./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursive-simple/sum_15x0-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursive-simple/sum_15x0-2.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 610248c6c4c4e7168ba971ed5fa38cec025658aa482465da336c99be91c3aa5c --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 10:02:17,329 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 10:02:17,407 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 10:02:17,412 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 10:02:17,413 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 10:02:17,439 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 10:02:17,440 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 10:02:17,440 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 10:02:17,441 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 10:02:17,441 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 10:02:17,442 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 10:02:17,442 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 10:02:17,442 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 10:02:17,442 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 10:02:17,443 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 10:02:17,443 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 10:02:17,443 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 10:02:17,444 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 10:02:17,444 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 10:02:17,444 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 10:02:17,444 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 10:02:17,444 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 10:02:17,444 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 10:02:17,444 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 10:02:17,444 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 10:02:17,444 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 10:02:17,445 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 10:02:17,445 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 10:02:17,445 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 10:02:17,445 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 10:02:17,445 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 10:02:17,445 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 10:02:17,446 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 10:02:17,446 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 10:02:17,446 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 10:02:17,446 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 10:02:17,446 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 10:02:17,446 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 10:02:17,447 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 10:02:17,447 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 10:02:17,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 10:02:17,447 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 10:02:17,447 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 10:02:17,447 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 10:02:17,447 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 10:02:17,447 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 610248c6c4c4e7168ba971ed5fa38cec025658aa482465da336c99be91c3aa5c [2025-02-08 10:02:17,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 10:02:17,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 10:02:17,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 10:02:17,748 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 10:02:17,748 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 10:02:17,751 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/sum_15x0-2.c [2025-02-08 10:02:19,038 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/03311391a/d10da3aaaf51443282bc3223fcc5f77f/FLAGd67b6104f [2025-02-08 10:02:19,276 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 10:02:19,276 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/recursive-simple/sum_15x0-2.c [2025-02-08 10:02:19,282 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/03311391a/d10da3aaaf51443282bc3223fcc5f77f/FLAGd67b6104f [2025-02-08 10:02:19,299 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/03311391a/d10da3aaaf51443282bc3223fcc5f77f [2025-02-08 10:02:19,301 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 10:02:19,302 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 10:02:19,303 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 10:02:19,303 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 10:02:19,307 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 10:02:19,307 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 10:02:19" (1/1) ... [2025-02-08 10:02:19,308 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3841fede and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:02:19, skipping insertion in model container [2025-02-08 10:02:19,308 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 10:02:19" (1/1) ... [2025-02-08 10:02:19,318 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 10:02:19,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 10:02:19,457 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 10:02:19,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 10:02:19,482 INFO L204 MainTranslator]: Completed translation [2025-02-08 10:02:19,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:02:19 WrapperNode [2025-02-08 10:02:19,483 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 10:02:19,484 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 10:02:19,485 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 10:02:19,485 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 10:02:19,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:02:19" (1/1) ... [2025-02-08 10:02:19,495 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:02:19" (1/1) ... [2025-02-08 10:02:19,511 INFO L138 Inliner]: procedures = 12, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2025-02-08 10:02:19,511 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 10:02:19,512 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 10:02:19,512 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 10:02:19,512 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 10:02:19,519 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:02:19" (1/1) ... [2025-02-08 10:02:19,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:02:19" (1/1) ... [2025-02-08 10:02:19,521 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:02:19" (1/1) ... [2025-02-08 10:02:19,532 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-08 10:02:19,532 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:02:19" (1/1) ... [2025-02-08 10:02:19,532 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:02:19" (1/1) ... [2025-02-08 10:02:19,534 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:02:19" (1/1) ... [2025-02-08 10:02:19,537 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:02:19" (1/1) ... [2025-02-08 10:02:19,538 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:02:19" (1/1) ... [2025-02-08 10:02:19,539 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:02:19" (1/1) ... [2025-02-08 10:02:19,540 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 10:02:19,541 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 10:02:19,542 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 10:02:19,542 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 10:02:19,543 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:02:19" (1/1) ... [2025-02-08 10:02:19,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 10:02:19,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:02:19,576 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 10:02:19,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 10:02:19,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 10:02:19,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 10:02:19,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 10:02:19,603 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2025-02-08 10:02:19,604 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2025-02-08 10:02:19,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 10:02:19,655 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 10:02:19,657 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 10:02:19,770 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9: havoc #t~ret4; [2025-02-08 10:02:19,780 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2025-02-08 10:02:19,783 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 10:02:19,792 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 10:02:19,792 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 10:02:19,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 10:02:19 BoogieIcfgContainer [2025-02-08 10:02:19,793 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 10:02:19,795 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 10:02:19,795 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 10:02:19,799 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 10:02:19,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 10:02:19" (1/3) ... [2025-02-08 10:02:19,800 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8aa89da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 10:02:19, skipping insertion in model container [2025-02-08 10:02:19,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:02:19" (2/3) ... [2025-02-08 10:02:19,800 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8aa89da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 10:02:19, skipping insertion in model container [2025-02-08 10:02:19,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 10:02:19" (3/3) ... [2025-02-08 10:02:19,801 INFO L128 eAbstractionObserver]: Analyzing ICFG sum_15x0-2.c [2025-02-08 10:02:19,816 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 10:02:19,818 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG sum_15x0-2.c that has 2 procedures, 29 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2025-02-08 10:02:19,868 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 10:02:19,879 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;@72e7603e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 