./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c00e63dc 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/prod4br-ll_valuebound2.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 deafb53b6c5560bead535ea0c1ac7bb85be5c959b9a13b21177e05987440264a --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 14:18:03,396 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 14:18:03,455 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-06 14:18:03,458 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 14:18:03,459 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 14:18:03,473 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 14:18:03,474 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 14:18:03,474 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 14:18:03,474 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 14:18:03,474 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 14:18:03,474 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 14:18:03,475 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 14:18:03,475 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 14:18:03,475 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 14:18:03,475 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 14:18:03,475 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 14:18:03,475 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 14:18:03,475 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 14:18:03,475 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 14:18:03,476 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 14:18:03,476 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 14:18:03,476 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 14:18:03,476 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 14:18:03,476 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 14:18:03,476 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 14:18:03,476 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 14:18:03,476 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 14:18:03,476 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 14:18:03,476 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 14:18:03,476 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 14:18:03,477 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 14:18:03,477 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 14:18:03,477 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 14:18:03,477 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 14:18:03,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 14:18:03,477 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 14:18:03,477 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 14:18:03,477 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 14:18:03,477 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 14:18:03,477 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 14:18:03,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 14:18:03,477 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 14:18:03,478 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 14:18:03,478 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 14:18:03,478 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 14:18:03,478 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 -> deafb53b6c5560bead535ea0c1ac7bb85be5c959b9a13b21177e05987440264a [2025-02-06 14:18:03,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 14:18:03,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 14:18:03,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 14:18:03,751 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 14:18:03,752 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 14:18:03,752 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c [2025-02-06 14:18:04,912 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1a6436930/581451f6a3fe47b98a387df6e952f6f0/FLAG1d81d1721 [2025-02-06 14:18:05,140 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 14:18:05,140 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c [2025-02-06 14:18:05,146 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1a6436930/581451f6a3fe47b98a387df6e952f6f0/FLAG1d81d1721 [2025-02-06 14:18:05,486 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1a6436930/581451f6a3fe47b98a387df6e952f6f0 [2025-02-06 14:18:05,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 14:18:05,489 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 14:18:05,490 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 14:18:05,490 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 14:18:05,493 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 14:18:05,494 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 02:18:05" (1/1) ... [2025-02-06 14:18:05,494 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79c7fe49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:18:05, skipping insertion in model container [2025-02-06 14:18:05,495 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 02:18:05" (1/1) ... [2025-02-06 14:18:05,504 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 14:18:05,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 14:18:05,618 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 14:18:05,630 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 14:18:05,637 INFO L204 MainTranslator]: Completed translation [2025-02-06 14:18:05,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:18:05 WrapperNode [2025-02-06 14:18:05,638 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 14:18:05,639 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 14:18:05,639 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 14:18:05,639 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 14:18:05,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:18:05" (1/1) ... [2025-02-06 14:18:05,646 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:18:05" (1/1) ... [2025-02-06 14:18:05,657 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 99 [2025-02-06 14:18:05,657 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 14:18:05,658 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 14:18:05,658 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 14:18:05,658 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 14:18:05,663 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:18:05" (1/1) ... [2025-02-06 14:18:05,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:18:05" (1/1) ... [2025-02-06 14:18:05,664 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:18:05" (1/1) ... [2025-02-06 14:18:05,670 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]. [2025-02-06 14:18:05,670 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:18:05" (1/1) ... [2025-02-06 14:18:05,671 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:18:05" (1/1) ... [2025-02-06 14:18:05,673 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:18:05" (1/1) ... [2025-02-06 14:18:05,673 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:18:05" (1/1) ... [2025-02-06 14:18:05,674 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:18:05" (1/1) ... [2025-02-06 14:18:05,674 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:18:05" (1/1) ... [2025-02-06 14:18:05,675 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 14:18:05,675 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 14:18:05,676 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 14:18:05,676 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 14:18:05,676 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:18:05" (1/1) ... [2025-02-06 14:18:05,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 14:18:05,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:18:05,709 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) [2025-02-06 14:18:05,715 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 [2025-02-06 14:18:05,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 14:18:05,729 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 14:18:05,729 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 14:18:05,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 14:18:05,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 14:18:05,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 14:18:05,729 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 14:18:05,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 14:18:05,768 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 14:18:05,769 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 14:18:05,992 INFO L? ?]: Removed 91 outVars from TransFormulas that were not future-live. [2025-02-06 14:18:05,993 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 14:18:06,001 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 14:18:06,001 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 14:18:06,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:18:06 BoogieIcfgContainer [2025-02-06 14:18:06,001 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 14:18:06,003 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 14:18:06,003 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 14:18:06,006 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 14:18:06,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 02:18:05" (1/3) ... [2025-02-06 14:18:06,007 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48416d86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 02:18:06, skipping insertion in model container [2025-02-06 14:18:06,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:18:05" (2/3) ... [2025-02-06 14:18:06,009 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48416d86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 02:18:06, skipping insertion in model container [2025-02-06 14:18:06,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:18:06" (3/3) ... [2025-02-06 14:18:06,010 INFO L128 eAbstractionObserver]: Analyzing ICFG prod4br-ll_valuebound2.c [2025-02-06 14:18:06,022 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 14:18:06,023 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG prod4br-ll_valuebound2.c that has 3 procedures, 113 locations, 1 initial locations, 1 loop locations, and 42 error locations. [2025-02-06 14:18:06,072 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 14:18:06,083 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;@767003df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 14:18:06,084 INFO L334 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2025-02-06 14:18:06,088 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 62 states have (on average 1.7903225806451613) internal successors, (111), 104 states have internal predecessors, (111), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 14:18:06,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-02-06 14:18:06,093 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:06,094 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:18:06,094 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:06,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:06,099 INFO L85 PathProgramCache]: Analyzing trace with hash -796146608, now seen corresponding path program 1 times [2025-02-06 14:18:06,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:06,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891562881] [2025-02-06 14:18:06,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:06,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:06,160 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-06 14:18:06,171 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-06 14:18:06,171 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:06,171 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:06,213 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 14:18:06,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:06,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891562881] [2025-02-06 14:18:06,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891562881] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:18:06,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [745604035] [2025-02-06 14:18:06,215 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:06,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:06,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:18:06,220 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) [2025-02-06 14:18:06,223 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 [2025-02-06 14:18:06,257 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-06 14:18:06,273 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-06 14:18:06,273 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:06,273 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:06,274 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 14:18:06,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:18:06,285 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 14:18:06,288 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:18:06,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [745604035] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:18:06,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:18:06,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 14:18:06,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091931900] [2025-02-06 14:18:06,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:18:06,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 14:18:06,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:06,306 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 14:18:06,307 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 14:18:06,309 INFO L87 Difference]: Start difference. First operand has 113 states, 62 states have (on average 1.7903225806451613) internal successors, (111), 104 states have internal predecessors, (111), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:18:06,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:06,331 INFO L93 Difference]: Finished difference Result 222 states and 247 transitions. [2025-02-06 14:18:06,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 14:18:06,332 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2025-02-06 14:18:06,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:06,338 INFO L225 Difference]: With dead ends: 222 [2025-02-06 14:18:06,339 INFO L226 Difference]: Without dead ends: 106 [2025-02-06 14:18:06,342 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 14:18:06,345 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:06,345 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:18:06,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2025-02-06 14:18:06,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2025-02-06 14:18:06,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 57 states have (on average 1.7894736842105263) internal successors, (102), 98 states have internal predecessors, (102), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:18:06,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 112 transitions. [2025-02-06 14:18:06,384 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 112 transitions. Word has length 21 [2025-02-06 14:18:06,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:06,384 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 112 transitions. [2025-02-06 14:18:06,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:18:06,385 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 112 transitions. [2025-02-06 14:18:06,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-02-06 14:18:06,387 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:06,387 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:18:06,393 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-02-06 14:18:06,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-06 14:18:06,588 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:06,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:06,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1211159119, now seen corresponding path program 1 times [2025-02-06 14:18:06,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:06,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90541645] [2025-02-06 14:18:06,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:06,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:06,596 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-06 14:18:06,626 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-06 14:18:06,630 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:06,631 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:18:06,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1925887631] [2025-02-06 14:18:06,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:06,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:06,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:18:06,638 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) [2025-02-06 14:18:06,643 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 [2025-02-06 14:18:06,680 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-06 14:18:06,697 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-06 14:18:06,698 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:06,698 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:06,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-06 14:18:06,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:18:06,819 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 14:18:06,819 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:18:06,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:06,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90541645] [2025-02-06 14:18:06,946 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:18:06,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1925887631] [2025-02-06 14:18:06,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1925887631] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:18:06,946 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:18:06,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-02-06 14:18:06,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068500324] [2025-02-06 14:18:06,947 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:18:06,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 14:18:06,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:06,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 14:18:06,948 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:18:06,948 INFO L87 Difference]: Start difference. First operand 106 states and 112 transitions. Second operand has 7 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:18:07,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:07,191 INFO L93 Difference]: Finished difference Result 144 states and 168 transitions. [2025-02-06 14:18:07,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 14:18:07,191 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (3), 1 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 21 [2025-02-06 14:18:07,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:07,192 INFO L225 Difference]: With dead ends: 144 [2025-02-06 14:18:07,193 INFO L226 Difference]: Without dead ends: 135 [2025-02-06 14:18:07,193 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:18:07,193 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 156 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:07,194 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 221 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:18:07,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2025-02-06 14:18:07,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 128. [2025-02-06 14:18:07,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 79 states have (on average 1.6962025316455696) internal successors, (134), 118 states have internal predecessors, (134), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-06 14:18:07,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 148 transitions. [2025-02-06 14:18:07,201 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 148 transitions. Word has length 21 [2025-02-06 14:18:07,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:07,202 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 148 transitions. [2025-02-06 14:18:07,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:18:07,202 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 148 transitions. [2025-02-06 14:18:07,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-02-06 14:18:07,202 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:07,203 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:18:07,210 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-06 14:18:07,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:07,404 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:07,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:07,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1108773039, now seen corresponding path program 1 times [2025-02-06 14:18:07,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:07,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627037862] [2025-02-06 14:18:07,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:07,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:07,408 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-02-06 14:18:07,416 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-02-06 14:18:07,416 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:07,416 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:18:07,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [933070896] [2025-02-06 14:18:07,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:07,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:07,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:18:07,422 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) [2025-02-06 14:18:07,423 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 [2025-02-06 14:18:07,451 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-02-06 14:18:07,469 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-02-06 14:18:07,469 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:07,469 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:07,473 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-02-06 14:18:07,475 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:18:07,660 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:18:07,660 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:18:07,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:07,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627037862] [2025-02-06 14:18:07,660 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:18:07,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [933070896] [2025-02-06 14:18:07,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [933070896] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:18:07,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:18:07,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-06 14:18:07,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752740652] [2025-02-06 14:18:07,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:18:07,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 14:18:07,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:07,661 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 14:18:07,661 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:18:07,662 INFO L87 Difference]: Start difference. First operand 128 states and 148 transitions. Second operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 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) [2025-02-06 14:18:07,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:07,871 INFO L93 Difference]: Finished difference Result 175 states and 214 transitions. [2025-02-06 14:18:07,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 14:18:07,871 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 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 22 [2025-02-06 14:18:07,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:07,872 INFO L225 Difference]: With dead ends: 175 [2025-02-06 14:18:07,872 INFO L226 Difference]: Without dead ends: 158 [2025-02-06 14:18:07,872 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-02-06 14:18:07,873 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 170 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:07,873 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 206 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:18:07,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2025-02-06 14:18:07,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 154. [2025-02-06 14:18:07,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 106 states have (on average 1.6132075471698113) internal successors, (171), 143 states have internal predecessors, (171), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 14:18:07,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 187 transitions. [2025-02-06 14:18:07,880 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 187 transitions. Word has length 22 [2025-02-06 14:18:07,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:07,881 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 187 transitions. [2025-02-06 14:18:07,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 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) [2025-02-06 14:18:07,881 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 187 transitions. [2025-02-06 14:18:07,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-02-06 14:18:07,885 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:07,885 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:18:07,894 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 [2025-02-06 14:18:08,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:08,089 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:08,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:08,090 INFO L85 PathProgramCache]: Analyzing trace with hash 12225903, now seen corresponding path program 1 times [2025-02-06 14:18:08,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:08,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971488786] [2025-02-06 14:18:08,090 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:08,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:08,093 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-02-06 14:18:08,100 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-02-06 14:18:08,100 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:08,100 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:18:08,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [718138388] [2025-02-06 14:18:08,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:08,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:08,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:18:08,103 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) [2025-02-06 14:18:08,106 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 [2025-02-06 14:18:08,123 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-02-06 14:18:08,131 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-02-06 14:18:08,131 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:08,131 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:08,132 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-06 14:18:08,132 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:18:08,215 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 14:18:08,215 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:18:08,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:08,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971488786] [2025-02-06 14:18:08,753 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:18:08,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [718138388] [2025-02-06 14:18:08,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [718138388] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:18:08,753 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:18:08,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-02-06 14:18:08,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565748333] [2025-02-06 14:18:08,753 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:18:08,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 14:18:08,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:08,754 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 14:18:08,754 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=66, Unknown=1, NotChecked=0, Total=90 [2025-02-06 14:18:08,754 INFO L87 Difference]: Start difference. First operand 154 states and 187 transitions. Second operand has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:18:08,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:08,932 INFO L93 Difference]: Finished difference Result 161 states and 193 transitions. [2025-02-06 14:18:08,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 14:18:08,933 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (3), 1 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 23 [2025-02-06 14:18:08,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:08,934 INFO L225 Difference]: With dead ends: 161 [2025-02-06 14:18:08,934 INFO L226 Difference]: Without dead ends: 160 [2025-02-06 14:18:08,934 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=31, Invalid=78, Unknown=1, NotChecked=0, Total=110 [2025-02-06 14:18:08,934 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 254 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:08,935 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 236 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:18:08,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2025-02-06 14:18:08,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 154. [2025-02-06 14:18:08,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 106 states have (on average 1.6037735849056605) internal successors, (170), 143 states have internal predecessors, (170), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 14:18:08,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 186 transitions. [2025-02-06 14:18:08,945 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 186 transitions. Word has length 23 [2025-02-06 14:18:08,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:08,946 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 186 transitions. [2025-02-06 14:18:08,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:18:08,946 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 186 transitions. [2025-02-06 14:18:08,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-02-06 14:18:08,946 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:08,947 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:18:08,952 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-06 14:18:09,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:09,151 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:09,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:09,151 INFO L85 PathProgramCache]: Analyzing trace with hash 379003053, now seen corresponding path program 1 times [2025-02-06 14:18:09,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:09,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437544542] [2025-02-06 14:18:09,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:09,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:09,155 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-06 14:18:09,161 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-06 14:18:09,162 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:09,162 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:18:09,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [242048151] [2025-02-06 14:18:09,162 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:09,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:09,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:18:09,164 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) [2025-02-06 14:18:09,166 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 [2025-02-06 14:18:09,182 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-06 14:18:09,190 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-06 14:18:09,190 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:09,190 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:09,190 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-06 14:18:09,191 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:18:09,288 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:18:09,288 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:18:09,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:09,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437544542] [2025-02-06 14:18:09,288 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:18:09,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [242048151] [2025-02-06 14:18:09,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [242048151] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:18:09,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:18:09,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-06 14:18:09,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400860130] [2025-02-06 14:18:09,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:18:09,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 14:18:09,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:09,290 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 14:18:09,290 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:18:09,290 INFO L87 Difference]: Start difference. First operand 154 states and 186 transitions. Second operand has 8 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 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) [2025-02-06 14:18:09,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:09,519 INFO L93 Difference]: Finished difference Result 161 states and 192 transitions. [2025-02-06 14:18:09,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 14:18:09,519 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 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 24 [2025-02-06 14:18:09,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:09,520 INFO L225 Difference]: With dead ends: 161 [2025-02-06 14:18:09,520 INFO L226 Difference]: Without dead ends: 160 [2025-02-06 14:18:09,520 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-02-06 14:18:09,521 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 368 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:09,521 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 239 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:18:09,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2025-02-06 14:18:09,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 154. [2025-02-06 14:18:09,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 106 states have (on average 1.5943396226415094) internal successors, (169), 143 states have internal predecessors, (169), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 14:18:09,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 185 transitions. [2025-02-06 14:18:09,527 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 185 transitions. Word has length 24 [2025-02-06 14:18:09,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:09,527 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 185 transitions. [2025-02-06 14:18:09,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 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) [2025-02-06 14:18:09,528 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 185 transitions. [2025-02-06 14:18:09,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-02-06 14:18:09,528 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:09,528 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:18:09,535 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-06 14:18:09,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:09,732 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:09,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:09,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1135807187, now seen corresponding path program 1 times [2025-02-06 14:18:09,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:09,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363840971] [2025-02-06 14:18:09,732 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:09,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:09,735 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-06 14:18:09,740 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-06 14:18:09,740 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:09,740 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:09,805 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:18:09,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:09,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363840971] [2025-02-06 14:18:09,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363840971] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:18:09,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:18:09,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:18:09,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497627985] [2025-02-06 14:18:09,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:18:09,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:18:09,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:09,807 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:18:09,807 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:18:09,807 INFO L87 Difference]: Start difference. First operand 154 states and 185 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 14:18:10,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:10,039 INFO L93 Difference]: Finished difference Result 223 states and 266 transitions. [2025-02-06 14:18:10,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:18:10,039 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2025-02-06 14:18:10,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:10,040 INFO L225 Difference]: With dead ends: 223 [2025-02-06 14:18:10,041 INFO L226 Difference]: Without dead ends: 222 [2025-02-06 14:18:10,041 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:18:10,041 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 59 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:10,042 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 179 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:18:10,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2025-02-06 14:18:10,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 172. [2025-02-06 14:18:10,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 123 states have (on average 1.5772357723577235) internal successors, (194), 160 states have internal predecessors, (194), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-06 14:18:10,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 212 transitions. [2025-02-06 14:18:10,049 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 212 transitions. Word has length 25 [2025-02-06 14:18:10,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:10,049 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 212 transitions. [2025-02-06 14:18:10,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 14:18:10,050 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 212 transitions. [2025-02-06 14:18:10,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-02-06 14:18:10,050 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:10,050 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:18:10,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 14:18:10,050 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:10,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:10,051 INFO L85 PathProgramCache]: Analyzing trace with hash -850284373, now seen corresponding path program 1 times [2025-02-06 14:18:10,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:10,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466668800] [2025-02-06 14:18:10,051 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:10,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:10,054 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-06 14:18:10,059 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-06 14:18:10,059 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:10,059 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:10,107 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:18:10,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:10,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466668800] [2025-02-06 14:18:10,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466668800] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:18:10,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:18:10,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:18:10,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037470415] [2025-02-06 14:18:10,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:18:10,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:18:10,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:10,109 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:18:10,109 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:18:10,109 INFO L87 Difference]: Start difference. First operand 172 states and 212 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 14:18:10,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:10,435 INFO L93 Difference]: Finished difference Result 223 states and 264 transitions. [2025-02-06 14:18:10,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:18:10,436 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 26 [2025-02-06 14:18:10,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:10,437 INFO L225 Difference]: With dead ends: 223 [2025-02-06 14:18:10,437 INFO L226 Difference]: Without dead ends: 222 [2025-02-06 14:18:10,437 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:18:10,438 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 58 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:10,438 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 192 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:18:10,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2025-02-06 14:18:10,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 172. [2025-02-06 14:18:10,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 123 states have (on average 1.5609756097560976) internal successors, (192), 160 states have internal predecessors, (192), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-06 14:18:10,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 210 transitions. [2025-02-06 14:18:10,451 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 210 transitions. Word has length 26 [2025-02-06 14:18:10,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:10,451 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 210 transitions. [2025-02-06 14:18:10,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 14:18:10,452 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 210 transitions. [2025-02-06 14:18:10,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-02-06 14:18:10,452 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:10,452 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2025-02-06 14:18:10,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-06 14:18:10,452 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:10,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:10,453 INFO L85 PathProgramCache]: Analyzing trace with hash 43323980, now seen corresponding path program 1 times [2025-02-06 14:18:10,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:10,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881232777] [2025-02-06 14:18:10,453 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:10,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:10,460 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-06 14:18:10,484 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-06 14:18:10,484 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:10,484 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:18:10,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1934708917] [2025-02-06 14:18:10,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:10,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:10,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:18:10,490 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) [2025-02-06 14:18:10,491 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 [2025-02-06 14:18:10,512 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-06 14:18:10,521 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-06 14:18:10,521 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:10,521 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:10,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:18:10,523 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:18:10,599 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:18:10,600 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:18:10,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:10,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881232777] [2025-02-06 14:18:10,600 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:18:10,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1934708917] [2025-02-06 14:18:10,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1934708917] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:18:10,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:18:10,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:18:10,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946196684] [2025-02-06 14:18:10,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:18:10,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:18:10,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:10,602 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:18:10,602 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:18:10,602 INFO L87 Difference]: Start difference. First operand 172 states and 210 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:10,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:10,758 INFO L93 Difference]: Finished difference Result 229 states and 288 transitions. [2025-02-06 14:18:10,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:18:10,758 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 39 [2025-02-06 14:18:10,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:10,759 INFO L225 Difference]: With dead ends: 229 [2025-02-06 14:18:10,760 INFO L226 Difference]: Without dead ends: 223 [2025-02-06 14:18:10,760 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:18:10,760 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 156 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:10,761 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 125 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:18:10,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2025-02-06 14:18:10,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 209. [2025-02-06 14:18:10,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 159 states have (on average 1.559748427672956) internal successors, (248), 196 states have internal predecessors, (248), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 14:18:10,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 268 transitions. [2025-02-06 14:18:10,770 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 268 transitions. Word has length 39 [2025-02-06 14:18:10,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:10,772 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 268 transitions. [2025-02-06 14:18:10,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:10,772 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 268 transitions. [2025-02-06 14:18:10,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-02-06 14:18:10,773 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:10,773 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2025-02-06 14:18:10,779 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 [2025-02-06 14:18:10,977 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,SelfDestructingSolverStorable7 [2025-02-06 14:18:10,977 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:10,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:10,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1343043379, now seen corresponding path program 1 times [2025-02-06 14:18:10,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:10,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137097019] [2025-02-06 14:18:10,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:10,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:10,982 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-06 14:18:11,016 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-06 14:18:11,018 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:11,018 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:18:11,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [190788991] [2025-02-06 14:18:11,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:11,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:11,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:18:11,023 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) [2025-02-06 14:18:11,028 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 [2025-02-06 14:18:11,045 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-06 14:18:11,053 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-06 14:18:11,053 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:11,053 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:11,054 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:18:11,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:18:11,100 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:18:11,100 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:18:11,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:11,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137097019] [2025-02-06 14:18:11,100 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:18:11,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [190788991] [2025-02-06 14:18:11,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [190788991] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:18:11,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:18:11,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:18:11,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622361062] [2025-02-06 14:18:11,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:18:11,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:18:11,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:11,101 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:18:11,102 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:18:11,102 INFO L87 Difference]: Start difference. First operand 209 states and 268 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:11,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:11,230 INFO L93 Difference]: Finished difference Result 304 states and 413 transitions. [2025-02-06 14:18:11,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:18:11,231 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 40 [2025-02-06 14:18:11,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:11,232 INFO L225 Difference]: With dead ends: 304 [2025-02-06 14:18:11,232 INFO L226 Difference]: Without dead ends: 298 [2025-02-06 14:18:11,232 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:18:11,233 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 205 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:11,233 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 85 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:18:11,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2025-02-06 14:18:11,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 280. [2025-02-06 14:18:11,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 228 states have (on average 1.5964912280701755) internal successors, (364), 265 states have internal predecessors, (364), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 14:18:11,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 388 transitions. [2025-02-06 14:18:11,240 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 388 transitions. Word has length 40 [2025-02-06 14:18:11,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:11,241 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 388 transitions. [2025-02-06 14:18:11,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:11,241 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 388 transitions. [2025-02-06 14:18:11,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-02-06 14:18:11,241 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:11,241 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2025-02-06 14:18:11,247 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 [2025-02-06 14:18:11,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:11,442 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:11,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:11,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1345112860, now seen corresponding path program 1 times [2025-02-06 14:18:11,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:11,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792861890] [2025-02-06 14:18:11,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:11,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:11,450 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-06 14:18:11,465 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-06 14:18:11,468 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:11,468 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:18:11,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [40193973] [2025-02-06 14:18:11,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:11,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:11,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:18:11,474 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) [2025-02-06 14:18:11,478 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 [2025-02-06 14:18:11,504 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-06 14:18:11,516 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-06 14:18:11,516 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:11,516 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:11,517 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:18:11,518 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:18:11,610 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:18:11,610 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:18:11,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:11,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792861890] [2025-02-06 14:18:11,610 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:18:11,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [40193973] [2025-02-06 14:18:11,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [40193973] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:18:11,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:18:11,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:18:11,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734426031] [2025-02-06 14:18:11,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:18:11,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:18:11,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:11,611 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:18:11,611 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:18:11,611 INFO L87 Difference]: Start difference. First operand 280 states and 388 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:18:11,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:11,763 INFO L93 Difference]: Finished difference Result 287 states and 393 transitions. [2025-02-06 14:18:11,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:18:11,763 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2025-02-06 14:18:11,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:11,765 INFO L225 Difference]: With dead ends: 287 [2025-02-06 14:18:11,765 INFO L226 Difference]: Without dead ends: 286 [2025-02-06 14:18:11,765 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:18:11,765 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 142 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:11,766 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 124 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:18:11,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2025-02-06 14:18:11,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2025-02-06 14:18:11,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 228 states have (on average 1.5921052631578947) internal successors, (363), 265 states have internal predecessors, (363), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 14:18:11,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 387 transitions. [2025-02-06 14:18:11,774 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 387 transitions. Word has length 40 [2025-02-06 14:18:11,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:11,774 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 387 transitions. [2025-02-06 14:18:11,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:18:11,774 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 387 transitions. [2025-02-06 14:18:11,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-02-06 14:18:11,775 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:11,775 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2025-02-06 14:18:11,781 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-02-06 14:18:11,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:11,979 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:11,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:11,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1315328214, now seen corresponding path program 1 times [2025-02-06 14:18:11,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:11,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103941061] [2025-02-06 14:18:11,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:11,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:11,982 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-06 14:18:11,987 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-06 14:18:11,987 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:11,987 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:12,077 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:18:12,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:12,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103941061] [2025-02-06 14:18:12,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103941061] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:18:12,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:18:12,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:18:12,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036651199] [2025-02-06 14:18:12,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:18:12,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:18:12,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:12,080 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:18:12,080 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:18:12,081 INFO L87 Difference]: Start difference. First operand 280 states and 387 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:18:12,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:12,226 INFO L93 Difference]: Finished difference Result 350 states and 471 transitions. [2025-02-06 14:18:12,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:18:12,227 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 41 [2025-02-06 14:18:12,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:12,232 INFO L225 Difference]: With dead ends: 350 [2025-02-06 14:18:12,232 INFO L226 Difference]: Without dead ends: 349 [2025-02-06 14:18:12,232 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:18:12,232 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 51 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:12,233 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 196 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:18:12,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2025-02-06 14:18:12,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 289. [2025-02-06 14:18:12,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 237 states have (on average 1.5822784810126582) internal successors, (375), 274 states have internal predecessors, (375), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 14:18:12,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 399 transitions. [2025-02-06 14:18:12,247 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 399 transitions. Word has length 41 [2025-02-06 14:18:12,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:12,250 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 399 transitions. [2025-02-06 14:18:12,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:18:12,251 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 399 transitions. [2025-02-06 14:18:12,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-02-06 14:18:12,251 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:12,251 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2025-02-06 14:18:12,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-06 14:18:12,251 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:12,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:12,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1251174289, now seen corresponding path program 1 times [2025-02-06 14:18:12,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:12,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169403709] [2025-02-06 14:18:12,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:12,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:12,258 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-06 14:18:12,274 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-06 14:18:12,274 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:12,274 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:18:12,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [823636180] [2025-02-06 14:18:12,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:12,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:12,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:18:12,279 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) [2025-02-06 14:18:12,280 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 [2025-02-06 14:18:12,298 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-06 14:18:12,306 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-06 14:18:12,306 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:12,306 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:12,307 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:18:12,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:18:12,395 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:18:12,395 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:18:12,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:12,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169403709] [2025-02-06 14:18:12,396 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:18:12,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [823636180] [2025-02-06 14:18:12,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [823636180] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:18:12,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:18:12,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:18:12,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259168034] [2025-02-06 14:18:12,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:18:12,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:18:12,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:12,397 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:18:12,397 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:18:12,397 INFO L87 Difference]: Start difference. First operand 289 states and 399 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:18:12,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:12,590 INFO L93 Difference]: Finished difference Result 305 states and 411 transitions. [2025-02-06 14:18:12,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:18:12,590 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 41 [2025-02-06 14:18:12,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:12,592 INFO L225 Difference]: With dead ends: 305 [2025-02-06 14:18:12,592 INFO L226 Difference]: Without dead ends: 301 [2025-02-06 14:18:12,592 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:18:12,593 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 196 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:12,593 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 87 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:18:12,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2025-02-06 14:18:12,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 286. [2025-02-06 14:18:12,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 234 states have (on average 1.5555555555555556) internal successors, (364), 271 states have internal predecessors, (364), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 14:18:12,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 388 transitions. [2025-02-06 14:18:12,606 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 388 transitions. Word has length 41 [2025-02-06 14:18:12,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:12,607 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 388 transitions. [2025-02-06 14:18:12,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:18:12,607 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 388 transitions. [2025-02-06 14:18:12,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-02-06 14:18:12,608 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:12,608 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2025-02-06 14:18:12,617 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 [2025-02-06 14:18:12,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:12,809 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:12,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:12,809 INFO L85 PathProgramCache]: Analyzing trace with hash -2120468975, now seen corresponding path program 1 times [2025-02-06 14:18:12,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:12,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667406459] [2025-02-06 14:18:12,810 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:12,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:12,812 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-06 14:18:12,816 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-06 14:18:12,817 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:12,817 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:12,894 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:18:12,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:12,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667406459] [2025-02-06 14:18:12,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667406459] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:18:12,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:18:12,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:18:12,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080759684] [2025-02-06 14:18:12,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:18:12,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:18:12,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:12,895 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:18:12,895 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:18:12,895 INFO L87 Difference]: Start difference. First operand 286 states and 388 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:18:13,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:13,248 INFO L93 Difference]: Finished difference Result 348 states and 458 transitions. [2025-02-06 14:18:13,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:18:13,252 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 42 [2025-02-06 14:18:13,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:13,253 INFO L225 Difference]: With dead ends: 348 [2025-02-06 14:18:13,253 INFO L226 Difference]: Without dead ends: 347 [2025-02-06 14:18:13,253 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:18:13,254 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 49 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:13,254 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 235 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:18:13,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2025-02-06 14:18:13,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 288. [2025-02-06 14:18:13,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 236 states have (on average 1.5508474576271187) internal successors, (366), 273 states have internal predecessors, (366), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 14:18:13,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 390 transitions. [2025-02-06 14:18:13,274 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 390 transitions. Word has length 42 [2025-02-06 14:18:13,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:13,274 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 390 transitions. [2025-02-06 14:18:13,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:18:13,274 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 390 transitions. [2025-02-06 14:18:13,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-02-06 14:18:13,274 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:13,275 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2025-02-06 14:18:13,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-02-06 14:18:13,275 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:13,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:13,275 INFO L85 PathProgramCache]: Analyzing trace with hash -131697286, now seen corresponding path program 1 times [2025-02-06 14:18:13,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:13,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240522816] [2025-02-06 14:18:13,275 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:13,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:13,278 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-06 14:18:13,281 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-06 14:18:13,281 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:13,282 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:13,316 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:18:13,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:13,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240522816] [2025-02-06 14:18:13,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240522816] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:18:13,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:18:13,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:18:13,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33834244] [2025-02-06 14:18:13,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:18:13,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:18:13,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:13,318 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:18:13,318 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:18:13,318 INFO L87 Difference]: Start difference. First operand 288 states and 390 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:18:13,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:13,430 INFO L93 Difference]: Finished difference Result 348 states and 456 transitions. [2025-02-06 14:18:13,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:18:13,431 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 42 [2025-02-06 14:18:13,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:13,432 INFO L225 Difference]: With dead ends: 348 [2025-02-06 14:18:13,432 INFO L226 Difference]: Without dead ends: 347 [2025-02-06 14:18:13,432 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:18:13,433 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 49 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:13,433 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 218 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:18:13,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2025-02-06 14:18:13,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 298. [2025-02-06 14:18:13,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 246 states have (on average 1.5447154471544715) internal successors, (380), 283 states have internal predecessors, (380), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 14:18:13,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 404 transitions. [2025-02-06 14:18:13,441 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 404 transitions. Word has length 42 [2025-02-06 14:18:13,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:13,441 INFO L471 AbstractCegarLoop]: Abstraction has 298 states and 404 transitions. [2025-02-06 14:18:13,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:18:13,441 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 404 transitions. [2025-02-06 14:18:13,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-02-06 14:18:13,441 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:13,441 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2025-02-06 14:18:13,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-02-06 14:18:13,442 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:13,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:13,442 INFO L85 PathProgramCache]: Analyzing trace with hash -80164815, now seen corresponding path program 1 times [2025-02-06 14:18:13,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:13,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556964495] [2025-02-06 14:18:13,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:13,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:13,445 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-06 14:18:13,449 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-06 14:18:13,449 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:13,449 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:13,514 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:18:13,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:13,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556964495] [2025-02-06 14:18:13,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556964495] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:18:13,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:18:13,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-06 14:18:13,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885826732] [2025-02-06 14:18:13,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:18:13,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 14:18:13,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:13,515 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 14:18:13,516 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:18:13,516 INFO L87 Difference]: Start difference. First operand 298 states and 404 transitions. Second operand has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:13,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:13,888 INFO L93 Difference]: Finished difference Result 399 states and 563 transitions. [2025-02-06 14:18:13,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 14:18:13,888 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 42 [2025-02-06 14:18:13,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:13,889 INFO L225 Difference]: With dead ends: 399 [2025-02-06 14:18:13,889 INFO L226 Difference]: Without dead ends: 397 [2025-02-06 14:18:13,890 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:18:13,890 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 459 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 459 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:13,890 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [459 Valid, 117 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:18:13,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2025-02-06 14:18:13,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 304. [2025-02-06 14:18:13,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 252 states have (on average 1.5357142857142858) internal successors, (387), 289 states have internal predecessors, (387), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 14:18:13,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 411 transitions. [2025-02-06 14:18:13,899 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 411 transitions. Word has length 42 [2025-02-06 14:18:13,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:13,899 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 411 transitions. [2025-02-06 14:18:13,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:13,899 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 411 transitions. [2025-02-06 14:18:13,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-02-06 14:18:13,899 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:13,899 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2025-02-06 14:18:13,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-02-06 14:18:13,900 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:13,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:13,900 INFO L85 PathProgramCache]: Analyzing trace with hash 111286221, now seen corresponding path program 1 times [2025-02-06 14:18:13,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:13,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664175852] [2025-02-06 14:18:13,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:13,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:13,903 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-06 14:18:13,914 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-06 14:18:13,915 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:13,915 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:18:13,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1349078520] [2025-02-06 14:18:13,915 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:13,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:13,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:18:13,917 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) [2025-02-06 14:18:13,920 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 [2025-02-06 14:18:13,939 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-06 14:18:13,949 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-06 14:18:13,949 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:13,949 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:13,950 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-02-06 14:18:13,951 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:18:14,117 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 14:18:14,117 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:18:19,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:19,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664175852] [2025-02-06 14:18:19,147 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:18:19,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1349078520] [2025-02-06 14:18:19,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1349078520] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:18:19,147 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:18:19,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-06 14:18:19,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695069015] [2025-02-06 14:18:19,147 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:18:19,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 14:18:19,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:19,148 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 14:18:19,148 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=116, Unknown=1, NotChecked=0, Total=156 [2025-02-06 14:18:19,148 INFO L87 Difference]: Start difference. First operand 304 states and 411 transitions. Second operand has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:19,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:19,359 INFO L93 Difference]: Finished difference Result 316 states and 418 transitions. [2025-02-06 14:18:19,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 14:18:19,359 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 43 [2025-02-06 14:18:19,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:19,360 INFO L225 Difference]: With dead ends: 316 [2025-02-06 14:18:19,360 INFO L226 Difference]: Without dead ends: 308 [2025-02-06 14:18:19,361 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=72, Invalid=167, Unknown=1, NotChecked=0, Total=240 [2025-02-06 14:18:19,361 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 256 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:19,361 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 261 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:18:19,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2025-02-06 14:18:19,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 304. [2025-02-06 14:18:19,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 252 states have (on average 1.5198412698412698) internal successors, (383), 289 states have internal predecessors, (383), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 14:18:19,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 407 transitions. [2025-02-06 14:18:19,369 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 407 transitions. Word has length 43 [2025-02-06 14:18:19,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:19,369 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 407 transitions. [2025-02-06 14:18:19,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:19,369 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 407 transitions. [2025-02-06 14:18:19,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-02-06 14:18:19,369 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:19,369 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2025-02-06 14:18:19,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-02-06 14:18:19,570 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,SelfDestructingSolverStorable15 [2025-02-06 14:18:19,570 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:19,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:19,571 INFO L85 PathProgramCache]: Analyzing trace with hash 212351437, now seen corresponding path program 1 times [2025-02-06 14:18:19,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:19,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812323737] [2025-02-06 14:18:19,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:19,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:19,575 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-06 14:18:19,580 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-06 14:18:19,580 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:19,580 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:19,665 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:18:19,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:19,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812323737] [2025-02-06 14:18:19,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812323737] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:18:19,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:18:19,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:18:19,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149378096] [2025-02-06 14:18:19,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:18:19,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:18:19,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:19,666 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:18:19,666 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:18:19,666 INFO L87 Difference]: Start difference. First operand 304 states and 407 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:18:19,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:19,851 INFO L93 Difference]: Finished difference Result 340 states and 443 transitions. [2025-02-06 14:18:19,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:18:19,851 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2025-02-06 14:18:19,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:19,852 INFO L225 Difference]: With dead ends: 340 [2025-02-06 14:18:19,852 INFO L226 Difference]: Without dead ends: 339 [2025-02-06 14:18:19,853 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:18:19,853 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 41 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:19,853 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 204 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:18:19,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2025-02-06 14:18:19,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 306. [2025-02-06 14:18:19,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 254 states have (on average 1.515748031496063) internal successors, (385), 291 states have internal predecessors, (385), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 14:18:19,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 409 transitions. [2025-02-06 14:18:19,861 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 409 transitions. Word has length 43 [2025-02-06 14:18:19,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:19,861 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 409 transitions. [2025-02-06 14:18:19,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:18:19,861 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 409 transitions. [2025-02-06 14:18:19,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-02-06 14:18:19,861 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:19,861 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2025-02-06 14:18:19,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-02-06 14:18:19,862 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:19,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:19,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1809858062, now seen corresponding path program 1 times [2025-02-06 14:18:19,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:19,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417325775] [2025-02-06 14:18:19,862 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:19,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:19,865 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-06 14:18:19,868 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-06 14:18:19,868 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:19,868 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:19,943 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:18:19,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:19,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417325775] [2025-02-06 14:18:19,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417325775] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:18:19,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:18:19,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-06 14:18:19,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994935133] [2025-02-06 14:18:19,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:18:19,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 14:18:19,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:19,944 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 14:18:19,944 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:18:19,944 INFO L87 Difference]: Start difference. First operand 306 states and 409 transitions. Second operand has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 7 states have internal predecessors, (29), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:20,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:20,185 INFO L93 Difference]: Finished difference Result 317 states and 421 transitions. [2025-02-06 14:18:20,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 14:18:20,186 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 7 states have internal predecessors, (29), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 43 [2025-02-06 14:18:20,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:20,187 INFO L225 Difference]: With dead ends: 317 [2025-02-06 14:18:20,187 INFO L226 Difference]: Without dead ends: 315 [2025-02-06 14:18:20,187 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:18:20,187 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 365 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:20,187 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 116 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:18:20,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2025-02-06 14:18:20,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 306. [2025-02-06 14:18:20,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 254 states have (on average 1.5039370078740157) internal successors, (382), 291 states have internal predecessors, (382), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 14:18:20,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 406 transitions. [2025-02-06 14:18:20,197 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 406 transitions. Word has length 43 [2025-02-06 14:18:20,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:20,197 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 406 transitions. [2025-02-06 14:18:20,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 7 states have internal predecessors, (29), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:20,197 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 406 transitions. [2025-02-06 14:18:20,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-02-06 14:18:20,198 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:20,198 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2025-02-06 14:18:20,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-02-06 14:18:20,198 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:20,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:20,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1956184497, now seen corresponding path program 1 times [2025-02-06 14:18:20,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:20,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897809969] [2025-02-06 14:18:20,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:20,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:20,201 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-06 14:18:20,206 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-06 14:18:20,208 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:20,208 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:18:20,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [269030379] [2025-02-06 14:18:20,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:20,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:20,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:18:20,211 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) [2025-02-06 14:18:20,213 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 [2025-02-06 14:18:20,229 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-06 14:18:20,239 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-06 14:18:20,239 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:20,239 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:20,239 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-06 14:18:20,240 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:18:20,356 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 14:18:20,356 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:18:20,515 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 14:18:20,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:20,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897809969] [2025-02-06 14:18:20,516 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:18:20,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [269030379] [2025-02-06 14:18:20,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [269030379] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:18:20,516 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:18:20,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 11 [2025-02-06 14:18:20,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415318467] [2025-02-06 14:18:20,516 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:18:20,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-06 14:18:20,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:20,517 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-06 14:18:20,517 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2025-02-06 14:18:20,518 INFO L87 Difference]: Start difference. First operand 306 states and 406 transitions. Second operand has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 12 states have internal predecessors, (49), 5 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) [2025-02-06 14:18:20,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:20,853 INFO L93 Difference]: Finished difference Result 517 states and 706 transitions. [2025-02-06 14:18:20,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 14:18:20,853 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 12 states have internal predecessors, (49), 5 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) Word has length 44 [2025-02-06 14:18:20,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:20,854 INFO L225 Difference]: With dead ends: 517 [2025-02-06 14:18:20,854 INFO L226 Difference]: Without dead ends: 338 [2025-02-06 14:18:20,855 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 75 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2025-02-06 14:18:20,855 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 222 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:20,855 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 275 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:18:20,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2025-02-06 14:18:20,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 274. [2025-02-06 14:18:20,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 227 states have (on average 1.47136563876652) internal successors, (334), 260 states have internal predecessors, (334), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-02-06 14:18:20,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 356 transitions. [2025-02-06 14:18:20,863 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 356 transitions. Word has length 44 [2025-02-06 14:18:20,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:20,863 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 356 transitions. [2025-02-06 14:18:20,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 12 states have internal predecessors, (49), 5 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) [2025-02-06 14:18:20,863 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 356 transitions. [2025-02-06 14:18:20,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-02-06 14:18:20,863 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:20,863 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2025-02-06 14:18:20,873 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 [2025-02-06 14:18:21,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:21,068 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:21,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:21,068 INFO L85 PathProgramCache]: Analyzing trace with hash -428121973, now seen corresponding path program 1 times [2025-02-06 14:18:21,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:21,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903990726] [2025-02-06 14:18:21,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:21,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:21,071 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 14:18:21,078 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 14:18:21,078 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:21,078 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:18:21,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1264985505] [2025-02-06 14:18:21,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:21,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:21,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:18:21,081 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) [2025-02-06 14:18:21,082 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 [2025-02-06 14:18:21,100 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 14:18:21,112 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 14:18:21,112 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:21,112 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:21,113 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-02-06 14:18:21,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:18:21,289 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 14:18:21,289 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:18:23,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:23,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903990726] [2025-02-06 14:18:23,120 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:18:23,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264985505] [2025-02-06 14:18:23,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1264985505] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:18:23,121 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:18:23,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-02-06 14:18:23,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411834995] [2025-02-06 14:18:23,121 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:18:23,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 14:18:23,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:23,121 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 14:18:23,123 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2025-02-06 14:18:23,123 INFO L87 Difference]: Start difference. First operand 274 states and 356 transitions. Second operand has 11 states, 10 states have (on average 3.4) internal successors, (34), 10 states have internal predecessors, (34), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:23,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:23,492 INFO L93 Difference]: Finished difference Result 289 states and 370 transitions. [2025-02-06 14:18:23,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-06 14:18:23,492 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.4) internal successors, (34), 10 states have internal predecessors, (34), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 45 [2025-02-06 14:18:23,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:23,493 INFO L225 Difference]: With dead ends: 289 [2025-02-06 14:18:23,494 INFO L226 Difference]: Without dead ends: 285 [2025-02-06 14:18:23,494 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=185, Invalid=367, Unknown=0, NotChecked=0, Total=552 [2025-02-06 14:18:23,495 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 289 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:23,496 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 219 Invalid, 507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:18:23,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2025-02-06 14:18:23,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 277. [2025-02-06 14:18:23,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 230 states have (on average 1.4521739130434783) internal successors, (334), 263 states have internal predecessors, (334), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-02-06 14:18:23,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 356 transitions. [2025-02-06 14:18:23,507 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 356 transitions. Word has length 45 [2025-02-06 14:18:23,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:23,507 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 356 transitions. [2025-02-06 14:18:23,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.4) internal successors, (34), 10 states have internal predecessors, (34), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:23,507 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 356 transitions. [2025-02-06 14:18:23,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-02-06 14:18:23,507 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:23,508 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2025-02-06 14:18:23,513 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 [2025-02-06 14:18:23,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:23,712 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:23,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:23,713 INFO L85 PathProgramCache]: Analyzing trace with hash -2088697077, now seen corresponding path program 1 times [2025-02-06 14:18:23,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:23,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171681199] [2025-02-06 14:18:23,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:23,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:23,716 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 14:18:23,724 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 14:18:23,727 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:23,727 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:18:23,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1536651879] [2025-02-06 14:18:23,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:23,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:23,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:18:23,729 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) [2025-02-06 14:18:23,731 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 [2025-02-06 14:18:23,749 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 14:18:23,759 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 14:18:23,760 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:23,760 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:23,760 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-02-06 14:18:23,762 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:18:23,936 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 14:18:23,936 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:18:24,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:24,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171681199] [2025-02-06 14:18:24,175 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:18:24,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1536651879] [2025-02-06 14:18:24,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1536651879] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:18:24,176 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:18:24,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-02-06 14:18:24,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315600873] [2025-02-06 14:18:24,176 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:18:24,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 14:18:24,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:24,177 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 14:18:24,177 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2025-02-06 14:18:24,177 INFO L87 Difference]: Start difference. First operand 277 states and 356 transitions. Second operand has 10 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 14:18:24,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:24,582 INFO L93 Difference]: Finished difference Result 448 states and 574 transitions. [2025-02-06 14:18:24,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 14:18:24,582 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 45 [2025-02-06 14:18:24,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:24,583 INFO L225 Difference]: With dead ends: 448 [2025-02-06 14:18:24,583 INFO L226 Difference]: Without dead ends: 242 [2025-02-06 14:18:24,584 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2025-02-06 14:18:24,584 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 158 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:24,584 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 269 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:18:24,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2025-02-06 14:18:24,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 218. [2025-02-06 14:18:24,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 174 states have (on average 1.4252873563218391) internal successors, (248), 207 states have internal predecessors, (248), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 14:18:24,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 264 transitions. [2025-02-06 14:18:24,593 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 264 transitions. Word has length 45 [2025-02-06 14:18:24,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:24,594 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 264 transitions. [2025-02-06 14:18:24,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 14:18:24,594 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 264 transitions. [2025-02-06 14:18:24,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-02-06 14:18:24,594 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:24,594 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2025-02-06 14:18:24,600 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-02-06 14:18:24,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:24,796 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:24,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:24,796 INFO L85 PathProgramCache]: Analyzing trace with hash -386879215, now seen corresponding path program 1 times [2025-02-06 14:18:24,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:24,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505707098] [2025-02-06 14:18:24,797 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:24,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:24,800 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-06 14:18:24,810 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-06 14:18:24,812 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:24,812 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:18:24,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [216770116] [2025-02-06 14:18:24,813 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:24,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:24,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:18:24,815 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) [2025-02-06 14:18:24,821 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 [2025-02-06 14:18:24,839 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-06 14:18:24,850 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-06 14:18:24,850 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:24,850 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:24,852 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-02-06 14:18:24,853 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:18:25,131 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 14:18:25,131 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:18:25,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:25,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505707098] [2025-02-06 14:18:25,896 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:18:25,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [216770116] [2025-02-06 14:18:25,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [216770116] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:18:25,896 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:18:25,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-02-06 14:18:25,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351791977] [2025-02-06 14:18:25,897 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:18:25,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-06 14:18:25,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:25,897 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-06 14:18:25,897 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2025-02-06 14:18:25,897 INFO L87 Difference]: Start difference. First operand 218 states and 264 transitions. Second operand has 13 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:26,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:26,516 INFO L93 Difference]: Finished difference Result 250 states and 301 transitions. [2025-02-06 14:18:26,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-06 14:18:26,519 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 46 [2025-02-06 14:18:26,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:26,520 INFO L225 Difference]: With dead ends: 250 [2025-02-06 14:18:26,520 INFO L226 Difference]: Without dead ends: 249 [2025-02-06 14:18:26,521 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=157, Invalid=443, Unknown=0, NotChecked=0, Total=600 [2025-02-06 14:18:26,522 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 170 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:26,522 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 263 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 14:18:26,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2025-02-06 14:18:26,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 223. [2025-02-06 14:18:26,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 179 states have (on average 1.4134078212290502) internal successors, (253), 212 states have internal predecessors, (253), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 14:18:26,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 269 transitions. [2025-02-06 14:18:26,528 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 269 transitions. Word has length 46 [2025-02-06 14:18:26,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:26,528 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 269 transitions. [2025-02-06 14:18:26,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:26,528 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 269 transitions. [2025-02-06 14:18:26,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-02-06 14:18:26,528 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:26,529 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2025-02-06 14:18:26,543 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-02-06 14:18:26,729 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,SelfDestructingSolverStorable21 [2025-02-06 14:18:26,729 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:26,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:26,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1537880211, now seen corresponding path program 1 times [2025-02-06 14:18:26,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:26,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460059700] [2025-02-06 14:18:26,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:26,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:26,732 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-06 14:18:26,744 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-06 14:18:26,744 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:26,744 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:18:26,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1834259914] [2025-02-06 14:18:26,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:26,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:26,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:18:26,746 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) [2025-02-06 14:18:26,760 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 [2025-02-06 14:18:26,778 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-06 14:18:26,786 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-06 14:18:26,786 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:26,787 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:26,787 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 14:18:26,788 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:18:26,896 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:18:26,897 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:18:26,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:26,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460059700] [2025-02-06 14:18:26,897 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:18:26,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1834259914] [2025-02-06 14:18:26,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1834259914] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:18:26,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:18:26,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-06 14:18:26,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288011468] [2025-02-06 14:18:26,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:18:26,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 14:18:26,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:26,898 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 14:18:26,898 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:18:26,898 INFO L87 Difference]: Start difference. First operand 223 states and 269 transitions. Second operand has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:27,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:27,115 INFO L93 Difference]: Finished difference Result 292 states and 360 transitions. [2025-02-06 14:18:27,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 14:18:27,115 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 46 [2025-02-06 14:18:27,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:27,116 INFO L225 Difference]: With dead ends: 292 [2025-02-06 14:18:27,116 INFO L226 Difference]: Without dead ends: 285 [2025-02-06 14:18:27,117 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:18:27,117 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 226 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:27,117 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 84 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:18:27,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2025-02-06 14:18:27,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 255. [2025-02-06 14:18:27,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 210 states have (on average 1.4238095238095239) internal successors, (299), 243 states have internal predecessors, (299), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-06 14:18:27,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 317 transitions. [2025-02-06 14:18:27,124 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 317 transitions. Word has length 46 [2025-02-06 14:18:27,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:27,124 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 317 transitions. [2025-02-06 14:18:27,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:27,124 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 317 transitions. [2025-02-06 14:18:27,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-02-06 14:18:27,124 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:27,125 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2025-02-06 14:18:27,134 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 [2025-02-06 14:18:27,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:27,329 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:27,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:27,329 INFO L85 PathProgramCache]: Analyzing trace with hash -429646262, now seen corresponding path program 1 times [2025-02-06 14:18:27,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:27,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234397121] [2025-02-06 14:18:27,330 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:27,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:27,332 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-06 14:18:27,339 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-06 14:18:27,339 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:27,339 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:18:27,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [502591057] [2025-02-06 14:18:27,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:27,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:27,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:18:27,341 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) [2025-02-06 14:18:27,343 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 [2025-02-06 14:18:27,359 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-06 14:18:27,367 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-06 14:18:27,367 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:27,367 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:27,368 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 14:18:27,369 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:18:27,466 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:18:27,466 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:18:27,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:27,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234397121] [2025-02-06 14:18:27,467 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:18:27,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [502591057] [2025-02-06 14:18:27,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [502591057] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:18:27,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:18:27,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-06 14:18:27,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031623183] [2025-02-06 14:18:27,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:18:27,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 14:18:27,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:27,468 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 14:18:27,468 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:18:27,468 INFO L87 Difference]: Start difference. First operand 255 states and 317 transitions. Second operand has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:27,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:27,687 INFO L93 Difference]: Finished difference Result 281 states and 348 transitions. [2025-02-06 14:18:27,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 14:18:27,687 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 47 [2025-02-06 14:18:27,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:27,688 INFO L225 Difference]: With dead ends: 281 [2025-02-06 14:18:27,688 INFO L226 Difference]: Without dead ends: 280 [2025-02-06 14:18:27,688 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:18:27,689 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 221 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:27,689 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 92 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:18:27,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2025-02-06 14:18:27,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 255. [2025-02-06 14:18:27,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 210 states have (on average 1.4142857142857144) internal successors, (297), 243 states have internal predecessors, (297), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-06 14:18:27,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 315 transitions. [2025-02-06 14:18:27,696 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 315 transitions. Word has length 47 [2025-02-06 14:18:27,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:27,696 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 315 transitions. [2025-02-06 14:18:27,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:27,696 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 315 transitions. [2025-02-06 14:18:27,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-02-06 14:18:27,696 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:27,696 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2025-02-06 14:18:27,704 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 [2025-02-06 14:18:27,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:27,901 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:27,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:27,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1747928779, now seen corresponding path program 1 times [2025-02-06 14:18:27,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:27,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910388554] [2025-02-06 14:18:27,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:27,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:27,904 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-02-06 14:18:27,909 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-02-06 14:18:27,909 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:27,909 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:18:27,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1071868092] [2025-02-06 14:18:27,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:27,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:27,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:18:27,912 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) [2025-02-06 14:18:27,913 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 [2025-02-06 14:18:27,941 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-02-06 14:18:27,950 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-02-06 14:18:27,950 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:27,950 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:27,950 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-06 14:18:27,951 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:18:28,071 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 14:18:28,072 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:18:28,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:28,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910388554] [2025-02-06 14:18:28,072 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:18:28,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1071868092] [2025-02-06 14:18:28,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1071868092] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:18:28,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:18:28,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-06 14:18:28,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255662171] [2025-02-06 14:18:28,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:18:28,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 14:18:28,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:28,073 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 14:18:28,073 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:18:28,073 INFO L87 Difference]: Start difference. First operand 255 states and 315 transitions. Second operand has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:18:28,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:28,263 INFO L93 Difference]: Finished difference Result 265 states and 325 transitions. [2025-02-06 14:18:28,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 14:18:28,265 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 48 [2025-02-06 14:18:28,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:28,265 INFO L225 Difference]: With dead ends: 265 [2025-02-06 14:18:28,266 INFO L226 Difference]: Without dead ends: 264 [2025-02-06 14:18:28,266 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:18:28,267 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 132 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:28,267 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 264 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:18:28,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2025-02-06 14:18:28,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 263. [2025-02-06 14:18:28,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 218 states have (on average 1.3990825688073394) internal successors, (305), 251 states have internal predecessors, (305), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-06 14:18:28,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 323 transitions. [2025-02-06 14:18:28,282 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 323 transitions. Word has length 48 [2025-02-06 14:18:28,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:28,283 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 323 transitions. [2025-02-06 14:18:28,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:18:28,283 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 323 transitions. [2025-02-06 14:18:28,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-02-06 14:18:28,283 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:28,283 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2025-02-06 14:18:28,294 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-02-06 14:18:28,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:28,484 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:28,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:28,484 INFO L85 PathProgramCache]: Analyzing trace with hash -434132213, now seen corresponding path program 1 times [2025-02-06 14:18:28,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:28,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471396199] [2025-02-06 14:18:28,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:28,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:28,487 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-02-06 14:18:28,489 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-02-06 14:18:28,489 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:28,489 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:28,531 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:18:28,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:28,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471396199] [2025-02-06 14:18:28,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471396199] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:18:28,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:18:28,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:18:28,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062515599] [2025-02-06 14:18:28,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:18:28,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:18:28,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:28,532 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:18:28,533 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:18:28,533 INFO L87 Difference]: Start difference. First operand 263 states and 323 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:18:28,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:28,668 INFO L93 Difference]: Finished difference Result 283 states and 339 transitions. [2025-02-06 14:18:28,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:18:28,669 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 48 [2025-02-06 14:18:28,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:28,670 INFO L225 Difference]: With dead ends: 283 [2025-02-06 14:18:28,670 INFO L226 Difference]: Without dead ends: 282 [2025-02-06 14:18:28,670 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:18:28,670 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 32 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:28,671 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 183 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:18:28,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2025-02-06 14:18:28,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 270. [2025-02-06 14:18:28,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 225 states have (on average 1.4088888888888889) internal successors, (317), 258 states have internal predecessors, (317), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-06 14:18:28,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 335 transitions. [2025-02-06 14:18:28,679 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 335 transitions. Word has length 48 [2025-02-06 14:18:28,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:28,679 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 335 transitions. [2025-02-06 14:18:28,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:18:28,679 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 335 transitions. [2025-02-06 14:18:28,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-02-06 14:18:28,679 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:28,679 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2025-02-06 14:18:28,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2025-02-06 14:18:28,680 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:28,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:28,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1648782643, now seen corresponding path program 1 times [2025-02-06 14:18:28,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:28,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577743473] [2025-02-06 14:18:28,680 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:28,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:28,683 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-02-06 14:18:28,694 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-02-06 14:18:28,694 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:28,694 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:18:28,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [240293658] [2025-02-06 14:18:28,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:28,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:28,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:18:28,703 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) [2025-02-06 14:18:28,704 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 [2025-02-06 14:18:28,722 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-02-06 14:18:28,731 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-02-06 14:18:28,731 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:28,732 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:28,732 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-06 14:18:28,733 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:18:28,985 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 14:18:28,985 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:18:29,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:29,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577743473] [2025-02-06 14:18:29,790 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:18:29,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [240293658] [2025-02-06 14:18:29,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [240293658] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:18:29,790 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:18:29,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-02-06 14:18:29,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118979129] [2025-02-06 14:18:29,790 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:18:29,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 14:18:29,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:29,791 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 14:18:29,791 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2025-02-06 14:18:29,791 INFO L87 Difference]: Start difference. First operand 270 states and 335 transitions. Second operand has 10 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 14:18:30,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:30,149 INFO L93 Difference]: Finished difference Result 275 states and 338 transitions. [2025-02-06 14:18:30,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 14:18:30,149 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 49 [2025-02-06 14:18:30,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:30,150 INFO L225 Difference]: With dead ends: 275 [2025-02-06 14:18:30,150 INFO L226 Difference]: Without dead ends: 260 [2025-02-06 14:18:30,150 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2025-02-06 14:18:30,150 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 282 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:30,150 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 193 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 444 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:18:30,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2025-02-06 14:18:30,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 258. [2025-02-06 14:18:30,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 213 states have (on average 1.4225352112676057) internal successors, (303), 246 states have internal predecessors, (303), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-06 14:18:30,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 321 transitions. [2025-02-06 14:18:30,156 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 321 transitions. Word has length 49 [2025-02-06 14:18:30,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:30,156 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 321 transitions. [2025-02-06 14:18:30,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 14:18:30,157 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 321 transitions. [2025-02-06 14:18:30,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-02-06 14:18:30,157 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:30,157 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2025-02-06 14:18:30,164 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-02-06 14:18:30,357 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,SelfDestructingSolverStorable26 [2025-02-06 14:18:30,357 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:30,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:30,358 INFO L85 PathProgramCache]: Analyzing trace with hash 100699527, now seen corresponding path program 1 times [2025-02-06 14:18:30,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:30,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343777983] [2025-02-06 14:18:30,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:30,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:30,361 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-02-06 14:18:30,366 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-02-06 14:18:30,367 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:30,367 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:18:30,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [847522609] [2025-02-06 14:18:30,369 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:30,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:30,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:18:30,372 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) [2025-02-06 14:18:30,372 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 [2025-02-06 14:18:30,390 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-02-06 14:18:30,398 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-02-06 14:18:30,398 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:30,398 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:30,399 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-06 14:18:30,400 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:18:30,525 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 14:18:30,525 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:18:30,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:30,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343777983] [2025-02-06 14:18:30,691 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:18:30,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [847522609] [2025-02-06 14:18:30,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [847522609] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:18:30,691 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:18:30,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-06 14:18:30,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20157354] [2025-02-06 14:18:30,691 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:18:30,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 14:18:30,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:30,692 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 14:18:30,692 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:18:30,692 INFO L87 Difference]: Start difference. First operand 258 states and 321 transitions. Second operand has 8 states, 7 states have (on average 5.428571428571429) internal successors, (38), 8 states have internal predecessors, (38), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:30,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:30,880 INFO L93 Difference]: Finished difference Result 268 states and 331 transitions. [2025-02-06 14:18:30,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 14:18:30,880 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.428571428571429) internal successors, (38), 8 states have internal predecessors, (38), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 49 [2025-02-06 14:18:30,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:30,881 INFO L225 Difference]: With dead ends: 268 [2025-02-06 14:18:30,881 INFO L226 Difference]: Without dead ends: 267 [2025-02-06 14:18:30,881 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2025-02-06 14:18:30,882 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 125 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:30,882 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 254 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:18:30,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2025-02-06 14:18:30,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 266. [2025-02-06 14:18:30,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 221 states have (on average 1.407239819004525) internal successors, (311), 254 states have internal predecessors, (311), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-06 14:18:30,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 329 transitions. [2025-02-06 14:18:30,889 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 329 transitions. Word has length 49 [2025-02-06 14:18:30,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:30,889 INFO L471 AbstractCegarLoop]: Abstraction has 266 states and 329 transitions. [2025-02-06 14:18:30,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.428571428571429) internal successors, (38), 8 states have internal predecessors, (38), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:30,889 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 329 transitions. [2025-02-06 14:18:30,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-02-06 14:18:30,889 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:30,889 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2025-02-06 14:18:30,895 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-02-06 14:18:31,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:31,090 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:31,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:31,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1173281903, now seen corresponding path program 1 times [2025-02-06 14:18:31,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:31,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960293900] [2025-02-06 14:18:31,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:31,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:31,093 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-06 14:18:31,097 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-06 14:18:31,097 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:31,097 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:18:31,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1754508302] [2025-02-06 14:18:31,098 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:31,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:31,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:18:31,103 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) [2025-02-06 14:18:31,104 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 [2025-02-06 14:18:31,125 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-06 14:18:31,135 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-06 14:18:31,135 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:31,135 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:31,136 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-02-06 14:18:31,136 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:18:31,381 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 14:18:31,381 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:18:31,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:31,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960293900] [2025-02-06 14:18:31,714 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:18:31,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1754508302] [2025-02-06 14:18:31,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1754508302] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:18:31,714 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:18:31,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-06 14:18:31,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434775031] [2025-02-06 14:18:31,714 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:18:31,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 14:18:31,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:31,715 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 14:18:31,715 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2025-02-06 14:18:31,715 INFO L87 Difference]: Start difference. First operand 266 states and 329 transitions. Second operand has 9 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 14:18:32,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:32,060 INFO L93 Difference]: Finished difference Result 268 states and 330 transitions. [2025-02-06 14:18:32,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 14:18:32,061 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 50 [2025-02-06 14:18:32,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:32,061 INFO L225 Difference]: With dead ends: 268 [2025-02-06 14:18:32,061 INFO L226 Difference]: Without dead ends: 254 [2025-02-06 14:18:32,062 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2025-02-06 14:18:32,062 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 122 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:32,062 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 268 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:18:32,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2025-02-06 14:18:32,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2025-02-06 14:18:32,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 209 states have (on average 1.4258373205741626) internal successors, (298), 242 states have internal predecessors, (298), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-06 14:18:32,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 316 transitions. [2025-02-06 14:18:32,068 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 316 transitions. Word has length 50 [2025-02-06 14:18:32,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:32,068 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 316 transitions. [2025-02-06 14:18:32,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 14:18:32,069 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 316 transitions. [2025-02-06 14:18:32,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-02-06 14:18:32,069 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:32,069 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2025-02-06 14:18:32,075 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-02-06 14:18:32,273 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,SelfDestructingSolverStorable28 [2025-02-06 14:18:32,273 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:32,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:32,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1086208794, now seen corresponding path program 1 times [2025-02-06 14:18:32,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:32,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323263650] [2025-02-06 14:18:32,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:32,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:32,276 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-02-06 14:18:32,282 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-02-06 14:18:32,282 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:32,282 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:18:32,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1843878863] [2025-02-06 14:18:32,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:32,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:32,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:18:32,284 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) [2025-02-06 14:18:32,286 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 [2025-02-06 14:18:32,302 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-02-06 14:18:32,311 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-02-06 14:18:32,311 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:32,311 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:32,312 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-02-06 14:18:32,312 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:18:32,573 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 14:18:32,574 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:18:33,106 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 14:18:33,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:33,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323263650] [2025-02-06 14:18:33,107 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:18:33,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1843878863] [2025-02-06 14:18:33,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1843878863] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:18:33,107 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:18:33,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 18 [2025-02-06 14:18:33,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001889337] [2025-02-06 14:18:33,107 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:18:33,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-02-06 14:18:33,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:33,109 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-02-06 14:18:33,109 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2025-02-06 14:18:33,109 INFO L87 Difference]: Start difference. First operand 254 states and 316 transitions. Second operand has 19 states, 18 states have (on average 3.1666666666666665) internal successors, (57), 17 states have internal predecessors, (57), 5 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 5 states have call successors, (8) [2025-02-06 14:18:34,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:34,105 INFO L93 Difference]: Finished difference Result 440 states and 560 transitions. [2025-02-06 14:18:34,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-02-06 14:18:34,105 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.1666666666666665) internal successors, (57), 17 states have internal predecessors, (57), 5 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 5 states have call successors, (8) Word has length 51 [2025-02-06 14:18:34,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:34,106 INFO L225 Difference]: With dead ends: 440 [2025-02-06 14:18:34,106 INFO L226 Difference]: Without dead ends: 259 [2025-02-06 14:18:34,107 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 82 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=253, Invalid=739, Unknown=0, NotChecked=0, Total=992 [2025-02-06 14:18:34,107 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 410 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 412 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:34,107 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [412 Valid, 277 Invalid, 862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 814 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-06 14:18:34,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2025-02-06 14:18:34,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 231. [2025-02-06 14:18:34,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 186 states have (on average 1.4408602150537635) internal successors, (268), 219 states have internal predecessors, (268), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-06 14:18:34,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 286 transitions. [2025-02-06 14:18:34,113 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 286 transitions. Word has length 51 [2025-02-06 14:18:34,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:34,114 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 286 transitions. [2025-02-06 14:18:34,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.1666666666666665) internal successors, (57), 17 states have internal predecessors, (57), 5 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 5 states have call successors, (8) [2025-02-06 14:18:34,114 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 286 transitions. [2025-02-06 14:18:34,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-02-06 14:18:34,114 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:34,114 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2025-02-06 14:18:34,123 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2025-02-06 14:18:34,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:34,315 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:34,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:34,316 INFO L85 PathProgramCache]: Analyzing trace with hash 226945506, now seen corresponding path program 1 times [2025-02-06 14:18:34,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:34,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881003988] [2025-02-06 14:18:34,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:34,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:34,318 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-06 14:18:34,324 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-06 14:18:34,324 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:34,324 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:18:34,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [580790702] [2025-02-06 14:18:34,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:34,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:34,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:18:34,326 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) [2025-02-06 14:18:34,333 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 [2025-02-06 14:18:34,361 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-06 14:18:34,372 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-06 14:18:34,372 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:34,372 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:34,373 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-06 14:18:34,374 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:18:34,592 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 14:18:34,592 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:18:35,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:35,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881003988] [2025-02-06 14:18:35,562 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:18:35,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [580790702] [2025-02-06 14:18:35,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [580790702] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:18:35,562 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:18:35,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-02-06 14:18:35,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001503745] [2025-02-06 14:18:35,562 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:18:35,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 14:18:35,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:35,563 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 14:18:35,563 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2025-02-06 14:18:35,563 INFO L87 Difference]: Start difference. First operand 231 states and 286 transitions. Second operand has 11 states, 10 states have (on average 4.4) internal successors, (44), 10 states have internal predecessors, (44), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:35,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:35,804 INFO L93 Difference]: Finished difference Result 239 states and 294 transitions. [2025-02-06 14:18:35,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 14:18:35,805 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.4) internal successors, (44), 10 states have internal predecessors, (44), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 55 [2025-02-06 14:18:35,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:35,805 INFO L225 Difference]: With dead ends: 239 [2025-02-06 14:18:35,806 INFO L226 Difference]: Without dead ends: 238 [2025-02-06 14:18:35,806 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420 [2025-02-06 14:18:35,806 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 251 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:35,806 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 218 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:18:35,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2025-02-06 14:18:35,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 237. [2025-02-06 14:18:35,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 192 states have (on average 1.4270833333333333) internal successors, (274), 225 states have internal predecessors, (274), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-06 14:18:35,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 292 transitions. [2025-02-06 14:18:35,819 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 292 transitions. Word has length 55 [2025-02-06 14:18:35,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:35,819 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 292 transitions. [2025-02-06 14:18:35,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.4) internal successors, (44), 10 states have internal predecessors, (44), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:35,819 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 292 transitions. [2025-02-06 14:18:35,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2025-02-06 14:18:35,819 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:35,819 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1, 1] [2025-02-06 14:18:35,825 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 [2025-02-06 14:18:36,019 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,SelfDestructingSolverStorable30 [2025-02-06 14:18:36,020 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:36,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:36,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1554623850, now seen corresponding path program 1 times [2025-02-06 14:18:36,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:36,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773430139] [2025-02-06 14:18:36,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:36,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:36,027 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-02-06 14:18:36,033 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-02-06 14:18:36,033 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:36,033 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:18:36,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [378237072] [2025-02-06 14:18:36,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:36,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:36,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:18:36,037 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) [2025-02-06 14:18:36,039 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 [2025-02-06 14:18:36,057 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-02-06 14:18:36,068 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-02-06 14:18:36,068 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:36,068 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:36,069 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-02-06 14:18:36,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:18:36,648 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 14:18:36,648 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:18:42,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:42,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773430139] [2025-02-06 14:18:42,037 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:18:42,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378237072] [2025-02-06 14:18:42,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378237072] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:18:42,037 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:18:42,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-02-06 14:18:42,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204362599] [2025-02-06 14:18:42,037 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:18:42,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-06 14:18:42,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:42,038 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-06 14:18:42,038 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=308, Unknown=1, NotChecked=0, Total=420 [2025-02-06 14:18:42,038 INFO L87 Difference]: Start difference. First operand 237 states and 292 transitions. Second operand has 13 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 14:18:42,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:42,407 INFO L93 Difference]: Finished difference Result 239 states and 293 transitions. [2025-02-06 14:18:42,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-06 14:18:42,407 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 56 [2025-02-06 14:18:42,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:42,408 INFO L225 Difference]: With dead ends: 239 [2025-02-06 14:18:42,408 INFO L226 Difference]: Without dead ends: 217 [2025-02-06 14:18:42,408 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=218, Invalid=537, Unknown=1, NotChecked=0, Total=756 [2025-02-06 14:18:42,408 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 121 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:42,408 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 261 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:18:42,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2025-02-06 14:18:42,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2025-02-06 14:18:42,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 172 states have (on average 1.4709302325581395) internal successors, (253), 205 states have internal predecessors, (253), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-06 14:18:42,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 271 transitions. [2025-02-06 14:18:42,422 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 271 transitions. Word has length 56 [2025-02-06 14:18:42,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:42,422 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 271 transitions. [2025-02-06 14:18:42,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 14:18:42,422 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 271 transitions. [2025-02-06 14:18:42,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2025-02-06 14:18:42,422 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:42,422 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1, 1, 1, 1] [2025-02-06 14:18:42,436 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2025-02-06 14:18:42,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:42,627 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:42,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:42,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1604419479, now seen corresponding path program 1 times [2025-02-06 14:18:42,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:42,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016233533] [2025-02-06 14:18:42,627 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:42,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:42,630 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-02-06 14:18:42,645 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-02-06 14:18:42,648 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:42,649 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:42,957 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-02-06 14:18:42,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:42,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016233533] [2025-02-06 14:18:42,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016233533] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:18:42,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [190583522] [2025-02-06 14:18:42,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:42,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:42,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:18:42,961 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) [2025-02-06 14:18:42,986 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 [2025-02-06 14:18:43,009 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-02-06 14:18:43,022 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-02-06 14:18:43,022 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:43,022 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:43,022 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-02-06 14:18:43,023 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:18:43,114 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-02-06 14:18:43,114 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:18:43,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [190583522] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:18:43,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:18:43,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 12 [2025-02-06 14:18:43,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864428938] [2025-02-06 14:18:43,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:18:43,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 14:18:43,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:43,116 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 14:18:43,116 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2025-02-06 14:18:43,116 INFO L87 Difference]: Start difference. First operand 217 states and 271 transitions. Second operand has 9 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) [2025-02-06 14:18:43,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:43,250 INFO L93 Difference]: Finished difference Result 246 states and 292 transitions. [2025-02-06 14:18:43,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 14:18:43,250 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) Word has length 62 [2025-02-06 14:18:43,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:43,251 INFO L225 Difference]: With dead ends: 246 [2025-02-06 14:18:43,251 INFO L226 Difference]: Without dead ends: 83 [2025-02-06 14:18:43,252 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 60 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2025-02-06 14:18:43,252 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 121 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:43,252 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 204 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:18:43,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2025-02-06 14:18:43,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2025-02-06 14:18:43,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 65 states have (on average 1.1692307692307693) internal successors, (76), 75 states have internal predecessors, (76), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:18:43,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 86 transitions. [2025-02-06 14:18:43,256 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 86 transitions. Word has length 62 [2025-02-06 14:18:43,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:43,256 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 86 transitions. [2025-02-06 14:18:43,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) [2025-02-06 14:18:43,256 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 86 transitions. [2025-02-06 14:18:43,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2025-02-06 14:18:43,257 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:43,257 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1, 1, 1, 1] [2025-02-06 14:18:43,264 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2025-02-06 14:18:43,457 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,SelfDestructingSolverStorable32 [2025-02-06 14:18:43,458 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:43,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:43,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1606488960, now seen corresponding path program 1 times [2025-02-06 14:18:43,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:43,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627132163] [2025-02-06 14:18:43,459 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:43,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:43,462 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-02-06 14:18:43,473 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-02-06 14:18:43,473 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:43,473 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:43,716 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-02-06 14:18:43,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:43,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627132163] [2025-02-06 14:18:43,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627132163] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:18:43,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1233738728] [2025-02-06 14:18:43,717 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:43,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:43,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:18:43,719 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) [2025-02-06 14:18:43,728 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 [2025-02-06 14:18:43,747 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-02-06 14:18:43,760 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-02-06 14:18:43,760 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:43,760 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:43,761 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-06 14:18:43,761 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:18:43,902 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-02-06 14:18:43,903 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:18:44,325 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-02-06 14:18:44,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1233738728] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:18:44,325 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:18:44,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 19 [2025-02-06 14:18:44,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838766146] [2025-02-06 14:18:44,326 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:18:44,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-02-06 14:18:44,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:44,326 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-02-06 14:18:44,327 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2025-02-06 14:18:44,327 INFO L87 Difference]: Start difference. First operand 83 states and 86 transitions. Second operand has 19 states, 19 states have (on average 5.7368421052631575) internal successors, (109), 19 states have internal predecessors, (109), 9 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (12), 8 states have call predecessors, (12), 9 states have call successors, (12) [2025-02-06 14:18:44,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:44,530 INFO L93 Difference]: Finished difference Result 92 states and 94 transitions. [2025-02-06 14:18:44,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 14:18:44,530 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 5.7368421052631575) internal successors, (109), 19 states have internal predecessors, (109), 9 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (12), 8 states have call predecessors, (12), 9 states have call successors, (12) Word has length 62 [2025-02-06 14:18:44,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:44,531 INFO L225 Difference]: With dead ends: 92 [2025-02-06 14:18:44,531 INFO L226 Difference]: Without dead ends: 75 [2025-02-06 14:18:44,531 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=129, Invalid=423, Unknown=0, NotChecked=0, Total=552 [2025-02-06 14:18:44,531 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 76 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:44,531 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 133 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:18:44,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2025-02-06 14:18:44,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2025-02-06 14:18:44,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 59 states have (on average 1.1355932203389831) internal successors, (67), 67 states have internal predecessors, (67), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:18:44,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 77 transitions. [2025-02-06 14:18:44,535 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 77 transitions. Word has length 62 [2025-02-06 14:18:44,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:44,535 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 77 transitions. [2025-02-06 14:18:44,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.7368421052631575) internal successors, (109), 19 states have internal predecessors, (109), 9 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (12), 8 states have call predecessors, (12), 9 states have call successors, (12) [2025-02-06 14:18:44,536 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 77 transitions. [2025-02-06 14:18:44,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-02-06 14:18:44,536 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:44,538 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:18:44,544 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 [2025-02-06 14:18:44,743 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,SelfDestructingSolverStorable33 [2025-02-06 14:18:44,743 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:44,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:44,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1994164117, now seen corresponding path program 1 times [2025-02-06 14:18:44,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:44,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183380767] [2025-02-06 14:18:44,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:44,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:44,746 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-02-06 14:18:44,752 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-02-06 14:18:44,752 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:44,752 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:44,863 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-06 14:18:44,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:44,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183380767] [2025-02-06 14:18:44,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183380767] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:18:44,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:18:44,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-02-06 14:18:44,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574136685] [2025-02-06 14:18:44,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:18:44,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 14:18:44,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:44,864 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 14:18:44,864 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:18:44,864 INFO L87 Difference]: Start difference. First operand 75 states and 77 transitions. Second operand has 10 states, 9 states have (on average 5.0) internal successors, (45), 10 states have internal predecessors, (45), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-02-06 14:18:45,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:45,007 INFO L93 Difference]: Finished difference Result 75 states and 77 transitions. [2025-02-06 14:18:45,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 14:18:45,008 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.0) internal successors, (45), 10 states have internal predecessors, (45), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 64 [2025-02-06 14:18:45,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:45,008 INFO L225 Difference]: With dead ends: 75 [2025-02-06 14:18:45,008 INFO L226 Difference]: Without dead ends: 73 [2025-02-06 14:18:45,009 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2025-02-06 14:18:45,009 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 105 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:45,009 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 104 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:18:45,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2025-02-06 14:18:45,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2025-02-06 14:18:45,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 59 states have (on average 1.1016949152542372) internal successors, (65), 65 states have internal predecessors, (65), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:18:45,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 75 transitions. [2025-02-06 14:18:45,013 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 75 transitions. Word has length 64 [2025-02-06 14:18:45,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:45,013 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 75 transitions. [2025-02-06 14:18:45,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.0) internal successors, (45), 10 states have internal predecessors, (45), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-02-06 14:18:45,013 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 75 transitions. [2025-02-06 14:18:45,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-02-06 14:18:45,013 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:45,014 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:18:45,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2025-02-06 14:18:45,014 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:45,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:45,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1689545514, now seen corresponding path program 1 times [2025-02-06 14:18:45,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:45,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975105543] [2025-02-06 14:18:45,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:45,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:45,017 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-02-06 14:18:45,021 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-02-06 14:18:45,022 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:45,022 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:45,196 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-06 14:18:45,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:45,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975105543] [2025-02-06 14:18:45,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975105543] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:18:45,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:18:45,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-02-06 14:18:45,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084860843] [2025-02-06 14:18:45,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:18:45,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 14:18:45,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:45,197 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 14:18:45,197 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:18:45,197 INFO L87 Difference]: Start difference. First operand 73 states and 75 transitions. Second operand has 10 states, 9 states have (on average 5.111111111111111) internal successors, (46), 10 states have internal predecessors, (46), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-02-06 14:18:45,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:45,435 INFO L93 Difference]: Finished difference Result 73 states and 75 transitions. [2025-02-06 14:18:45,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 14:18:45,435 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.111111111111111) internal successors, (46), 10 states have internal predecessors, (46), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 65 [2025-02-06 14:18:45,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:45,436 INFO L225 Difference]: With dead ends: 73 [2025-02-06 14:18:45,436 INFO L226 Difference]: Without dead ends: 71 [2025-02-06 14:18:45,436 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2025-02-06 14:18:45,436 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 121 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:45,436 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 95 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:18:45,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2025-02-06 14:18:45,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2025-02-06 14:18:45,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 59 states have (on average 1.0677966101694916) internal successors, (63), 63 states have internal predecessors, (63), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:18:45,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 73 transitions. [2025-02-06 14:18:45,442 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 73 transitions. Word has length 65 [2025-02-06 14:18:45,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:45,442 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 73 transitions. [2025-02-06 14:18:45,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.111111111111111) internal successors, (46), 10 states have internal predecessors, (46), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-02-06 14:18:45,442 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 73 transitions. [2025-02-06 14:18:45,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-02-06 14:18:45,442 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:45,442 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:18:45,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2025-02-06 14:18:45,443 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:45,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:45,443 INFO L85 PathProgramCache]: Analyzing trace with hash 528694481, now seen corresponding path program 1 times [2025-02-06 14:18:45,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:45,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117999165] [2025-02-06 14:18:45,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:45,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:45,447 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-02-06 14:18:45,461 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-02-06 14:18:45,461 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:45,461 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:18:45,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1889371883] [2025-02-06 14:18:45,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:45,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:45,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:18:45,464 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:18:45,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-02-06 14:18:45,490 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-02-06 14:18:45,502 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-02-06 14:18:45,503 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:45,503 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:45,503 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-02-06 14:18:45,504 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:18:45,902 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-02-06 14:18:45,903 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:18:53,519 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-02-06 14:18:53,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:53,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117999165] [2025-02-06 14:18:53,519 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:18:53,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1889371883] [2025-02-06 14:18:53,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1889371883] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:18:53,519 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:18:53,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2025-02-06 14:18:53,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223522291] [2025-02-06 14:18:53,519 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:18:53,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-02-06 14:18:53,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:53,520 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-02-06 14:18:53,521 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=400, Unknown=1, NotChecked=0, Total=506 [2025-02-06 14:18:53,521 INFO L87 Difference]: Start difference. First operand 71 states and 73 transitions. Second operand has 23 states, 22 states have (on average 4.318181818181818) internal successors, (95), 21 states have internal predecessors, (95), 7 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (10), 8 states have call predecessors, (10), 7 states have call successors, (10) [2025-02-06 14:18:53,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:53,848 INFO L93 Difference]: Finished difference Result 71 states and 73 transitions. [2025-02-06 14:18:53,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-06 14:18:53,849 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 4.318181818181818) internal successors, (95), 21 states have internal predecessors, (95), 7 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (10), 8 states have call predecessors, (10), 7 states have call successors, (10) Word has length 68 [2025-02-06 14:18:53,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:53,849 INFO L225 Difference]: With dead ends: 71 [2025-02-06 14:18:53,849 INFO L226 Difference]: Without dead ends: 70 [2025-02-06 14:18:53,850 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=226, Invalid=703, Unknown=1, NotChecked=0, Total=930 [2025-02-06 14:18:53,850 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 140 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:53,850 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 186 Invalid, 411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:18:53,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2025-02-06 14:18:53,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2025-02-06 14:18:53,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 59 states have (on average 1.0508474576271187) internal successors, (62), 62 states have internal predecessors, (62), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:18:53,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 72 transitions. [2025-02-06 14:18:53,854 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 72 transitions. Word has length 68 [2025-02-06 14:18:53,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:53,854 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 72 transitions. [2025-02-06 14:18:53,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 4.318181818181818) internal successors, (95), 21 states have internal predecessors, (95), 7 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (10), 8 states have call predecessors, (10), 7 states have call successors, (10) [2025-02-06 14:18:53,854 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 72 transitions. [2025-02-06 14:18:53,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-02-06 14:18:53,855 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:53,855 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:18:53,862 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2025-02-06 14:18:54,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2025-02-06 14:18:54,056 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:54,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:54,056 INFO L85 PathProgramCache]: Analyzing trace with hash -790340250, now seen corresponding path program 1 times [2025-02-06 14:18:54,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:54,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400372676] [2025-02-06 14:18:54,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:54,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:54,059 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-02-06 14:18:54,069 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-02-06 14:18:54,069 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:54,069 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:18:54,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1184637751] [2025-02-06 14:18:54,070 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:54,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:54,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:18:54,072 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:18:54,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-02-06 14:18:54,097 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-02-06 14:18:54,112 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-02-06 14:18:54,113 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:54,113 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:54,114 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-02-06 14:18:54,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:18:54,452 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-06 14:18:54,452 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:19:05,250 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-06 14:19:05,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:19:05,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400372676] [2025-02-06 14:19:05,250 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:19:05,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1184637751] [2025-02-06 14:19:05,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1184637751] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:19:05,251 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:19:05,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2025-02-06 14:19:05,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582648178] [2025-02-06 14:19:05,251 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:19:05,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-02-06 14:19:05,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:19:05,252 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-02-06 14:19:05,252 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=484, Unknown=2, NotChecked=0, Total=600 [2025-02-06 14:19:05,252 INFO L87 Difference]: Start difference. First operand 70 states and 72 transitions. Second operand has 25 states, 22 states have (on average 4.2727272727272725) internal successors, (94), 21 states have internal predecessors, (94), 9 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (10), 10 states have call predecessors, (10), 9 states have call successors, (10) [2025-02-06 14:19:05,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:19:05,666 INFO L93 Difference]: Finished difference Result 70 states and 72 transitions. [2025-02-06 14:19:05,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-02-06 14:19:05,667 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 22 states have (on average 4.2727272727272725) internal successors, (94), 21 states have internal predecessors, (94), 9 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (10), 10 states have call predecessors, (10), 9 states have call successors, (10) Word has length 69 [2025-02-06 14:19:05,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:19:05,667 INFO L225 Difference]: With dead ends: 70 [2025-02-06 14:19:05,667 INFO L226 Difference]: Without dead ends: 69 [2025-02-06 14:19:05,667 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=247, Invalid=807, Unknown=2, NotChecked=0, Total=1056 [2025-02-06 14:19:05,668 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 204 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:19:05,668 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 176 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:19:05,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2025-02-06 14:19:05,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2025-02-06 14:19:05,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 59 states have (on average 1.0338983050847457) internal successors, (61), 61 states have internal predecessors, (61), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:19:05,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 71 transitions. [2025-02-06 14:19:05,672 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 71 transitions. Word has length 69 [2025-02-06 14:19:05,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:19:05,672 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 71 transitions. [2025-02-06 14:19:05,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 22 states have (on average 4.2727272727272725) internal successors, (94), 21 states have internal predecessors, (94), 9 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (10), 10 states have call predecessors, (10), 9 states have call successors, (10) [2025-02-06 14:19:05,672 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 71 transitions. [2025-02-06 14:19:05,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-02-06 14:19:05,673 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:19:05,673 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:19:05,678 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2025-02-06 14:19:05,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2025-02-06 14:19:05,877 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:19:05,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:19:05,877 INFO L85 PathProgramCache]: Analyzing trace with hash 692231812, now seen corresponding path program 1 times [2025-02-06 14:19:05,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:19:05,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994548344] [2025-02-06 14:19:05,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:19:05,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:19:05,884 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-02-06 14:19:05,887 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-02-06 14:19:05,887 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:19:05,887 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:19:05,933 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-06 14:19:05,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:19:05,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994548344] [2025-02-06 14:19:05,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994548344] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:19:05,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:19:05,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:19:05,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242682556] [2025-02-06 14:19:05,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:19:05,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:19:05,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:19:05,934 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:19:05,934 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:19:05,935 INFO L87 Difference]: Start difference. First operand 69 states and 71 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:19:06,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:19:06,038 INFO L93 Difference]: Finished difference Result 69 states and 71 transitions. [2025-02-06 14:19:06,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:19:06,038 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 71 [2025-02-06 14:19:06,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:19:06,040 INFO L225 Difference]: With dead ends: 69 [2025-02-06 14:19:06,041 INFO L226 Difference]: Without dead ends: 68 [2025-02-06 14:19:06,041 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:19:06,041 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 0 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:19:06,041 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:19:06,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2025-02-06 14:19:06,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2025-02-06 14:19:06,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 59 states have (on average 1.0169491525423728) internal successors, (60), 60 states have internal predecessors, (60), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:19:06,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 70 transitions. [2025-02-06 14:19:06,045 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 70 transitions. Word has length 71 [2025-02-06 14:19:06,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:19:06,045 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 70 transitions. [2025-02-06 14:19:06,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:19:06,046 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 70 transitions. [2025-02-06 14:19:06,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-02-06 14:19:06,046 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:19:06,046 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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, 1] [2025-02-06 14:19:06,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2025-02-06 14:19:06,046 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:19:06,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:19:06,047 INFO L85 PathProgramCache]: Analyzing trace with hash -2032907010, now seen corresponding path program 1 times [2025-02-06 14:19:06,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:19:06,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652588157] [2025-02-06 14:19:06,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:19:06,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:19:06,050 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-02-06 14:19:06,059 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-02-06 14:19:06,060 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:19:06,060 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:19:06,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1632275650] [2025-02-06 14:19:06,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:19:06,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:19:06,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:19:06,064 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:19:06,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-02-06 14:19:06,086 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-02-06 14:19:06,102 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-02-06 14:19:06,102 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:19:06,102 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:19:06,107 INFO L256 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-02-06 14:19:06,108 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:19:06,525 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-02-06 14:19:06,525 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:19:22,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:19:22,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652588157] [2025-02-06 14:19:22,453 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:19:22,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1632275650] [2025-02-06 14:19:22,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1632275650] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:19:22,453 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:19:22,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2025-02-06 14:19:22,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391419710] [2025-02-06 14:19:22,453 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:19:22,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-06 14:19:22,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:19:22,454 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-06 14:19:22,454 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=403, Unknown=2, NotChecked=0, Total=506 [2025-02-06 14:19:22,454 INFO L87 Difference]: Start difference. First operand 68 states and 70 transitions. Second operand has 14 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 13 states have internal predecessors, (61), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-02-06 14:19:22,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:19:22,791 INFO L93 Difference]: Finished difference Result 68 states and 70 transitions. [2025-02-06 14:19:22,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-06 14:19:22,791 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 13 states have internal predecessors, (61), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 77 [2025-02-06 14:19:22,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:19:22,792 INFO L225 Difference]: With dead ends: 68 [2025-02-06 14:19:22,792 INFO L226 Difference]: Without dead ends: 67 [2025-02-06 14:19:22,792 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 114 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 15.1s TimeCoverageRelationStatistics Valid=215, Invalid=713, Unknown=2, NotChecked=0, Total=930 [2025-02-06 14:19:22,793 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 51 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:19:22,793 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 169 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:19:22,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2025-02-06 14:19:22,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2025-02-06 14:19:22,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 59 states have (on average 1.0) internal successors, (59), 59 states have internal predecessors, (59), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:19:22,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 69 transitions. [2025-02-06 14:19:22,797 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 69 transitions. Word has length 77 [2025-02-06 14:19:22,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:19:22,797 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 69 transitions. [2025-02-06 14:19:22,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 13 states have internal predecessors, (61), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-02-06 14:19:22,797 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 69 transitions. [2025-02-06 14:19:22,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2025-02-06 14:19:22,798 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:19:22,798 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1] [2025-02-06 14:19:22,804 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2025-02-06 14:19:23,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2025-02-06 14:19:23,002 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:19:23,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:19:23,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1404392186, now seen corresponding path program 1 times [2025-02-06 14:19:23,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:19:23,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440895938] [2025-02-06 14:19:23,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:19:23,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:19:23,006 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-02-06 14:19:23,014 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-02-06 14:19:23,014 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:19:23,014 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:19:23,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [511228383] [2025-02-06 14:19:23,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:19:23,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:19:23,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:19:23,019 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:19:23,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-02-06 14:19:23,045 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-02-06 14:19:23,060 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-02-06 14:19:23,060 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:19:23,060 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:19:23,061 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 38 conjuncts are in the unsatisfiable core [2025-02-06 14:19:23,063 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:19:23,781 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 3 proven. 32 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-02-06 14:19:23,781 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:19:32,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:19:32,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440895938] [2025-02-06 14:19:32,947 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:19:32,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [511228383] [2025-02-06 14:19:32,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [511228383] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:19:32,947 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:19:32,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2025-02-06 14:19:32,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339752722] [2025-02-06 14:19:32,947 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:19:32,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-02-06 14:19:32,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:19:32,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-02-06 14:19:32,948 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=596, Unknown=0, NotChecked=0, Total=756 [2025-02-06 14:19:32,948 INFO L87 Difference]: Start difference. First operand 67 states and 69 transitions. Second operand has 17 states, 16 states have (on average 4.0625) internal successors, (65), 16 states have internal predecessors, (65), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:19:33,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:19:33,365 INFO L93 Difference]: Finished difference Result 67 states and 69 transitions. [2025-02-06 14:19:33,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-02-06 14:19:33,365 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0625) internal successors, (65), 16 states have internal predecessors, (65), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Word has length 78 [2025-02-06 14:19:33,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:19:33,366 INFO L225 Difference]: With dead ends: 67 [2025-02-06 14:19:33,366 INFO L226 Difference]: Without dead ends: 0 [2025-02-06 14:19:33,366 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 116 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=210, Invalid=782, Unknown=0, NotChecked=0, Total=992 [2025-02-06 14:19:33,366 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 28 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:19:33,367 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 135 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 653 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:19:33,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-06 14:19:33,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-06 14:19:33,367 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) [2025-02-06 14:19:33,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-06 14:19:33,367 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2025-02-06 14:19:33,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:19:33,367 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 14:19:33,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0625) internal successors, (65), 16 states have internal predecessors, (65), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:19:33,367 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-06 14:19:33,368 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-06 14:19:33,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 42 remaining) [2025-02-06 14:19:33,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 42 remaining) [2025-02-06 14:19:33,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 42 remaining) [2025-02-06 14:19:33,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 42 remaining) [2025-02-06 14:19:33,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 42 remaining) [2025-02-06 14:19:33,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 42 remaining) [2025-02-06 14:19:33,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 42 remaining) [2025-02-06 14:19:33,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 42 remaining) [2025-02-06 14:19:33,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 42 remaining) [2025-02-06 14:19:33,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 42 remaining) [2025-02-06 14:19:33,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 42 remaining) [2025-02-06 14:19:33,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 42 remaining) [2025-02-06 14:19:33,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 42 remaining) [2025-02-06 14:19:33,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 42 remaining) [2025-02-06 14:19:33,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 42 remaining) [2025-02-06 14:19:33,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 42 remaining) [2025-02-06 14:19:33,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 42 remaining) [2025-02-06 14:19:33,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 42 remaining) [2025-02-06 14:19:33,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 42 remaining) [2025-02-06 14:19:33,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 42 remaining) [2025-02-06 14:19:33,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 42 remaining) [2025-02-06 14:19:33,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 42 remaining) [2025-02-06 14:19:33,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 42 remaining) [2025-02-06 14:19:33,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 42 remaining) [2025-02-06 14:19:33,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 42 remaining) [2025-02-06 14:19:33,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 42 remaining) [2025-02-06 14:19:33,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 42 remaining) [2025-02-06 14:19:33,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 42 remaining) [2025-02-06 14:19:33,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 42 remaining) [2025-02-06 14:19:33,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 42 remaining) [2025-02-06 14:19:33,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 42 remaining) [2025-02-06 14:19:33,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 42 remaining) [2025-02-06 14:19:33,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 42 remaining) [2025-02-06 14:19:33,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 42 remaining) [2025-02-06 14:19:33,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 42 remaining) [2025-02-06 14:19:33,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 42 remaining) [2025-02-06 14:19:33,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 42 remaining) [2025-02-06 14:19:33,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 42 remaining) [2025-02-06 14:19:33,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 42 remaining) [2025-02-06 14:19:33,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 42 remaining) [2025-02-06 14:19:33,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 42 remaining) [2025-02-06 14:19:33,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 42 remaining) [2025-02-06 14:19:33,379 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2025-02-06 14:19:33,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,30 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:19:33,575 INFO L422 BasicCegarLoop]: Path program 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] [2025-02-06 14:19:33,576 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-06 14:19:39,814 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 14:19:39,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 02:19:39 BoogieIcfgContainer [2025-02-06 14:19:39,831 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 14:19:39,831 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 14:19:39,832 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 14:19:39,832 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 14:19:39,832 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:18:06" (3/4) ... [2025-02-06 14:19:39,833 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-06 14:19:39,837 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2025-02-06 14:19:39,837 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2025-02-06 14:19:39,840 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2025-02-06 14:19:39,842 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-02-06 14:19:39,842 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-06 14:19:39,843 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-06 14:19:39,902 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 14:19:39,902 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-06 14:19:39,902 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 14:19:39,903 INFO L158 Benchmark]: Toolchain (without parser) took 94413.61ms. Allocated memory was 142.6MB in the beginning and 755.0MB in the end (delta: 612.4MB). Free memory was 106.7MB in the beginning and 574.4MB in the end (delta: -467.7MB). Peak memory consumption was 144.2MB. Max. memory is 16.1GB. [2025-02-06 14:19:39,903 INFO L158 Benchmark]: CDTParser took 1.14ms. Allocated memory is still 201.3MB. Free memory is still 125.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 14:19:39,903 INFO L158 Benchmark]: CACSL2BoogieTranslator took 148.05ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 95.1MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 14:19:39,903 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.80ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 94.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 14:19:39,903 INFO L158 Benchmark]: Boogie Preprocessor took 17.36ms. Allocated memory is still 142.6MB. Free memory was 94.0MB in the beginning and 92.6MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 14:19:39,904 INFO L158 Benchmark]: IcfgBuilder took 326.09ms. Allocated memory is still 142.6MB. Free memory was 92.6MB in the beginning and 72.9MB in the end (delta: 19.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 14:19:39,904 INFO L158 Benchmark]: TraceAbstraction took 93827.91ms. Allocated memory was 142.6MB in the beginning and 755.0MB in the end (delta: 612.4MB). Free memory was 71.9MB in the beginning and 582.5MB in the end (delta: -510.6MB). Peak memory consumption was 414.4MB. Max. memory is 16.1GB. [2025-02-06 14:19:39,904 INFO L158 Benchmark]: Witness Printer took 70.68ms. Allocated memory is still 755.0MB. Free memory was 582.5MB in the beginning and 574.4MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 14:19:39,905 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.14ms. Allocated memory is still 201.3MB. Free memory is still 125.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 148.05ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 95.1MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.80ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 94.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.36ms. Allocated memory is still 142.6MB. Free memory was 94.0MB in the beginning and 92.6MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 326.09ms. Allocated memory is still 142.6MB. Free memory was 92.6MB in the beginning and 72.9MB in the end (delta: 19.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 93827.91ms. Allocated memory was 142.6MB in the beginning and 755.0MB in the end (delta: 612.4MB). Free memory was 71.9MB in the beginning and 582.5MB in the end (delta: -510.6MB). Peak memory consumption was 414.4MB. Max. memory is 16.1GB. * Witness Printer took 70.68ms. Allocated memory is still 755.0MB. Free memory was 582.5MB in the beginning and 574.4MB in the end (delta: 8.1MB). 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: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: 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: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 113 locations, 42 error locations. Started 1 CEGAR loops. OverallTime: 87.5s, OverallIterations: 41, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6691 SdHoareTripleChecker+Valid, 8.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6641 mSDsluCounter, 7553 SdHoareTripleChecker+Invalid, 7.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5130 mSDsCounter, 350 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11663 IncrementalHoareTripleChecker+Invalid, 12013 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 350 mSolverCounterUnsat, 2423 mSDtfsCounter, 11663 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2166 GetRequests, 1663 SyntacticMatches, 7 SemanticMatches, 496 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1520 ImplicationChecksByTransitivity, 48.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=306occurred in iteration=17, InterpolantAutomatonStates: 339, 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, 41 MinimizatonAttempts, 705 StatesRemovedByMinimization, 29 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 68.2s InterpolantComputationTime, 3274 NumberOfCodeBlocks, 3274 NumberOfCodeBlocksAsserted, 70 NumberOfCheckSat, 2303 ConstructedInterpolants, 0 QuantifiedInterpolants, 21234 SizeOfPredicates, 57 NumberOfNonLiveVariables, 2899 ConjunctsInSsa, 505 ConjunctsInUnsatCore, 49 InterpolantComputations, 23 PerfectInterpolantSequences, 636/898 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 42 specifications checked. All of them hold - InvariantResult [Line: 34]: Location Invariant Derived location invariant: ((((((((((((((((0 <= x) && (p == 1)) && (y <= 2)) && (1 <= y)) && (a <= 1)) && (b <= 2)) && (1 <= b)) && (b == q)) && (x <= 2)) && (1 <= ((((__int128) a + 1) >= 0) ? (((__int128) a + 1) % 2) : ((((__int128) a + 1) % 2) + 2)))) && (0 <= ((__int128) a + 1))) || (((((((((p == 4) && (b == 1)) && (((x >= 0) ? (x / 2) : ((x / 2) - 1)) == a)) && (q == 0)) && (1 == ((y >= 0) ? (y / 2) : ((y / 2) - 1)))) && (((y >= 0) ? (y % 2) : ((y % 2) + 2)) <= 0)) && (a != 0)) && (0 <= a)) && (x <= 2))) || (((((((((((a == q) && (0 <= x)) && (p == 1)) && (y <= 2)) && (1 <= y)) && (b <= 1)) && (a <= 2)) && ((1 <= ((((__int128) b + 1) >= 0) ? (((__int128) b + 1) % 2) : ((((__int128) b + 1) % 2) + 2))) || ((a <= 1) && (1 <= ((((__int128) a + 1) >= 0) ? (((__int128) a + 1) % 2) : ((((__int128) a + 1) % 2) + 2)))))) && (0 <= ((__int128) b + 1))) && (0 <= a)) && (x <= 2))) || ((((((((p == 4) && (0 <= x)) && (y <= 2)) && (1 <= y)) && (b == 0)) && (q == 4)) && (a == 0)) && (x <= 2))) || (((((((((((0 <= b) && (0 <= x)) && (p == 1)) && (y <= 2)) && (1 <= y)) && (b <= 1)) && (a <= 1)) && ((((__int128) a + b) + 1) == q)) && (x <= 2)) && (((((__int128) a + 1) >= 0) ? (((__int128) a + 1) % 2) : ((((__int128) a + 1) % 2) + 2)) != 0)) && (0 <= ((__int128) a + 1)))) || ((((((((p == 1) && (b == y)) && (b <= 2)) && (1 <= b)) && (q == 0)) && (0 <= a)) && (a == x)) && (x <= 2))) RESULT: Ultimate proved your program to be correct! [2025-02-06 14:19:39,950 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE