./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_13_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 48c9605d 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_postinc_13_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 e3a76f807fc9c2a37c532c45ab535186eee246a575f654c442cd7dc3cd31ff44 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 11:11:43,211 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 11:11:43,269 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-02-08 11:11:43,275 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 11:11:43,276 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 11:11:43,293 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 11:11:43,294 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 11:11:43,294 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 11:11:43,294 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 11:11:43,294 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 11:11:43,294 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 11:11:43,295 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 11:11:43,295 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 11:11:43,295 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 11:11:43,295 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 11:11:43,295 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 11:11:43,295 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 11:11:43,295 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 11:11:43,295 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 11:11:43,295 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 11:11:43,295 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 11:11:43,296 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 11:11:43,296 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 11:11:43,296 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 11:11:43,296 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 11:11:43,296 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 11:11:43,296 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 11:11:43,296 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 11:11:43,296 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 11:11:43,296 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 11:11:43,296 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 11:11:43,296 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 11:11:43,296 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 11:11:43,297 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 11:11:43,297 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 11:11:43,297 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 11:11:43,297 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 11:11:43,297 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 11:11:43,297 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 11:11:43,297 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 11:11:43,297 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 11:11:43,297 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 11:11:43,297 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 -> e3a76f807fc9c2a37c532c45ab535186eee246a575f654c442cd7dc3cd31ff44 [2025-02-08 11:11:43,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 11:11:43,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 11:11:43,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 11:11:43,524 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 11:11:43,525 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 11:11:43,526 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_13_bad.i [2025-02-08 11:11:44,625 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1e14de0c6/bf69e92979ec4145aefbf665eb13b61d/FLAGc33d6875f [2025-02-08 11:11:45,022 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 11:11:45,022 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_13_bad.i [2025-02-08 11:11:45,042 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1e14de0c6/bf69e92979ec4145aefbf665eb13b61d/FLAGc33d6875f [2025-02-08 11:11:45,190 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1e14de0c6/bf69e92979ec4145aefbf665eb13b61d [2025-02-08 11:11:45,192 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 11:11:45,193 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 11:11:45,195 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 11:11:45,196 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 11:11:45,199 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 11:11:45,200 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 11:11:45" (1/1) ... [2025-02-08 11:11:45,202 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@617ec9ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:11:45, skipping insertion in model container [2025-02-08 11:11:45,202 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 11:11:45" (1/1) ... [2025-02-08 11:11:45,243 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 11:11:45,755 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 11:11:45,762 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 11:11:45,818 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 11:11:45,881 INFO L204 MainTranslator]: Completed translation [2025-02-08 11:11:45,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:11:45 WrapperNode [2025-02-08 11:11:45,882 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 11:11:45,882 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 11:11:45,883 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 11:11:45,883 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 11:11:45,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:11:45" (1/1) ... [2025-02-08 11:11:45,900 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:11:45" (1/1) ... [2025-02-08 11:11:45,914 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 63 [2025-02-08 11:11:45,914 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 11:11:45,914 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 11:11:45,915 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 11:11:45,915 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 11:11:45,920 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:11:45" (1/1) ... [2025-02-08 11:11:45,921 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:11:45" (1/1) ... [2025-02-08 11:11:45,922 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:11:45" (1/1) ... [2025-02-08 11:11:45,932 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]. [2025-02-08 11:11:45,932 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:11:45" (1/1) ... [2025-02-08 11:11:45,932 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:11:45" (1/1) ... [2025-02-08 11:11:45,935 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:11:45" (1/1) ... [2025-02-08 11:11:45,935 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:11:45" (1/1) ... [2025-02-08 11:11:45,939 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:11:45" (1/1) ... [2025-02-08 11:11:45,940 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:11:45" (1/1) ... [2025-02-08 11:11:45,944 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 11:11:45,945 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 11:11:45,945 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 11:11:45,945 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 11:11:45,946 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:11:45" (1/1) ... [2025-02-08 11:11:45,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 11:11:45,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 11:11:45,969 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) [2025-02-08 11:11:45,971 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 [2025-02-08 11:11:45,986 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2025-02-08 11:11:45,986 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2025-02-08 11:11:45,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 11:11:45,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 11:11:45,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 11:11:45,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 11:11:46,095 