10:02:19,880 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-02-08 10:02:19,884 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 17 states have (on average 1.588235294117647) internal successors, (27), 25 states have internal predecessors, (27), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 10:02:19,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-08 10:02:19,891 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:02:19,891 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-08 10:02:19,892 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting sumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 10:02:19,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:02:19,898 INFO L85 PathProgramCache]: Analyzing trace with hash 37862298, now seen corresponding path program 1 times [2025-02-08 10:02:19,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:02:19,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32129998] [2025-02-08 10:02:19,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:02:19,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:02:19,953 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 10:02:19,973 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 10:02:19,974 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:02:19,974 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:02:20,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 10:02:20,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:02:20,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32129998] [2025-02-08 10:02:20,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32129998] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 10:02:20,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 10:02:20,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 10:02:20,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035006169] [2025-02-08 10:02:20,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 10:02:20,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 10:02:20,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:02:20,098 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 10:02:20,099 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 10:02:20,102 INFO L87 Difference]: Start difference. First operand has 29 states, 17 states have (on average 1.588235294117647) internal successors, (27), 25 states have internal predecessors, (27), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 10:02:20,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:02:20,223 INFO L93 Difference]: Finished difference Result 58 states and 61 transitions. [2025-02-08 10:02:20,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 10:02:20,226 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-02-08 10:02:20,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:02:20,231 INFO L225 Difference]: With dead ends: 58 [2025-02-08 10:02:20,232 INFO L226 Difference]: Without dead ends: 38 [2025-02-08 10:02:20,234 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-08 10:02:20,237 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 23 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 10:02:20,238 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 69 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 10:02:20,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2025-02-08 10:02:20,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 35. [2025-02-08 10:02:20,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 22 states have (on average 1.5) internal successors, (33), 29 states have internal predecessors, (33), 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) [2025-02-08 10:02:20,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 39 transitions. [2025-02-08 10:02:20,269 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 39 transitions. Word has length 5 [2025-02-08 10:02:20,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:02:20,269 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 39 transitions. [2025-02-08 10:02:20,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 10:02:20,269 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2025-02-08 10:02:20,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-08 10:02:20,270 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:02:20,270 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-08 10:02:20,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 10:02:20,270 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting sumErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 10:02:20,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:02:20,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1173732532, now seen corresponding path program 1 times [2025-02-08 10:02:20,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:02:20,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299654615] [2025-02-08 10:02:20,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:02:20,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:02:20,280 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-08 10:02:20,288 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-08 10:02:20,290 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:02:20,290 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:02:20,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 10:02:20,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:02:20,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299654615] [2025-02-08 10:02:20,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299654615] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 10:02:20,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 10:02:20,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 10:02:20,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462356048] [2025-02-08 10:02:20,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 10:02:20,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 10:02:20,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:02:20,383 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 10:02:20,383 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 10:02:20,383 INFO L87 Difference]: Start difference. First operand 35 states and 39 transitions. Second operand has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 10:02:20,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:02:20,464 INFO L93 Difference]: Finished difference Result 37 states and 42 transitions. [2025-02-08 10:02:20,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 10:02:20,465 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-02-08 10:02:20,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:02:20,467 INFO L225 Difference]: With dead ends: 37 [2025-02-08 10:02:20,469 INFO L226 Difference]: Without dead ends: 36 [2025-02-08 10:02:20,469 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-08 10:02:20,470 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 27 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 10:02:20,471 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 25 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 10:02:20,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2025-02-08 10:02:20,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 34. [2025-02-08 10:02:20,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 28 states have internal predecessors, (31), 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) [2025-02-08 10:02:20,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2025-02-08 10:02:20,483 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 6 [2025-02-08 10:02:20,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:02:20,484 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2025-02-08 10:02:20,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 10:02:20,484 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2025-02-08 10:02:20,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-02-08 10:02:20,484 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:02:20,484 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-08 10:02:20,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 10:02:20,485 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting sumErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 10:02:20,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:02:20,485 INFO L85 PathProgramCache]: Analyzing trace with hash 2025970114, now seen corresponding path program 1 times [2025-02-08 10:02:20,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:02:20,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596470452] [2025-02-08 10:02:20,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:02:20,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:02:20,491 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-08 10:02:20,499 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-08 10:02:20,500 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:02:20,500 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:02:20,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 10:02:20,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:02:20,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596470452] [2025-02-08 10:02:20,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596470452] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 10:02:20,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 10:02:20,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 10:02:20,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962620167] [2025-02-08 10:02:20,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 10:02:20,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 10:02:20,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:02:20,559 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 10:02:20,560 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 10:02:20,560 INFO L87 Difference]: Start difference. First operand 34 states and 37 transitions. Second operand has 5 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 10:02:20,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:02:20,638 INFO L93 Difference]: Finished difference Result 36 states and 40 transitions. [2025-02-08 10:02:20,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 10:02:20,638 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-02-08 10:02:20,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:02:20,639 