ms. Allocated memory is still 201.3MB. Free memory is still 124.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 15:43:32,042 INFO L158 Benchmark]: CACSL2BoogieTranslator took 650.94ms. Allocated memory is still 142.6MB. Free memory was 109.0MB in the beginning and 49.0MB in the end (delta: 60.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-02-06 15:43:32,042 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.25ms. Allocated memory is still 142.6MB. Free memory was 49.0MB in the beginning and 46.5MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 15:43:32,042 INFO L158 Benchmark]: Boogie Preprocessor took 31.25ms. Allocated memory is still 142.6MB. Free memory was 46.5MB in the beginning and 45.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 15:43:32,042 INFO L158 Benchmark]: IcfgBuilder took 282.03ms. Allocated memory is still 142.6MB. Free memory was 45.0MB in the beginning and 101.5MB in the end (delta: -56.4MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2025-02-06 15:43:32,043 INFO L158 Benchmark]: TraceAbstraction took 533.66ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 63.3MB in the end (delta: 37.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-06 15:43:32,043 INFO L158 Benchmark]: Witness Printer took 3.71ms. Allocated memory is still 142.6MB. Free memory is still 63.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 15:43:32,044 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.40ms. Allocated memory is still 201.3MB. Free memory is still 124.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 650.94ms. Allocated memory is still 142.6MB. Free memory was 109.0MB in the beginning and 49.0MB in the end (delta: 60.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.25ms. Allocated memory is still 142.6MB. Free memory was 49.0MB in the beginning and 46.5MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.25ms. Allocated memory is still 142.6MB. Free memory was 46.5MB in the beginning and 45.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 282.03ms. Allocated memory is still 142.6MB. Free memory was 45.0MB in the beginning and 101.5MB in the end (delta: -56.4MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * TraceAbstraction took 533.66ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 63.3MB in the end (delta: 37.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 3.71ms. Allocated memory is still 142.6MB. Free memory is still 63.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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 1558, overapproximation of fgets at line 1556. 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] [L1578] 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) [L1578] 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] [L1579] CALL CWE190_Integer_Overflow__int_fgets_multiply_14_bad() [L1550] int data; [L1551] data = 0 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 globalFive==5 [L1555] 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] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1566] COND TRUE globalFive==5 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] [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, 25 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 58 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 44 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 34 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 15:43:32,056 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_14_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 32bde7eeae2a067ecd6e62ce86b7b466cec584089d07daf0a235a3d38a08ce05 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 15:43:34,215 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 15:43:34,319 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2025-02-06 15:43:34,324 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 15:43:34,326 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 15:43:34,326 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2025-02-06 15:43:34,342 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 15:43:34,342 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 15:43:34,343 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 15:43:34,343 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 15:43:34,343 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 15:43:34,343 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 15:43:34,343 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 15:43:34,343 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 15:43:34,343 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 15:43:34,343 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 15:43:34,343 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 15:43:34,343 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 15:43:34,343 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 15:43:34,343 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 15:43:34,343 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 15:43:34,344 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 15:43:34,344 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-06 15:43:34,344 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-06 15:43:34,344 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 15:43:34,344 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-06 15:43:34,344 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 15:43:34,344 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 15:43:34,344 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 15:43:34,344 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 15:43:34,344 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 15:43:34,344 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 15:43:34,344 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 15:43:34,344 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 15:43:34,344 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 15:43:34,344 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 15:43:34,344 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 15:43:34,344 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 15:43:34,344 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 15:43:34,344 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-06 15:43:34,345 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-06 15:43:34,345 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 15:43:34,345 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 15:43:34,345 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 15:43:34,345 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 15:43:34,345 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 -> 32bde7eeae2a067ecd6e62ce86b7b466cec584089d07daf0a235a3d38a08ce05 [2025-02-06 15:43:34,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 15:43:34,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 15:43:34,666 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 15:43:34,666 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 15:43:34,666 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 15:43:34,667 INFO L431 ainManager$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_14_bad.i [2025-02-06 15:43:35,161 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6e2171e81/b419543b65fe4c72958b9e39b2bc79e0/FLAGe5a5a2833 [2025-02-06 15:43:36,860 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 15:43:36,861 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_14_bad.i [2025-02-06 15:43:36,885 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6e2171e81/b419543b65fe4c72958b9e39b2bc79e0/FLAGe5a5a2833 [2025-02-06 15:43:36,903 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6e2171e81/b419543b65fe4c72958b9e39b2bc79e0 [2025-02-06 15:43:36,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 15:43:36,906 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 15:43:36,907 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 15:43:36,907 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 15:43:36,911 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 15:43:36,911 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 03:43:36" (1/1) ... [2025-02-06 15:43:36,912 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@670c5fcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:36, skipping insertion in model container [2025-02-06 15:43:36,912 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 03:43:36" (1/1) ... [2025-02-06 15:43:36,945 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 15:43:37,487 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 15:43:37,501 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 15:43:37,553 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 15:43:37,685 INFO L204 MainTranslator]: Completed translation [2025-02-06 15:43:37,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:37 WrapperNode [2025-02-06 15:43:37,687 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 15:43:37,688 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 15:43:37,688 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 15:43:37,688 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 15:43:37,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:37" (1/1) ... [2025-02-06 15:43:37,716 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:37" (1/1) ... [2025-02-06 15:43:37,740 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2025-02-06 15:43:37,741 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 15:43:37,742 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 15:43:37,742 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 15:43:37,742 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 15:43:37,747 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:37" (1/1) ... [2025-02-06 15:43:37,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:37" (1/1) ... [2025-02-06 15:43:37,752 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:37" (1/1) ... [2025-02-06 15:43:37,767 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 15:43:37,767 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:37" (1/1) ... [2025-02-06 15:43:37,767 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:37" (1/1) ... [2025-02-06 15:43:37,775 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:37" (1/1) ... [2025-02-06 15:43:37,776 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:37" (1/1) ... [2025-02-06 15:43:37,781 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:37" (1/1) ... [2025-02-06 15:43:37,781 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:37" (1/1) ... [2025-02-06 15:43:37,783 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 15:43:37,784 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 15:43:37,784 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 15:43:37,784 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 15:43:37,784 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:37" (1/1) ... [2025-02-06 15:43:37,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 15:43:37,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 15:43:37,805 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 15:43:37,813 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 15:43:37,825 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2025-02-06 15:43:37,825 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2025-02-06 15:43:37,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-06 15:43:37,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 15:43:37,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 15:43:37,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 15:43:37,919 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 15:43:37,921 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 15:43:38,021 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2025-02-06 15:43:38,021 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 15:43:38,028 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 15:43:38,028 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 15:43:38,029 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 03:43:38 BoogieIcfgContainer [2025-02-06 15:43:38,029 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 15:43:38,030 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 15:43:38,030 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 15:43:38,033 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 15:43:38,034 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 03:43:36" (1/3) ... [2025-02-06 15:43:38,034 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ea57443 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 03:43:38, skipping insertion in model container [2025-02-06 15:43:38,034 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:43:37" (2/3) ... [2025-02-06 15:43:38,034 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ea57443 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 03:43:38, skipping insertion in model container [2025-02-06 15:43:38,034 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 03:43:38" (3/3) ... [2025-02-06 15:43:38,035 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_14_bad.i [2025-02-06 15:43:38,045 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 15:43:38,049 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_multiply_14_bad.i that has 2 procedures, 25 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2025-02-06 15:43:38,103 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 15:43:38,115 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;@22db0db8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 15:43:38,115 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-02-06 15:43:38,117 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 21 states have internal predecessors, (25), 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 15:43:38,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-02-06 15:43:38,123 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 15:43:38,124 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 15:43:38,124 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-02-06 15:43:38,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 15:43:38,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1569615730, now seen corresponding path program 1 times [2025-02-06 15:43:38,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 15:43:38,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [176241960] [2025-02-06 15:43:38,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 15:43:38,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 15:43:38,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 15:43:38,136 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 15:43:38,138 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 15:43:38,236 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-06 15:43:38,252 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-06 15:43:38,252 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 15:43:38,252 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 15:43:38,257 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-06 15:43:38,260 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 15:43:38,328 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 15:43:38,329 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 15:43:38,329 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 15:43:38,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [176241960] [2025-02-06 15:43:38,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [176241960] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 15:43:38,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 15:43:38,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 15:43:38,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499387120] [2025-02-06 15:43:38,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 15:43:38,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 15:43:38,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 15:43:38,343 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 15:43:38,344 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 15:43:38,345 INFO L87 Difference]: Start difference. First operand has 25 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 21 states have internal predecessors, (25), 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, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 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 15:43:38,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 15:43:38,362 INFO L93 Difference]: Finished difference Result 42 states and 50 transitions. [2025-02-06 15:43:38,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 15:43:38,364 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 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 15:43:38,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 15:43:38,367 INFO L225 Difference]: With dead ends: 42 [2025-02-06 15:43:38,368 INFO L226 Difference]: Without dead ends: 18 [2025-02-06 15:43:38,371 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 15:43:38,372 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 21 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 15:43:38,374 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 27 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 15:43:38,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2025-02-06 15:43:38,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2025-02-06 15:43:38,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 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 15:43:38,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2025-02-06 15:43:38,399 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 12 [2025-02-06 15:43:38,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 15:43:38,399 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2025-02-06 15:43:38,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 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 15:43:38,399 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2025-02-06 15:43:38,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-02-06 15:43:38,400 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 15:43:38,400 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 15:43:38,407 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 15:43:38,605 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 15:43:38,605 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-02-06 15:43:38,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 15:43:38,606 INFO L85 PathProgramCache]: Analyzing trace with hash 841459540, now seen corresponding path program 1 times [2025-02-06 15:43:38,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 15:43:38,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1545447644] [2025-02-06 15:43:38,608 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 15:43:38,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 15:43:38,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 15:43:38,611 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 15:43:38,612 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 15:43:38,673 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-06 15:43:38,682 