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 11:11:46,100 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 11:11:46,191 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2025-02-08 11:11:46,191 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 11:11:46,197 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 11:11:46,198 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 11:11:46,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 11:11:46 BoogieIcfgContainer [2025-02-08 11:11:46,198 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 11:11:46,200 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 11:11:46,200 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 11:11:46,206 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 11:11:46,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 11:11:45" (1/3) ... [2025-02-08 11:11:46,207 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e49da82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 11:11:46, skipping insertion in model container [2025-02-08 11:11:46,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:11:45" (2/3) ... [2025-02-08 11:11:46,207 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e49da82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 11:11:46, skipping insertion in model container [2025-02-08 11:11:46,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 11:11:46" (3/3) ... [2025-02-08 11:11:46,208 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_postinc_13_bad.i [2025-02-08 11:11:46,223 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 11:11:46,224 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_postinc_13_bad.i that has 2 procedures, 21 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2025-02-08 11:11:46,258 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 11:11:46,266 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;@7866eca0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 11:11:46,267 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-02-08 11:11:46,270 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 17 states have internal predecessors, (20), 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) [2025-02-08 11:11:46,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-02-08 11:11:46,276 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 11:11:46,277 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 11:11:46,278 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-02-08 11:11:46,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 11:11:46,282 INFO L85 PathProgramCache]: Analyzing trace with hash 412552476, now seen corresponding path program 1 times [2025-02-08 11:11:46,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 11:11:46,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93876338] [2025-02-08 11:11:46,288 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 11:11:46,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 11:11:46,352 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-08 11:11:46,363 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-08 11:11:46,363 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 11:11:46,363 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 11:11:46,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 11:11:46,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 11:11:46,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93876338] [2025-02-08 11:11:46,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93876338] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 11:11:46,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 11:11:46,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 11:11:46,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349318167] [2025-02-08 11:11:46,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 11:11:46,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 11:11:46,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 11:11:46,473 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 11:11:46,474 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 11:11:46,475 INFO L87 Difference]: Start difference. First operand has 21 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 17 states have internal predecessors, (20), 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 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2025-02-08 11:11:46,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 11:11:46,492 INFO L93 Difference]: Finished difference Result 35 states and 41 transitions. [2025-02-08 11:11:46,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 11:11:46,495 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 10 [2025-02-08 11:11:46,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 11:11:46,501 INFO L225 Difference]: With dead ends: 35 [2025-02-08 11:11:46,501 INFO L226 Difference]: Without dead ends: 16 [2025-02-08 11:11:46,503 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 [2025-02-08 11:11:46,505 INFO L435 NwaCegarLoop]: 22 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, 22 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 [2025-02-08 11:11:46,505 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 22 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 11:11:46,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2025-02-08 11:11:46,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2025-02-08 11:11:46,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 13 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 11:11:46,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2025-02-08 11:11:46,531 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 10 [2025-02-08 11:11:46,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 11:11:46,532 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2025-02-08 11:11:46,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2025-02-08 11:11:46,532 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2025-02-08 11:11:46,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-02-08 11:11:46,533 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 11:11:46,533 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 11:11:46,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 11:11:46,533 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-02-08 11:11:46,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 11:11:46,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1325107290, now seen corresponding path program 1 times [2025-02-08 11:11:46,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 11:11:46,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240824370] [2025-02-08 11:11:46,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 11:11:46,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 11:11:46,555 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-08 11:11:46,563 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-08 11:11:46,564 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 11:11:46,564 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 11:11:46,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 11:11:46,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 11:11:46,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240824370] [2025-02-08 11:11:46,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240824370] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 11:11:46,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 11:11:46,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 11:11:46,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53571993] [2025-02-08 11:11:46,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 11:11:46,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 11:11:46,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 11:11:46,666 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 11:11:46,666 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 11:11:46,666 INFO L87 Difference]: Start difference. First operand 16 states and 18 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 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) [2025-02-08 11:11:46,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 