./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_54_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_fgets_postdec_54_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 e6e3d722c897b2e18e21b8ebb0fdb8f78cdfb21fe4a7385b81915aa9ff7b1183 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 05:19:44,802 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 05:19:44,864 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-03-09 05:19:44,872 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 05:19:44,872 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 05:19:44,890 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 05:19:44,891 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 05:19:44,891 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 05:19:44,891 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 05:19:44,891 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 05:19:44,891 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 05:19:44,892 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 05:19:44,892 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 05:19:44,892 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 05:19:44,892 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 05:19:44,892 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 05:19:44,893 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 05:19:44,893 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 05:19:44,893 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 05:19:44,893 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 05:19:44,893 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 05:19:44,893 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 05:19:44,893 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 05:19:44,893 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 05:19:44,894 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 05:19:44,894 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 05:19:44,894 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 05:19:44,894 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 05:19:44,894 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 05:19:44,894 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 05:19:44,894 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 05:19:44,894 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 05:19:44,895 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 05:19:44,895 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 05:19:44,895 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 05:19:44,895 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 05:19:44,895 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 05:19:44,895 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 05:19:44,895 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 05:19:44,895 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 05:19:44,895 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 05:19:44,895 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 05:19:44,896 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 -> e6e3d722c897b2e18e21b8ebb0fdb8f78cdfb21fe4a7385b81915aa9ff7b1183 [2025-03-09 05:19:45,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 05:19:45,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 05:19:45,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 05:19:45,104 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 05:19:45,105 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 05:19:45,106 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_54_good.i [2025-03-09 05:19:46,274 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec9e4bab8/fd127657948148e1a29d8b43ed63eaf4/FLAG990121461 [2025-03-09 05:19:46,619 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 05:19:46,620 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_54_good.i [2025-03-09 05:19:46,637 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec9e4bab8/fd127657948148e1a29d8b43ed63eaf4/FLAG990121461 [2025-03-09 05:19:46,647 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec9e4bab8/fd127657948148e1a29d8b43ed63eaf4 [2025-03-09 05:19:46,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 05:19:46,651 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 05:19:46,652 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 05:19:46,652 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 05:19:46,655 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 05:19:46,655 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 05:19:46" (1/1) ... [2025-03-09 05:19:46,656 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72661622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:19:46, skipping insertion in model container [2025-03-09 05:19:46,656 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 05:19:46" (1/1) ... [2025-03-09 05:19:46,692 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 05:19:47,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 05:19:47,201 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 05:19:47,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 05:19:47,367 INFO L204 MainTranslator]: Completed translation [2025-03-09 05:19:47,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:19:47 WrapperNode [2025-03-09 05:19:47,367 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 05:19:47,368 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 05:19:47,368 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 05:19:47,368 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 05:19:47,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:19:47" (1/1) ... [2025-03-09 05:19:47,392 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:19:47" (1/1) ... [2025-03-09 05:19:47,412 INFO L138 Inliner]: procedures = 508, calls = 40, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 90 [2025-03-09 05:19:47,413 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 05:19:47,415 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 05:19:47,415 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 05:19:47,415 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 05:19:47,421 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:19:47" (1/1) ... [2025-03-09 05:19:47,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:19:47" (1/1) ... [2025-03-09 05:19:47,425 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:19:47" (1/1) ... [2025-03-09 05:19:47,435 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0]. [2025-03-09 05:19:47,435 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:19:47" (1/1) ... [2025-03-09 05:19:47,436 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:19:47" (1/1) ... [2025-03-09 05:19:47,439 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:19:47" (1/1) ... [2025-03-09 05:19:47,439 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:19:47" (1/1) ... [2025-03-09 05:19:47,440 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:19:47" (1/1) ... [2025-03-09 05:19:47,440 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:19:47" (1/1) ... [2025-03-09 05:19:47,442 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 05:19:47,443 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 05:19:47,443 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 05:19:47,443 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 05:19:47,443 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:19:47" (1/1) ... [2025-03-09 05:19:47,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 05:19:47,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 05:19:47,479 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 05:19:47,482 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 05:19:47,518 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2025-03-09 05:19:47,518 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2025-03-09 05:19:47,518 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2025-03-09 05:19:47,518 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2025-03-09 05:19:47,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 05:19:47,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 05:19:47,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 05:19:47,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 05:19:47,618 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 05:19:47,622 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 05:19:47,738 INFO L? ?]: Removed 40 outVars from TransFormulas that were not future-live. [2025-03-09 05:19:47,738 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 05:19:47,745 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 05:19:47,745 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 05:19:47,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 05:19:47 BoogieIcfgContainer [2025-03-09 05:19:47,746 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 05:19:47,747 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 05:19:47,747 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 05:19:47,751 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 05:19:47,751 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 05:19:46" (1/3) ... [2025-03-09 05:19:47,753 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e9abcc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 05:19:47, skipping insertion in model container [2025-03-09 05:19:47,753 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 05:19:47" (2/3) ... [2025-03-09 05:19:47,754 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e9abcc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 05:19:47, skipping insertion in model container [2025-03-09 05:19:47,754 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 05:19:47" (3/3) ... [2025-03-09 05:19:47,755 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_postdec_54_good.i [2025-03-09 05:19:47,768 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 05:19:47,769 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_fgets_postdec_54_good.i that has 3 procedures, 44 locations, 1 initial locations, 0 loop locations, and 4 error locations. [2025-03-09 05:19:47,808 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 05:19:47,816 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;@8d58cd5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 05:19:47,818 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-03-09 05:19:47,822 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 37 states have internal predecessors, (38), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-09 05:19:47,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-03-09 05:19:47,827 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 05:19:47,828 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 05:19:47,828 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 05:19:47,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 05:19:47,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1201410921, now seen corresponding path program 1 times [2025-03-09 05:19:47,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 05:19:47,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848838534] [2025-03-09 05:19:47,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:19:47,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 05:19:47,917 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-09 05:19:47,937 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-09 05:19:47,938 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 05:19:47,938 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:19:48,145 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 05:19:48,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 05:19:48,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848838534] [2025-03-09 05:19:48,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848838534] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 05:19:48,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 05:19:48,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 05:19:48,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963315882] [2025-03-09 05:19:48,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 05:19:48,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 05:19:48,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 05:19:48,166 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 05:19:48,167 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 05:19:48,168 INFO L87 Difference]: Start difference. First operand has 44 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 37 states have internal predecessors, (38), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) 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 05:19:48,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 05:19:48,190 INFO L93 Difference]: Finished difference Result 44 states and 50 transitions. [2025-03-09 05:19:48,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 05:19:48,192 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 05:19:48,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 05:19:48,196 INFO L225 Difference]: With dead ends: 44 [2025-03-09 05:19:48,196 INFO L226 Difference]: Without dead ends: 29 [2025-03-09 05:19:48,199 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 05:19:48,201 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 1 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 05:19:48,202 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 90 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 05:19:48,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2025-03-09 05:19:48,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2025-03-09 05:19:48,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 24 states have internal predecessors, (25), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-09 05:19:48,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2025-03-09 05:19:48,226 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 9 [2025-03-09 05:19:48,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 05:19:48,227 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2025-03-09 05:19:48,227 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 05:19:48,227 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2025-03-09 05:19:48,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-03-09 05:19:48,228 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 05:19:48,228 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 05:19:48,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-09 05:19:48,229 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 05:19:48,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 05:19:48,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1410967107, now seen corresponding path program 1 times [2025-03-09 05:19:48,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 05:19:48,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505248272] [2025-03-09 05:19:48,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:19:48,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 05:19:48,239 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-09 05:19:48,244 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-09 05:19:48,244 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 05:19:48,245 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:19:48,329 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 05:19:48,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 05:19:48,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505248272] [2025-03-09 05:19:48,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505248272] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 05:19:48,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 05:19:48,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 05:19:48,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134851714] [2025-03-09 05:19:48,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 05:19:48,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 05:19:48,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 05:19:48,330 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 05:19:48,330 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 05:19:48,331 INFO L87 Difference]: Start difference. First operand 29 states and 31 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 05:19:48,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 05:19:48,340 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2025-03-09 05:19:48,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 05:19:48,342 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 05:19:48,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 05:19:48,343 INFO L225 Difference]: With dead ends: 29 [2025-03-09 05:19:48,343 INFO L226 Difference]: Without dead ends: 28 [2025-03-09 05:19:48,343 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 05:19:48,343 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 05:19:48,345 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 54 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 05:19:48,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2025-03-09 05:19:48,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2025-03-09 05:19:48,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 23 states have internal predecessors, (24), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-09 05:19:48,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2025-03-09 05:19:48,352 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 10 [2025-03-09 05:19:48,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 05:19:48,352 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2025-03-09 05:19:48,353 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 05:19:48,353 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2025-03-09 05:19:48,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-03-09 05:19:48,353 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 05:19:48,353 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] [2025-03-09 05:19:48,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-09 05:19:48,354 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 05:19:48,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 05:19:48,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1502987447, now seen corresponding path program 1 times [2025-03-09 05:19:48,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 05:19:48,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101135597] [2025-03-09 05:19:48,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:19:48,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 05:19:48,374 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-03-09 05:19:48,381 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-03-09 05:19:48,385 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 05:19:48,385 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:19:48,552 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 05:19:48,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 05:19:48,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101135597] [2025-03-09 05:19:48,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101135597] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 05:19:48,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 05:19:48,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 05:19:48,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986577381] [2025-03-09 05:19:48,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 05:19:48,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 05:19:48,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 05:19:48,555 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 05:19:48,555 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 05:19:48,556 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 05:19:48,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 05:19:48,566 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2025-03-09 05:19:48,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 05:19:48,566 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 24 [2025-03-09 05:19:48,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 05:19:48,567 INFO L225 Difference]: With dead ends: 28 [2025-03-09 05:19:48,568 INFO L226 Difference]: Without dead ends: 27 [2025-03-09 05:19:48,568 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 [2025-03-09 05:19:48,568 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 1 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 05:19:48,569 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 52 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 05:19:48,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2025-03-09 05:19:48,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2025-03-09 05:19:48,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 22 states have internal predecessors, (23), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-09 05:19:48,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2025-03-09 05:19:48,575 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 24 [2025-03-09 05:19:48,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 05:19:48,575 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2025-03-09 05:19:48,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 05:19:48,575 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2025-03-09 05:19:48,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-03-09 05:19:48,576 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 05:19:48,576 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 05:19:48,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-09 05:19:48,576 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 05:19:48,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 05:19:48,577 INFO L85 PathProgramCache]: Analyzing trace with hash -652029411, now seen corresponding path program 1 times [2025-03-09 05:19:48,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 05:19:48,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952776512] [2025-03-09 05:19:48,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 05:19:48,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 05:19:48,592 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-09 05:19:48,598 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-09 05:19:48,600 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 05:19:48,600 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 05:19:48,722 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 05:19:48,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 05:19:48,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952776512] [2025-03-09 05:19:48,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952776512] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 05:19:48,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 05:19:48,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 05:19:48,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891487053] [2025-03-09 05:19:48,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 05:19:48,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-09 05:19:48,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 05:19:48,725 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-09 05:19:48,725 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-09 05:19:48,726 INFO L87 Difference]: Start difference. First operand 27 states and 29 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 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 05:19:48,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 05:19:48,743 INFO L93 Difference]: Finished difference Result 27 states and 29 transitions. [2025-03-09 05:19:48,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-09 05:19:48,744 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 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 05:19:48,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 05:19:48,744 INFO L225 Difference]: With dead ends: 27 [2025-03-09 05:19:48,745 INFO L226 Difference]: Without dead ends: 0 [2025-03-09 05:19:48,745 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-09 05:19:48,746 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 1 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 05:19:48,746 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 96 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 05:19:48,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-09 05:19:48,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-09 05:19:48,747 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 05:19:48,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-09 05:19:48,747 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2025-03-09 05:19:48,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 05:19:48,747 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-09 05:19:48,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 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 05:19:48,747 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-09 05:19:48,747 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-09 05:19:48,749 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2025-03-09 05:19:48,749 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2025-03-09 05:19:48,749 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2025-03-09 05:19:48,749 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2025-03-09 05:19:48,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-09 05:19:48,751 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-03-09 05:19:48,752 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-09 05:19:48,768 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-09 05:19:48,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.03 05:19:48 BoogieIcfgContainer [2025-03-09 05:19:48,775 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-09 05:19:48,775 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-09 05:19:48,776 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-09 05:19:48,776 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-09 05:19:48,777 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 05:19:47" (3/4) ... [2025-03-09 05:19:48,778 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-09 05:19:48,781 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure printLine [2025-03-09 05:19:48,781 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure printIntLine [2025-03-09 05:19:48,784 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2025-03-09 05:19:48,786 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-03-09 05:19:48,786 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-09 05:19:48,786 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-09 05:19:48,850 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-09 05:19:48,850 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-09 05:19:48,850 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-09 05:19:48,851 INFO L158 Benchmark]: Toolchain (without parser) took 2199.40ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 64.5MB in the end (delta: 42.9MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. [2025-03-09 05:19:48,851 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 127.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 05:19:48,852 INFO L158 Benchmark]: CACSL2BoogieTranslator took 715.59ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 46.1MB in the end (delta: 61.3MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2025-03-09 05:19:48,852 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.46ms. Allocated memory is still 142.6MB. Free memory was 46.1MB in the beginning and 43.5MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 05:19:48,852 INFO L158 Benchmark]: Boogie Preprocessor took 27.01ms. Allocated memory is still 142.6MB. Free memory was 43.5MB in the beginning and 41.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 05:19:48,852 INFO L158 Benchmark]: IcfgBuilder took 303.12ms. Allocated memory is still 142.6MB. Free memory was 41.8MB in the beginning and 97.0MB in the end (delta: -55.2MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2025-03-09 05:19:48,853 INFO L158 Benchmark]: TraceAbstraction took 1027.75ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 71.0MB in the end (delta: 25.3MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2025-03-09 05:19:48,853 INFO L158 Benchmark]: Witness Printer took 74.56ms. Allocated memory is still 142.6MB. Free memory was 71.0MB in the beginning and 64.5MB in the end (delta: 6.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 05:19:48,854 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 201.3MB. Free memory is still 127.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 715.59ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 46.1MB in the end (delta: 61.3MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.46ms. Allocated memory is still 142.6MB. Free memory was 46.1MB in the beginning and 43.5MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.01ms. Allocated memory is still 142.6MB. Free memory was 43.5MB in the beginning and 41.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 303.12ms. Allocated memory is still 142.6MB. Free memory was 41.8MB in the beginning and 97.0MB in the end (delta: -55.2MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1027.75ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 71.0MB in the end (delta: 25.3MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. * Witness Printer took 74.56ms. Allocated memory is still 142.6MB. Free memory was 71.0MB in the beginning and 64.5MB in the end (delta: 6.5MB). 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: 1629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1620]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1620]: 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, 44 locations, 56 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, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 292 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 166 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 23 IncrementalHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 126 mSDtfsCounter, 23 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, InterpolantAutomatonStates: 14, 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, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 64 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 05:19:48,870 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