INFO L225 Difference]: With dead ends: 36 [2025-02-08 10:02:20,639 INFO L226 Difference]: Without dead ends: 35 [2025-02-08 10:02:20,639 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-08 10:02:20,640 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 24 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 10:02:20,640 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 27 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 10:02:20,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2025-02-08 10:02:20,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2025-02-08 10:02:20,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 27 states have internal predecessors, (29), 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) [2025-02-08 10:02:20,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions. [2025-02-08 10:02:20,652 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 7 [2025-02-08 10:02:20,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:02:20,652 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 35 transitions. [2025-02-08 10:02:20,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 10:02:20,653 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2025-02-08 10:02:20,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-02-08 10:02:20,653 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:02:20,653 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 10:02:20,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 10:02:20,654 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting sumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 10:02:20,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:02:20,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1619435918, now seen corresponding path program 1 times [2025-02-08 10:02:20,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:02:20,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817382197] [2025-02-08 10:02:20,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:02:20,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:02:20,659 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-08 10:02:20,667 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-08 10:02:20,667 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:02:20,667 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:02:20,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 10:02:20,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:02:20,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817382197] [2025-02-08 10:02:20,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817382197] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 10:02:20,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 10:02:20,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 10:02:20,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261406906] [2025-02-08 10:02:20,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 10:02:20,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 10:02:20,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:02:20,740 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 10:02:20,740 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 10:02:20,740 INFO L87 Difference]: Start difference. First operand 33 states and 35 transitions. Second operand has 5 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 10:02:20,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:02:20,804 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2025-02-08 10:02:20,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 10:02:20,805 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2025-02-08 10:02:20,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:02:20,806 INFO L225 Difference]: With dead ends: 34 [2025-02-08 10:02:20,808 INFO L226 Difference]: Without dead ends: 33 [2025-02-08 10:02:20,808 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-08 10:02:20,809 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 13 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 10:02:20,809 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 61 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 10:02:20,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2025-02-08 10:02:20,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2025-02-08 10:02:20,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 27 states have internal predecessors, (28), 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) [2025-02-08 10:02:20,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2025-02-08 10:02:20,816 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 8 [2025-02-08 10:02:20,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:02:20,817 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2025-02-08 10:02:20,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 10:02:20,817 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2025-02-08 10:02:20,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-02-08 10:02:20,817 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:02:20,818 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 10:02:20,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 10:02:20,818 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting sumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 10:02:20,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:02:20,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1843508769, now seen corresponding path program 1 times [2025-02-08 10:02:20,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:02:20,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506525513] [2025-02-08 10:02:20,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:02:20,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:02:20,824 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-08 10:02:20,830 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-08 10:02:20,830 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:02:20,830 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:02:20,899 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 10:02:20,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:02:20,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506525513] [2025-02-08 10:02:20,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506525513] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 10:02:20,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2075000879] [2025-02-08 10:02:20,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:02:20,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:02:20,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:02:20,903 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 10:02:20,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-08 10:02:20,937 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-08 10:02:20,946 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-08 10:02:20,946 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:02:20,946 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:02:20,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 10:02:20,951 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 10:02:21,004 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 10:02:21,004 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 10:02:21,076 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 10:02:21,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2075000879] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 10:02:21,077 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 10:02:21,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2025-02-08 10:02:21,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227215313] [2025-02-08 10:02:21,077 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 10:02:21,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 10:02:21,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:02:21,078 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 10:02:21,078 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2025-02-08 10:02:21,078 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand has 12 states, 10 states have (on average 1.9) internal successors, (19), 7 states have internal predecessors, (19), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 10:02:21,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:02:21,223 INFO L93 Difference]: Finished difference Result 83 states and 92 transitions. [2025-02-08 10:02:21,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-08 10:02:21,223 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 1.9) internal successors, (19), 7 states have internal predecessors, (19), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2025-02-08 10:02:21,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:02:21,224 INFO L225 Difference]: With dead ends: 83 [2025-02-08 10:02:21,224 INFO L226 Difference]: Without dead ends: 67 [2025-02-08 10:02:21,225 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2025-02-08 10:02:21,225 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 72 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 10:02:21,225 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 140 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 10:02:21,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2025-02-08 10:02:21,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 62. [2025-02-08 10:02:21,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 46 states have (on average 1.173913043478261) internal successors, (54), 50 states have internal predecessors, (54), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 10:02:21,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 66 transitions. [2025-02-08 10:02:21,233 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 66 transitions. Word has length 12 [2025-02-08 10:02:21,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:02:21,234 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 66 transitions. [2025-02-08 10:02:21,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 1.9) internal successors, (19), 7 states have internal predecessors, (19), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 10:02:21,235 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2025-02-08 10:02:21,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-02-08 10:02:21,235 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:02:21,235 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-02-08 10:02:21,243 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-08 10:02:21,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:02:21,436 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting sumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 10:02:21,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:02:21,436 INFO L85 PathProgramCache]: Analyzing trace with hash 224166539, now seen corresponding path program 1 times [2025-02-08 10:02:21,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:02:21,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277282223] [2025-02-08 10:02:21,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:02:21,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:02:21,441 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-08 10:02:21,446 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-08 10:02:21,446 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:02:21,446 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:02:21,514 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 10:02:21,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:02:21,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277282223] [2025-02-08 10:02:21,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277282223] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 10:02:21,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1606301016] [2025-02-08 10:02:21,515 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:02:21,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:02:21,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:02:21,517 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 10:02:21,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-08 10:02:21,536 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-08 10:02:21,543 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-08 10:02:21,544 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:02:21,544 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:02:21,544 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 10:02:21,545 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 10:02:21,576 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 10:02:21,576 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 10:02:21,646 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 10:02:21,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1606301016] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 10:02:21,646 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 10:02:21,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-02-08 10:02:21,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337470897] [2025-02-08 10:02:21,647 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 10:02:21,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 10:02:21,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:02:21,647 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 10:02:21,647 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2025-02-08 10:02:21,648 INFO L87 Difference]: Start difference. First operand 62 states and 66 transitions. Second operand has 12 states, 9 states have (on average 2.888888888888889) internal successors, (26), 7 states have internal predecessors, (26), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 10:02:21,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:02:21,773 INFO L93 Difference]: Finished difference Result 65 states and 69 transitions. [2025-02-08 10:02:21,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-08 10:02:21,773 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 2.888888888888889) internal successors, (26), 7 states have internal predecessors, (26), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2025-02-08 10:02:21,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:02:21,774 INFO L225 Difference]: With dead ends: 65 [2025-02-08 10:02:21,774 INFO L226 Difference]: Without dead ends: 64 [2025-02-08 10:02:21,774 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2025-02-08 10:02:21,775 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 58 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 10:02:21,775 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 134 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 10:02:21,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2025-02-08 10:02:21,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62. [2025-02-08 10:02:21,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 46 states have (on average 1.108695652173913) internal successors, (51), 50 states have internal predecessors, (51), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 10:02:21,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 63 transitions. [2025-02-08 10:02:21,787 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 63 transitions. Word has length 15 [2025-02-08 10:02:21,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:02:21,787 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 63 transitions. [2025-02-08 10:02:21,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 2.888888888888889) internal successors, (26), 7 states have internal predecessors, (26), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 10:02:21,787 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 63 transitions. [2025-02-08 10:02:21,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-02-08 10:02:21,790 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:02:21,790 INFO L218 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1] [2025-02-08 10:02:21,797 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-08 10:02:21,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:02:21,990 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting sumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 10:02:21,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:02:21,991 INFO L85 PathProgramCache]: Analyzing trace with hash -414165030, now seen corresponding path program 2 times [2025-02-08 10:02:21,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:02:21,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066402639] [2025-02-08 10:02:21,991 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 10:02:21,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:02:21,997 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 33 statements into 2 equivalence classes. [2025-02-08 10:02:22,019 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 33 of 33 statements. [2025-02-08 10:02:22,020 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 10:02:22,020 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:02:22,249 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 27 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 10:02:22,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:02:22,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066402639] [2025-02-08 10:02:22,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066402639] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 10:02:22,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1079666228] [2025-02-08 10:02:22,250 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 10:02:22,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:02:22,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:02:22,253 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 10:02:22,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-08 10:02:22,281 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 33 statements into 2 equivalence classes. [2025-02-08 10:02:22,294 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 33 of 33 statements. [2025-02-08 10:02:22,295 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 10:02:22,295 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:02:22,295 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 10:02:22,297 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 10:02:22,532 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 10:02:22,532 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 10:02:22,803 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 10:02:22,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1079666228] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 10:02:22,803 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 10:02:22,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 12] total 34 [2025-02-08 10:02:22,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12329442] [2025-02-08 10:02:22,803 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 10:02:22,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2025-02-08 10:02:22,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:02:22,805 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2025-02-08 10:02:22,805 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=1020, Unknown=0, NotChecked=0, Total=1190 [2025-02-08 10:02:22,805 INFO L87 Difference]: Start difference. First operand 62 states and 63 transitions. Second operand has 35 states, 32 states have (on average 2.59375) internal successors, (83), 19 states have internal predecessors, (83), 15 states have call successors, (15), 15 states have call predecessors, (15), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 10:02:23,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:02:23,805 INFO L93 Difference]: Finished difference Result 152 states and 166 transitions. [2025-02-08 10:02:23,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-02-08 10:02:23,807 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 32 states have (on average 2.59375) internal successors, (83), 19 states have internal predecessors, (83), 15 states have call successors, (15), 15 states have call predecessors, (15), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2025-02-08 10:02:23,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:02:23,808 INFO L225 Difference]: With dead ends: 152 [2025-02-08 10:02:23,808 INFO L226 Difference]: Without dead ends: 128 [2025-02-08 10:02:23,810 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 947 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=824, Invalid=3466, Unknown=0, NotChecked=0, Total=4290 [2025-02-08 10:02:23,812 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 622 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 