11:11:46,677 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions. [2025-02-08 11:11:46,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 11:11:46,677 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 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 [2025-02-08 11:11:46,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 11:11:46,678 INFO L225 Difference]: With dead ends: 16 [2025-02-08 11:11:46,678 INFO L226 Difference]: Without dead ends: 15 [2025-02-08 11:11:46,678 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 11:11:46,679 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 3 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 11:11:46,679 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 35 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 11:11:46,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2025-02-08 11:11:46,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2025-02-08 11:11:46,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 12 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 11:11:46,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2025-02-08 11:11:46,682 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 12 [2025-02-08 11:11:46,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 11:11:46,682 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2025-02-08 11:11:46,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 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) [2025-02-08 11:11:46,682 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2025-02-08 11:11:46,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-02-08 11:11:46,683 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 11:11:46,683 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 11:11:46,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 11:11:46,683 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-02-08 11:11:46,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 11:11:46,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1871346993, now seen corresponding path program 1 times [2025-02-08 11:11:46,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 11:11:46,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164870858] [2025-02-08 11:11:46,684 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 11:11:46,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 11:11:46,701 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-08 11:11:46,713 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-08 11:11:46,713 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 11:11:46,713 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 11:11:46,713 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 11:11:46,716 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-08 11:11:46,721 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-08 11:11:46,722 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 11:11:46,722 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 11:11:46,738 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 11:11:46,738 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-08 11:11:46,739 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2025-02-08 11:11:46,740 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2025-02-08 11:11:46,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 11:11:46,743 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-02-08 11:11:46,758 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 11:11:46,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 11:11:46 BoogieIcfgContainer [2025-02-08 11:11:46,763 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 11:11:46,763 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 11:11:46,764 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 11:11:46,764 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 11:11:46,765 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 11:11:46" (3/4) ... [2025-02-08 11:11:46,767 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-08 11:11:46,767 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 11:11:46,768 INFO L158 Benchmark]: Toolchain (without parser) took 1574.66ms. Allocated memory is still 142.6MB. Free memory was 101.8MB in the beginning and 53.0MB in the end (delta: 48.8MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB. [2025-02-08 11:11:46,768 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 126.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 11:11:46,768 INFO L158 Benchmark]: CACSL2BoogieTranslator took 686.81ms. Allocated memory is still 142.6MB. Free memory was 101.8MB in the beginning and 43.7MB in the end (delta: 58.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-02-08 11:11:46,772 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.57ms. Allocated memory is still 142.6MB. Free memory was 43.7MB in the beginning and 40.5MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 11:11:46,773 INFO L158 Benchmark]: Boogie Preprocessor took 29.84ms. Allocated memory is still 142.6MB. Free memory was 40.5MB in the beginning and 39.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 11:11:46,773 INFO L158 Benchmark]: IcfgBuilder took 253.45ms. Allocated memory is still 142.6MB. Free memory was 39.4MB in the beginning and 94.9MB in the end (delta: -55.5MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2025-02-08 11:11:46,773 INFO L158 Benchmark]: TraceAbstraction took 562.76ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 53.0MB in the end (delta: 41.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-02-08 11:11:46,773 INFO L158 Benchmark]: Witness Printer took 3.98ms. Allocated memory is still 142.6MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 11:11:46,774 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 126.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 686.81ms. Allocated memory is still 142.6MB. Free memory was 101.8MB in the beginning and 43.7MB in the end (delta: 58.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.57ms. Allocated memory is still 142.6MB. Free memory was 43.7MB in the beginning and 40.5MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.84ms. Allocated memory is still 142.6MB. Free memory was 40.5MB in the beginning and 39.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 253.45ms. Allocated memory is still 142.6MB. Free memory was 39.4MB in the beginning and 94.9MB in the end (delta: -55.5MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * TraceAbstraction took 562.76ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 53.0MB in the end (delta: 41.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 3.98ms. Allocated memory is still 142.6MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1569]: 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); [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_postinc_13_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 GLOBAL_CONST_FIVE==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 GLOBAL_CONST_FIVE==5 [L1569] data++ 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: 1569]: 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, 21 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, 25 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 57 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 36 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 7, 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 38 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 [2025-02-08 11:11:46,787 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_postinc_13_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 e3a76f807fc9c2a37c532c45ab535186eee246a575f654c442cd7dc3cd31ff44 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 11:11:48,653 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 11:11:48,765 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2025-02-08 11:11:48,770 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 11:11:48,770 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 11:11:48,770 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2025-02-08 11:11:48,793 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 