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-06 15:43:38,683 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 15:43:38,683 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 15:43:38,684 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-06 15:43:38,684 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 15:43:38,691 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 15:43:38,691 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 15:43:38,691 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 15:43:38,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1545447644] [2025-02-06 15:43:38,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1545447644] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 15:43:38,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 15:43:38,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 15:43:38,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334597390] [2025-02-06 15:43:38,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 15:43:38,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 15:43:38,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 15:43:38,693 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 15:43:38,693 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 15:43:38,693 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 15:43:38,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 15:43:38,702 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2025-02-06 15:43:38,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 15:43:38,703 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 14 [2025-02-06 15:43:38,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 15:43:38,703 INFO L225 Difference]: With dead ends: 18 [2025-02-06 15:43:38,704 INFO L226 Difference]: Without dead ends: 17 [2025-02-06 15:43:38,704 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 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 15:43:38,704 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 1 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 15:43:38,705 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 31 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 15:43:38,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2025-02-06 15:43:38,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2025-02-06 15:43:38,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 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 15:43:38,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2025-02-06 15:43:38,712 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 14 [2025-02-06 15:43:38,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 15:43:38,712 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2025-02-06 15:43:38,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 15:43:38,712 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2025-02-06 15:43:38,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-02-06 15:43:38,712 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 15:43:38,712 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 15:43:38,726 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 15:43:38,913 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 15:43:38,913 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-02-06 15:43:38,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 15:43:38,914 INFO L85 PathProgramCache]: Analyzing trace with hash 315441944, now seen corresponding path program 1 times [2025-02-06 15:43:38,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 15:43:38,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [354944184] [2025-02-06 15:43:38,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 15:43:38,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 15:43:38,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 15:43:38,916 INFO L229 MonitoredProcess]: Starting monitored process 4 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 15:43:38,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-06 15:43:38,999 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 15:43:39,024 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 15:43:39,024 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 15:43:39,024 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 15:43:39,024 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 15:43:39,039 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 15:43:39,049 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 15:43:39,049 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 15:43:39,049 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 15:43:39,081 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2025-02-06 15:43:39,082 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-06 15:43:39,082 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2025-02-06 15:43:39,087 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2025-02-06 15:43:39,098 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-06 15:43:39,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 15:43:39,293 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-02-06 15:43:39,318 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 15:43:39,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 03:43:39 BoogieIcfgContainer [2025-02-06 15:43:39,324 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 15:43:39,324 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 15:43:39,324 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 15:43:39,324 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 15:43:39,325 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 03:43:38" (3/4) ... [2025-02-06 15:43:39,326 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-06 15:43:39,327 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 15:43:39,327 INFO L158 Benchmark]: Toolchain (without parser) took 2421.29ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 88.1MB in the beginning and 151.4MB in the end (delta: -63.4MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2025-02-06 15:43:39,327 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 117.4MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 15:43:39,331 INFO L158 Benchmark]: CACSL2BoogieTranslator took 780.24ms. Allocated memory is still 117.4MB. Free memory was 87.9MB in the beginning and 65.7MB in the end (delta: 22.2MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2025-02-06 15:43:39,332 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.19ms. Allocated memory is still 117.4MB. Free memory was 65.7MB in the beginning and 63.1MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 15:43:39,332 INFO L158 Benchmark]: Boogie Preprocessor took 41.58ms. Allocated memory is still 117.4MB. Free memory was 63.1MB in the beginning and 60.7MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 15:43:39,332 INFO L158 Benchmark]: IcfgBuilder took 245.40ms. Allocated memory is still 117.4MB. Free memory was 60.7MB in the beginning and 47.4MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 15:43:39,332 INFO L158 Benchmark]: TraceAbstraction took 1293.62ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 46.9MB in the beginning and 151.5MB in the end (delta: -104.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 15:43:39,332 INFO L158 Benchmark]: Witness Printer took 2.40ms. Allocated memory is still 209.7MB. Free memory was 151.5MB in the beginning and 151.4MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 15:43:39,333 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 117.4MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 780.24ms. Allocated memory is still 117.4MB. Free memory was 87.9MB in the beginning and 65.7MB in the end (delta: 22.2MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.19ms. Allocated memory is still 117.4MB. Free memory was 65.7MB in the beginning and 63.1MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.58ms. Allocated memory is still 117.4MB. Free memory was 63.1MB in the beginning and 60.7MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 245.40ms. Allocated memory is still 117.4MB. Free memory was 60.7MB in the beginning and 47.4MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1293.62ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 46.9MB in the beginning and 151.5MB in the end (delta: -104.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.40ms. Allocated memory is still 209.7MB. Free memory was 151.5MB in the beginning and 151.4MB 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: 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 1558, overapproximation of fgets at line 1556. 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] [L1578] 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) [L1578] 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] [L1579] CALL CWE190_Integer_Overflow__int_fgets_multiply_14_bad() [L1550] int data; [L1551] data = 0 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 globalFive==5 [L1555] 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] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1566] COND TRUE globalFive==5 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] [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, 25 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 58 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 44 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 42 SizeOfPredicates, 0 NumberOfNonLiveVariables, 100 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 15:43:39,358 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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