622 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 10:02:23,812 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [622 Valid, 240 Invalid, 620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 10:02:23,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2025-02-08 10:02:23,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 120. [2025-02-08 10:02:23,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 94 states have (on average 1.0957446808510638) internal successors, (103), 96 states have internal predecessors, (103), 12 states have call successors, (12), 11 states have call predecessors, (12), 11 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 10:02:23,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 127 transitions. [2025-02-08 10:02:23,829 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 127 transitions. Word has length 33 [2025-02-08 10:02:23,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:02:23,829 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 127 transitions. [2025-02-08 10:02:23,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 32 states have (on average 2.59375) internal successors, (83), 19 states have internal predecessors, (83), 15 states have call successors, (15), 15 states have call predecessors, (15), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 10:02:23,829 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 127 transitions. [2025-02-08 10:02:23,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-02-08 10:02:23,830 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:02:23,830 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 1, 1, 1] [2025-02-08 10:02:23,837 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-08 10:02:24,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:02:24,035 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting sumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 10:02:24,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:02:24,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1051875890, now seen corresponding path program 2 times [2025-02-08 10:02:24,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:02:24,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017587593] [2025-02-08 10:02:24,036 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 10:02:24,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:02:24,042 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 36 statements into 2 equivalence classes. [2025-02-08 10:02:24,053 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 36 of 36 statements. [2025-02-08 10:02:24,053 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 10:02:24,053 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:02:24,190 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 10:02:24,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:02:24,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017587593] [2025-02-08 10:02:24,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017587593] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 10:02:24,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727872443] [2025-02-08 10:02:24,190 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 10:02:24,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:02:24,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:02:24,193 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 10:02:24,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-08 10:02:24,220 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 36 statements into 2 equivalence classes. [2025-02-08 10:02:24,232 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 36 of 36 statements. [2025-02-08 10:02:24,232 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 10:02:24,232 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:02:24,233 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 10:02:24,234 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 10:02:24,284 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 10:02:24,285 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 10:02:24,487 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 10:02:24,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727872443] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 10:02:24,487 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 10:02:24,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2025-02-08 10:02:24,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175049105] [2025-02-08 10:02:24,488 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 10:02:24,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-02-08 10:02:24,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:02:24,488 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-02-08 10:02:24,489 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=416, Unknown=0, NotChecked=0, Total=552 [2025-02-08 10:02:24,489 INFO L87 Difference]: Start difference. First operand 120 states and 127 transitions. Second operand has 24 states, 21 states have (on average 2.9523809523809526) internal successors, (62), 13 states have internal predecessors, (62), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 10:02:24,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:02:24,737 INFO L93 Difference]: Finished difference Result 123 states and 130 transitions. [2025-02-08 10:02:24,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-02-08 10:02:24,738 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 21 states have (on average 2.9523809523809526) internal successors, (62), 13 states have internal predecessors, (62), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2025-02-08 10:02:24,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:02:24,739 INFO L225 Difference]: With dead ends: 123 [2025-02-08 10:02:24,739 INFO L226 Difference]: Without dead ends: 122 [2025-02-08 10:02:24,740 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=311, Invalid=811, Unknown=0, NotChecked=0, Total=1122 [2025-02-08 10:02:24,740 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 168 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 10:02:24,741 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 246 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 10:02:24,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2025-02-08 10:02:24,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 120. [2025-02-08 10:02:24,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 94 states have (on average 1.0319148936170213) internal successors, (97), 96 states have internal predecessors, (97), 12 states have call successors, (12), 11 states have call predecessors, (12), 11 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 10:02:24,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 121 transitions. [2025-02-08 10:02:24,760 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 121 transitions. Word has length 36 [2025-02-08 10:02:24,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:02:24,761 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 121 transitions. [2025-02-08 10:02:24,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 21 states have (on average 2.9523809523809526) internal successors, (62), 13 states have internal predecessors, (62), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 10:02:24,762 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 121 transitions. [2025-02-08 10:02:24,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2025-02-08 10:02:24,763 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:02:24,763 INFO L218 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1] [2025-02-08 10:02:24,773 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-08 10:02:24,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2025-02-08 10:02:24,964 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 10:02:24,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:02:24,964 INFO L85 PathProgramCache]: Analyzing trace with hash 500246771, now seen corresponding path program 1 times [2025-02-08 10:02:24,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:02:24,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320282190] [2025-02-08 10:02:24,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:02:24,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:02:24,970 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-02-08 10:02:24,992 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-02-08 10:02:24,992 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:02:24,992 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:02:25,448 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 10:02:25,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:02:25,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320282190] [2025-02-08 10:02:25,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320282190] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 10:02:25,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2128903884] [2025-02-08 10:02:25,449 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:02:25,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:02:25,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:02:25,451 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 10:02:25,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-08 10:02:25,479 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-02-08 10:02:25,501 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-02-08 10:02:25,501 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:02:25,501 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:02:25,502 INFO L256 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-02-08 10:02:25,504 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 10:02:26,092 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 10:02:26,092 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 10:02:26,726 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 10:02:26,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2128903884] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 10:02:26,726 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 10:02:26,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 57 [2025-02-08 10:02:26,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288493039] [2025-02-08 10:02:26,726 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 10:02:26,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2025-02-08 10:02:26,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:02:26,728 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2025-02-08 10:02:26,729 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=434, Invalid=2872, Unknown=0, NotChecked=0, Total=3306 [2025-02-08 10:02:26,730 INFO L87 Difference]: Start difference. First operand 120 states and 121 transitions. Second operand has 58 states, 55 states have (on average 2.8363636363636364) internal successors, (156), 31 states have internal predecessors, (156), 27 states have call successors, (27), 26 states have call predecessors, (27), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 10:02:27,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:02:27,699 INFO L93 Difference]: Finished difference Result 217 states and 227 transitions. [2025-02-08 10:02:27,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-02-08 10:02:27,700 INFO L78 Accepts]: Start accepts. Automaton has has 58 states, 55 states have (on average 2.8363636363636364) internal successors, (156), 31 states have internal predecessors, (156), 27 states have call successors, (27), 26 states have call predecessors, (27), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2025-02-08 10:02:27,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:02:27,702 INFO L225 Difference]: With dead ends: 217 [2025-02-08 10:02:27,702 INFO L226 Difference]: Without dead ends: 176 [2025-02-08 10:02:27,704 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 104 SyntacticMatches, 14 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2013 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1265, Invalid=5875, Unknown=0, NotChecked=0, Total=7140 [2025-02-08 10:02:27,705 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 458 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 459 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 10:02:27,705 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [459 Valid, 611 Invalid, 689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 633 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 10:02:27,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2025-02-08 10:02:27,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 170. [2025-02-08 10:02:27,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 134 states have (on average 1.0522388059701493) internal successors, (141), 136 states have internal predecessors, (141), 17 states have call successors, (17), 16 states have call predecessors, (17), 16 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-08 10:02:27,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 175 transitions. [2025-02-08 10:02:27,718 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 175 transitions. Word has length 76 [2025-02-08 10:02:27,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:02:27,718 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 175 transitions. [2025-02-08 10:02:27,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 55 states have (on average 2.8363636363636364) internal successors, (156), 31 states have internal predecessors, (156), 27 states have call successors, (27), 26 states have call predecessors, (27), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 10:02:27,719 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 175 transitions. [2025-02-08 10:02:27,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-02-08 10:02:27,720 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:02:27,720 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 11, 11, 1, 1, 1] [2025-02-08 10:02:27,727 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-08 10:02:27,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:02:27,924 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting sumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 10:02:27,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:02:27,924 INFO L85 PathProgramCache]: Analyzing trace with hash -497378005, now seen corresponding path program 3 times [2025-02-08 10:02:27,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:02:27,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537496907] [2025-02-08 10:02:27,925 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 10:02:27,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:02:27,935 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 85 statements into 12 equivalence classes. [2025-02-08 10:02:27,959 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) and asserted 85 of 85 statements. [2025-02-08 10:02:27,962 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2025-02-08 10:02:27,962 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:02:28,429 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 10:02:28,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:02:28,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537496907] [2025-02-08 10:02:28,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537496907] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 10:02:28,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [437761584] [2025-02-08 10:02:28,430 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 10:02:28,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:02:28,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:02:28,433 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 10:02:28,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-08 10:02:28,458 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 85 statements into 12 equivalence classes. [2025-02-08 10:02:28,482 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) and asserted 85 of 85 statements. [2025-02-08 10:02:28,482 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2025-02-08 10:02:28,482 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:02:28,483 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-02-08 10:02:28,485 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 10:02:28,579 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 10:02:28,579 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 10:02:29,151 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 10:02:29,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [437761584] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 10:02:29,152 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 10:02:29,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 50 [2025-02-08 10:02:29,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326360334] [2025-02-08 10:02:29,152 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 10:02:29,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2025-02-08 10:02:29,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:02:29,154 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2025-02-08 10:02:29,155 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=654, Invalid=1998, Unknown=0, NotChecked=0, Total=2652 [2025-02-08 10:02:29,155 INFO L87 Difference]: Start difference. First operand 170 states and 175 transitions. Second operand has 52 states, 49 states have (on average 2.979591836734694) internal successors, (146), 27 states have internal predecessors, (146), 24 states have call successors, (24), 24 states have call predecessors, (24), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 10:02:29,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:02:29,928 INFO L93 Difference]: Finished difference Result 308 states and 331 transitions. [2025-02-08 10:02:29,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-02-08 10:02:29,928 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 49 states have (on average 2.979591836734694) internal successors, (146), 27 states have internal predecessors, (146), 24 states have call successors, (24), 24 states have call predecessors, (24), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2025-02-08 10:02:29,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:02:29,932 INFO L225 Difference]: With dead ends: 308 [2025-02-08 10:02:29,932 INFO L226 Difference]: Without dead ends: 307 [2025-02-08 10:02:29,935 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1104 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1578, Invalid=4122, Unknown=0, NotChecked=0, Total=5700 [2025-02-08 10:02:29,936 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 761 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 763 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 10:02:29,936 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [763 Valid, 429 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 10:02:29,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2025-02-08 10:02:29,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 278. [2025-02-08 10:02:29,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 224 states have (on average 1.09375) internal successors, (245), 226 states have internal predecessors, (245), 26 states have call successors, (26), 25 states have call predecessors, (26), 25 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-02-08 10:02:29,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 297 transitions. [2025-02-08 10:02:29,969 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 297 transitions. Word has length 85 [2025-02-08 10:02:29,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:02:29,969 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 297 transitions. [2025-02-08 10:02:29,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 49 states have (on average 2.979591836734694) internal successors, (146), 27 states have internal predecessors, (146), 24 states have call successors, (24), 24 states have call predecessors, (24), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 10:02:29,970 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 297 transitions. [2025-02-08 10:02:29,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2025-02-08 10:02:29,970 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:02:29,971 INFO L218 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1] [2025-02-08 10:02:29,991 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-08 10:02:30,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-02-08 10:02:30,172 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 10:02:30,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:02:30,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1946190644, now seen corresponding path program 2 times [2025-02-08 10:02:30,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:02:30,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320031857] [2025-02-08 10:02:30,173 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 10:02:30,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:02:30,180 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 111 statements into 2 equivalence classes. [2025-02-08 10:02:30,191 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 111 of 111 statements. [2025-02-08 10:02:30,191 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 10:02:30,191 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:02:30,347 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 721 trivial. 0 not checked. [2025-02-08 10:02:30,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:02:30,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320031857] [2025-02-08 10:02:30,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320031857] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 10:02:30,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 10:02:30,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 10:02:30,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695789330] [2025-02-08 10:02:30,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 10:02:30,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 10:02:30,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:02:30,349 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 10:02:30,349 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 10:02:30,350 INFO L87 Difference]: Start difference. First operand 278 states and 297 transitions. Second operand has 6 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 10:02:30,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:02:30,426 INFO L93 Difference]: Finished difference Result 298 states and 318 transitions. [2025-02-08 10:02:30,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 10:02:30,426 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2025-02-08 10:02:30,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:02:30,431 INFO L225 Difference]: With dead ends: 298 [2025-02-08 10:02:30,432 INFO L226 Difference]: Without dead ends: 297 [2025-02-08 10:02:30,432 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-02-08 10:02:30,433 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 22 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 10:02:30,434 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 69 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 10:02:30,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2025-02-08 10:02:30,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 277. [2025-02-08 10:02:30,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 224 states have (on average 1.0491071428571428) internal successors, (235), 225 states have internal predecessors, (235), 26 states have call successors, (26), 25 states have call predecessors, (26), 25 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-02-08 10:02:30,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 287 transitions. [2025-02-08 10:02:30,463 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 287 transitions. Word has length 111 [2025-02-08 10:02:30,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:02:30,464 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 287 transitions. [2025-02-08 10:02:30,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 10:02:30,464 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 287 transitions. [2025-02-08 10:02:30,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2025-02-08 10:02:30,468 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:02:30,468 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 10:02:30,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-08 10:02:30,468 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 10:02:30,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:02:30,468 INFO L85 PathProgramCache]: Analyzing trace with hash 978767395, now seen corresponding path program 1 times [2025-02-08 10:02:30,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:02:30,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851808740] [2025-02-08 10:02:30,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:02:30,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:02:30,480 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 161 statements into 1 equivalence classes. [2025-02-08 10:02:30,490 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 161 of 161 statements. [2025-02-08 10:02:30,491 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:02:30,491 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:02:30,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1110 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1110 trivial. 0 not checked. [2025-02-08 10:02:30,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:02:30,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851808740] [2025-02-08 10:02:30,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851808740] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 10:02:30,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 10:02:30,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 10:02:30,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854068035] [2025-02-08 10:02:30,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 10:02:30,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 10:02:30,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:02:30,552 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 10:02:30,552 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 10:02:30,553 INFO L87 Difference]: Start difference. First operand 277 states and 287 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 10:02:30,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:02:30,583 INFO L93 Difference]: Finished difference Result 277 states and 287 transitions. [2025-02-08 10:02:30,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 10:02:30,585 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 161 [2025-02-08 10:02:30,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:02:30,587 INFO L225 Difference]: With dead ends: 277 [2025-02-08 10:02:30,587 INFO L226 Difference]: Without dead ends: 178 [2025-02-08 10:02:30,589 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 10:02:30,590 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 0 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 10:02:30,590 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 33 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 10:02:30,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2025-02-08 10:02:30,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 177. [2025-02-08 10:02:30,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 151 states have (on average 1.0066225165562914) internal successors, (152), 151 states have internal predecessors, (152), 25 states have call successors, (25), 25 states have call predecessors, (25), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 10:02:30,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 177 transitions. [2025-02-08 10:02:30,601 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 177 transitions. Word has length 161 [2025-02-08 10:02:30,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:02:30,601 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 177 transitions. [2025-02-08 10:02:30,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 10:02:30,601 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 177 transitions. [2025-02-08 10:02:30,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2025-02-08 10:02:30,604 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:02:30,604 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 24, 24, 1, 1, 1] [2025-02-08 10:02:30,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-02-08 10:02:30,604 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting sumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 10:02:30,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:02:30,605 INFO L85 PathProgramCache]: Analyzing trace with hash 199779570, now seen corresponding path program 4 times [2025-02-08 10:02:30,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:02:30,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901595785] [2025-02-08 10:02:30,606 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 10:02:30,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:02:30,614 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 176 statements into 2 equivalence classes. [2025-02-08 10:02:30,647 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 176 of 176 statements. [2025-02-08 10:02:30,647 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-08 10:02:30,647 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:02:32,311 INFO L134 CoverageAnalysis]: Checked inductivity of 2076 backedges. 1913 proven. 163 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 10:02:32,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:02:32,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901595785] [2025-02-08 10:02:32,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901595785] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 10:02:32,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [98298432] [2025-02-08 10:02:32,312 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 10:02:32,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:02:32,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:02:32,314 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 10:02:32,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-08 10:02:32,345 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 176 statements into 2 equivalence classes. [2025-02-08 10:02:32,388 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 176 of 176 statements. [2025-02-08 10:02:32,389 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-08 10:02:32,389 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:02:32,391 INFO L256 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 52 conjuncts are in the unsatisfiable core [2025-02-08 10:02:32,395 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 10:02:32,648 INFO L134 CoverageAnalysis]: Checked inductivity of 2076 backedges. 2076 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 10:02:32,649 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 10:02:32,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [98298432] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 10:02:32,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 10:02:32,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [52] imperfect sequences [52] total 55 [2025-02-08 10:02:32,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243767440] [2025-02-08 10:02:32,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 10:02:32,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2025-02-08 10:02:32,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:02:32,651 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2025-02-08 10:02:32,652 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=712, Invalid=2368, Unknown=0, NotChecked=0, Total=3080 [2025-02-08 10:02:32,652 INFO L87 Difference]: Start difference. First operand 177 states and 177 transitions. Second operand has 53 states, 52 states have (on average 2.9038461538461537) internal successors, (151), 27 states have internal predecessors, (151), 25 states have call successors, (25), 25 states have call predecessors, (25), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 10:02:33,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:02:33,115 INFO L93 Difference]: Finished difference Result 177 states and 177 transitions. [2025-02-08 10:02:33,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-02-08 10:02:33,117 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 52 states have (on average 2.9038461538461537) internal successors, (151), 27 states have internal predecessors, (151), 25 states have call successors, (25), 25 states have call predecessors, (25), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 176 [2025-02-08 10:02:33,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:02:33,117 INFO L225 Difference]: With dead ends: 177 [2025-02-08 10:02:33,117 INFO L226 Difference]: Without dead ends: 0 [2025-02-08 10:02:33,119 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1212 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1136, Invalid=3976, Unknown=0, NotChecked=0, Total=5112 [2025-02-08 10:02:33,119 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 91 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 720 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 10:02:33,120 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 311 Invalid, 721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 720 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 10:02:33,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-08 10:02:33,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-08 10:02:33,120 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) [2025-02-08 10:02:33,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-08 10:02:33,120 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2025-02-08 10:02:33,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:02:33,120 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 10:02:33,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 52 states have (on average 2.9038461538461537) internal successors, (151), 27 states have internal predecessors, (151), 25 states have call successors, (25), 25 states have call predecessors, (25), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 10:02:33,121 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-08 10:02:33,121 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-08 10:02:33,123 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2025-02-08 10:02:33,123 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2025-02-08 10:02:33,123 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2025-02-08 10:02:33,123 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2025-02-08 10:02:33,124 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2025-02-08 10:02:33,124 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2025-02-08 10:02:33,124 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2025-02-08 10:02:33,124 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2025-02-08 10:02:33,132 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-02-08 10:02:33,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:02:33,330 INFO L422 BasicCegarLoop]: Path program histogram: [4, 2, 2, 1, 1, 1, 1, 1] [2025-02-08 10:02:33,331 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-08 10:02:36,565 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 10:02:36,570 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 10:02:36 BoogieIcfgContainer [2025-02-08 10:02:36,571 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 10:02:36,571 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 10:02:36,571 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 10:02:36,571 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 10:02:36,572 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 10:02:19" (3/4) ... [2025-02-08 10:02:36,574 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 10:02:36,579 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure sum [2025-02-08 10:02:36,582 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2025-02-08 10:02:36,582 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-02-08 10:02:36,583 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-08 10:02:36,583 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-08 10:02:36,657 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 10:02:36,657 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 10:02:36,657 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 10:02:36,658 INFO L158 Benchmark]: Toolchain (without parser) took 17355.50ms. Allocated memory was 142.6MB in the beginning and 394.3MB in the end (delta: 251.7MB). Free memory was 113.5MB in the beginning and 326.0MB in the end (delta: -212.5MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. [2025-02-08 10:02:36,659 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 201.3MB. Free memory is still 123.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 10:02:36,659 INFO L158 Benchmark]: CACSL2BoogieTranslator took 179.85ms. Allocated memory is still 142.6MB. Free memory was 113.5MB in the beginning and 103.0MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 10:02:36,659 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.70ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 102.1MB in the end (delta: 936.5kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 10:02:36,661 INFO L158 Benchmark]: Boogie Preprocessor took 28.62ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 101.2MB in the end (delta: 927.0kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 10:02:36,661 INFO L158 Benchmark]: IcfgBuilder took 252.02ms. Allocated memory is still 142.6MB. Free memory was 101.2MB in the beginning and 90.0MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 10:02:36,661 INFO L158 Benchmark]: TraceAbstraction took 16775.62ms. Allocated memory was 142.6MB in the beginning and 394.3MB in the end (delta: 251.7MB). Free memory was 89.0MB in the beginning and 329.5MB in the end (delta: -240.4MB). Peak memory consumption was 152.9MB. Max. memory is 16.1GB. [2025-02-08 10:02:36,662 INFO L158 Benchmark]: Witness Printer took 86.13ms. Allocated memory is still 394.3MB. Free memory was 329.5MB in the beginning and 326.0MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 10:02:36,663 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62ms. Allocated memory is still 201.3MB. Free memory is still 123.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 179.85ms. Allocated memory is still 142.6MB. Free memory was 113.5MB in the beginning and 103.0MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.70ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 102.1MB in the end (delta: 936.5kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.62ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 101.2MB in the end (delta: 927.0kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 252.02ms. Allocated memory is still 142.6MB. Free memory was 101.2MB in the beginning and 90.0MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 16775.62ms. Allocated memory was 142.6MB in the beginning and 394.3MB in the end (delta: 251.7MB). Free memory was 89.0MB in the beginning and 329.5MB in the end (delta: -240.4MB). Peak memory consumption was 152.9MB. Max. memory is 16.1GB. * Witness Printer took 86.13ms. Allocated memory is still 394.3MB. Free memory was 329.5MB in the beginning and 326.0MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 9]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 9]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 9]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 9]: 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 2 procedures, 29 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 13.5s, OverallIterations: 13, TraceHistogramMax: 25, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2353 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2339 mSDsluCounter, 2395 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2060 mSDsCounter, 262 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2846 IncrementalHoareTripleChecker+Invalid, 3108 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 262 mSolverCounterUnsat, 335 mSDtfsCounter, 2846 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 956 GetRequests, 567 SyntacticMatches, 14 SemanticMatches, 375 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5506 ImplicationChecksByTransitivity, 5.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=278occurred in iteration=10, InterpolantAutomatonStates: 232, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 80 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 6.8s InterpolantComputationTime, 1164 NumberOfCodeBlocks, 1164 NumberOfCodeBlocksAsserted, 49 NumberOfCheckSat, 1395 ConstructedInterpolants, 0 QuantifiedInterpolants, 3891 SizeOfPredicates, 62 NumberOfNonLiveVariables, 1097 ConjunctsInSsa, 138 ConjunctsInUnsatCore, 26 InterpolantComputations, 7 PerfectInterpolantSequences, 5891/8757 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 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-08 10:02:36,685 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE