./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound5.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/nla-digbench-scaling/ps4-ll_unwindbound5.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 d629f4eefc4b49512b7b1b628f28a13dcdca90b36cb521919e0cc9ad875c2764 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 09:52:10,386 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 09:52:10,441 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 09:52:10,447 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 09:52:10,447 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 09:52:10,469 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 09:52:10,469 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 09:52:10,469 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 09:52:10,470 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 09:52:10,470 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 09:52:10,470 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 09:52:10,471 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 09:52:10,471 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 09:52:10,471 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 09:52:10,471 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 09:52:10,471 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 09:52:10,471 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 09:52:10,471 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 09:52:10,471 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 09:52:10,471 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 09:52:10,471 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 09:52:10,472 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 09:52:10,472 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 09:52:10,472 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 09:52:10,472 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 09:52:10,472 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 09:52:10,472 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 09:52:10,472 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 09:52:10,472 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 09:52:10,472 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 09:52:10,472 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 09:52:10,472 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 09:52:10,472 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 09:52:10,472 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 09:52:10,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:52:10,472 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 09:52:10,472 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 09:52:10,472 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 09:52:10,472 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 09:52:10,472 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 09:52:10,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 09:52:10,472 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 09:52:10,472 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 09:52:10,472 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 09:52:10,473 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 09:52:10,473 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 -> d629f4eefc4b49512b7b1b628f28a13dcdca90b36cb521919e0cc9ad875c2764 [2025-02-08 09:52:10,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 09:52:10,704 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 09:52:10,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 09:52:10,708 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 09:52:10,708 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 09:52:10,709 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound5.c [2025-02-08 09:52:11,842 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8be22b2bc/32169906cef7453299e8b26161217468/FLAGd368c1075 [2025-02-08 09:52:12,030 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 09:52:12,044 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound5.c [2025-02-08 09:52:12,054 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8be22b2bc/32169906cef7453299e8b26161217468/FLAGd368c1075 [2025-02-08 09:52:12,391 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8be22b2bc/32169906cef7453299e8b26161217468 [2025-02-08 09:52:12,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 09:52:12,394 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 09:52:12,394 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 09:52:12,395 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 09:52:12,397 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 09:52:12,398 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:52:12" (1/1) ... [2025-02-08 09:52:12,398 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fc654a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:52:12, skipping insertion in model container [2025-02-08 09:52:12,399 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:52:12" (1/1) ... [2025-02-08 09:52:12,408 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 09:52:12,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:52:12,532 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 09:52:12,542 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:52:12,551 INFO L204 MainTranslator]: Completed translation [2025-02-08 09:52:12,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:52:12 WrapperNode [2025-02-08 09:52:12,552 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 09:52:12,553 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 09:52:12,553 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 09:52:12,553 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 09:52:12,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:52:12" (1/1) ... [2025-02-08 09:52:12,562 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:52:12" (1/1) ... [2025-02-08 09:52:12,581 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 106 [2025-02-08 09:52:12,582 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 09:52:12,582 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 09:52:12,582 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 09:52:12,582 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 09:52:12,592 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:52:12" (1/1) ... [2025-02-08 09:52:12,592 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:52:12" (1/1) ... [2025-02-08 09:52:12,593 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:52:12" (1/1) ... [2025-02-08 09:52:12,603 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 09:52:12,603 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:52:12" (1/1) ... [2025-02-08 09:52:12,603 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:52:12" (1/1) ... [2025-02-08 09:52:12,608 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:52:12" (1/1) ... [2025-02-08 09:52:12,612 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:52:12" (1/1) ... [2025-02-08 09:52:12,613 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:52:12" (1/1) ... [2025-02-08 09:52:12,613 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:52:12" (1/1) ... [2025-02-08 09:52:12,614 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 09:52:12,619 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 09:52:12,619 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 09:52:12,619 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 09:52:12,620 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:52:12" (1/1) ... [2025-02-08 09:52:12,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:52:12,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:52:12,650 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 09:52:12,655 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 09:52:12,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 09:52:12,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 09:52:12,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 09:52:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 09:52:12,670 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 09:52:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 09:52:12,708 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 09:52:12,709 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 09:52:13,054 INFO L? ?]: Removed 74 outVars from TransFormulas that were not future-live. [2025-02-08 09:52:13,055 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 09:52:13,066 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 09:52:13,066 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 09:52:13,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:52:13 BoogieIcfgContainer [2025-02-08 09:52:13,067 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 09:52:13,070 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 09:52:13,070 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 09:52:13,073 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 09:52:13,073 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 09:52:12" (1/3) ... [2025-02-08 09:52:13,073 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ee2b8f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:52:13, skipping insertion in model container [2025-02-08 09:52:13,074 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:52:12" (2/3) ... [2025-02-08 09:52:13,074 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ee2b8f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:52:13, skipping insertion in model container [2025-02-08 09:52:13,074 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:52:13" (3/3) ... [2025-02-08 09:52:13,075 INFO L128 eAbstractionObserver]: Analyzing ICFG ps4-ll_unwindbound5.c [2025-02-08 09:52:13,086 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 09:52:13,087 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG ps4-ll_unwindbound5.c that has 2 procedures, 138 locations, 1 initial locations, 1 loop locations, and 62 error locations. [2025-02-08 09:52:13,127 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 09:52:13,137 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;@3767513a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 09:52:13,138 INFO L334 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2025-02-08 09:52:13,141 INFO L276 IsEmpty]: Start isEmpty. Operand has 138 states, 71 states have (on average 1.9295774647887325) internal successors, (137), 133 states have internal predecessors, (137), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:52:13,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-02-08 09:52:13,144 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:52:13,144 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-02-08 09:52:13,144 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-08 09:52:13,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:52:13,148 INFO L85 PathProgramCache]: Analyzing trace with hash 162788, now seen corresponding path program 1 times [2025-02-08 09:52:13,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:52:13,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277567382] [2025-02-08 09:52:13,155 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:52:13,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:52:13,203 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 09:52:13,216 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 09:52:13,217 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:52:13,217 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:52:13,305 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 09:52:13,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:52:13,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277567382] [2025-02-08 09:52:13,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277567382] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:52:13,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:52:13,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:52:13,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219923764] [2025-02-08 09:52:13,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:52:13,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:52:13,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:52:13,323 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:52:13,324 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:52:13,326 INFO L87 Difference]: Start difference. First operand has 138 states, 71 states have (on average 1.9295774647887325) internal successors, (137), 133 states have internal predecessors, (137), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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 09:52:13,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:52:13,396 INFO L93 Difference]: Finished difference Result 269 states and 296 transitions. [2025-02-08 09:52:13,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:52:13,398 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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) Word has length 3 [2025-02-08 09:52:13,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:52:13,404 INFO L225 Difference]: With dead ends: 269 [2025-02-08 09:52:13,404 INFO L226 Difference]: Without dead ends: 128 [2025-02-08 09:52:13,407 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:52:13,410 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 4 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:52:13,411 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 376 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:52:13,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2025-02-08 09:52:13,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2025-02-08 09:52:13,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 73 states have (on average 1.726027397260274) internal successors, (126), 124 states have internal predecessors, (126), 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 09:52:13,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 130 transitions. [2025-02-08 09:52:13,450 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 130 transitions. Word has length 3 [2025-02-08 09:52:13,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:52:13,450 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 130 transitions. [2025-02-08 09:52:13,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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 09:52:13,451 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 130 transitions. [2025-02-08 09:52:13,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-08 09:52:13,451 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:52:13,451 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-08 09:52:13,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 09:52:13,452 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-08 09:52:13,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:52:13,454 INFO L85 PathProgramCache]: Analyzing trace with hash 554747260, now seen corresponding path program 1 times [2025-02-08 09:52:13,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:52:13,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619596523] [2025-02-08 09:52:13,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:52:13,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:52:13,457 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-08 09:52:13,462 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-08 09:52:13,465 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:52:13,465 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:52:13,488 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 09:52:13,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:52:13,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619596523] [2025-02-08 09:52:13,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619596523] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:52:13,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:52:13,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 09:52:13,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183603637] [2025-02-08 09:52:13,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:52:13,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:52:13,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:52:13,491 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:52:13,491 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:52:13,491 INFO L87 Difference]: Start difference. First operand 128 states and 130 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 09:52:13,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:52:13,607 INFO L93 Difference]: Finished difference Result 225 states and 245 transitions. [2025-02-08 09:52:13,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:52:13,607 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) Word has length 6 [2025-02-08 09:52:13,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:52:13,609 INFO L225 Difference]: With dead ends: 225 [2025-02-08 09:52:13,610 INFO L226 Difference]: Without dead ends: 223 [2025-02-08 09:52:13,610 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 09:52:13,611 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 92 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:52:13,611 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 222 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:52:13,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2025-02-08 09:52:13,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 160. [2025-02-08 09:52:13,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 103 states have (on average 1.7378640776699028) internal successors, (179), 154 states have internal predecessors, (179), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:52:13,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 187 transitions. [2025-02-08 09:52:13,625 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 187 transitions. Word has length 6 [2025-02-08 09:52:13,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:52:13,625 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 187 transitions. [2025-02-08 09:52:13,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 09:52:13,625 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 187 transitions. [2025-02-08 09:52:13,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-02-08 09:52:13,626 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:52:13,626 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:52:13,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 09:52:13,626 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-08 09:52:13,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:52:13,627 INFO L85 PathProgramCache]: Analyzing trace with hash 17295968, now seen corresponding path program 1 times [2025-02-08 09:52:13,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:52:13,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299535519] [2025-02-08 09:52:13,627 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:52:13,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:52:13,631 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-08 09:52:13,635 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-08 09:52:13,637 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:52:13,637 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:52:13,668 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 09:52:13,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:52:13,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299535519] [2025-02-08 09:52:13,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299535519] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:52:13,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:52:13,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 09:52:13,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165268924] [2025-02-08 09:52:13,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:52:13,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:52:13,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:52:13,670 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:52:13,670 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:52:13,670 INFO L87 Difference]: Start difference. First operand 160 states and 187 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 09:52:13,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:52:13,766 INFO L93 Difference]: Finished difference Result 231 states and 243 transitions. [2025-02-08 09:52:13,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:52:13,767 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) Word has length 7 [2025-02-08 09:52:13,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:52:13,768 INFO L225 Difference]: With dead ends: 231 [2025-02-08 09:52:13,769 INFO L226 Difference]: Without dead ends: 222 [2025-02-08 09:52:13,769 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 09:52:13,771 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 91 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:52:13,771 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 226 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:52:13,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2025-02-08 09:52:13,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 180. [2025-02-08 09:52:13,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 123 states have (on average 1.6829268292682926) internal successors, (207), 174 states have internal predecessors, (207), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:52:13,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 215 transitions. [2025-02-08 09:52:13,785 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 215 transitions. Word has length 7 [2025-02-08 09:52:13,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:52:13,785 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 215 transitions. [2025-02-08 09:52:13,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 09:52:13,785 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 215 transitions. [2025-02-08 09:52:13,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-02-08 09:52:13,785 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:52:13,786 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:52:13,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 09:52:13,786 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-08 09:52:13,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:52:13,786 INFO L85 PathProgramCache]: Analyzing trace with hash -558441058, now seen corresponding path program 1 times [2025-02-08 09:52:13,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:52:13,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283296733] [2025-02-08 09:52:13,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:52:13,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:52:13,789 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-08 09:52:13,795 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-08 09:52:13,798 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:52:13,798 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:52:13,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1410988497] [2025-02-08 09:52:13,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:52:13,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:52:13,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:52:13,803 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 09:52:13,804 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 09:52:13,828 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-08 09:52:13,833 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-08 09:52:13,834 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:52:13,834 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:52:13,835 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:52:13,837 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:52:13,860 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 09:52:13,860 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:52:13,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:52:13,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283296733] [2025-02-08 09:52:13,861 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:52:13,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410988497] [2025-02-08 09:52:13,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1410988497] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:52:13,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:52:13,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 09:52:13,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610798395] [2025-02-08 09:52:13,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:52:13,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:52:13,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:52:13,862 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:52:13,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:52:13,862 INFO L87 Difference]: Start difference. First operand 180 states and 215 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 09:52:14,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:52:14,042 INFO L93 Difference]: Finished difference Result 213 states and 223 transitions. [2025-02-08 09:52:14,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:52:14,042 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) Word has length 9 [2025-02-08 09:52:14,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:52:14,043 INFO L225 Difference]: With dead ends: 213 [2025-02-08 09:52:14,043 INFO L226 Difference]: Without dead ends: 186 [2025-02-08 09:52:14,044 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 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 09:52:14,044 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 52 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:52:14,044 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 126 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:52:14,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2025-02-08 09:52:14,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 184. [2025-02-08 09:52:14,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 127 states have (on average 1.4803149606299213) internal successors, (188), 178 states have internal predecessors, (188), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:52:14,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 196 transitions. [2025-02-08 09:52:14,058 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 196 transitions. Word has length 9 [2025-02-08 09:52:14,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:52:14,058 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 196 transitions. [2025-02-08 09:52:14,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 09:52:14,058 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 196 transitions. [2025-02-08 09:52:14,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-02-08 09:52:14,058 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:52:14,058 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:52:14,066 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 09:52:14,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:52:14,259 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-08 09:52:14,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:52:14,260 INFO L85 PathProgramCache]: Analyzing trace with hash 344737652, now seen corresponding path program 1 times [2025-02-08 09:52:14,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:52:14,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186497982] [2025-02-08 09:52:14,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:52:14,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:52:14,263 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 09:52:14,266 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 09:52:14,266 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:52:14,266 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:52:14,309 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 09:52:14,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:52:14,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186497982] [2025-02-08 09:52:14,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186497982] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:52:14,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:52:14,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:52:14,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284527676] [2025-02-08 09:52:14,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:52:14,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:52:14,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:52:14,310 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:52:14,310 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:52:14,311 INFO L87 Difference]: Start difference. First operand 184 states and 196 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 09:52:14,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:52:14,505 INFO L93 Difference]: Finished difference Result 197 states and 207 transitions. [2025-02-08 09:52:14,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:52:14,505 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) Word has length 14 [2025-02-08 09:52:14,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:52:14,506 INFO L225 Difference]: With dead ends: 197 [2025-02-08 09:52:14,506 INFO L226 Difference]: Without dead ends: 195 [2025-02-08 09:52:14,506 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:52:14,507 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 115 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:52:14,507 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 178 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:52:14,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2025-02-08 09:52:14,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 184. [2025-02-08 09:52:14,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 127 states have (on average 1.4645669291338583) internal successors, (186), 178 states have internal predecessors, (186), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:52:14,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 194 transitions. [2025-02-08 09:52:14,518 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 194 transitions. Word has length 14 [2025-02-08 09:52:14,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:52:14,518 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 194 transitions. [2025-02-08 09:52:14,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 09:52:14,518 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 194 transitions. [2025-02-08 09:52:14,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-02-08 09:52:14,519 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:52:14,519 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:52:14,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 09:52:14,519 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-08 09:52:14,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:52:14,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1835710100, now seen corresponding path program 1 times [2025-02-08 09:52:14,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:52:14,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586297911] [2025-02-08 09:52:14,519 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:52:14,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:52:14,523 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-02-08 09:52:14,535 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-02-08 09:52:14,535 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:52:14,535 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:52:14,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1773609678] [2025-02-08 09:52:14,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:52:14,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:52:14,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:52:14,542 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 09:52:14,543 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 09:52:14,562 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-02-08 09:52:14,568 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-02-08 09:52:14,568 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:52:14,568 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:52:14,568 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:52:14,569 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:52:14,648 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 09:52:14,648 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:52:14,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:52:14,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586297911] [2025-02-08 09:52:14,649 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:52:14,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1773609678] [2025-02-08 09:52:14,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1773609678] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:52:14,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:52:14,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 09:52:14,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216678842] [2025-02-08 09:52:14,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:52:14,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:52:14,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:52:14,650 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:52:14,650 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:52:14,650 INFO L87 Difference]: Start difference. First operand 184 states and 194 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 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 09:52:14,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:52:14,800 INFO L93 Difference]: Finished difference Result 190 states and 194 transitions. [2025-02-08 09:52:14,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:52:14,800 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 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) Word has length 22 [2025-02-08 09:52:14,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:52:14,801 INFO L225 Difference]: With dead ends: 190 [2025-02-08 09:52:14,801 INFO L226 Difference]: Without dead ends: 158 [2025-02-08 09:52:14,801 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 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 09:52:14,802 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 39 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:52:14,802 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 117 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:52:14,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2025-02-08 09:52:14,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 156. [2025-02-08 09:52:14,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 100 states have (on average 1.55) internal successors, (155), 151 states have internal predecessors, (155), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:52:14,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 161 transitions. [2025-02-08 09:52:14,806 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 161 transitions. Word has length 22 [2025-02-08 09:52:14,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:52:14,807 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 161 transitions. [2025-02-08 09:52:14,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 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 09:52:14,807 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 161 transitions. [2025-02-08 09:52:14,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-02-08 09:52:14,807 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:52:14,807 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:52:14,814 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-08 09:52:15,008 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 09:52:15,008 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-08 09:52:15,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:52:15,009 INFO L85 PathProgramCache]: Analyzing trace with hash -36705528, now seen corresponding path program 1 times [2025-02-08 09:52:15,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:52:15,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35218850] [2025-02-08 09:52:15,009 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:52:15,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:52:15,016 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-08 09:52:15,028 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-08 09:52:15,028 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:52:15,028 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:52:15,094 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 09:52:15,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:52:15,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35218850] [2025-02-08 09:52:15,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35218850] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:52:15,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:52:15,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:52:15,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352348505] [2025-02-08 09:52:15,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:52:15,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:52:15,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:52:15,096 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:52:15,096 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:52:15,096 INFO L87 Difference]: Start difference. First operand 156 states and 161 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:52:15,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:52:15,107 INFO L93 Difference]: Finished difference Result 158 states and 161 transitions. [2025-02-08 09:52:15,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:52:15,108 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2025-02-08 09:52:15,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:52:15,108 INFO L225 Difference]: With dead ends: 158 [2025-02-08 09:52:15,108 INFO L226 Difference]: Without dead ends: 156 [2025-02-08 09:52:15,109 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 09:52:15,110 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 1 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:52:15,110 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 242 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:52:15,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2025-02-08 09:52:15,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2025-02-08 09:52:15,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 100 states have (on average 1.53) internal successors, (153), 151 states have internal predecessors, (153), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:52:15,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 159 transitions. [2025-02-08 09:52:15,119 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 159 transitions. Word has length 34 [2025-02-08 09:52:15,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:52:15,120 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 159 transitions. [2025-02-08 09:52:15,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:52:15,120 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 159 transitions. [2025-02-08 09:52:15,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-02-08 09:52:15,121 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:52:15,121 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:52:15,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-08 09:52:15,122 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-08 09:52:15,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:52:15,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1587545697, now seen corresponding path program 1 times [2025-02-08 09:52:15,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:52:15,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863024214] [2025-02-08 09:52:15,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:52:15,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:52:15,130 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-08 09:52:15,135 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-08 09:52:15,135 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:52:15,136 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:52:15,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [186085285] [2025-02-08 09:52:15,136 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:52:15,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:52:15,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:52:15,138 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 09:52:15,140 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 09:52:15,158 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-08 09:52:15,168 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-08 09:52:15,168 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:52:15,168 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:52:15,169 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:52:15,170 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:52:15,229 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 09:52:15,229 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:52:15,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:52:15,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863024214] [2025-02-08 09:52:15,230 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:52:15,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [186085285] [2025-02-08 09:52:15,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [186085285] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:52:15,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:52:15,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:52:15,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869572215] [2025-02-08 09:52:15,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:52:15,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:52:15,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:52:15,231 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:52:15,231 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:52:15,231 INFO L87 Difference]: Start difference. First operand 156 states and 159 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:52:15,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:52:15,417 INFO L93 Difference]: Finished difference Result 257 states and 281 transitions. [2025-02-08 09:52:15,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:52:15,418 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2025-02-08 09:52:15,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:52:15,419 INFO L225 Difference]: With dead ends: 257 [2025-02-08 09:52:15,419 INFO L226 Difference]: Without dead ends: 231 [2025-02-08 09:52:15,419 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:52:15,419 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 72 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:52:15,420 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 121 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:52:15,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2025-02-08 09:52:15,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 221. [2025-02-08 09:52:15,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 163 states have (on average 1.4846625766871167) internal successors, (242), 214 states have internal predecessors, (242), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:52:15,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 252 transitions. [2025-02-08 09:52:15,424 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 252 transitions. Word has length 39 [2025-02-08 09:52:15,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:52:15,425 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 252 transitions. [2025-02-08 09:52:15,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:52:15,425 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 252 transitions. [2025-02-08 09:52:15,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-02-08 09:52:15,425 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:52:15,425 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:52:15,431 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-08 09:52:15,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:52:15,626 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-08 09:52:15,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:52:15,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1605969536, now seen corresponding path program 1 times [2025-02-08 09:52:15,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:52:15,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793646219] [2025-02-08 09:52:15,626 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:52:15,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:52:15,631 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-08 09:52:15,636 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-08 09:52:15,636 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:52:15,636 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:52:15,683 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 09:52:15,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:52:15,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793646219] [2025-02-08 09:52:15,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793646219] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:52:15,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:52:15,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:52:15,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058491567] [2025-02-08 09:52:15,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:52:15,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:52:15,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:52:15,684 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:52:15,684 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:52:15,684 INFO L87 Difference]: Start difference. First operand 221 states and 252 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:52:15,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:52:15,932 INFO L93 Difference]: Finished difference Result 254 states and 305 transitions. [2025-02-08 09:52:15,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:52:15,933 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 42 [2025-02-08 09:52:15,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:52:15,934 INFO L225 Difference]: With dead ends: 254 [2025-02-08 09:52:15,934 INFO L226 Difference]: Without dead ends: 253 [2025-02-08 09:52:15,935 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:52:15,935 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 86 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:52:15,935 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 122 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:52:15,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2025-02-08 09:52:15,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 220. [2025-02-08 09:52:15,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 163 states have (on average 1.4723926380368098) internal successors, (240), 213 states have internal predecessors, (240), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:52:15,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 250 transitions. [2025-02-08 09:52:15,941 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 250 transitions. Word has length 42 [2025-02-08 09:52:15,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:52:15,941 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 250 transitions. [2025-02-08 09:52:15,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:52:15,942 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 250 transitions. [2025-02-08 09:52:15,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-02-08 09:52:15,942 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:52:15,942 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:52:15,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-08 09:52:15,943 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-08 09:52:15,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:52:15,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1754551965, now seen corresponding path program 1 times [2025-02-08 09:52:15,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:52:15,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804952726] [2025-02-08 09:52:15,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:52:15,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:52:15,947 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-08 09:52:15,951 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-08 09:52:15,951 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:52:15,951 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:52:16,005 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 09:52:16,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:52:16,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804952726] [2025-02-08 09:52:16,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804952726] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:52:16,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:52:16,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:52:16,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272765979] [2025-02-08 09:52:16,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:52:16,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:52:16,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:52:16,006 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:52:16,006 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:52:16,006 INFO L87 Difference]: Start difference. First operand 220 states and 250 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:52:16,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:52:16,161 INFO L93 Difference]: Finished difference Result 221 states and 250 transitions. [2025-02-08 09:52:16,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:52:16,162 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 43 [2025-02-08 09:52:16,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:52:16,163 INFO L225 Difference]: With dead ends: 221 [2025-02-08 09:52:16,163 INFO L226 Difference]: Without dead ends: 220 [2025-02-08 09:52:16,163 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:52:16,163 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 32 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:52:16,164 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 209 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:52:16,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2025-02-08 09:52:16,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2025-02-08 09:52:16,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 163 states have (on average 1.4662576687116564) internal successors, (239), 213 states have internal predecessors, (239), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:52:16,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 249 transitions. [2025-02-08 09:52:16,169 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 249 transitions. Word has length 43 [2025-02-08 09:52:16,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:52:16,169 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 249 transitions. [2025-02-08 09:52:16,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:52:16,170 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 249 transitions. [2025-02-08 09:52:16,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-02-08 09:52:16,170 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:52:16,170 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:52:16,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-08 09:52:16,170 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-08 09:52:16,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:52:16,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1797705701, now seen corresponding path program 1 times [2025-02-08 09:52:16,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:52:16,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106260177] [2025-02-08 09:52:16,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:52:16,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:52:16,176 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-08 09:52:16,180 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-08 09:52:16,180 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:52:16,180 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:52:16,257 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 09:52:16,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:52:16,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106260177] [2025-02-08 09:52:16,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106260177] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:52:16,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1654117433] [2025-02-08 09:52:16,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:52:16,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:52:16,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:52:16,259 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 09:52:16,261 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 09:52:16,281 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-08 09:52:16,292 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-08 09:52:16,293 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:52:16,293 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:52:16,293 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:52:16,294 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:52:16,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:52:16,367 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:52:16,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1654117433] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:52:16,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:52:16,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-02-08 09:52:16,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943777821] [2025-02-08 09:52:16,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:52:16,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:52:16,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:52:16,367 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:52:16,368 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:52:16,368 INFO L87 Difference]: Start difference. First operand 220 states and 249 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:52:16,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:52:16,390 INFO L93 Difference]: Finished difference Result 220 states and 249 transitions. [2025-02-08 09:52:16,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:52:16,393 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 45 [2025-02-08 09:52:16,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:52:16,394 INFO L225 Difference]: With dead ends: 220 [2025-02-08 09:52:16,394 INFO L226 Difference]: Without dead ends: 219 [2025-02-08 09:52:16,394 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:52:16,394 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 86 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:52:16,395 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 235 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:52:16,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2025-02-08 09:52:16,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2025-02-08 09:52:16,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 163 states have (on average 1.4539877300613497) internal successors, (237), 212 states have internal predecessors, (237), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:52:16,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 247 transitions. [2025-02-08 09:52:16,402 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 247 transitions. Word has length 45 [2025-02-08 09:52:16,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:52:16,402 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 247 transitions. [2025-02-08 09:52:16,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:52:16,402 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 247 transitions. [2025-02-08 09:52:16,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-02-08 09:52:16,403 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:52:16,403 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:52:16,409 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-08 09:52:16,608 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,SelfDestructingSolverStorable10 [2025-02-08 09:52:16,608 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-08 09:52:16,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:52:16,608 INFO L85 PathProgramCache]: Analyzing trace with hash 105698215, now seen corresponding path program 1 times [2025-02-08 09:52:16,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:52:16,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160273240] [2025-02-08 09:52:16,608 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:52:16,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:52:16,613 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-08 09:52:16,616 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-08 09:52:16,616 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:52:16,616 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:52:16,692 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:52:16,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:52:16,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160273240] [2025-02-08 09:52:16,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160273240] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:52:16,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [416701577] [2025-02-08 09:52:16,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:52:16,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:52:16,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:52:16,695 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 09:52:16,696 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 09:52:16,715 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-08 09:52:16,730 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-08 09:52:16,730 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:52:16,730 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:52:16,730 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:52:16,732 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:52:16,790 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:52:16,790 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:52:16,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [416701577] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:52:16,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:52:16,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-02-08 09:52:16,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840619879] [2025-02-08 09:52:16,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:52:16,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:52:16,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:52:16,791 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:52:16,791 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:52:16,791 INFO L87 Difference]: Start difference. First operand 219 states and 247 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:52:16,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:52:16,822 INFO L93 Difference]: Finished difference Result 302 states and 340 transitions. [2025-02-08 09:52:16,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:52:16,822 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 46 [2025-02-08 09:52:16,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:52:16,823 INFO L225 Difference]: With dead ends: 302 [2025-02-08 09:52:16,823 INFO L226 Difference]: Without dead ends: 301 [2025-02-08 09:52:16,824 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:52:16,825 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 83 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:52:16,826 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 559 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:52:16,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2025-02-08 09:52:16,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 236. [2025-02-08 09:52:16,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 178 states have (on average 1.4550561797752808) internal successors, (259), 228 states have internal predecessors, (259), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-08 09:52:16,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 273 transitions. [2025-02-08 09:52:16,834 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 273 transitions. Word has length 46 [2025-02-08 09:52:16,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:52:16,834 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 273 transitions. [2025-02-08 09:52:16,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:52:16,835 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 273 transitions. [2025-02-08 09:52:16,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-02-08 09:52:16,836 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:52:16,836 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:52:16,842 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-02-08 09:52:17,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2025-02-08 09:52:17,036 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-08 09:52:17,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:52:17,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1503227419, now seen corresponding path program 1 times [2025-02-08 09:52:17,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:52:17,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695379407] [2025-02-08 09:52:17,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:52:17,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:52:17,042 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-02-08 09:52:17,049 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-02-08 09:52:17,049 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:52:17,049 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:52:17,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [719700985] [2025-02-08 09:52:17,051 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:52:17,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:52:17,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:52:17,053 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 09:52:17,054 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 09:52:17,073 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-02-08 09:52:17,083 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-02-08 09:52:17,083 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:52:17,084 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:52:17,084 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-08 09:52:17,085 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:52:17,219 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:52:17,219 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:52:17,354 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:52:17,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:52:17,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695379407] [2025-02-08 09:52:17,355 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:52:17,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [719700985] [2025-02-08 09:52:17,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [719700985] provided 1 perfect and 1 imperfect interpolant sequences [2025-02-08 09:52:17,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:52:17,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2025-02-08 09:52:17,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912736095] [2025-02-08 09:52:17,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:52:17,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:52:17,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:52:17,355 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:52:17,355 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:52:17,356 INFO L87 Difference]: Start difference. First operand 236 states and 273 transitions. Second operand has 7 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:52:17,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:52:17,999 INFO L93 Difference]: Finished difference Result 278 states and 338 transitions. [2025-02-08 09:52:17,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:52:18,000 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 48 [2025-02-08 09:52:18,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:52:18,001 INFO L225 Difference]: With dead ends: 278 [2025-02-08 09:52:18,001 INFO L226 Difference]: Without dead ends: 276 [2025-02-08 09:52:18,002 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:52:18,002 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 200 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 09:52:18,003 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 104 Invalid, 507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 09:52:18,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2025-02-08 09:52:18,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 234. [2025-02-08 09:52:18,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 178 states have (on average 1.4325842696629214) internal successors, (255), 226 states have internal predecessors, (255), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-08 09:52:18,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 269 transitions. [2025-02-08 09:52:18,012 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 269 transitions. Word has length 48 [2025-02-08 09:52:18,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:52:18,013 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 269 transitions. [2025-02-08 09:52:18,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:52:18,013 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 269 transitions. [2025-02-08 09:52:18,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-02-08 09:52:18,015 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:52:18,015 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:52:18,020 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-02-08 09:52:18,215 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,SelfDestructingSolverStorable12 [2025-02-08 09:52:18,216 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-08 09:52:18,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:52:18,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1503227455, now seen corresponding path program 1 times [2025-02-08 09:52:18,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:52:18,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194879076] [2025-02-08 09:52:18,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:52:18,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:52:18,223 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-02-08 09:52:18,227 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-02-08 09:52:18,227 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:52:18,227 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:52:18,295 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:52:18,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:52:18,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194879076] [2025-02-08 09:52:18,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194879076] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:52:18,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [601712085] [2025-02-08 09:52:18,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:52:18,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:52:18,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:52:18,298 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 09:52:18,299 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 09:52:18,316 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-02-08 09:52:18,327 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-02-08 09:52:18,327 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:52:18,327 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:52:18,328 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:52:18,329 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:52:18,389 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:52:18,389 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:52:18,453 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:52:18,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [601712085] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:52:18,454 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:52:18,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 6] total 13 [2025-02-08 09:52:18,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068786820] [2025-02-08 09:52:18,454 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:52:18,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-08 09:52:18,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:52:18,454 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 09:52:18,455 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:52:18,455 INFO L87 Difference]: Start difference. First operand 234 states and 269 transitions. Second operand has 13 states, 13 states have (on average 7.384615384615385) internal successors, (96), 13 states have internal predecessors, (96), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:52:18,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:52:18,547 INFO L93 Difference]: Finished difference Result 471 states and 492 transitions. [2025-02-08 09:52:18,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-08 09:52:18,547 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.384615384615385) internal successors, (96), 13 states have internal predecessors, (96), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 48 [2025-02-08 09:52:18,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:52:18,549 INFO L225 Difference]: With dead ends: 471 [2025-02-08 09:52:18,549 INFO L226 Difference]: Without dead ends: 389 [2025-02-08 09:52:18,550 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2025-02-08 09:52:18,550 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 245 mSDsluCounter, 723 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:52:18,550 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 879 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:52:18,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2025-02-08 09:52:18,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 294. [2025-02-08 09:52:18,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 234 states have (on average 1.4572649572649572) internal successors, (341), 282 states have internal predecessors, (341), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:52:18,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 357 transitions. [2025-02-08 09:52:18,560 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 357 transitions. Word has length 48 [2025-02-08 09:52:18,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:52:18,560 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 357 transitions. [2025-02-08 09:52:18,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.384615384615385) internal successors, (96), 13 states have internal predecessors, (96), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:52:18,560 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 357 transitions. [2025-02-08 09:52:18,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-02-08 09:52:18,560 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:52:18,560 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:52:18,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-02-08 09:52:18,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:52:18,761 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-08 09:52:18,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:52:18,761 INFO L85 PathProgramCache]: Analyzing trace with hash 644590359, now seen corresponding path program 1 times [2025-02-08 09:52:18,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:52:18,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096779133] [2025-02-08 09:52:18,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:52:18,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:52:18,765 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-02-08 09:52:18,770 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-02-08 09:52:18,781 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:52:18,781 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:52:18,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1851944685] [2025-02-08 09:52:18,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:52:18,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:52:18,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:52:18,783 INFO L229 MonitoredProcess]: Starting monitored process 9 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 09:52:18,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-08 09:52:18,802 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-02-08 09:52:18,813 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-02-08 09:52:18,813 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:52:18,813 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:52:18,813 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:52:18,814 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:52:18,912 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 09:52:18,912 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:52:18,993 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 09:52:18,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:52:18,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096779133] [2025-02-08 09:52:18,994 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:52:18,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1851944685] [2025-02-08 09:52:18,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1851944685] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:52:18,994 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:52:18,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-02-08 09:52:18,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524850729] [2025-02-08 09:52:18,994 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:52:18,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:52:18,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:52:18,995 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:52:18,995 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:52:18,995 INFO L87 Difference]: Start difference. First operand 294 states and 357 transitions. Second operand has 8 states, 7 states have (on average 13.0) internal successors, (91), 8 states have internal predecessors, (91), 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 09:52:19,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:52:19,390 INFO L93 Difference]: Finished difference Result 315 states and 363 transitions. [2025-02-08 09:52:19,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:52:19,390 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.0) internal successors, (91), 8 states have internal predecessors, (91), 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 49 [2025-02-08 09:52:19,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:52:19,392 INFO L225 Difference]: With dead ends: 315 [2025-02-08 09:52:19,392 INFO L226 Difference]: Without dead ends: 303 [2025-02-08 09:52:19,392 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:52:19,392 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 187 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:52:19,392 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 233 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 590 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:52:19,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2025-02-08 09:52:19,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 289. [2025-02-08 09:52:19,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 235 states have (on average 1.374468085106383) internal successors, (323), 276 states have internal predecessors, (323), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:52:19,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 339 transitions. [2025-02-08 09:52:19,400 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 339 transitions. Word has length 49 [2025-02-08 09:52:19,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:52:19,401 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 339 transitions. [2025-02-08 09:52:19,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.0) internal successors, (91), 8 states have internal predecessors, (91), 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 09:52:19,401 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 339 transitions. [2025-02-08 09:52:19,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2025-02-08 09:52:19,401 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:52:19,401 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:52:19,407 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-02-08 09:52:19,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-02-08 09:52:19,602 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-08 09:52:19,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:52:19,602 INFO L85 PathProgramCache]: Analyzing trace with hash -848848163, now seen corresponding path program 1 times [2025-02-08 09:52:19,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:52:19,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390628368] [2025-02-08 09:52:19,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:52:19,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:52:19,617 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-02-08 09:52:19,624 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-02-08 09:52:19,624 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:52:19,624 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:52:19,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [438685752] [2025-02-08 09:52:19,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:52:19,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:52:19,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:52:19,627 INFO L229 MonitoredProcess]: Starting monitored process 10 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 09:52:19,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-08 09:52:19,646 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-02-08 09:52:19,657 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-02-08 09:52:19,657 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:52:19,657 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:52:19,658 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:52:19,659 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:52:19,786 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:52:19,786 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:52:19,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:52:19,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390628368] [2025-02-08 09:52:19,786 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:52:19,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438685752] [2025-02-08 09:52:19,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [438685752] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:52:19,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:52:19,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 09:52:19,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355475097] [2025-02-08 09:52:19,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:52:19,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:52:19,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:52:19,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:52:19,787 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:52:19,787 INFO L87 Difference]: Start difference. First operand 289 states and 339 transitions. Second operand has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:52:20,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:52:20,009 INFO L93 Difference]: Finished difference Result 299 states and 349 transitions. [2025-02-08 09:52:20,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:52:20,010 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 56 [2025-02-08 09:52:20,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:52:20,011 INFO L225 Difference]: With dead ends: 299 [2025-02-08 09:52:20,011 INFO L226 Difference]: Without dead ends: 228 [2025-02-08 09:52:20,012 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:52:20,012 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 60 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:52:20,012 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 79 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:52:20,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2025-02-08 09:52:20,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 216. [2025-02-08 09:52:20,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 188 states have (on average 1.1861702127659575) internal successors, (223), 205 states have internal predecessors, (223), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:52:20,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 233 transitions. [2025-02-08 09:52:20,019 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 233 transitions. Word has length 56 [2025-02-08 09:52:20,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:52:20,019 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 233 transitions. [2025-02-08 09:52:20,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:52:20,019 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 233 transitions. [2025-02-08 09:52:20,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2025-02-08 09:52:20,019 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:52:20,019 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:52:20,026 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-02-08 09:52:20,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:52:20,220 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-08 09:52:20,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:52:20,220 INFO L85 PathProgramCache]: Analyzing trace with hash 2105569265, now seen corresponding path program 1 times [2025-02-08 09:52:20,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:52:20,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259168034] [2025-02-08 09:52:20,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:52:20,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:52:20,228 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-02-08 09:52:20,236 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-02-08 09:52:20,236 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:52:20,236 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:52:20,305 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:52:20,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:52:20,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259168034] [2025-02-08 09:52:20,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259168034] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:52:20,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [672354681] [2025-02-08 09:52:20,305 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:52:20,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:52:20,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:52:20,307 INFO L229 MonitoredProcess]: Starting monitored process 11 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 09:52:20,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-02-08 09:52:20,328 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-02-08 09:52:20,340 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-02-08 09:52:20,340 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:52:20,340 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:52:20,341 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:52:20,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:52:20,478 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:52:20,478 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:52:20,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [672354681] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:52:20,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:52:20,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-02-08 09:52:20,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398113536] [2025-02-08 09:52:20,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:52:20,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:52:20,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:52:20,480 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:52:20,480 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:52:20,480 INFO L87 Difference]: Start difference. First operand 216 states and 233 transitions. Second operand has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 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 09:52:20,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:52:20,496 INFO L93 Difference]: Finished difference Result 220 states and 233 transitions. [2025-02-08 09:52:20,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:52:20,496 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 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 76 [2025-02-08 09:52:20,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:52:20,497 INFO L225 Difference]: With dead ends: 220 [2025-02-08 09:52:20,497 INFO L226 Difference]: Without dead ends: 219 [2025-02-08 09:52:20,497 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:52:20,497 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 31 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:52:20,497 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 165 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:52:20,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2025-02-08 09:52:20,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 215. [2025-02-08 09:52:20,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 188 states have (on average 1.1702127659574468) internal successors, (220), 204 states have internal predecessors, (220), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:52:20,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 230 transitions. [2025-02-08 09:52:20,504 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 230 transitions. Word has length 76 [2025-02-08 09:52:20,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:52:20,504 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 230 transitions. [2025-02-08 09:52:20,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 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 09:52:20,504 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 230 transitions. [2025-02-08 09:52:20,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2025-02-08 09:52:20,505 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:52:20,505 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:52:20,512 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-02-08 09:52:20,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-02-08 09:52:20,705 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-08 09:52:20,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:52:20,706 INFO L85 PathProgramCache]: Analyzing trace with hash 2105569214, now seen corresponding path program 1 times [2025-02-08 09:52:20,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:52:20,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58506216] [2025-02-08 09:52:20,706 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:52:20,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:52:20,709 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-02-08 09:52:20,714 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-02-08 09:52:20,714 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:52:20,714 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:52:20,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [288398124] [2025-02-08 09:52:20,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:52:20,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:52:20,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:52:20,717 INFO L229 MonitoredProcess]: Starting monitored process 12 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 09:52:20,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-02-08 09:52:20,736 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-02-08 09:52:20,750 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-02-08 09:52:20,750 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:52:20,750 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:52:20,751 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:52:20,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:52:20,892 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:52:20,892 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:52:21,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:52:21,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58506216] [2025-02-08 09:52:21,022 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:52:21,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288398124] [2025-02-08 09:52:21,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [288398124] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:52:21,022 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:52:21,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-08 09:52:21,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769205766] [2025-02-08 09:52:21,023 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:52:21,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:52:21,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:52:21,023 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:52:21,023 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:52:21,024 INFO L87 Difference]: Start difference. First operand 215 states and 230 transitions. Second operand has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 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 09:52:21,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:52:21,163 INFO L93 Difference]: Finished difference Result 215 states and 230 transitions. [2025-02-08 09:52:21,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:52:21,164 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 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 76 [2025-02-08 09:52:21,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:52:21,164 INFO L225 Difference]: With dead ends: 215 [2025-02-08 09:52:21,164 INFO L226 Difference]: Without dead ends: 214 [2025-02-08 09:52:21,165 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:52:21,165 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 46 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:52:21,165 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 57 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:52:21,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2025-02-08 09:52:21,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2025-02-08 09:52:21,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 188 states have (on average 1.1595744680851063) internal successors, (218), 203 states have internal predecessors, (218), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:52:21,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 228 transitions. [2025-02-08 09:52:21,171 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 228 transitions. Word has length 76 [2025-02-08 09:52:21,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:52:21,172 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 228 transitions. [2025-02-08 09:52:21,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 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 09:52:21,172 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 228 transitions. [2025-02-08 09:52:21,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-02-08 09:52:21,172 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:52:21,172 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:52:21,178 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-02-08 09:52:21,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-02-08 09:52:21,377 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-08 09:52:21,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:52:21,377 INFO L85 PathProgramCache]: Analyzing trace with hash 848137820, now seen corresponding path program 1 times [2025-02-08 09:52:21,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:52:21,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675053879] [2025-02-08 09:52:21,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:52:21,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:52:21,381 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-02-08 09:52:21,384 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-02-08 09:52:21,384 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:52:21,384 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:52:21,428 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:52:21,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:52:21,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675053879] [2025-02-08 09:52:21,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675053879] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:52:21,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1349078520] [2025-02-08 09:52:21,429 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:52:21,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:52:21,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:52:21,431 INFO L229 MonitoredProcess]: Starting monitored process 13 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 09:52:21,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-02-08 09:52:21,453 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-02-08 09:52:21,464 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-02-08 09:52:21,464 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:52:21,464 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:52:21,465 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:52:21,466 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:52:21,571 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:52:21,571 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:52:21,652 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:52:21,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1349078520] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:52:21,653 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:52:21,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-02-08 09:52:21,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491921072] [2025-02-08 09:52:21,653 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:52:21,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:52:21,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:52:21,654 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:52:21,654 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:52:21,654 INFO L87 Difference]: Start difference. First operand 214 states and 228 transitions. Second operand has 7 states, 6 states have (on average 27.833333333333332) internal successors, (167), 7 states have internal predecessors, (167), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:52:21,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:52:21,683 INFO L93 Difference]: Finished difference Result 252 states and 261 transitions. [2025-02-08 09:52:21,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:52:21,683 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 27.833333333333332) internal successors, (167), 7 states have internal predecessors, (167), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 77 [2025-02-08 09:52:21,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:52:21,684 INFO L225 Difference]: With dead ends: 252 [2025-02-08 09:52:21,684 INFO L226 Difference]: Without dead ends: 251 [2025-02-08 09:52:21,685 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:52:21,685 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 19 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:52:21,685 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 348 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:52:21,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2025-02-08 09:52:21,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 240. [2025-02-08 09:52:21,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 213 states have (on average 1.1549295774647887) internal successors, (246), 228 states have internal predecessors, (246), 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 09:52:21,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 258 transitions. [2025-02-08 09:52:21,692 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 258 transitions. Word has length 77 [2025-02-08 09:52:21,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:52:21,692 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 258 transitions. [2025-02-08 09:52:21,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 27.833333333333332) internal successors, (167), 7 states have internal predecessors, (167), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:52:21,692 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 258 transitions. [2025-02-08 09:52:21,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-02-08 09:52:21,692 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:52:21,693 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:52:21,698 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-02-08 09:52:21,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:52:21,893 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-08 09:52:21,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:52:21,893 INFO L85 PathProgramCache]: Analyzing trace with hash 848136219, now seen corresponding path program 1 times [2025-02-08 09:52:21,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:52:21,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657358553] [2025-02-08 09:52:21,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:52:21,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:52:21,897 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-02-08 09:52:21,907 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-02-08 09:52:21,908 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:52:21,908 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:52:21,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1149986370] [2025-02-08 09:52:21,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:52:21,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:52:21,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:52:21,915 INFO L229 MonitoredProcess]: Starting monitored process 14 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 09:52:21,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-02-08 09:52:21,990 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-02-08 09:52:22,006 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-02-08 09:52:22,007 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:52:22,007 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:52:22,009 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 09:52:22,009 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:52:22,222 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:52:22,222 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:52:22,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:52:22,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657358553] [2025-02-08 09:52:22,263 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:52:22,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149986370] [2025-02-08 09:52:22,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149986370] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:52:22,263 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:52:22,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-08 09:52:22,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482763246] [2025-02-08 09:52:22,263 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:52:22,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:52:22,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:52:22,264 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:52:22,264 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:52:22,264 INFO L87 Difference]: Start difference. First operand 240 states and 258 transitions. Second operand has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 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 09:52:22,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:52:22,447 INFO L93 Difference]: Finished difference Result 248 states and 266 transitions. [2025-02-08 09:52:22,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:52:22,447 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 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 77 [2025-02-08 09:52:22,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:52:22,448 INFO L225 Difference]: With dead ends: 248 [2025-02-08 09:52:22,448 INFO L226 Difference]: Without dead ends: 245 [2025-02-08 09:52:22,448 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:52:22,449 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 6 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:52:22,449 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 107 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:52:22,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2025-02-08 09:52:22,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 245. [2025-02-08 09:52:22,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 218 states have (on average 1.151376146788991) internal successors, (251), 233 states have internal predecessors, (251), 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 09:52:22,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 263 transitions. [2025-02-08 09:52:22,461 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 263 transitions. Word has length 77 [2025-02-08 09:52:22,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:52:22,461 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 263 transitions. [2025-02-08 09:52:22,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 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 09:52:22,461 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 263 transitions. [2025-02-08 09:52:22,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-02-08 09:52:22,461 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:52:22,461 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:52:22,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-02-08 09:52:22,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:52:22,665 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-08 09:52:22,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:52:22,665 INFO L85 PathProgramCache]: Analyzing trace with hash -466479366, now seen corresponding path program 1 times [2025-02-08 09:52:22,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:52:22,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821453966] [2025-02-08 09:52:22,665 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:52:22,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:52:22,669 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-02-08 09:52:22,675 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-02-08 09:52:22,676 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:52:22,676 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:52:22,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [366622602] [2025-02-08 09:52:22,677 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:52:22,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:52:22,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:52:22,679 INFO L229 MonitoredProcess]: Starting monitored process 15 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 09:52:22,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-02-08 09:52:22,699 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-02-08 09:52:22,711 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-02-08 09:52:22,712 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:52:22,712 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:52:22,712 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 09:52:22,713 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:52:22,879 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:52:22,880 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:52:22,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:52:22,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821453966] [2025-02-08 09:52:22,988 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:52:22,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [366622602] [2025-02-08 09:52:22,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [366622602] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:52:22,988 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:52:22,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-08 09:52:22,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161369276] [2025-02-08 09:52:22,989 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:52:22,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:52:22,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:52:22,989 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:52:22,989 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:52:22,989 INFO L87 Difference]: Start difference. First operand 245 states and 263 transitions. Second operand has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 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 09:52:23,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:52:23,145 INFO L93 Difference]: Finished difference Result 246 states and 263 transitions. [2025-02-08 09:52:23,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:52:23,145 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 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 80 [2025-02-08 09:52:23,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:52:23,146 INFO L225 Difference]: With dead ends: 246 [2025-02-08 09:52:23,146 INFO L226 Difference]: Without dead ends: 240 [2025-02-08 09:52:23,147 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:52:23,147 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 6 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:52:23,147 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 114 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:52:23,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2025-02-08 09:52:23,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 240. [2025-02-08 09:52:23,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 213 states have (on average 1.1502347417840375) internal successors, (245), 228 states have internal predecessors, (245), 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 09:52:23,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 257 transitions. [2025-02-08 09:52:23,153 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 257 transitions. Word has length 80 [2025-02-08 09:52:23,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:52:23,153 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 257 transitions. [2025-02-08 09:52:23,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 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 09:52:23,153 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 257 transitions. [2025-02-08 09:52:23,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-02-08 09:52:23,153 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:52:23,153 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:52:23,160 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-02-08 09:52:23,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2025-02-08 09:52:23,354 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-08 09:52:23,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:52:23,354 INFO L85 PathProgramCache]: Analyzing trace with hash -96785640, now seen corresponding path program 1 times [2025-02-08 09:52:23,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:52:23,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192849984] [2025-02-08 09:52:23,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:52:23,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:52:23,363 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-02-08 09:52:23,368 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-02-08 09:52:23,368 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:52:23,368 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:52:23,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [642600593] [2025-02-08 09:52:23,405 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:52:23,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:52:23,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:52:23,406 INFO L229 MonitoredProcess]: Starting monitored process 16 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 09:52:23,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-02-08 09:52:23,425 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-02-08 09:52:23,437 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-02-08 09:52:23,437 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:52:23,437 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:52:23,439 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:52:23,440 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:52:23,514 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:52:23,514 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:52:23,640 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:52:23,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:52:23,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192849984] [2025-02-08 09:52:23,640 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:52:23,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642600593] [2025-02-08 09:52:23,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [642600593] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:52:23,640 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:52:23,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-02-08 09:52:23,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376097243] [2025-02-08 09:52:23,640 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:52:23,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:52:23,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:52:23,641 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:52:23,641 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:52:23,641 INFO L87 Difference]: Start difference. First operand 240 states and 257 transitions. Second operand has 8 states, 7 states have (on average 20.714285714285715) internal successors, (145), 8 states have internal predecessors, (145), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:52:23,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:52:23,857 INFO L93 Difference]: Finished difference Result 248 states and 265 transitions. [2025-02-08 09:52:23,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:52:23,860 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 20.714285714285715) internal successors, (145), 8 states have internal predecessors, (145), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 81 [2025-02-08 09:52:23,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:52:23,861 INFO L225 Difference]: With dead ends: 248 [2025-02-08 09:52:23,861 INFO L226 Difference]: Without dead ends: 242 [2025-02-08 09:52:23,861 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:52:23,862 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 150 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:52:23,863 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 149 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:52:23,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2025-02-08 09:52:23,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 236. [2025-02-08 09:52:23,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 213 states have (on average 1.1032863849765258) internal successors, (235), 224 states have internal predecessors, (235), 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 09:52:23,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 247 transitions. [2025-02-08 09:52:23,872 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 247 transitions. Word has length 81 [2025-02-08 09:52:23,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:52:23,872 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 247 transitions. [2025-02-08 09:52:23,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 20.714285714285715) internal successors, (145), 8 states have internal predecessors, (145), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:52:23,872 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 247 transitions. [2025-02-08 09:52:23,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2025-02-08 09:52:23,873 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:52:23,873 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2025-02-08 09:52:23,882 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2025-02-08 09:52:24,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:52:24,076 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-08 09:52:24,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:52:24,077 INFO L85 PathProgramCache]: Analyzing trace with hash 341732242, now seen corresponding path program 2 times [2025-02-08 09:52:24,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:52:24,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815497735] [2025-02-08 09:52:24,077 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:52:24,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:52:24,084 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 119 statements into 2 equivalence classes. [2025-02-08 09:52:24,099 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 119 of 119 statements. [2025-02-08 09:52:24,100 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:52:24,100 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:52:24,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [727902628] [2025-02-08 09:52:24,100 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:52:24,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:52:24,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:52:24,121 INFO L229 MonitoredProcess]: Starting monitored process 17 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 09:52:24,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-02-08 09:52:24,153 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 119 statements into 2 equivalence classes. [2025-02-08 09:52:24,166 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 35 of 119 statements. [2025-02-08 09:52:24,166 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 09:52:24,166 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:52:24,167 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:52:24,168 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:52:24,492 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2025-02-08 09:52:24,492 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:52:24,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:52:24,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815497735] [2025-02-08 09:52:24,495 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:52:24,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727902628] [2025-02-08 09:52:24,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727902628] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:52:24,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:52:24,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:52:24,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989358084] [2025-02-08 09:52:24,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:52:24,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:52:24,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:52:24,496 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:52:24,496 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:52:24,496 INFO L87 Difference]: Start difference. First operand 236 states and 247 transitions. Second operand has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 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 09:52:24,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:52:24,633 INFO L93 Difference]: Finished difference Result 238 states and 247 transitions. [2025-02-08 09:52:24,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:52:24,634 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 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 119 [2025-02-08 09:52:24,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:52:24,635 INFO L225 Difference]: With dead ends: 238 [2025-02-08 09:52:24,635 INFO L226 Difference]: Without dead ends: 229 [2025-02-08 09:52:24,635 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:52:24,635 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 42 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:52:24,635 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 60 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:52:24,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2025-02-08 09:52:24,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2025-02-08 09:52:24,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 207 states have (on average 1.077294685990338) internal successors, (223), 217 states have internal predecessors, (223), 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 09:52:24,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 235 transitions. [2025-02-08 09:52:24,652 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 235 transitions. Word has length 119 [2025-02-08 09:52:24,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:52:24,652 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 235 transitions. [2025-02-08 09:52:24,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 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 09:52:24,653 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 235 transitions. [2025-02-08 09:52:24,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2025-02-08 09:52:24,653 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:52:24,653 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1] [2025-02-08 09:52:24,659 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-02-08 09:52:24,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:52:24,855 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-08 09:52:24,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:52:24,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1534916525, now seen corresponding path program 1 times [2025-02-08 09:52:24,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:52:24,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620236030] [2025-02-08 09:52:24,855 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:52:24,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:52:24,859 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-02-08 09:52:24,869 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-02-08 09:52:24,869 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:52:24,869 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:52:24,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [37516144] [2025-02-08 09:52:24,870 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:52:24,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:52:24,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:52:24,874 INFO L229 MonitoredProcess]: Starting monitored process 18 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 09:52:24,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-02-08 09:52:24,895 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-02-08 09:52:24,911 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-02-08 09:52:24,911 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:52:24,911 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:52:24,912 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:52:24,913 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:52:25,029 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:52:25,029 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:52:25,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:52:25,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620236030] [2025-02-08 09:52:25,097 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:52:25,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [37516144] [2025-02-08 09:52:25,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [37516144] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:52:25,097 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:52:25,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-08 09:52:25,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549453840] [2025-02-08 09:52:25,097 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:52:25,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:52:25,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:52:25,098 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:52:25,098 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:52:25,098 INFO L87 Difference]: Start difference. First operand 229 states and 235 transitions. Second operand has 6 states, 5 states have (on average 22.6) internal successors, (113), 6 states have internal predecessors, (113), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:52:25,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:52:25,392 INFO L93 Difference]: Finished difference Result 234 states and 237 transitions. [2025-02-08 09:52:25,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:52:25,392 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.6) internal successors, (113), 6 states have internal predecessors, (113), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 125 [2025-02-08 09:52:25,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:52:25,393 INFO L225 Difference]: With dead ends: 234 [2025-02-08 09:52:25,393 INFO L226 Difference]: Without dead ends: 232 [2025-02-08 09:52:25,394 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:52:25,394 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 34 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:52:25,394 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 113 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:52:25,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2025-02-08 09:52:25,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 229. [2025-02-08 09:52:25,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 207 states have (on average 1.067632850241546) internal successors, (221), 217 states have internal predecessors, (221), 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 09:52:25,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 233 transitions. [2025-02-08 09:52:25,400 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 233 transitions. Word has length 125 [2025-02-08 09:52:25,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:52:25,401 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 233 transitions. [2025-02-08 09:52:25,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.6) internal successors, (113), 6 states have internal predecessors, (113), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:52:25,412 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 233 transitions. [2025-02-08 09:52:25,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2025-02-08 09:52:25,416 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:52:25,416 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1] [2025-02-08 09:52:25,426 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-02-08 09:52:25,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:52:25,617 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-08 09:52:25,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:52:25,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1880998987, now seen corresponding path program 1 times [2025-02-08 09:52:25,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:52:25,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272301010] [2025-02-08 09:52:25,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:52:25,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:52:25,622 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-02-08 09:52:25,633 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-02-08 09:52:25,633 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:52:25,633 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:52:25,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [367235412] [2025-02-08 09:52:25,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:52:25,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:52:25,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:52:25,637 INFO L229 MonitoredProcess]: Starting monitored process 19 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 09:52:25,638 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-02-08 09:52:25,657 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-02-08 09:52:25,673 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-02-08 09:52:25,673 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:52:25,673 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:52:25,674 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-08 09:52:25,675 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:52:25,934 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 3 proven. 117 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 09:52:25,934 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:52:26,795 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 3 proven. 117 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 09:52:26,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:52:26,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272301010] [2025-02-08 09:52:26,795 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:52:26,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367235412] [2025-02-08 09:52:26,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [367235412] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:52:26,795 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:52:26,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11] total 18 [2025-02-08 09:52:26,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49895653] [2025-02-08 09:52:26,795 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:52:26,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-02-08 09:52:26,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:52:26,796 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-02-08 09:52:26,796 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2025-02-08 09:52:26,796 INFO L87 Difference]: Start difference. First operand 229 states and 233 transitions. Second operand has 19 states, 18 states have (on average 12.88888888888889) internal successors, (232), 19 states have internal predecessors, (232), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:52:29,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-08 09:52:31,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-08 09:52:32,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:52:32,592 INFO L93 Difference]: Finished difference Result 229 states and 233 transitions. [2025-02-08 09:52:32,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-02-08 09:52:32,592 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 12.88888888888889) internal successors, (232), 19 states have internal predecessors, (232), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 127 [2025-02-08 09:52:32,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:52:32,593 INFO L225 Difference]: With dead ends: 229 [2025-02-08 09:52:32,593 INFO L226 Difference]: Without dead ends: 228 [2025-02-08 09:52:32,593 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=170, Invalid=430, Unknown=0, NotChecked=0, Total=600 [2025-02-08 09:52:32,593 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 173 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 844 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 844 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:52:32,594 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 210 Invalid, 876 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 844 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2025-02-08 09:52:32,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2025-02-08 09:52:32,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2025-02-08 09:52:32,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 207 states have (on average 1.0579710144927537) internal successors, (219), 216 states have internal predecessors, (219), 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 09:52:32,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 231 transitions. [2025-02-08 09:52:32,605 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 231 transitions. Word has length 127 [2025-02-08 09:52:32,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:52:32,605 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 231 transitions. [2025-02-08 09:52:32,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 12.88888888888889) internal successors, (232), 19 states have internal predecessors, (232), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:52:32,606 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 231 transitions. [2025-02-08 09:52:32,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2025-02-08 09:52:32,606 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:52:32,606 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1] [2025-02-08 09:52:32,612 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2025-02-08 09:52:32,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2025-02-08 09:52:32,807 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-08 09:52:32,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:52:32,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1628725691, now seen corresponding path program 2 times [2025-02-08 09:52:32,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:52:32,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290510508] [2025-02-08 09:52:32,811 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:52:32,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:52:32,818 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 133 statements into 2 equivalence classes. [2025-02-08 09:52:32,825 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 133 of 133 statements. [2025-02-08 09:52:32,825 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:52:32,825 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:52:32,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1246384561] [2025-02-08 09:52:32,827 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:52:32,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:52:32,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:52:32,874 INFO L229 MonitoredProcess]: Starting monitored process 20 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 09:52:32,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-02-08 09:52:32,901 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 133 statements into 2 equivalence classes. [2025-02-08 09:52:32,925 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 133 of 133 statements. [2025-02-08 09:52:32,925 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:52:32,925 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:52:32,926 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-02-08 09:52:32,927 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:52:33,267 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:52:33,267 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:52:33,643 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:52:33,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:52:33,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290510508] [2025-02-08 09:52:33,643 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:52:33,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1246384561] [2025-02-08 09:52:33,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1246384561] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:52:33,643 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:52:33,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-02-08 09:52:33,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58305128] [2025-02-08 09:52:33,643 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:52:33,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-08 09:52:33,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:52:33,648 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-08 09:52:33,649 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:52:33,649 INFO L87 Difference]: Start difference. First operand 228 states and 231 transitions. Second operand has 16 states, 15 states have (on average 15.933333333333334) internal successors, (239), 16 states have internal predecessors, (239), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:52:34,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:52:34,524 INFO L93 Difference]: Finished difference Result 365 states and 391 transitions. [2025-02-08 09:52:34,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-02-08 09:52:34,524 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 15.933333333333334) internal successors, (239), 16 states have internal predecessors, (239), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 133 [2025-02-08 09:52:34,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:52:34,525 INFO L225 Difference]: With dead ends: 365 [2025-02-08 09:52:34,525 INFO L226 Difference]: Without dead ends: 362 [2025-02-08 09:52:34,525 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=155, Invalid=307, Unknown=0, NotChecked=0, Total=462 [2025-02-08 09:52:34,526 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 298 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 1205 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 1226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-08 09:52:34,526 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [300 Valid, 330 Invalid, 1226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1205 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-08 09:52:34,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2025-02-08 09:52:34,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 327. [2025-02-08 09:52:34,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 303 states have (on average 1.0792079207920793) internal successors, (327), 312 states have internal predecessors, (327), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-08 09:52:34,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 345 transitions. [2025-02-08 09:52:34,538 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 345 transitions. Word has length 133 [2025-02-08 09:52:34,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:52:34,538 INFO L471 AbstractCegarLoop]: Abstraction has 327 states and 345 transitions. [2025-02-08 09:52:34,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 15.933333333333334) internal successors, (239), 16 states have internal predecessors, (239), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:52:34,538 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 345 transitions. [2025-02-08 09:52:34,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2025-02-08 09:52:34,539 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:52:34,539 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1] [2025-02-08 09:52:34,545 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-02-08 09:52:34,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:52:34,740 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-08 09:52:34,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:52:34,741 INFO L85 PathProgramCache]: Analyzing trace with hash 2078257215, now seen corresponding path program 1 times [2025-02-08 09:52:34,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:52:34,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66165180] [2025-02-08 09:52:34,741 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:52:34,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:52:34,745 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-02-08 09:52:34,761 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-02-08 09:52:34,761 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:52:34,761 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:52:34,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1919457811] [2025-02-08 09:52:34,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:52:34,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:52:34,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:52:34,782 INFO L229 MonitoredProcess]: Starting monitored process 21 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 09:52:34,789 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-02-08 09:52:34,817 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-02-08 09:52:34,845 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-02-08 09:52:34,846 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:52:34,846 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:52:34,850 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:52:34,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:52:34,950 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:52:34,950 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:52:35,227 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:52:35,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:52:35,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66165180] [2025-02-08 09:52:35,227 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:52:35,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1919457811] [2025-02-08 09:52:35,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1919457811] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:52:35,227 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:52:35,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-02-08 09:52:35,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618755119] [2025-02-08 09:52:35,227 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:52:35,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:52:35,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:52:35,228 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:52:35,228 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:52:35,228 INFO L87 Difference]: Start difference. First operand 327 states and 345 transitions. Second operand has 10 states, 9 states have (on average 27.88888888888889) internal successors, (251), 10 states have internal predecessors, (251), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:52:35,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:52:35,764 INFO L93 Difference]: Finished difference Result 432 states and 463 transitions. [2025-02-08 09:52:35,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 09:52:35,764 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 27.88888888888889) internal successors, (251), 10 states have internal predecessors, (251), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 139 [2025-02-08 09:52:35,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:52:35,765 INFO L225 Difference]: With dead ends: 432 [2025-02-08 09:52:35,765 INFO L226 Difference]: Without dead ends: 391 [2025-02-08 09:52:35,766 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:52:35,766 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 253 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:52:35,766 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 274 Invalid, 704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 675 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:52:35,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2025-02-08 09:52:35,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 376. [2025-02-08 09:52:35,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 351 states have (on average 1.0598290598290598) internal successors, (372), 360 states have internal predecessors, (372), 10 states have call successors, (10), 5 states have call predecessors, (10), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 09:52:35,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 392 transitions. [2025-02-08 09:52:35,787 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 392 transitions. Word has length 139 [2025-02-08 09:52:35,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:52:35,787 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 392 transitions. [2025-02-08 09:52:35,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 27.88888888888889) internal successors, (251), 10 states have internal predecessors, (251), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:52:35,788 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 392 transitions. [2025-02-08 09:52:35,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2025-02-08 09:52:35,788 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:52:35,788 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1] [2025-02-08 09:52:35,794 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2025-02-08 09:52:35,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-02-08 09:52:35,992 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-08 09:52:35,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:52:35,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1937265635, now seen corresponding path program 1 times [2025-02-08 09:52:35,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:52:35,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755177271] [2025-02-08 09:52:35,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:52:35,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:52:35,998 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 175 statements into 1 equivalence classes. [2025-02-08 09:52:36,004 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 175 of 175 statements. [2025-02-08 09:52:36,004 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:52:36,004 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:52:36,194 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 244 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:52:36,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:52:36,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755177271] [2025-02-08 09:52:36,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755177271] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:52:36,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94521337] [2025-02-08 09:52:36,195 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:52:36,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:52:36,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:52:36,197 INFO L229 MonitoredProcess]: Starting monitored process 22 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 09:52:36,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-02-08 09:52:36,219 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 175 statements into 1 equivalence classes. [2025-02-08 09:52:36,240 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 175 of 175 statements. [2025-02-08 09:52:36,241 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:52:36,241 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:52:36,242 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-08 09:52:36,243 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:52:36,386 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 268 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:52:36,387 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:52:36,531 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 244 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:52:36,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94521337] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:52:36,531 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:52:36,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 12] total 15 [2025-02-08 09:52:36,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94942434] [2025-02-08 09:52:36,531 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:52:36,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-02-08 09:52:36,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:52:36,532 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-02-08 09:52:36,532 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2025-02-08 09:52:36,532 INFO L87 Difference]: Start difference. First operand 376 states and 392 transitions. Second operand has 15 states, 15 states have (on average 11.666666666666666) internal successors, (175), 15 states have internal predecessors, (175), 4 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2025-02-08 09:52:36,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:52:36,612 INFO L93 Difference]: Finished difference Result 387 states and 401 transitions. [2025-02-08 09:52:36,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-02-08 09:52:36,612 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 11.666666666666666) internal successors, (175), 15 states have internal predecessors, (175), 4 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 175 [2025-02-08 09:52:36,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:52:36,613 INFO L225 Difference]: With dead ends: 387 [2025-02-08 09:52:36,614 INFO L226 Difference]: Without dead ends: 380 [2025-02-08 09:52:36,614 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 338 SyntacticMatches, 10 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=166, Invalid=340, Unknown=0, NotChecked=0, Total=506 [2025-02-08 09:52:36,614 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 27 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:52:36,614 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 463 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:52:36,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2025-02-08 09:52:36,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2025-02-08 09:52:36,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 354 states have (on average 1.0564971751412429) internal successors, (374), 363 states have internal predecessors, (374), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 09:52:36,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 394 transitions. [2025-02-08 09:52:36,633 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 394 transitions. Word has length 175 [2025-02-08 09:52:36,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:52:36,633 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 394 transitions. [2025-02-08 09:52:36,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 11.666666666666666) internal successors, (175), 15 states have internal predecessors, (175), 4 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2025-02-08 09:52:36,633 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 394 transitions. [2025-02-08 09:52:36,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2025-02-08 09:52:36,635 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:52:36,635 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1] [2025-02-08 09:52:36,640 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-02-08 09:52:36,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-02-08 09:52:36,835 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-08 09:52:36,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:52:36,836 INFO L85 PathProgramCache]: Analyzing trace with hash -962700671, now seen corresponding path program 2 times [2025-02-08 09:52:36,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:52:36,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962864379] [2025-02-08 09:52:36,836 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:52:36,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:52:36,841 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 203 statements into 2 equivalence classes. [2025-02-08 09:52:36,842 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 35 of 203 statements. [2025-02-08 09:52:36,842 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 09:52:36,842 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:52:36,862 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2025-02-08 09:52:36,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:52:36,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962864379] [2025-02-08 09:52:36,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962864379] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:52:36,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [682454154] [2025-02-08 09:52:36,863 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:52:36,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:52:36,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:52:36,864 INFO L229 MonitoredProcess]: Starting monitored process 23 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 09:52:36,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-02-08 09:52:36,888 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 203 statements into 2 equivalence classes. [2025-02-08 09:52:36,894 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 35 of 203 statements. [2025-02-08 09:52:36,894 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 09:52:36,894 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:52:36,894 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:52:36,897 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:52:37,041 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2025-02-08 09:52:37,042 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:52:37,209 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2025-02-08 09:52:37,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [682454154] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:52:37,210 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:52:37,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2025-02-08 09:52:37,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000870968] [2025-02-08 09:52:37,210 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:52:37,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:52:37,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:52:37,211 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:52:37,211 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:52:37,211 INFO L87 Difference]: Start difference. First operand 380 states and 394 transitions. Second operand has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 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 09:52:37,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:52:37,247 INFO L93 Difference]: Finished difference Result 380 states and 394 transitions. [2025-02-08 09:52:37,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:52:37,248 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 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 203 [2025-02-08 09:52:37,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:52:37,249 INFO L225 Difference]: With dead ends: 380 [2025-02-08 09:52:37,249 INFO L226 Difference]: Without dead ends: 379 [2025-02-08 09:52:37,249 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 409 GetRequests, 403 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:52:37,249 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 130 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:52:37,253 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 125 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:52:37,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2025-02-08 09:52:37,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2025-02-08 09:52:37,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 354 states have (on average 1.0451977401129944) internal successors, (370), 362 states have internal predecessors, (370), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 09:52:37,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 390 transitions. [2025-02-08 09:52:37,275 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 390 transitions. Word has length 203 [2025-02-08 09:52:37,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:52:37,275 INFO L471 AbstractCegarLoop]: Abstraction has 379 states and 390 transitions. [2025-02-08 09:52:37,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 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 09:52:37,276 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 390 transitions. [2025-02-08 09:52:37,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2025-02-08 09:52:37,278 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:52:37,278 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1] [2025-02-08 09:52:37,284 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2025-02-08 09:52:37,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-02-08 09:52:37,479 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-08 09:52:37,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:52:37,480 INFO L85 PathProgramCache]: Analyzing trace with hash -497567276, now seen corresponding path program 2 times [2025-02-08 09:52:37,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:52:37,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631747858] [2025-02-08 09:52:37,480 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:52:37,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:52:37,488 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 217 statements into 2 equivalence classes. [2025-02-08 09:52:37,507 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 217 of 217 statements. [2025-02-08 09:52:37,508 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:52:37,508 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:52:37,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1317945588] [2025-02-08 09:52:37,510 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:52:37,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:52:37,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:52:37,512 INFO L229 MonitoredProcess]: Starting monitored process 24 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 09:52:37,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-02-08 09:52:37,537 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 217 statements into 2 equivalence classes. [2025-02-08 09:52:37,577 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 217 of 217 statements. [2025-02-08 09:52:37,578 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:52:37,578 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:52:37,579 INFO L256 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-02-08 09:52:37,580 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:52:37,968 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 400 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:52:37,968 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:52:38,881 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 400 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:52:38,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:52:38,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631747858] [2025-02-08 09:52:38,882 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:52:38,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1317945588] [2025-02-08 09:52:38,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1317945588] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:52:38,882 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:52:38,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-02-08 09:52:38,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703985309] [2025-02-08 09:52:38,882 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:52:38,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-08 09:52:38,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:52:38,883 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-08 09:52:38,883 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:52:38,883 INFO L87 Difference]: Start difference. First operand 379 states and 390 transitions. Second operand has 14 states, 13 states have (on average 29.76923076923077) internal successors, (387), 14 states have internal predecessors, (387), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 09:52:39,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:52:39,872 INFO L93 Difference]: Finished difference Result 613 states and 656 transitions. [2025-02-08 09:52:39,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-08 09:52:39,873 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 29.76923076923077) internal successors, (387), 14 states have internal predecessors, (387), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Word has length 217 [2025-02-08 09:52:39,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:52:39,874 INFO L225 Difference]: With dead ends: 613 [2025-02-08 09:52:39,874 INFO L226 Difference]: Without dead ends: 612 [2025-02-08 09:52:39,875 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 437 GetRequests, 420 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=131, Invalid=211, Unknown=0, NotChecked=0, Total=342 [2025-02-08 09:52:39,875 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 456 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 1428 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 459 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 1450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-02-08 09:52:39,875 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [459 Valid, 504 Invalid, 1450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1428 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-02-08 09:52:39,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2025-02-08 09:52:39,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 525. [2025-02-08 09:52:39,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 496 states have (on average 1.0625) internal successors, (527), 504 states have internal predecessors, (527), 14 states have call successors, (14), 6 states have call predecessors, (14), 6 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-08 09:52:39,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 555 transitions. [2025-02-08 09:52:39,895 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 555 transitions. Word has length 217 [2025-02-08 09:52:39,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:52:39,896 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 555 transitions. [2025-02-08 09:52:39,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 29.76923076923077) internal successors, (387), 14 states have internal predecessors, (387), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 09:52:39,896 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 555 transitions. [2025-02-08 09:52:39,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2025-02-08 09:52:39,896 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:52:39,897 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:52:39,904 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-02-08 09:52:40,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:52:40,098 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-08 09:52:40,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:52:40,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1094558047, now seen corresponding path program 1 times [2025-02-08 09:52:40,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:52:40,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387252032] [2025-02-08 09:52:40,098 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:52:40,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:52:40,104 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 220 statements into 1 equivalence classes. [2025-02-08 09:52:40,121 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 220 of 220 statements. [2025-02-08 09:52:40,121 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:52:40,121 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:52:40,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2058641844] [2025-02-08 09:52:40,121 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:52:40,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:52:40,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:52:40,124 INFO L229 MonitoredProcess]: Starting monitored process 25 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 09:52:40,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-02-08 09:52:40,146 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 220 statements into 1 equivalence classes. [2025-02-08 09:52:40,169 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 220 of 220 statements. [2025-02-08 09:52:40,169 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:52:40,169 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:52:40,170 INFO L256 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-08 09:52:40,172 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:52:40,527 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 400 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:52:40,527 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:52:40,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:52:40,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387252032] [2025-02-08 09:52:40,997 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:52:40,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2058641844] [2025-02-08 09:52:40,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2058641844] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:52:40,997 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:52:40,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-08 09:52:40,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609419006] [2025-02-08 09:52:40,997 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:52:40,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:52:40,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:52:40,997 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:52:40,998 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:52:40,998 INFO L87 Difference]: Start difference. First operand 525 states and 555 transitions. Second operand has 9 states, 8 states have (on average 24.75) internal successors, (198), 9 states have internal predecessors, (198), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:52:41,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:52:41,382 INFO L93 Difference]: Finished difference Result 531 states and 560 transitions. [2025-02-08 09:52:41,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 09:52:41,382 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 24.75) internal successors, (198), 9 states have internal predecessors, (198), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 220 [2025-02-08 09:52:41,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:52:41,384 INFO L225 Difference]: With dead ends: 531 [2025-02-08 09:52:41,384 INFO L226 Difference]: Without dead ends: 525 [2025-02-08 09:52:41,384 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 409 GetRequests, 394 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:52:41,384 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 29 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 1371 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 1371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:52:41,385 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 461 Invalid, 1371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1371 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:52:41,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2025-02-08 09:52:41,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 525. [2025-02-08 09:52:41,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 496 states have (on average 1.060483870967742) internal successors, (526), 504 states have internal predecessors, (526), 14 states have call successors, (14), 6 states have call predecessors, (14), 6 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-08 09:52:41,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 554 transitions. [2025-02-08 09:52:41,401 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 554 transitions. Word has length 220 [2025-02-08 09:52:41,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:52:41,402 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 554 transitions. [2025-02-08 09:52:41,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 24.75) internal successors, (198), 9 states have internal predecessors, (198), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:52:41,402 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 554 transitions. [2025-02-08 09:52:41,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2025-02-08 09:52:41,403 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:52:41,403 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:52:41,409 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-02-08 09:52:41,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2025-02-08 09:52:41,603 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2025-02-08 09:52:41,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:52:41,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1100590666, now seen corresponding path program 2 times [2025-02-08 09:52:41,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:52:41,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998193403] [2025-02-08 09:52:41,604 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:52:41,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:52:41,613 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 262 statements into 2 equivalence classes. [2025-02-08 09:52:41,621 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 262 of 262 statements. [2025-02-08 09:52:41,621 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:52:41,622 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:52:41,858 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 570 proven. 24 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:52:41,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:52:41,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998193403] [2025-02-08 09:52:41,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998193403] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:52:41,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922109630] [2025-02-08 09:52:41,858 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:52:41,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:52:41,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:52:41,860 INFO L229 MonitoredProcess]: Starting monitored process 26 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 09:52:41,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-02-08 09:52:41,884 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 262 statements into 2 equivalence classes. [2025-02-08 09:52:41,918 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 262 of 262 statements. [2025-02-08 09:52:41,918 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:52:41,918 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:52:41,921 INFO L256 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-08 09:52:41,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:52:42,120 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 649 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:52:42,120 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:52:42,349 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 589 proven. 5 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:52:42,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922109630] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:52:42,349 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:52:42,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 14] total 17 [2025-02-08 09:52:42,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008948184] [2025-02-08 09:52:42,350 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:52:42,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-02-08 09:52:42,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:52:42,350 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-02-08 09:52:42,351 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:52:42,351 INFO L87 Difference]: Start difference. First operand 525 states and 554 transitions. Second operand has 17 states, 17 states have (on average 15.176470588235293) internal successors, (258), 17 states have internal predecessors, (258), 6 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2025-02-08 09:52:42,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:52:42,483 INFO L93 Difference]: Finished difference Result 529 states and 557 transitions. [2025-02-08 09:52:42,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-02-08 09:52:42,484 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 15.176470588235293) internal successors, (258), 17 states have internal predecessors, (258), 6 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 262 [2025-02-08 09:52:42,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:52:42,484 INFO L225 Difference]: With dead ends: 529 [2025-02-08 09:52:42,484 INFO L226 Difference]: Without dead ends: 0 [2025-02-08 09:52:42,485 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 547 GetRequests, 511 SyntacticMatches, 11 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=199, Invalid=503, Unknown=0, NotChecked=0, Total=702 [2025-02-08 09:52:42,485 INFO L435 NwaCegarLoop]: 191 mSDtfsCounter, 20 mSDsluCounter, 1002 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 1193 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:52:42,485 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 1193 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:52:42,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-08 09:52:42,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-08 09:52:42,487 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 09:52:42,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-08 09:52:42,487 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 262 [2025-02-08 09:52:42,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:52:42,487 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 09:52:42,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 15.176470588235293) internal successors, (258), 17 states have internal predecessors, (258), 6 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2025-02-08 09:52:42,487 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-08 09:52:42,488 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-08 09:52:42,489 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 62 remaining) [2025-02-08 09:52:42,489 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 62 remaining) [2025-02-08 09:52:42,490 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 62 remaining) [2025-02-08 09:52:42,490 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 62 remaining) [2025-02-08 09:52:42,490 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 62 remaining) [2025-02-08 09:52:42,490 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 62 remaining) [2025-02-08 09:52:42,490 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 62 remaining) [2025-02-08 09:52:42,493 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 62 remaining) [2025-02-08 09:52:42,493 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 62 remaining) [2025-02-08 09:52:42,493 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 62 remaining) [2025-02-08 09:52:42,493 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 62 remaining) [2025-02-08 09:52:42,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 62 remaining) [2025-02-08 09:52:42,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 62 remaining) [2025-02-08 09:52:42,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 62 remaining) [2025-02-08 09:52:42,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 62 remaining) [2025-02-08 09:52:42,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 62 remaining) [2025-02-08 09:52:42,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 62 remaining) [2025-02-08 09:52:42,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 62 remaining) [2025-02-08 09:52:42,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 62 remaining) [2025-02-08 09:52:42,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 62 remaining) [2025-02-08 09:52:42,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 62 remaining) [2025-02-08 09:52:42,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 62 remaining) [2025-02-08 09:52:42,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 62 remaining) [2025-02-08 09:52:42,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 62 remaining) [2025-02-08 09:52:42,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 62 remaining) [2025-02-08 09:52:42,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 62 remaining) [2025-02-08 09:52:42,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 62 remaining) [2025-02-08 09:52:42,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 62 remaining) [2025-02-08 09:52:42,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 62 remaining) [2025-02-08 09:52:42,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 62 remaining) [2025-02-08 09:52:42,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 62 remaining) [2025-02-08 09:52:42,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 62 remaining) [2025-02-08 09:52:42,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 62 remaining) [2025-02-08 09:52:42,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 62 remaining) [2025-02-08 09:52:42,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 62 remaining) [2025-02-08 09:52:42,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 62 remaining) [2025-02-08 09:52:42,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 62 remaining) [2025-02-08 09:52:42,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 62 remaining) [2025-02-08 09:52:42,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 62 remaining) [2025-02-08 09:52:42,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 62 remaining) [2025-02-08 09:52:42,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 62 remaining) [2025-02-08 09:52:42,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 62 remaining) [2025-02-08 09:52:42,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 62 remaining) [2025-02-08 09:52:42,494 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 62 remaining) [2025-02-08 09:52:42,495 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 62 remaining) [2025-02-08 09:52:42,495 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 62 remaining) [2025-02-08 09:52:42,495 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 62 remaining) [2025-02-08 09:52:42,495 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 62 remaining) [2025-02-08 09:52:42,495 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 62 remaining) [2025-02-08 09:52:42,495 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 62 remaining) [2025-02-08 09:52:42,495 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 62 remaining) [2025-02-08 09:52:42,495 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 62 remaining) [2025-02-08 09:52:42,495 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 62 remaining) [2025-02-08 09:52:42,495 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 62 remaining) [2025-02-08 09:52:42,495 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 62 remaining) [2025-02-08 09:52:42,495 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 62 remaining) [2025-02-08 09:52:42,495 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 62 remaining) [2025-02-08 09:52:42,495 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 62 remaining) [2025-02-08 09:52:42,495 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 62 remaining) [2025-02-08 09:52:42,495 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 62 remaining) [2025-02-08 09:52:42,495 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 62 remaining) [2025-02-08 09:52:42,495 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 62 remaining) [2025-02-08 09:52:42,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2025-02-08 09:52:42,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2025-02-08 09:52:42,698 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:52:42,699 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-08 09:52:42,977 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 09:52:42,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 09:52:42 BoogieIcfgContainer [2025-02-08 09:52:42,990 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 09:52:42,993 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 09:52:42,993 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 09:52:42,993 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 09:52:42,994 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:52:13" (3/4) ... [2025-02-08 09:52:42,995 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 09:52:43,000 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2025-02-08 09:52:43,004 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2025-02-08 09:52:43,005 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-02-08 09:52:43,005 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-08 09:52:43,005 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-08 09:52:43,068 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 09:52:43,068 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 09:52:43,068 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 09:52:43,069 INFO L158 Benchmark]: Toolchain (without parser) took 30675.28ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 112.2MB in the beginning and 108.0MB in the end (delta: 4.2MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. [2025-02-08 09:52:43,069 INFO L158 Benchmark]: CDTParser took 1.26ms. Allocated memory is still 201.3MB. Free memory is still 123.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 09:52:43,070 INFO L158 Benchmark]: CACSL2BoogieTranslator took 157.98ms. Allocated memory is still 142.6MB. Free memory was 112.2MB in the beginning and 100.9MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 09:52:43,070 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.89ms. Allocated memory is still 142.6MB. Free memory was 100.9MB in the beginning and 99.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 09:52:43,070 INFO L158 Benchmark]: Boogie Preprocessor took 36.24ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 98.2MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 09:52:43,071 INFO L158 Benchmark]: IcfgBuilder took 447.76ms. Allocated memory is still 142.6MB. Free memory was 98.2MB in the beginning and 76.0MB in the end (delta: 22.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 09:52:43,072 INFO L158 Benchmark]: TraceAbstraction took 29920.39ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 75.5MB in the beginning and 116.1MB in the end (delta: -40.7MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. [2025-02-08 09:52:43,073 INFO L158 Benchmark]: Witness Printer took 75.61ms. Allocated memory is still 176.2MB. Free memory was 116.1MB in the beginning and 108.0MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 09:52:43,074 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.26ms. Allocated memory is still 201.3MB. Free memory is still 123.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 157.98ms. Allocated memory is still 142.6MB. Free memory was 112.2MB in the beginning and 100.9MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.89ms. Allocated memory is still 142.6MB. Free memory was 100.9MB in the beginning and 99.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.24ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 98.2MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 447.76ms. Allocated memory is still 142.6MB. Free memory was 98.2MB in the beginning and 76.0MB in the end (delta: 22.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 29920.39ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 75.5MB in the beginning and 116.1MB in the end (delta: -40.7MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. * Witness Printer took 75.61ms. Allocated memory is still 176.2MB. Free memory was 116.1MB in the beginning and 108.0MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: 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, 138 locations, 62 error locations. Started 1 CEGAR loops. OverallTime: 29.6s, OverallIterations: 32, TraceHistogramMax: 7, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 13.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3196 SdHoareTripleChecker+Valid, 11.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3165 mSDsluCounter, 8701 SdHoareTripleChecker+Invalid, 10.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6077 mSDsCounter, 284 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9957 IncrementalHoareTripleChecker+Invalid, 10241 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 284 mSolverCounterUnsat, 2624 mSDtfsCounter, 9957 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4504 GetRequests, 4222 SyntacticMatches, 21 SemanticMatches, 261 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 688 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=525occurred in iteration=30, InterpolantAutomatonStates: 233, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 32 MinimizatonAttempts, 552 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 9.4s InterpolantComputationTime, 5247 NumberOfCodeBlocks, 4827 NumberOfCodeBlocksAsserted, 64 NumberOfCheckSat, 5137 ConstructedInterpolants, 0 QuantifiedInterpolants, 28708 SizeOfPredicates, 34 NumberOfNonLiveVariables, 3724 ConjunctsInSsa, 200 ConjunctsInUnsatCore, 52 InterpolantComputations, 16 PerfectInterpolantSequences, 3512/6739 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 62 specifications checked. All of them hold - InvariantResult [Line: 27]: Location Invariant Derived location invariant: (((((((((((k <= 32767) && (c == 1)) && (x == 1)) && (y == 1)) && (1 <= k)) && (counter == 1)) || (((((((k <= 32767) && (9 == x)) && (1 <= c)) && (2 == y)) && (c <= 9223372036854775805)) && (1 <= k)) && (counter == 2))) || ((((((((k <= 32767) && (y == 4)) && (c <= 9223372036854775806)) && (counter == 4)) && (64 <= x)) && (1 <= c)) && (x <= 2305843009213693610)) && (1 <= k))) || ((((((c == 0) && (k <= 32767)) && (y == 0)) && (counter == 0)) && (0 <= (k + 32768))) && (x == 0))) || ((((((((5 == y) && (k <= 32767)) && (c <= 9223372036854775806)) && (counter == 5)) && (125 <= x)) && (1 <= c)) && (x <= 2305843009213693735)) && (1 <= k))) || (((((((counter == 3) && (x == 36)) && (k <= 32767)) && (c <= 9223372036854775806)) && (1 <= c)) && (3 == y)) && (1 <= k))) RESULT: Ultimate proved your program to be correct! [2025-02-08 09:52:43,090 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