11:11:48,794 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 11:11:48,795 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 11:11:48,795 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 11:11:48,796 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 11:11:48,796 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 11:11:48,796 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 11:11:48,796 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 11:11:48,796 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 11:11:48,796 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 11:11:48,797 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 11:11:48,797 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 11:11:48,797 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 11:11:48,797 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 11:11:48,797 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 11:11:48,798 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 11:11:48,798 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-08 11:11:48,798 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-08 11:11:48,798 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 11:11:48,798 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-08 11:11:48,798 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 11:11:48,798 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 11:11:48,798 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 11:11:48,798 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 11:11:48,798 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 11:11:48,799 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 11:11:48,799 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 11:11:48,799 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 11:11:48,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 11:11:48,799 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 11:11:48,799 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 11:11:48,799 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 11:11:48,799 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 11:11:48,800 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-08 11:11:48,800 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-08 11:11:48,800 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 11:11:48,800 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 11:11:48,800 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 11:11:48,800 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 11:11:48,800 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 -> e3a76f807fc9c2a37c532c45ab535186eee246a575f654c442cd7dc3cd31ff44 [2025-02-08 11:11:49,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 11:11:49,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 11:11:49,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 11:11:49,074 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 11:11:49,074 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 11:11:49,075 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_13_bad.i [2025-02-08 11:11:50,252 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/15d9f3c5a/e8b3a33ced874c49a159f68929898ba4/FLAGca0f3ca29 [2025-02-08 11:11:50,551 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 11:11:50,552 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_13_bad.i [2025-02-08 11:11:50,574 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/15d9f3c5a/e8b3a33ced874c49a159f68929898ba4/FLAGca0f3ca29 [2025-02-08 11:11:50,593 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/15d9f3c5a/e8b3a33ced874c49a159f68929898ba4 [2025-02-08 11:11:50,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 11:11:50,596 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 11:11:50,598 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 11:11:50,598 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 11:11:50,601 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 11:11:50,602 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 11:11:50" (1/1) ... [2025-02-08 11:11:50,602 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2201fb3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:11:50, skipping insertion in model container [2025-02-08 11:11:50,604 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 11:11:50" (1/1) ... [2025-02-08 11:11:50,644 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 11:11:51,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 11:11:51,185 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 11:11:51,257 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 11:11:51,358 INFO L204 MainTranslator]: Completed translation [2025-02-08 11:11:51,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:11:51 WrapperNode [2025-02-08 11:11:51,359 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 11:11:51,360 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 11:11:51,360 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 11:11:51,360 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 11:11:51,364 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:11:51" (1/1) ... [2025-02-08 11:11:51,387 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:11:51" (1/1) ... [2025-02-08 11:11:51,404 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2025-02-08 11:11:51,406 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 11:11:51,407 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 11:11:51,407 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 11:11:51,408 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 11:11:51,413 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:11:51" (1/1) ... [2025-02-08 11:11:51,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:11:51" (1/1) ... [2025-02-08 11:11:51,415 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:11:51" (1/1) ... [2025-02-08 11:11:51,423 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]. [2025-02-08 11:11:51,424 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:11:51" (1/1) ... [2025-02-08 11:11:51,424 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:11:51" (1/1) ... [2025-02-08 11:11:51,429 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:11:51" (1/1) ... [2025-02-08 11:11:51,432 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:11:51" (1/1) ... [2025-02-08 11:11:51,435 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:11:51" (1/1) ... [2025-02-08 11:11:51,436 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:11:51" (1/1) ... [2025-02-08 11:11:51,439 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 11:11:51,440 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 11:11:51,440 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 11:11:51,440 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 11:11:51,440 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:11:51" (1/1) ... [2025-02-08 11:11:51,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 11:11:51,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 11:11:51,468 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) [2025-02-08 11:11:51,475 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 [2025-02-08 11:11:51,490 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2025-02-08 11:11:51,491 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2025-02-08 11:11:51,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-08 11:11:51,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 11:11:51,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 11:11:51,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 11:11:51,606 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 11:11:51,608 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 11:11:51,726 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2025-02-08 11:11:51,726 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 11:11:51,736 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 11:11:51,736 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 11:11:51,736 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 11:11:51 BoogieIcfgContainer [2025-02-08 11:11:51,736 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 11:11:51,738 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 11:11:51,738 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 11:11:51,742 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 11:11:51,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 11:11:50" (1/3) ... [2025-02-08 11:11:51,742 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c01badb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 11:11:51, skipping insertion in model container [2025-02-08 11:11:51,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:11:51" (2/3) ... [2025-02-08 11:11:51,743 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c01badb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 11:11:51, skipping insertion in model container [2025-02-08 11:11:51,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 11:11:51" (3/3) ... [2025-02-08 11:11:51,743 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_postinc_13_bad.i [2025-02-08 11:11:51,753 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 11:11:51,754 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_postinc_13_bad.i that has 2 procedures, 21 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2025-02-08 11:11:51,786 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 11:11:51,795 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;@73d37de9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 11:11:51,796 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-02-08 11:11:51,798 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 17 states have internal predecessors, (20), 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) [2025-02-08 11:11:51,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-02-08 11:11:51,802 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 11:11:51,802 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 11:11:51,803 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-02-08 11:11:51,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 11:11:51,806 INFO L85 PathProgramCache]: Analyzing trace with hash 412552476, now seen corresponding path program 1 times [2025-02-08 11:11:51,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 11:11:51,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1378453318] [2025-02-08 11:11:51,813 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 11:11:51,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 11:11:51,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 11:11:51,815 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) [2025-02-08 11:11:51,816 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 [2025-02-08 11:11:51,891 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-08 11:11:51,904 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-08 11:11:51,904 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 11:11:51,905 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 11:11:51,906 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-08 11:11:51,909 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 11:11:51,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 11:11:51,927 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 11:11:51,928 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 11:11:51,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1378453318] [2025-02-08 11:11:51,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1378453318] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 11:11:51,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 11:11:51,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 11:11:51,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068404509] [2025-02-08 11:11:51,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 11:11:51,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 11:11:51,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 11:11:51,969 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 11:11:51,970 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 11:11:51,971 INFO L87 Difference]: Start difference. First operand has 21 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 17 states have internal predecessors, (20), 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 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2025-02-08 11:11:51,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 11:11:51,980 INFO L93 Difference]: Finished difference Result 21 states and 26 transitions. [2025-02-08 11:11:51,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 11:11:51,981 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 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 10 [2025-02-08 11:11:51,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 11:11:51,984 INFO L225 Difference]: With dead ends: 21 [2025-02-08 11:11:51,984 INFO L226 Difference]: Without dead ends: 15 [2025-02-08 11:11:51,986 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 11:11:51,987 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 11:11:51,988 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 11:11:51,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2025-02-08 11:11:52,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2025-02-08 11:11:52,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 11:11:52,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2025-02-08 11:11:52,012 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 18 transitions. Word has length 10 [2025-02-08 11:11:52,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 11:11:52,013 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 18 transitions. [2025-02-08 11:11:52,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2025-02-08 11:11:52,013 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2025-02-08 11:11:52,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-02-08 11:11:52,014 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 11:11:52,014 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 11:11:52,021 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-08 11:11:52,215 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 [2025-02-08 11:11:52,215 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-02-08 11:11:52,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 11:11:52,215 INFO L85 PathProgramCache]: Analyzing trace with hash -95775155, now seen corresponding path program 1 times [2025-02-08 11:11:52,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 11:11:52,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1915035496] [2025-02-08 11:11:52,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 11:11:52,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 11:11:52,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 11:11:52,218 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) [2025-02-08 11:11:52,219 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 [2025-02-08 11:11:52,263 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-08 11:11:52,272 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-08 11:11:52,272 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 11:11:52,272 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 11:11:52,273 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-08 11:11:52,274 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 11:11:52,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 11:11:52,307 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 11:11:52,308 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-08 11:11:52,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915035496] [2025-02-08 11:11:52,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1915035496] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 11:11:52,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 11:11:52,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 11:11:52,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055431304] [2025-02-08 11:11:52,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 11:11:52,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 11:11:52,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-08 11:11:52,309 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 11:11:52,309 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 11:11:52,309 INFO L87 Difference]: Start difference. First operand 15 states and 18 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 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) [2025-02-08 11:11:52,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 11:11:52,318 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2025-02-08 11:11:52,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 11:11:52,319 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 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 11 [2025-02-08 11:11:52,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 11:11:52,319 INFO L225 Difference]: With dead ends: 19 [2025-02-08 11:11:52,319 INFO L226 Difference]: Without dead ends: 15 [2025-02-08 11:11:52,320 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 11:11:52,320 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 10 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 11:11:52,320 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 15 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 11:11:52,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2025-02-08 11:11:52,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2025-02-08 11:11:52,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 12 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 11:11:52,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2025-02-08 11:11:52,323 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 11 [2025-02-08 11:11:52,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 11:11:52,324 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2025-02-08 11:11:52,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 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) [2025-02-08 11:11:52,324 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2025-02-08 11:11:52,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-02-08 11:11:52,325 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 11:11:52,325 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 11:11:52,333 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-08 11:11:52,529 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 [2025-02-08 11:11:52,529 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-02-08 11:11:52,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 11:11:52,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1871346993, now seen corresponding path program 1 times [2025-02-08 11:11:52,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-08 11:11:52,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1900827460] [2025-02-08 11:11:52,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 11:11:52,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 11:11:52,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 11:11:52,533 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) [2025-02-08 11:11:52,537 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 [2025-02-08 11:11:52,595 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-08 11:11:52,612 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-08 11:11:52,613 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 11:11:52,613 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 11:11:52,613 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 11:11:52,623 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-08 11:11:52,630 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-08 11:11:52,631 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 11:11:52,631 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 11:11:52,647 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2025-02-08 11:11:52,649 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-08 11:11:52,650 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2025-02-08 11:11:52,652 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2025-02-08 11:11:52,659 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-08 11:11:52,852 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 [2025-02-08 11:11:52,855 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-02-08 11:11:52,867 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 11:11:52,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 11:11:52 BoogieIcfgContainer [2025-02-08 11:11:52,869 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 11:11:52,870 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 11:11:52,870 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 11:11:52,870 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 11:11:52,871 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 11:11:51" (3/4) ... [2025-02-08 11:11:52,872 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-08 11:11:52,872 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 11:11:52,873 INFO L158 Benchmark]: Toolchain (without parser) took 2276.91ms. Allocated memory is still 117.4MB. Free memory was 87.4MB in the beginning and 63.8MB in the end (delta: 23.6MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2025-02-08 11:11:52,873 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 83.9MB. Free memory is still 61.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 11:11:52,873 INFO L158 Benchmark]: CACSL2BoogieTranslator took 761.57ms. Allocated memory is still 117.4MB. Free memory was 87.3MB in the beginning and 77.2MB in the end (delta: 10.1MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. [2025-02-08 11:11:52,873 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.95ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 74.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 11:11:52,873 INFO L158 Benchmark]: Boogie Preprocessor took 32.06ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 71.6MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 11:11:52,874 INFO L158 Benchmark]: IcfgBuilder took 297.00ms. Allocated memory is still 117.4MB. Free memory was 71.6MB in the beginning and 57.7MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 11:11:52,874 INFO L158 Benchmark]: TraceAbstraction took 1131.74ms. Allocated memory is still 117.4MB. Free memory was 57.7MB in the beginning and 63.8MB in the end (delta: -6.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 11:11:52,874 INFO L158 Benchmark]: Witness Printer took 2.57ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 63.8MB in the end (delta: 7.0kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 11:11:52,875 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 83.9MB. Free memory is still 61.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 761.57ms. Allocated memory is still 117.4MB. Free memory was 87.3MB in the beginning and 77.2MB in the end (delta: 10.1MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.95ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 74.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.06ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 71.6MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 297.00ms. Allocated memory is still 117.4MB. Free memory was 71.6MB in the beginning and 57.7MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1131.74ms. Allocated memory is still 117.4MB. Free memory was 57.7MB in the beginning and 63.8MB in the end (delta: -6.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.57ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 63.8MB in the end (delta: 7.0kB). 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: 1569]: 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); [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_postinc_13_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 GLOBAL_CONST_FIVE==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 GLOBAL_CONST_FIVE==5 [L1569] data++ 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: 1569]: 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, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 40 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 33 SizeOfPredicates, 0 NumberOfNonLiveVariables, 83 ConjunctsInSsa, 3 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 [2025-02-08 11:11:52,889 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