./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_63_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_63_good.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 409a9820fb4d3cc9308ba28ec76c8be93a220c401b0eb1830191194b2c8eb649 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 05:50:22,467 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 05:50:22,529 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-03-09 05:50:22,532 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 05:50:22,533 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 05:50:22,562 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 05:50:22,563 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 05:50:22,563 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 05:50:22,563 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 05:50:22,563 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 05:50:22,563 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 05:50:22,564 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 05:50:22,564 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 05:50:22,564 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 05:50:22,564 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 05:50:22,564 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 05:50:22,564 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 05:50:22,564 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 05:50:22,564 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 05:50:22,564 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 05:50:22,564 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 05:50:22,564 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 05:50:22,564 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 05:50:22,564 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 05:50:22,564 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 05:50:22,565 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 05:50:22,565 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 05:50:22,565 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 05:50:22,565 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 05:50:22,565 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 05:50:22,565 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 05:50:22,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 05:50:22,565 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 05:50:22,565 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 05:50:22,565 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 05:50:22,565 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 05:50:22,565 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 05:50:22,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 05:50:22,565 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 05:50:22,565 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 05:50:22,565 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 05:50:22,565 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 05:50:22,566 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 409a9820fb4d3cc9308ba28ec76c8be93a220c401b0eb1830191194b2c8eb649 [2025-03-09 05:50:22,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 05:50:22,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 05:50:22,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 05:50:22,826 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 05:50:22,826 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 05:50:22,827 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_63_good.i [2025-03-09 05:50:23,942 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/558d7d713/74a9356f019647b595bcbfb58afab8e8/FLAG720d09e06 [2025-03-09 05:50:24,301 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 05:50:24,301 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_63_good.i [2025-03-09 05:50:24,320 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/558d7d713/74a9356f019647b595bcbfb58afab8e8/FLAG720d09e06 [2025-03-09 05:50:24,528 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/558d7d713/74a9356f019647b595bcbfb58afab8e8 [2025-03-09 05:50:24,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 05:50:24,532 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 05:50:24,534 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 05:50:24,537 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 05:50:24,540 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 05:50:24,541 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 05:50:24" (1/1) ... [2025-03-09 05:50:24,541 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23c68674 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:50:24, skipping insertion in model container [2025-03-09 05:50:24,541 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 05:50:24" (1/1) ... [2025-03-09 05:50:24,587 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 05:50:25,055 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 05:50:25,061 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 05:50:25,144 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 05:50:25,215 INFO L204 MainTranslator]: Completed translation [2025-03-09 05:50:25,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:50:25 WrapperNode [2025-03-09 05:50:25,216 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 05:50:25,216 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 05:50:25,216 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 05:50:25,217 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 05:50:25,221 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:50:25" (1/1) ... [2025-03-09 05:50:25,237 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:50:25" (1/1) ... [2025-03-09 05:50:25,252 INFO L138 Inliner]: procedures = 501, calls = 40, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 122 [2025-03-09 05:50:25,252 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 05:50:25,252 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 05:50:25,253 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 05:50:25,253 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 05:50:25,258 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:50:25" (1/1) ... [2025-03-09 05:50:25,259 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:50:25" (1/1) ... [2025-03-09 05:50:25,261 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:50:25" (1/1) ... [2025-03-09 05:50:25,277 INFO L175 MemorySlicer]: Split 6 memory accesses to 2 slices as follows [3, 3]. 50 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 4 writes are split as follows [2, 2]. [2025-03-09 05:50:25,277 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:50:25" (1/1) ... [2025-03-09 05:50:25,277 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:50:25" (1/1) ... [2025-03-09 05:50:25,283 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:50:25" (1/1) ... [2025-03-09 05:50:25,284 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:50:25" (1/1) ... [2025-03-09 05:50:25,285 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:50:25" (1/1) ... [2025-03-09 05:50:25,285 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:50:25" (1/1) ... [2025-03-09 05:50:25,293 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 05:50:25,294 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 05:50:25,294 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 05:50:25,294 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 05:50:25,295 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:50:25" (1/1) ... [2025-03-09 05:50:25,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 05:50:25,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 05:50:25,325 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-09 05:50:25,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-09 05:50:25,346 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2025-03-09 05:50:25,347 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2025-03-09 05:50:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2025-03-09 05:50:25,347 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2025-03-09 05:50:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-09 05:50:25,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-09 05:50:25,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-09 05:50:25,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 05:50:25,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 05:50:25,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 05:50:25,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-09 05:50:25,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-09 05:50:25,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-09 05:50:25,497 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 05:50:25,498 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 05:50:25,680 INFO L? ?]: Removed 67 outVars from TransFormulas that were not future-live. [2025-03-09 05:50:25,680 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 05:50:25,702 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 05:50:25,702 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 05:50:25,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 05:50:25 BoogieIcfgContainer [2025-03-09 05:50:25,703 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 05:50:25,705 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 05:50:25,706 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 05:50:25,709 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 05:50:25,709 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 05:50:24" (1/3) ... [2025-03-09 05:50:25,711 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c013332 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 05:50:25, skipping insertion in model container [2025-03-09 05:50:25,711 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:50:25" (2/3) ... [2025-03-09 05:50:25,713 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c013332 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 05:50:25, skipping insertion in model container [2025-03-09 05:50:25,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 05:50:25" (3/3) ... [2025-03-09 05:50:25,714 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_predec_63_good.i [2025-03-09 05:50:25,724 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 05:50:25,726 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_rand_predec_63_good.i that has 3 procedures, 57 locations, 1 initial locations, 0 loop locations, and 4 error locations. [2025-03-09 05:50:25,771 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 05:50:25,779 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;@202f189, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 05:50:25,779 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-03-09 05:50:25,782 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 45 states have (on average 1.4222222222222223) internal successors, (64), 50 states have internal predecessors, (64), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-09 05:50:25,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-03-09 05:50:25,785 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 05:50:25,786 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 05:50:25,786 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-03-09 05:50:25,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 05:50:25,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1814520991, now seen corresponding path program 1 times [2025-03-09 05:50:25,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 05:50:25,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100193287] [2025-03-09 05:50:25,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:50:25,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 05:50:25,857 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-09 05:50:25,884 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-09 05:50:25,884 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 05:50:25,884 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:50:26,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 05:50:26,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 05:50:26,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100193287] [2025-03-09 05:50:26,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100193287] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 05:50:26,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 05:50:26,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 05:50:26,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357282216] [2025-03-09 05:50:26,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 05:50:26,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 05:50:26,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 05:50:26,141 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 05:50:26,141 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 05:50:26,142 INFO L87 Difference]: Start difference. First operand has 57 states, 45 states have (on average 1.4222222222222223) internal successors, (64), 50 states have internal predecessors, (64), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-09 05:50:26,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 05:50:26,165 INFO L93 Difference]: Finished difference Result 57 states and 74 transitions. [2025-03-09 05:50:26,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 05:50:26,166 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 9 [2025-03-09 05:50:26,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 05:50:26,170 INFO L225 Difference]: With dead ends: 57 [2025-03-09 05:50:26,170 INFO L226 Difference]: Without dead ends: 45 [2025-03-09 05:50:26,172 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 05:50:26,173 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 1 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 05:50:26,173 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 130 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 05:50:26,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2025-03-09 05:50:26,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2025-03-09 05:50:26,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 40 states have internal predecessors, (54), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 05:50:26,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 58 transitions. [2025-03-09 05:50:26,196 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 58 transitions. Word has length 9 [2025-03-09 05:50:26,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 05:50:26,196 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 58 transitions. [2025-03-09 05:50:26,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-09 05:50:26,196 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 58 transitions. [2025-03-09 05:50:26,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-03-09 05:50:26,196 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 05:50:26,197 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 05:50:26,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-09 05:50:26,197 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-03-09 05:50:26,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 05:50:26,197 INFO L85 PathProgramCache]: Analyzing trace with hash 415575908, now seen corresponding path program 1 times [2025-03-09 05:50:26,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 05:50:26,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619061527] [2025-03-09 05:50:26,197 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:50:26,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 05:50:26,210 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-09 05:50:26,216 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-09 05:50:26,216 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 05:50:26,216 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:50:26,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 05:50:26,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 05:50:26,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619061527] [2025-03-09 05:50:26,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619061527] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 05:50:26,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 05:50:26,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 05:50:26,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148477718] [2025-03-09 05:50:26,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 05:50:26,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 05:50:26,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 05:50:26,353 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 05:50:26,353 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 05:50:26,353 INFO L87 Difference]: Start difference. First operand 45 states and 58 transitions. Second operand has 3 states, 2 states have (on average 4.0) 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) [2025-03-09 05:50:26,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 05:50:26,377 INFO L93 Difference]: Finished difference Result 45 states and 58 transitions. [2025-03-09 05:50:26,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 05:50:26,377 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) 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 [2025-03-09 05:50:26,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 05:50:26,378 INFO L225 Difference]: With dead ends: 45 [2025-03-09 05:50:26,378 INFO L226 Difference]: Without dead ends: 44 [2025-03-09 05:50:26,378 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 05:50:26,378 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 0 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 05:50:26,378 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 05:50:26,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2025-03-09 05:50:26,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2025-03-09 05:50:26,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 38 states have (on average 1.394736842105263) internal successors, (53), 39 states have internal predecessors, (53), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 05:50:26,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 57 transitions. [2025-03-09 05:50:26,387 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 57 transitions. Word has length 10 [2025-03-09 05:50:26,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 05:50:26,387 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 57 transitions. [2025-03-09 05:50:26,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) 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) [2025-03-09 05:50:26,387 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2025-03-09 05:50:26,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-03-09 05:50:26,388 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 05:50:26,389 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 05:50:26,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-09 05:50:26,389 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-03-09 05:50:26,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 05:50:26,389 INFO L85 PathProgramCache]: Analyzing trace with hash 715278216, now seen corresponding path program 1 times [2025-03-09 05:50:26,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 05:50:26,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388547808] [2025-03-09 05:50:26,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:50:26,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 05:50:26,420 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-09 05:50:26,444 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-09 05:50:26,445 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 05:50:26,445 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:50:26,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 05:50:26,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 05:50:26,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388547808] [2025-03-09 05:50:26,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388547808] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 05:50:26,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 05:50:26,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 05:50:26,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142750105] [2025-03-09 05:50:26,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 05:50:26,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 05:50:26,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 05:50:26,479 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 05:50:26,480 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 05:50:26,480 INFO L87 Difference]: Start difference. First operand 44 states and 57 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 05:50:26,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 05:50:26,494 INFO L93 Difference]: Finished difference Result 44 states and 57 transitions. [2025-03-09 05:50:26,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 05:50:26,494 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2025-03-09 05:50:26,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 05:50:26,495 INFO L225 Difference]: With dead ends: 44 [2025-03-09 05:50:26,495 INFO L226 Difference]: Without dead ends: 43 [2025-03-09 05:50:26,495 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 05:50:26,495 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 1 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 05:50:26,496 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 98 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 05:50:26,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2025-03-09 05:50:26,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2025-03-09 05:50:26,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 38 states have (on average 1.368421052631579) internal successors, (52), 38 states have internal predecessors, (52), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-09 05:50:26,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 56 transitions. [2025-03-09 05:50:26,501 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 56 transitions. Word has length 25 [2025-03-09 05:50:26,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 05:50:26,502 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 56 transitions. [2025-03-09 05:50:26,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 05:50:26,502 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions. [2025-03-09 05:50:26,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-03-09 05:50:26,502 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 05:50:26,502 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 05:50:26,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-09 05:50:26,502 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-03-09 05:50:26,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 05:50:26,503 INFO L85 PathProgramCache]: Analyzing trace with hash 698788201, now seen corresponding path program 1 times [2025-03-09 05:50:26,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 05:50:26,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581634554] [2025-03-09 05:50:26,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:50:26,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 05:50:26,531 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-09 05:50:26,544 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-09 05:50:26,546 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 05:50:26,546 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:50:26,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 05:50:26,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 05:50:26,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581634554] [2025-03-09 05:50:26,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581634554] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 05:50:26,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 05:50:26,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 05:50:26,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948608025] [2025-03-09 05:50:26,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 05:50:26,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 05:50:26,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 05:50:26,729 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 05:50:26,729 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 05:50:26,729 INFO L87 Difference]: Start difference. First operand 43 states and 56 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 05:50:26,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 05:50:26,748 INFO L93 Difference]: Finished difference Result 43 states and 56 transitions. [2025-03-09 05:50:26,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 05:50:26,749 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2025-03-09 05:50:26,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 05:50:26,749 INFO L225 Difference]: With dead ends: 43 [2025-03-09 05:50:26,749 INFO L226 Difference]: Without dead ends: 0 [2025-03-09 05:50:26,750 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 05:50:26,751 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 0 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 05:50:26,751 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 05:50:26,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-09 05:50:26,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-09 05:50:26,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 05:50:26,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-09 05:50:26,755 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2025-03-09 05:50:26,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 05:50:26,755 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-09 05:50:26,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-09 05:50:26,755 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-09 05:50:26,755 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-09 05:50:26,757 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2025-03-09 05:50:26,757 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2025-03-09 05:50:26,757 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2025-03-09 05:50:26,757 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2025-03-09 05:50:26,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-09 05:50:26,763 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-03-09 05:50:26,765 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-09 05:50:26,782 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-09 05:50:26,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.03 05:50:26 BoogieIcfgContainer [2025-03-09 05:50:26,789 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-09 05:50:26,790 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-09 05:50:26,790 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-09 05:50:26,790 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-09 05:50:26,790 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 05:50:25" (3/4) ... [2025-03-09 05:50:26,792 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-09 05:50:26,801 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure printLine [2025-03-09 05:50:26,801 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure printIntLine [2025-03-09 05:50:26,804 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2025-03-09 05:50:26,804 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2025-03-09 05:50:26,805 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-09 05:50:26,869 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-09 05:50:26,869 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-09 05:50:26,869 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-09 05:50:26,870 INFO L158 Benchmark]: Toolchain (without parser) took 2337.89ms. Allocated memory is still 142.6MB. Free memory was 109.2MB in the beginning and 90.1MB in the end (delta: 19.1MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2025-03-09 05:50:26,870 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 226.5MB. Free memory is still 148.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 05:50:26,870 INFO L158 Benchmark]: CACSL2BoogieTranslator took 682.11ms. Allocated memory is still 142.6MB. Free memory was 109.2MB in the beginning and 50.0MB in the end (delta: 59.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-03-09 05:50:26,870 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.64ms. Allocated memory is still 142.6MB. Free memory was 50.0MB in the beginning and 47.1MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 05:50:26,870 INFO L158 Benchmark]: Boogie Preprocessor took 40.98ms. Allocated memory is still 142.6MB. Free memory was 47.1MB in the beginning and 44.9MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 05:50:26,870 INFO L158 Benchmark]: IcfgBuilder took 409.25ms. Allocated memory is still 142.6MB. Free memory was 44.9MB in the beginning and 94.6MB in the end (delta: -49.7MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2025-03-09 05:50:26,871 INFO L158 Benchmark]: TraceAbstraction took 1084.06ms. Allocated memory is still 142.6MB. Free memory was 93.8MB in the beginning and 97.0MB in the end (delta: -3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 05:50:26,871 INFO L158 Benchmark]: Witness Printer took 79.68ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 90.1MB in the end (delta: 6.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 05:50:26,872 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 226.5MB. Free memory is still 148.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 682.11ms. Allocated memory is still 142.6MB. Free memory was 109.2MB in the beginning and 50.0MB in the end (delta: 59.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.64ms. Allocated memory is still 142.6MB. Free memory was 50.0MB in the beginning and 47.1MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.98ms. Allocated memory is still 142.6MB. Free memory was 47.1MB in the beginning and 44.9MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 409.25ms. Allocated memory is still 142.6MB. Free memory was 44.9MB in the beginning and 94.6MB in the end (delta: -49.7MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1084.06ms. Allocated memory is still 142.6MB. Free memory was 93.8MB in the beginning and 97.0MB in the end (delta: -3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 79.68ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 90.1MB in the end (delta: 6.9MB). Peak memory consumption was 8.4MB. 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 - PositiveResult [Line: 1591]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1591]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1581]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1581]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 57 locations, 79 edges, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 425 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 209 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 216 mSDtfsCounter, 48 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=0, InterpolantAutomatonStates: 12, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 88 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-09 05:50:26,883 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE